Abstract: Apparatus for variable width turn-up procedures on a paper processing machine. The apparatus may include a turn-up tape dispenser fixedly attached to a proximal end of a transverse track and movable with the transverse track along the first linear bearing. A movable turn-up tape exit point may be mounted to a second linear bearing. The second linear bearing may be independent of the transverse track or attached to the transverse track. The apparatus may include a brake operable to secure the transverse track in a position relative to the surface of the first spool. Furthermore, the apparatus may include a movable track curve that allows a placement of the track curve to be moved.

Abstract: Method and parameterization unit for parameterization of a tractive force controller of a controlled roller of a web-processing machine, the tractive force controller controlling a speed of the controlled roller in order to transport a material on the web-processing machine from the controlled roller to a further roller or from a further roller to the controlled roller at a line speed and while being subjected to the tractive force. The method includes, during a standstill test at a line speed of zero, increasing the tractive force to an identification tractive force, preferably 90% of a predetermined standstill tractive force operating point, to determine standstill system parameters of the tractive force system, to calculate standstill controller parameters of the tractive force controller from the standstill system parameters of the tractive force system, preferably by a frequency characteristic method, and to parameterize the tractive force controller using the standstill controller parameters.

Abstract: An example disclosed output hopper includes a cavity to receive media units from an output of a media processing device, the cavity to cause the media units to form a stack in a first direction; a first door pivotably movable between a closed position and an open position, the first door to retain the media units in the cavity when in the closed position, wherein the first door is configured to pivot on a first axis substantially parallel to the first direction; wherein: the first door includes a first cutout at a first top edge of the first door; and the first cutout allow the media units to spill over the first and second top edges when a capacity of the cavity is exceeded.

Abstract: A tape dispenser providing a dispensing assembly adapted to accommodate various widths of tape, wherein the dispensing assembly is operatively associated with a handle assembly to enable self-alignment of the dispensing tape and the dispensing assembly, and wherein a cutting assembly is operatively associated with the dispensing assembly for selectively cutting the dispensing tape.

Abstract: A sheet separation device separates a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at a bonding portion of the two-ply sheet. The sheet separation device includes a winding roller and a gripper. The winding roller rotates and winds the two-ply sheet to separate the two-ply sheet. The gripper is disposed in the winding roller and configured to grip a gripped portion of the two-ply sheet at one end of the two-ply sheet without abutting a tip of the gripped portion at the one end of the two-ply sheet on a member.

Abstract: A sheet conveying device includes a separation member, a second conveyance member, a third conveyance member, and a first drive control portion. The separation member separates a sheet in contact with a first conveyance member from another at a first position where the first conveyance member comes into contact with the sheet. The second and third conveyance members are respectively downstream of the first and second positions. The first drive control portion stops driving the first conveyance member (1) after the leading edge of the sheet reaches the second position and before the trailing edge of the sheet passes through the first position when the sheet length is not exceeding a specific distance based on a distance between the first and third positions and (2) after the leading edge reaches the third position and before the trailing edge passes through the first position when the length exceeds the specific distance.

Abstract: Apparatus and methods for clearing obstructions from a medical tube are disclosed. In an exemplary embodiment, a spool drive system is disclosed for actuating a guide wire within a medical tube. The spool drive system can be a hand held, disposable device having a spool housing with a spool therein for alternately advancing and withdrawing a guide wire through an inlet of the spool housing. A track can be spaced from and extend about a perimeter of the spool to direct the guide wire onto or off of the spool as the spool is rotated. Other embodiments and devices for actuating the guide wire, and methods therefor, also are disclosed.

Abstract: A medium conveying apparatus includes a plurality of feed rollers, each feed roller rotating independently at a respective speed to feed a medium, a first sensor located on a downstream side of the plurality of feed rollers in a medium conveying direction and also in a central part in a direction perpendicular to the medium conveying direction, to detect the medium, a second sensor and a third sensor located on both sides of the first sensor in the direction perpendicular to the medium conveying direction, to respectively detect the medium, and a processor to change the speed of one of the plurality of feed rollers at least until the first sensor detects the medium when any of the second sensor or the third sensor detects the medium and the first sensor does not detect the medium within a predetermined time.

Abstract: The present invention is to provide a configuration facilitating removal of a sheet stopped on a conveying belt. Regulating guides are disposed on both sides of a conveying belt in a sheet width direction Y and can guide both end edges in the sheet width direction of a sheet S conveyed while being nipped by the conveying belt and the balls. A take-out port is provided on the side closer to the regulating guide in the sheet width direction Y, through which a sheet stopped on the conveying belt is taken out. A guide moving part moves the regulating guides. When a sheet is stopped on the conveying belt, the guide moving part moves the first and second regulating guides such that the regulating guide is retracted to a position at which a support surface does not support a first sheet end edge.

Abstract: The invention relates to a method for allocating elevator calls in an elevator system (10) comprising at least one elevator (12a-12c), which elevator system (10) is controlled by an elevator control (16) comprising a destination call allocation control, wherein passenger IDs are inputted into at least one I/O-device (20) of the elevator system (10), whereafter based on the passenger ID a destination call is issued comprising the floor of the I/O-device (20) as departure floor and a preset or inputted destination floor as destination floor of the elevator call. According to the invention when a new destination call is issued, it is checked whether or not a destination call is still pending under the same passenger ID, and if a destination call of said person is still pending, either the new call or the pending call is cancelled.

Abstract: A holographic external call device for an elevator, which includes a device shell. One side of the device shell is provided with a sensor mounting hole, and a gesture sensor is installed in the sensor mounting hole. An optical module is installed, one side of the optical module is provided with two screen installation grooves, the two screen installation grooves are both installed with a screen, and the bottom side of the optical module is provided with a main board. The screen produces an image after power on, which affects the light reconstruction in the optical module to generate an image in the air, and then the finger clicks on the image in the air. The gesture sensor will sense the gesture and send the command for the main board, addressing cross-contact infection problem caused by using the elevator outbound button to call the elevator without actual physical contact.

Abstract: A drive system for an elevator installation includes a drive and a drive suspension for fastening the drive to a support element of the elevator installation. The drive suspension includes a rotary joint for tiltably mounting the drive on the support element and an adjustment device for setting a tilt of the drive about the rotary joint. The support element can be a guide rail wherein the drive system is arranged in an upper end region of the elevator installation.

Abstract: An embodiment discloses a sterilization module comprising: a frame including a support part that includes one surface and one end, and a fastening part connected to the one end; a first circuit board disposed in the fastening part; and an ultraviolet irradiation device disposed on the first circuit board, wherein the support part comprises: the other end facing the one end; and a side end facing the other end. The frame comprises: a protrusion connected to the side end of the support part; and a guide part connected to the other end of the support part. The fastening part and the guide part extend in a first direction perpendicular to one surface of the support part, and the protrusion extends in a direction opposite to the first direction. The guide part comprises: a first guide part and a second guide part that are spaced apart from each other in a second direction parallel to the one end.

Abstract: A car safety supervising unit (SSU) for an elevator having an elevator car displaceable within an elevator shaft includes at least one sensor for sensing car-related parameters and outputting corresponding car-related signals, an I/O interface for inputting input signals into the car SSU and for outputting output signals to external devices and a signal processing unit for processing at least one of the car-related signals and the input signals and for generating the output signals. In an installation operation mode, the signal processing unit processes exclusively the car-related signals and generates the output signals based exclusively on the car-related signals whereby the car SSU accomplishes basic safety functions for safely operating the elevator with a limited number of available sensors. In a normal operation mode, the signal processing unit processes both the car-related signals and the input signals and generates the output signals based on both.

Abstract: A method and a device monitor operating parameters in a passenger transport installation, such as an elevator or an escalator, having a plurality of sensors detecting different operating parameters and a signal processing device. The method steps include: repeatedly detecting a first operating parameter with a first of the sensors; triggering a second of the sensors as soon as the first operating parameter assumes a predetermined trigger characteristic; detecting a second operating parameter with the second sensor and transmitting a signal reproducing the detected second operating parameter to the signal processing device in response to the triggering; and processing the signal in the signal processing device or an external monitoring device for monitoring the second operating parameter. The method and device reduce a data processing amount and/or a data transmission amount, reduce a need for wiring and achieve complex sensor functions with the simple sensors that cooperate with one another.

Abstract: A method and device for safety braking an elevator having an upright guide rail wherein the device includes a housing having braking elements on both sides of and being movable along the guide rail, a safety restraint on both sides between the housing and the braking elements, and a clampable and lockable actuating device that unlocks and unclamps in response to a triggering event and brings the braking elements into braking engagement with the guide rail. The actuating device, when unclamped, develops a feed force and movement transverse to the guide rail longitudinal axis engaging the braking elements with the guide rail from a laterally distanced initial position, wherein the braking elements are entrained by frictional contact on the guide rail and enter the safety restraint, and wherein the actuating device is moved back into the initial position, clamped and locked by the braking elements located in the safety restraint.

Abstract: A clamping device and an elevator system. The clamping device includes: a base having a limiting space and an opening communicating with the limiting space; and a clamping arm assembly, which is arranged at the opening of the base and forms a gap with the opening in a stationary state, the gap being smaller than a size of a clamped part; in which the clamp arm assembly has a first damping force that allows the clamped part to enter the limiting space via the opening, and has a second damping force that allows the clamped part to exit the limiting space via the opening; and the second damping force is greater than the first damping force.

Abstract: A health monitoring system for an electrically-conductive tension member of an elevator system belt includes a transmitter including a transmitter coil configured for placement at the tension member, a receiver configured to be positioned at the tension member, and a controller operably connected to the transmitter and the receiver. The controller is configured to direct an alternating current through the transmitter coil resulting in the generation of a magnetic field and eddy currents at the transmitter coil, evaluate fluctuations in the magnetic field detected at the receiver. The fluctuations are indicative of wear or damage to the tension member.

Abstract: A lifting lug for a heating, ventilation, and/or air conditioning (HVAC) unit includes a first flange configured to be secured against a surface of the HVAC unit, a second flange configured to be secured against the surface of the HVAC unit, and an intermediate portion extending between the first flange and the second flange. The intermediate portion is offset from the first flange and the second flange to form a space between the intermediate portion and the surface of the HVAC unit in an installed configuration of the lifting lug, and the intermediate portion includes an edge and a notch formed in the edge and through a thickness of the intermediate portion.

Abstract: A pipelayer machine includes a propulsion system, a ranging, and a controller in communication with the propulsion system and the ranging system. The controller is configured to receive a predetermined distance that the pipelayer machine is to maintain between the pipelayer machine and an adjacent pipelayer machine, determine, via the ranging system, a first distance between the pipelayer machine and the adjacent pipelayer machine, and determine that a difference between the first distance and the predetermined distance is outside of a predetermined tolerance range. The controller is further configured to modify a speed of the propulsion system based at least in part on determining that the difference is outside of the predetermined tolerance range, wherein modifying the speed of the propulsion system causes acceleration or deceleration of the pipelayer machine.

Abstract: Provided is a crane including a boom. The crane hoists a suspended load through a hook from a tip of the boom, and position adjustment control for causing a position of the hook and a position of the tip of the boom to be close to each other as viewed in a vertical direction is performed until the suspended load is separated from a ground surface from a start of a hoisting motion.

Abstract: A tower crane for assembling a wind turbine includes a boom assembly including a boom and a hoisting block coupled to the boom, an extendable tower assembly including a plurality of tower sections, and a transport assembly including a central support frame coupled to the tower assembly, a self-propelled transporter configured to transport the tower crane, and a diagonal brace extending between the central support frame and the transporter, wherein the diagonal brace includes a linear actuator configured to selectably extend and retract the diagonal brace.

Abstract: A vehicle crane having a luffable main jib and an additional jib system arranged on a free end section of the main jib and comprising a first additional jib part and a second additional jib part. To further reduce the weight of the additional jib system and the vehicle crane fitted therewith, and to permit an overall more economical mode of production, the first additional jib part has a rectangular cross-section having four longitudinal chords connected together via transverse struts or/and diagonal struts and the second additional jib part has a triangular cross-section having three longitudinal chords connected together via transverse struts, wherein the two additional jib parts are coupled, or can be coupled, together via a cross-section change adapter.

Abstract: A mobile lift crane includes a carbody, movable ground engaging members, a rotating bed, and a boom. A first structure is pivotally coupled to the rotating bed. A second structure is pivotally coupled to the first structure at a first end of the second structure. A moveable counterweight unit is coupled to a second end of the second structure. A linear actuation device moves the moveable counterweight unit toward and away from the rotating bed during a pick, move, and set operation by retracting and extending the linear actuation device, respectively. The moveable counterweight unit is never supported by the ground other than indirectly by the moveable ground engaging members. The linear actuation device moves the movable counterweight unit a greater horizontal distance from the rotating bed than a distance of a stroke of the linear actuation device that causes the moveable counterweight unit to move.

Abstract: A grapple-heel rack having a frame, a grapple, and first and second angle-enabler catches. A grapple attachment (which may be or may include a universal joint) may be used to support the grapple from a nose of the frame. A mechanical grapple return system may be used to return the grapple from anon-neutral position to a neutral position. At least one method for using the grapple-heel rack.

Abstract: A non-limiting exemplary embodiment of a winch includes a bearing housing, a one way bearing having an outer ring attached to the bearing housing, a bearing hub having a cylindrical section attached to an inner ring of the one way bearing, a friction disk having a first surface adjacent a disc of the bearing hub, a crank spool having a first disk adjacent a second surface of the friction disk, a crank housing configured for rotatably retaining the crank spool, a crank shaft extending through the bearing hub, through the friction disk, and into the crank spool, wherein a first end of the crank shaft is coupled to the crank spool, and a crank mechanism coupled to a second end of the crank shaft.

Abstract: A lift device includes a lift assembly, a platform, and a controller. The lift assembly is configured to be driven to increase or decrease in length by extension and retraction of one or more actuators. The platform is coupled at an upper end of the lift assembly. The controller is configured to receive a value of a pitch angle and a roll angle of the lift device from an orientation sensor. The controller is further configured to determine a maximum allowable elevation of the platform based on at least one of the value of the roll angle and the value of the pitch angle of the lift device. The controller is further configured to limit operation of the lift assembly based on the maximum allowable elevation of the platform.

Abstract: An improved vehicle jack includes a motorized lift plate that either raises or lowers a vehicle when the motor is operated in one of two directions. The jack also includes a lug-nut removal tool formed of a telescoping, pivotal shaft having an adjustable head at an upper end. A plurality of motorized, magnetized sockets are positioned on the head for tightening and loosening lug nuts. Accordingly, the lift plate is activated to raise the vehicle, and the sockets are properly positioned to automatically remove, retain, and reinstall the wheel's lug nuts.

Abstract: A capping machine for caps made of compressible material includes a compression box and compression units, each being housed in a cavity in the compression box and defining a cap compression seat. A bottle centering device is associated with each compression unit and is mechanically associated with the compression box at a housing seat on a lower face. The capping machine includes a fastener for removably retaining each bottle centering device in its respective housing seat. The fastener includes for each bottle centering device a movable engagement element movably associated with the lower face moveable between: a locking position, wherein the movable engagement element interferes with the respective bottle centering device creating an undercut to retain the bottle centering device inside the housing seat; and an unlocking position, wherein the movable engagement element does not interfere, allowing the bottle centering device to freely engage or disengage the housing seat.

Abstract: A filling valve that has a high temperature due to an SIP is cooled in a short time. An aseptic water is blasted to an outer surface of the filling valve.

Abstract: An apparatus for communicating the status of a consumable having a tubular housing with a channel, wherein the channel includes a proximal section and a distal section separated by an internal flange, a power module assembly including a coaster coupled on the proximal section of the tubular housing, a top cover, and a bottom cover coupled to the distal section of the tubular housing, a sensor coupled to the coaster for determining a level of beverage in a beverage container, and electronic circuitry for controlling a status indicator, wherein the sensor is in electrical communication with the electronic circuitry, wherein the status indicator is operably coupled to the sensor; and wherein the status indicator is covered by a lampshade.

Abstract: Kegs of beer may be connected in parallel alongside one or more valves that connect to a flushing fluid supply. When a beer is selected, the associated beer valve opens so that beer can be dispensed. After a pour is completed, the system automatically flushes the beverage tubing line clean by opening a flushing fluid valve, allowing flushing fluid to cleanse the line. This flushing of the line enables the system to dispense a beer from a recently flushed line for each pour, and/or dispense many different beers because leftovers of a beer from an earlier pour do not contaminate the line for later pours. The system is also configured to measure the time poured based on information from a sensor in a dispenser (e.g., a tap handle). The time poured and a measured flow rate are used to calculate the total price to charge a customer for the beer.

Abstract: A gravity flow liquid disinfectant dispensing reservoir comprised of a tapered base and a neck portion that extends centrally from the reservoir. An aperture located on the bottom of the reservoir facilitates the dispensing of liquid (i.e., disinfectant) from the reservoir into a holding tank. In another embodiment, a closed system for dispensing a liquid disinfectant into a tank containing liquid (effluent) and controlled via vacuum. The gravity flow device introduces disinfectant to the tank as the water level rises, giving the ultimate amount of contact time for treatment of effluent. Utilizing gravity and vacuum controlled dispensing of disinfectant dispenses disinfectant continuously and automatically in real time and provides for maximum contact time for minimal pathogen survival.

Abstract: Disclosed is a water dispenser including a container with an out-let channel at the bottom thereof and a manually operated valve arrangement with a valve member resiliently pre-stressed towards a closing state.

Abstract: Preloading a containment vessel with Low Vapor Pressure (LVP) liquid; partially evacuating the containment vessel to generate a vacuum in a headspace above the LVP liquid; and relieving material from a process vessel into the containment vessel during a process relief event in the process vessel. The containment vessel pressure may be equalized with ambient conditions prior to preloading the LVP liquid. The containment vessel size and quantity of LVP liquid may be determined to absorb the energy and mass of relieving fluids from the maximum anticipated relief scenario, permitting the gases to condense to liquid form to be recovered in liquid state instead of atmospherically venting or combusting the gases. The containment vessel headspace may be partially occupied with High Vapor Pressure (HVP) liquid comprising C5-C10 hydrocarbons configured to flash during the evacuation step to create and occupy a headspace, providing additional head space volume and heat rejection capacity.

Abstract: A package structure includes a first substrate and a first device disposed on the first substrate. The first device includes at least one anchor structure, a film structure anchored by the anchor structure and an actuator configured to control the film structure to form a first vent temporarily. The film structure partitions a space into a first volume to be connected to an ear canal and a second volume connected to an ambient of a wearable sound device. The ear canal and the ambient are connected via the first vent when the first vent is opened. The first vent is opened by controlling a first membrane portion and a second membrane portion of the film structure, such that a difference between a first displacement of the first membrane portion and a second displacement of the second membrane portion is larger than a thickness of the film structure.

Abstract: Provided are an electrical interconnection structure, an electronic apparatus and manufacturing methods therefor, which can provide a reliable electrical interconnection structure between the MEMS apparatus and an external circuit while sealing and encapsulating the MEMS device. The electrical interconnection structure includes: a bonding metal; a first dielectric layer and a second dielectric layer. The first dielectric layer includes a first through hole penetrating the first dielectric layer and exposing the bonding metal. The first through hole is filled with a first conductive material electrically connected to the bonding metal. The second dielectric layer includes a second through hole. An orthographic projection of second conductive material in the second through hole covers an orthographic projection of first conductive material in the first through hole onto the plane of the base.

Abstract: An example of a cavity structure comprises a cavity substrate comprising a substrate surface, a cavity extending into the cavity substrate, the cavity having a cavity bottom and cavity walls, and a cap disposed on a side of the cavity opposite the cavity bottom. The cavity substrate, the cap, and the one or more cavity walls form a cavity enclosing a volume. A component can be disposed in the cavity and can extend above the substrate surface. The component can be a piezoelectric or a MEMS device. The cap can have a tophat configuration. The cavity structure can be micro-transfer printed from a source wafer to a destination substrate.

Abstract: A sensor device includes a first and second Micro-Electro-Mechanical (MEM) structures. The first MEM structure includes a first heating element on a first layer of the first MEM structure. The first heating element includes an input adapted to receive an input signal. The first MEM structure also includes a first temperature sensing element on a second layer of the first MEM structure. The second MEM structure includes a second heating element on a first layer of the second MEM structure and a second temperature sensing element on a second layer of the second MEM structure. An output circuit has a first input coupled to the first temperature sensing element and a second input coupled to the second temperature sensing element.

Abstract: Methods and systems for high-speed production of nanoparticles with very high product yields are described. Systems utilize concentric micro-scale capillaries arranged to define nanoparticle formation regions that lie along predetermined length(s) of the capillaries. Flow through the formation regions can be laminar during a formation protocol. The system can include on-line analytical tools for real time characterization of products or intermediates. Systems include an additive manufacturing-type deposition at the terminus of the formation section. The deposition area includes a print head and a print bed and provides for random or patterned deposition of nanoparticles. The print head and/or the print bed can be capable of motion in one or more degrees of freedom relative to one another.

Abstract: The reaction of sodium hypochlorite with sodium bromide is slow, and commonly only part of the bromide is converted to hypobromite. Methods to accelerate the reaction by adding a regulated amount of acid to a solution comprising bleach and bromide are provided, whereby the yield of hypobromite can be increased. The amount of acid added can be predetermined based on the content of a base in the bleach, and acid can be added to neutralize the base. The amount of acid added can be based on a measured parameter of the reaction that is indicative of reaction kinetics. For example, the amount of acid can be actively controlled by measuring pH, absorbance of visible or near Ultraviolet light, or temperature of the reacting solution and adjusting acid.

Abstract: Various systems, devices, NO2 absorbents, NO2 scavengers and NO2 recuperator for generating nitric oxide are disclosed herein. According to one embodiment, an apparatus for converting nitrogen dioxide to nitric oxide can include a receptacle including an inlet, an outlet, a surface-active material coated with an aqueous solution of ascorbic acid and an absorbent wherein the inlet is configured to receive a gas flow and fluidly communicate the gas flow to the outlet through the surface-active material and the absorbent such that nitrogen dioxide in the gas flow is converted to nitric oxide.

Abstract: The present invention relates to a permanently polarized hydroxyapatite and a composition or material comprising thereof. The present invention further relates to a process for obtaining a permanently polarized hydroxyapatite and to different uses of the permanently polarized hydroxyapatite or the composition or material comprising thereof.

Abstract: Flow through reactors and related methods for use with slurries including water reactive particles are generally described.

Abstract: Disclosed here is a method of fabricating a covalently reinforced carbon nanotube (CNT) assembly. The method includes producing a CNT assembly by pulling entangled CNTs from a CNT array fabricated on a substrate, the CNT assembly including a plurality of CNTs that are aligned; and creating covalent bonding between the CNTs of the CNT assembly by applying a high energy ion irradiation to the CNT assembly.

Abstract: A method for manufacturing complex Si—C cathode base units includes the steps of: pulverizing a graphene block; mixing the plurality of graphene pieces with ethanol and first high molecular material; dispersing and pulverizing powders of silicon, and silicon oxide (SiOx) into a plurality of complex monomers; and then they being mixed with high molecular graphene recipe gel solution; spraying and drying Si—C solution to form with first order Si—C nanoparticles; a plurality of buffer spaces being formed in the plurality of graphene pieces; mixing first order SIC nanoparticles, second high molecular material, and a small amount of nanometer carbon tubes and then calcined them; the first order SiC nanoparticles, the second high molecular material and the nanometer carbon tubes being shaped or being sprayed and dried; and finally, calcining them to form as third order SIC nanoparticles which is the complex Si—C based unit.

Abstract: A multilayer body includes a base portion and a graphene film. In an ion mass distribution versus depth of the multilayer body determined by time-of-flight secondary ion mass spectrometry, detection intensities of C6 ions have a maximum value at a depth of greater than 0 nm and 2.5 nm or less from an exposed surface. Detection intensities of C3 ions have a maximum value at a depth of greater than 0 nm and 3.0 nm or less from the exposed surface. Detection intensities of SiC4 ions have a maximum value at a depth of 0.5 nm or greater and 5.0 nm or less from the exposed surface. Detection intensities of SiC ions have a maximum value at a depth of 0.5 nm or greater and 10.0 nm or less from the exposed surface. Detection intensities of Si2 ions have a maximum value at a depth of 0.5 nm or greater and 10.0 nm or less from the exposed surface.

Abstract: Chalcogen-grafted carbon material as well as their functionalized forms are described along with processes for their preparation. More specifically, the chalcogen is covalently linked to the carbon scaffold of a polyaromatic carbon via C?X and/or C—X—C bonds. Processes for their preparation include a single thermal treatment without the use of strong acids or anhydrous solvents.

Abstract: A method of preparing a transparent zinc carbonate is disclosed. The method includes dissolving a zinc source in aqueous ammonium carbonate, removing metal impurities from the solution, injecting CO2 into the zinc ammonia carbonate solution, heating a resulting slurry to a temperature of about 100° C. or more until the ammonia is substantially absent from the solution, and drying the resulting zinc carbonate at a temperature from around 150° C. to 300° C. for a length of time that removes water, but retains a significant part of the CO2 content. The ammonia and the carbon dioxide are present in the aqueous solution in a ratio by moles or by weight effective to dissolve the zinc. A nano zinc oxide can be prepared by drying the zinc carbonate at a temperature of 300-400° C. for a length of time sufficient to remove substantially all of the CO2.

Abstract: In an embodiment, a method includes producing a mixed feedstock of at least three halogenated monomer feedstocks. A first of the at least three halogenated monomer feedstocks includes an SP3 carbon, a second of the at least three halogenated monomer feedstocks includes an SP2 carbon, and a third of the at least three halogenated monomer feedstocks includes at least two SP1 carbons. The method further includes producing a polyorbital-hybrid pre-ceramic polymer comprising the SP1 carbons, the SP2 carbon, and the SP3 carbon. The polyorbital-hybrid pre-ceramic polymer is produced by reducing the mixed feedstock such that one or more halogen atoms are removed from the mixed feedstock. The method also includes fabricating the polyorbital-hybrid pre-ceramic polymer into a greenware form and producing a polyorbital-hybrid ceramic carbon comprising the SP1 carbons, the SP2 carbon, and the SP3 carbon. The polyorbital-hybrid ceramic carbon is produced by thermolyzing the polyorbital pre-ceramic polymer.