Abstract: A recycling method applied to thermoplastic filaments mixed with undesirable materials. The recycling method includes a feed step and a spreading step. The method continues with a horizontal cutting step wherein the layer of thermoplastic filaments and undesirable materials is leveled, and then a first cutting step wherein the layer is cut in a first vertical direction, and a second cutting step wherein the portions of layers are cut in a second vertical direction orthogonal to the first vertical direction. The method continues with a tearing step, a beating step, a preliminary grinding step, an agglomeration step, a grinding step, a separation step and finally a recovery step.

Abstract: Methods and devices for producing a casting mold for sand casting are disclosed. In one embodiment, a method for producing a compacted mold for casting molten material may include positioning a model or pattern in a flask; filling the flask with compactable sand; and compacting the compactable sand around the model or pattern so as to form a compacted mold or compacted mold component suitable for casting. The compacting of the molding sand takes place in zones or regions smaller than a lateral extension of the flask based on a contour or a dimension of the model or pattern.

Abstract: Augmented three-dimensional (3D) printing systems and methods for constructing and mineralizing a hydrogel structure with defined geometry are disclosed. One example embodiment is a system for three-dimensional printing and mineralizing a polymer. The system includes a three-dimensional printer unit with a syringe extruder, a fluid delivery system operatively coupled to the three-dimensional printer unit, and a control unit. The control unit is operatively coupled to the three-dimensional printer unit and fluid delivery system, and is configured to (i) cause the three-dimensional printer unit to print a portion of a three-dimensional polymer object, (ii) cause the fluid delivery system to flush the portion of the three-dimensional polymer object with a fluid to mineralize the portion of the three-dimensional polymer object, and (iii) cause the three-dimensional printer unit to print a subsequent portion of the three-dimensional polymer object.

Abstract: A foam ink composition for printing porous structures comprises stabilizing particles and gas bubbles dispersed in a solvent. The stabilizing particles comprise a predetermined interfacial energy so as to exhibit a contact angle with the solvent of from about 15° to about 90°. At least a portion of the stabilizing particles are positioned at interfacial regions between the solvent and the gas bubbles, thereby stabilizing the gas bubbles in the foam ink composition. A 3D printed hierarchical porous structure comprises one or more continuous filaments arranged in a predetermined pattern on a substrate, the one or more continuous filaments comprising a sintered material and including a porosity of at least about 40 vol. %.

Abstract: In one example, a temperature control system for a spreader roller in an additive manufacturing machine includes: a first duct to carry air to an air passage through the roller; a second duct to carry air away from the air passage through the roller; a fan to move air through the ducts; a temperature sensor to sense a temperature of the roller; and a controller to control a flow of air through the ducts based on a temperature sensed by the sensor.

Abstract: A controller is configured to adjust, by increasing or decreasing an amount of a lubricant mixed with the powdery material, an amount of a lubricant applied to an inner circumference of a die bore and tips, or a time to mix the lubricant to be mixed with the powdery material and the powdery material, in accordance with whether or not the molded product has defectiveness, a pressure applied to the lower punch pushing the molded product out of the die bore, a temperature of the die bore, the upper punch, or the lower punch, a temperature of the powdery material, or a humidity of the powdery material.

Abstract: The invention relates to an additive production method involving the production of a layer of geometrically compact particles, having the following steps: a) providing a particle layer depositing arrangement, comprising a first and a second semi-chamber, wherein a partition separates the first semi-chamber from the second semi-chamber, and the partition is permeable for a dispersion medium and impermeable for particles dispersed in the dispersion medium; b) providing a particle dispersion comprising the dispersion medium and particles dispersed therein in the first semi-chamber, the particle dispersion being distributed substantially homogenously in the first semi-chamber; c) generating a pressure gradient between the first and the second semi-chamber such that the pressure gradient in the first semi-chamber causes a particle dispersion flow directed towards the partition; and d) depositing a particle aggregate material comprising geometrically compact particles on the partition by transporting a dispersion a

Abstract: Provided is a method of making methylcellulose-type ether in powder form, said method comprising (a) providing a solution of said methylcellulose-type ether in water, and (b) then separating said methylcellulose-type ether from said water to produce dried methylcellulose-type ether, with the proviso that either (i) step (b) produces said methylcellulose-type ether in powder form, or (ii) after step (b), said method additionally comprises a step (c) of subjecting said dried methylcellulose-type ether to mechanical stress to produce said methylcellulose-type ether in powder form.

Abstract: A method includes spraying a liquid including polymer and a gas substantially inert to the liquid respectively from a first and second orifice of a nozzle into air to form mist of beads. The beads then are collected with a collecting medium at a temperature in a range from about ?10° C. to about 80° C. The collecting medium includes at least one of water and alcohols.

Abstract: A leather substrate formed from waste leather and its method of production, particularly a leather substrate made up substantially of a collagen fibril matrix.

Abstract: An adhesive composition is disclosed, and includes an aldehyde-based resin selected from the group consisting of urea-formaldehyde resins, melamine-formaldehyde resins, melamine-urea-formaldehyde resins, phenol-containing resins, and mixtures, combinations, and sub-combinations thereof, and a formaldehyde scavenger selected from the group consisting of chitosan, nano-chitosan, functionalized chitosan, and mixtures, combinations, and sub-combinations thereof.

Abstract: A gypsum fiber board produced in a Siempelkamp dry-process, comprising 75 wt % to 90 wt % (relative to the total dry mix) of calcium sulfate hemi-hydrate and 10 wt % to 25 wt % (relative to the total dry mix) paper fibers, wherein the calcium sulfate hemi-hydrate is a mixture of ?-calcium sulfate hemi-hydrate and ?-calcium sulfate hemi-hydrate, wherein the content of ?-calcium sulfate hemi-hydrate in the mixture is at least 5 wt % (relative to the total calcium sulfate hemi-hydrate) is disclosed. Also disclosed is a method for producing a gypsum fiber board of a thickness of 23 mm in a Siempelkamp dry-process.

Abstract: In one example, a method for printing a three-dimensional (3D) object is described. The method may include a processor depositing a layer of a sinterable material on a support member, and preheating the layer of the sinterable material using a moveable radiation source. The method may further include the processor depositing a fusing agent on an imaged area of the layer of the sinterable material and fusing the imaged area of the layer of the sinterable material using the moveable radiation source.

Abstract: A three-dimensional molding producing apparatus (100) includes: a three-dimensional molding forming device (130) that forms a three-dimensional molding (300) by a powder lamination method by using a molding material (200) obtained by mixing a urethane resin powder with a gypsum powder and; and a urethane resin impregnating device (150) that impregnates a urethane resin into the three-dimensional molding (300). The three-dimensional molding producing apparatus (100) further includes: an aqueous medium dipping device (170) for immersing the three-dimensional molding (300) in an aqueous medium after impregnation of the urethane resin by the urethane resin impregnating device (150) is completed. This makes it possible to form a high-strength three-dimensional molding in forming a three-dimensional molding by the powder lamination method. Furthermore, it is also possible to form a soft three-dimensional molding.

Abstract: A method for forming a pelletised evaporite mineral product, the method comprising: pulverising an evaporite mineral feedstock to form a dry powder, mixing the dry powder with a binder in the presence of a liquid to form an intermediate blend; and processing the intermediate blend using a pelletiser to form pellets principally composed of the evaporite mineral.

Abstract: A method for increasing production in a liquid hydrocarbon reservoir formation comprising the steps of introducing a nanoencapsulated composition solution capable of reducing the surface tension of a liquid hydrocarbon fraction, where the nanoencapsulated composition solution comprises a nanocapsule and a carrier fluid, such that the nanocapsule is dispersed in the carrier fluid; allowing the nanoencapsulated composition solution to interact with the liquid hydrocarbon fraction such that the surface tension of the liquid hydrocarbon fraction is reduced such that at least a portion of the liquid hydrocarbon fraction is capable of being displaced; introducing a water fraction into the wellbore under conditions such that at least a portion of the liquid hydrocarbon fraction is displaced from the liquid hydrocarbon reservoir formation; and recovering the at least a portion of the liquid hydrocarbon fraction and at least a portion of the nanoencapsulated composition solution using the wellbore.

Abstract: A method for increasing production in a liquid hydrocarbon reservoir formation comprising the steps of introducing a nanoencapsulated composition solution capable of reducing the surface tension of a liquid hydrocarbon fraction, where the nanoencapsulated composition solution comprises a nanocapsule and a carrier fluid, such that the nanocapsule is dispersed in the carrier fluid; allowing the nanoencapsulated composition solution to interact with the liquid hydrocarbon fraction such that the surface tension of the liquid hydrocarbon fraction is reduced such that at least a portion of the liquid hydrocarbon fraction is capable of being displaced; introducing a water fraction into the wellbore under conditions such that at least a portion of the liquid hydrocarbon fraction is displaced from the liquid hydrocarbon reservoir formation; and recovering the at least a portion of the liquid hydrocarbon fraction and at least a portion of the nanoencapsulated composition solution using the wellbore.

Abstract: A liquid absorbent structure is made by dry laying a fibrous web having incorporated therein a superabsorbent material, and applying an aqueous composite stabilizer to at least one surface of the web. The aqueous composite stabilizer imparts integrity to the resulting structure without substantially impairing the effectiveness of the superabsorbent material to absorb liquid while forming the absorbent structure without removing the water from aqueous composite stabilizer or drying out the absorbent structure. The absorbent composite absorbs the water from the aqueous composite stabilizer. The absorbent composite comprises about 70% by weight of a superabsorbent material.

Abstract: Method and fluidized bed reactor for the production of granules, such as granules of urea or ammonium nitrate. The reactor comprises at least one granulation compartment with air inlets, and an air moving device downstream the granulation compartment, e.g., downstream one or more scrubbers. The air moving device is configured to draw air through said one or more air inlets into the granulation compartment.

Abstract: The present invention refers to an agglomeration drum and to a procedure for the agglomeration of mineral inside said drum for the pretreatment of minerals, both of them mainly used in hydrometallurgy. Said drum and procedure use a system and a phase of recirculation of gases as part of the invention. Additionally, in the agglomeration procedure the process of chemical reactions occurring inside the agglomeration drum is included. The agglomeration drum, agglomeration procedure and the reactive process allow to obtaining uniform, stable and poorly degradable agglomerates that have a bigger agglomerate-reagent contact surface. The agglomerates or aggregates produced in the agglomeration drum and according to the process of the invention increase the extractive yield of the later leaching process, thus reducing the creation of preferred ways for the leaching solution in the leaching piles.