Abstract: A polypropylene composition (PC) comprising: a. from 95.0 to 99.99 wt.-%, of a polypropylene (PP), preferably a propylene homopolymer (HPP); and b. from 0.01 to 5.0 wt.-%, of a compound according to Formula (I), wherein each R is independently selected from C1 to C6 alkylene, C2 to C6 alkenylene and a single bond, each R? is independently selected from H and C1 to C6 alkyl, each R? is independently selected from H and C1 to C22 alkyl, wherein each alkylene, alkenylene and alkyl group may optionally be substituted by deuterium or fluorine, and the two substituents on the central benzene ring may be either positioned in an ortho, meta or para relationship; wherein the polypropylene composition (PC) has an MFR2 of from 400 to 5000 g/10 min and a melting temperature Tm of from 140 to 170° C.

Abstract: The disclosed technology relates to air filters and filter assemblies for filtering particulates from air, and more particularly to for filtering paint particulates from air. The disclosed technology can include a filter support frame having a plurality of air filter receptacle shelves configured to support a plurality of air filter boxes, a tray receptacle configured to receive a removable tray, an inlet configured to receive a mixture of air and particulates and channel a mixture of air and particulates across the removable tray toward the plurality of air filter boxes, an outlet configured to receive filtered air from the plurality of air filter boxes and channel the filtered air out of the filter support frame, and a base configured to support a removable plenum. The removable tray can be configured to collect particulates.

Abstract: Solar thermal panel (1) for producing water, comprising a frame (2), a reflective solar concentration surface (3), a heat exchanger (10) which is positioned at the solar focusing axis (A) and comprising a container (11) comprising an ambient humidity desiccator material (11a?), at least one opening (12), a first valve (13) which is positioned at the at least one opening (12) and selectively actuatable by moving from an open configuration to a closed configuration so as to selectively and reversibly allow the fluid-dynamic connection between the desiccator material (11a) and surrounding ambient air.

Abstract: Chemical precursor recovery systems and methods of recovering and reusing semiconductor manufacturing chemistry are disclosed. The recovery systems include a cold trap inlet line in fluid communication with a plurality of cold traps and a cold trap outlet line. The plurality of cold traps is configured to condense the chemical precursors and are arranged based on semiconductor manufacturing process conditions.

Abstract: A scrubber for cleaning exhaust fumes generated by internal combustion engines, in particular for reducing the concentration of the sulfur oxides SOx in exhaust fumes generated by the combustion of high sulfur content fuels, said scrubber comprising a main hollow tubular body, an inlet and an outlet for introducing and discharging said fumes into and from said main hollow tubular body, respectively, and inlet means for introducing at least partially atomized pressurized water into said main hollow body, wherein said inlet means comprise a plurality of nozzles arranged in said main hollow body and each adapted to dispense said at least partially atomized pressurized water.

Abstract: Provided is a household oxygen generator. The household oxygen generator includes a housing. A compression mechanism, a first air path module and an oxygen generation mechanism which are communicated in sequence are disposed in the housing. The first air path module includes a flow guide pipeline, a movable pipeline and a locking assembly. The movable pipeline is movably connected to the flow guide pipeline. The locking assembly is in transmission connection with the movable pipeline. The flow guide pipeline is connected to the oxygen generation mechanism. The locking assembly has a locking position and an unlocking position. When the locking assembly is in the locking position, the movable pipeline is clamped to or inserted into an air inlet of the oxygen generation mechanism. When the locking assembly is in the unlocking position, the movable pipeline is separated from the air inlet of the oxygen generation mechanism.

Abstract: The present invention relates to the thermoacoustic separation of sparse or dilute particulates, liquids, or gases from any substance whose motion is appropriately described by hydrodynamics. It is applicable in a broad range of scientific and industrial contexts because it is designed to partially reverse the process of mixing, albeit at a significant energy cost. Relative to similar devices, it is novel because it has been configured to process material in a continuous flow, so operates without the use of a closed, fixed-volume separation chamber. When operated at high throughput, this device is designed to capture significant quantities of valuable but sparse commodities from large volumes of multi-component mixtures, on industrially-competitive timescales, without necessitating chemical inputs or strong electromagnetic fields.

Abstract: A separator system and method may provide a four-way separator that may separate a material and remove a hazardous material. The hazardous material may include gas and sand that may be removed by the four-way separator. The separator system and method may further provide a main unit that may include three chambers or recirculation hoppers, an auger sand extractor, and a strap tank. The separator system and method may provide a faster rig-up time and may be exclusively driven by hydraulics.

Abstract: A device for reducing gas density in a liquid phase refrigerant in a refrigeration system is provided, the device comprising; a fluid inlet; a first outlet; a second outlet; a conduit, linking the fluid inlet to the first and second outlets; and a baffle, arranged within the conduit between the accelerator and the first outlet; wherein, the accelerator is configured to accelerate fluid from the fluid inlet towards the outlets, thereby separating out saturated gas in the fluid to reduce the gas density in the fluid; and the baffle is configured to direct the flow of lower gas density fluid towards the second outlet, and allows higher gas density fluid to pass around the baffle towards the first outlet. By providing a device in this manner, the energy efficiency and quality of refrigeration in a refrigeration system is improved.

Abstract: A method for preparing a gas sweetening system for less shutdown time is provided. The method includes stopping a sour gas feed to a gas sweetening system, and raising the set point for a temperature of a lean amine cooler to about 150° F. The H2S concentration in a lean amine is monitored. The preparation of the gas sweetening system for maintenance is completed when the H2S concentration reaches a target value.

Abstract: Embodiments disclosed herein relate to a pleated filter element having filter media having a downstream layer of filter material and an upstream layer of fibers. A spacing structure defines a void space between the upstream layer of fibers and the downstream layer of filter material.

Abstract: Method and vehicle including an air treatment system for treating environment air; a control circuit to control the air treatment system; a communication interface configured to wirelessly send and receive commands external to the vehicle and operably coupled to the control circuit. The control circuit configured to, via the communication interface, receive a request for treatment; determine if the air treatment system has an additional treatment capacity available; via the communication interface, send an acknowledgement if additional treatment capacity is available; and, to control the air treatment system to increase treatment capacity. One aspect of the disclosure concerns a fleet of two or more vehicles in accordance with various embodiments. The two or more vehicles may be configured to operably communicable with each other.

Abstract: A system for processing biogas, the system comprising: a container, a pressure swing adsorption (PSA) unit housed in the container, the PSA unit having: a plurality of beds containing adsorbent material, the adsorbent material configured to selectively adsorb gas species from the biogas to process the biogas, a rotary valve module for distributing flow of 5 the biogas within the PSA unit, an inlet for supplying the biogas to the plurality of beds from outside of the container, and an outlet for transporting the processed biogas away from the PSA unit.

Abstract: A power tool having a power tool housing, a motor, a tool moved relative to the housing by the motor, a fan rotated by the motor such that a fluid flow with debris generated by tool is moved into the fluid inlet by the fan and through the discharge outlet, and a filter that is removably attached to the power tool housing. The power tool housing includes a fluid inlet and a discharge outlet. The filter includes a filter media for separating the debris from the flow of fluid. The filter media defines a collection container for storing the debris. The filter also includes an opening through which the flow of fluid with the debris enters the collection container, and a valve that is moveable between a closed position, in which the opening is closed, and an open position, in which the opening is open. The valve includes a duckbill check valve.

Abstract: Provided are a method and an electronic device for detecting contamination of a filter. When a revolutions per minute (RPM) of a fan motor increases so as to exceed a target RPM, a stabilization time is detected from a time point when the RPM of the fan motor reaches the target RPM to a time point when the RPM of the fan motor is maintained within a reference RPM difference with respect to the target RPM. When it is determined that the detected stabilization time is greater than a filter replacement threshold time, a notification to replace the filter is displayed on a display.

Abstract: A vapor recovery system comprises an inlet located at a first end of a fluid path configured to receive a fluid vapor to the vapor recovery system. The vapor recovery system comprises a condenser located on the fluid path and a scrubber located on the fluid path. The vapor recovery system comprises a composition sensor located on the fluid path between the scrubber and a second end of the fluid path. The composition sensor is configured to measure a composition of the fluid vapor. The vapor recovery system comprises an exhaust located at the second end of the fluid path configured to exhaust at least a portion of the fluid vapor from the fluid path at a composition having an amount of a working fluid below a working fluid threshold.

Abstract: A method for purifying a crude hydrogen feed stream utilizes an adsorbent having a N2/Ar selectivity ranging from 2 to 4 at 30° C. and a Henry's law coefficient for argon ranging from 0.15 to 1.0 mmole/g/atma at 30° C. The composition of crude hydrogen streams from processes in which carbon dioxide is captured necessitates new criteria for adsorbent selection to improve recovery.

Abstract: A process for the reduction of flaring/venting gases during completions operations on an oil/gas well, said process comprising providing a well in need of completion; providing a system to capture oil and gas generated by the well; the system including a primary separator to separate an incoming well stream into a plurality of streams wherein a first stream is sent to a pipeline and a second stream is sent for further processing. The process further includes flowing and collecting a third stream of gas in a gas pressure vessel; compressing the collected gas in the vessel until parameters of compressed gas are compressed to provide a constant feed to the pipeline; and transferring the compressed gas to the gas pipeline wherein the process reduces the amount of gas flared and/or vented during operation by over 80%.

Abstract: An air filtration cassette extending in a length direction between a first end and a second end, related to an intended air flow direction from the first end to the second end during use, the air filtration cassette comprising a filter material disposed between an outer boundary surface and an inner boundary surface, the air filtration cassette having an interior open space encompassed by the inner boundary surface and the filter material, and having an opening arranged at one end of the open space and being closed at the other end thereof, an average distance between said inner boundary surface and said outer boundary surface at said second end being larger than an average distance between said inner boundary and said outer boundary at said first end, the average distance between said inner boundary surface and said outer boundary surface being the average of all distances between the inner boundary surface and the outer boundary surface in a direction perpendicular to said length direction at a selected pos

Abstract: A desulfurization and denitrification agent and application thereof are provided, belonging to the fields of flue gas purification and purified product recycling. In the present disclosure, an imidazoline amine oxide is used as a desulfurization and denitrification agent, which can oxidize NOx and SOx into HNO3 and H2SO4. Meanwhile, after the agent is reduced, double bonded tertiary nitrogen atoms in the agent can be used as a base for neutralizing H2SO4 and HNO3. In addition, in the present disclosure, the imidazoline amine oxide is used as the desulfurization and denitrification agent for two-stage desulfurization and denitrification of flue gas. Waste liquid produced after the reaction is injected as foaming acid liquid into carbonate and tight sandstone reservoirs, and slowly hydrolyzed into H2SO4, HNO3, and HF at the reservoir temperature, and the produced acid reacts with the reservoirs to augment production and injection of the reservoirs.