| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 241021000 | Liquids added to make pulp or suspension | 23 |
| 20090084874 | METHOD OF PRODUCING NANOPARTICLES AND STIRRED MEDIA MILL THEREOF - The field of invention is related to a method of producing nanoparticles of less than 100 nm using a stirred media mill and a novel stirred media mill for producing the nanoparticles. The dead zones present in the stirred media mill, are the main cause of long time grinding and wide size distribution of product and is rectified in our design by optimum design of stirrer which will transfer the energy to beads at all parts in the chamber homogeneously for efficient and fast. The invention also discloses the design and operating conditions for production of nanoparticle in stirred media mill. | 04-02-2009 |
| 20090127360 | Wet-grinding gypsum with polycarboxylates - The process of the present invention includes obtaining a feed material having an initial median particle size. A solution of a polycarboxylate dispersant in water is formed, then the feed material is added to the solution to form a slurry. The slurry is wet-ground to reduce the median particle size of the feed material. Optionally, the total amount of polycarboxylate dispersant is divided into a plurality of doses that are added periodically over the total grinding time. | 05-21-2009 |
| 20090166453 | Process for Yarn or Sliver Refining - The invention discloses a process for refining yarn or sliver having a length of at least 1 meter, comprising the step of feeding the yarn or sliver and a liquid into a refiner, which comprises refiner fillings having a body surrounding a central hole ( | 07-02-2009 |
| 20090272828 | PULPER FOR COMMINUTING AND SUSPENDING PAPER STOCK AND ITS USE - A pulper is used to comminute and suspend paper stock. The pulper includes a container that is open at the top and has a cylindrical side wall and a driven rotor, which is arranged eccentrically with respect to the center of the container. The bottom of the container can be provided with one or more truncated cones. | 11-05-2009 |
| 20100224711 | METHODS FOR ENHANCED PROCESSING OF BIOMASS USING FLASH DESICCATION AND/OR MECHANICAL HYDRODYNAMIC CAVITATION - Methods are disclosed for conditioning biomass. The methods generally include flash dessicating the biomass to reduce a particle size of the biomass; mixing the biomass with a liquid carrier; and exposing the biomass and the liquid carrier to a mechanical hydrodynamic cavitation process. The methods can be employed during ethanol production from grain based feedstock. | 09-09-2010 |
| 20100301146 | Composition of milling medium and process of use for particle size reduction - Composition and use of milling medium to prepare a polishing medium to be used in chemical and mechanical polishing applications. | 12-02-2010 |
| 20110168814 | BEAD MILL WITH SEPARATOR - A bead mill for performing wet comminuting comprising a stationary vessel having an internal wall and forming a milling chamber to be filled at least partly with milling bodies, raw particles and a carrying liquid to form a suspension within the milling chamber; an activator shaft, rotatable around an axis concentric with the stationary vessel and a rotating activator connected to the activator shaft, to comminute said raw particles to produce milled particles; characterized in that said bead mill further comprises a separator, containing a separator chamber disposed substantially vertically, a laminarization portion providing an upward laminar suspension flow within the separator chamber, to separate the milled particles from the milling beads and raw particles depending on the flow velocity of said upward laminar suspension flow. | 07-14-2011 |
| 20110220746 | Internal Cutter on Submersed Mixer - A mixing system for a fluid tank is described herein, the system having a drive motor, an impeller capable of being submersed, a shroud having a sidewall enclosing the impeller, and a cutter mounted on the shroud and cooperating with a blade of the impeller to cut solids within the shroud. The shroud is open at both an inlet end and a discharge end for drawing in and discharging fluid from the tank. A recess is provided on the internal surface of the shroud, wherein the cutter is adjustably positioned within the recess. Additionally, the cutter is also detachable from the recess so that it may be replaced when worn. In use, homogeneity is maintained in a slurry contained within the tank by submerging an impeller into the slurry, the impeller being shrouded in a housing having an inlet opening and a discharge opening, securing a cutter on an internal surface of the housing such that during operation of the impeller the cutter cooperates with a blade of the impeller to cut solids within the slurry, drawing tank contents into the impeller at the inlet opening, cutting solid material in the drawn tank contents between the cutter and an impeller blade, and then discharging the drawn tank contents out the discharge opening back into the tank. | 09-15-2011 |
| 20120119001 | ENVIRONMENTAL CONTAMINATION INHIBITION - A system for reducing environmental contamination from structure demolition can include a fluid first aqueous composition having an alginic acid or alginate dissolved in water, and a fluid second aqueous composition having a calcium salt dissolved in water. The system can be used in a method for reducing environmental contamination from structure demolition. The method can be conducted by: applying the first aqueous composition to a structure to be demolished; applying the second aqueous composition to the first composition on the structure such that the alginic acid or alginate undergoes gelation into a gel; and demolishing the structure such that the gel captures particles and inhibits environmental contamination from the particles. | 05-17-2012 |
| 20120168542 | SIZING ROLLER SCREEN ORE PROCESSING APPARATUS - A mined ore processing apparatus to process mined ores, such as oil sands ore, into granular material is disclosed. An ore processor bed receives the ore to be processed. The ore processor bed has a frame supporting several rotating elements each separately driven to provide independent rotation rate and direction from the other. The ore processing bed is operable as a sizing device to decimate mined ore supply into granular material and separating it from rocks and other large lump mineral materials found in situ. The ore processing bed may be oriented to provide an upward inclination, which, when combined with alternating rotating element rotation directions, provides a crushing action to the ore material to crush larger rock. Alternately, a rock crusher is also provided to disintegrate oversized materials. | 07-05-2012 |
| 20120187226 | Method and Apparatus for Defibrillating Cellulose Fibers - The current invention is directed to a method and apparatus for defibrillating cellulose fibers achieved through single or multiple passes of raw or pre-processed cellulose fiber slurry with a preferred solid material consistency range of 35% to 55% through twin-screw fiber processing machines. During this processing operation fiber slurries are optionally further enhanced with additional fiber and mineral additives to optimize performance of the material for specific end purposes. The hyper defibrillated fiber slurry produced can be defined as one reaching a Schopper-Riegler (SR) level between 75 SR and 85 SR and/or producing a pressed, dried board with a density of preferably at least 850 kg/m | 07-26-2012 |
| 20140027546 | PUMP AND SUBMERSIBLE SOLIDS PROCESSING ARRANGEMENT - A pump and submersible solids processing arrangement includes a pump, having a suction inlet and discharge, and a submersible solids processing arrangement positioned in fluid communication with the suction inlet of the pump and being structured to macerate larger solids and matter that is entrained in a fluid to thereby reduce the size of the solids prior to entry of the fluid and solids into the inlet of the pump, the arrangement further including macerating members the speed and arrangement of which are selectively determinable or adjustable, and the arrangement further comprising an agitator arrangement for directing solids into the submersible solids processing arrangement. | 01-30-2014 |
| 20140203120 | Method and Device for the Mechanical or Mechanical-Biological Treatment of Waste - The invention relates to a method for treating waste in a mechanical or mechanical-biological waste treatment plant, comprising the following steps of:
| 07-24-2014 |
| 20140209716 | Post-Consumer Scrap Film Recycling System and Process - A method for processing a supply of post-consumer scrap linear low density or low density polyethylene film into near-virgin quality blown film product. The method includes tearing the supply of film in a shredder, wherein the surface area of the film is exposed, including delaminating the film. The torn supply of film is washed in a hot water bath including a surfactant. The film is agitated in the bath containing the surfactant wherein contaminants on the film are removed from the film. The washed film is ground into smaller pieces and additional washing of the ground film in a rotating friction washer occurs wherein additional contaminants are removed from the film. The ground film is then dried in a dryer and compacted in a compactor without addition of water into granulated objects of near-virgin quality blown film product. | 07-31-2014 |
| 20140217208 | SYSTEM AND METHOD FOR DISPOSING OF CONFIDENTIAL INFORMATION - Paper products having identity theft information such as personal/ confidential information thereon should be periodically destroyed. These sheets of paper are loaded into a mashing container being a flexible container that allows water to enter and exit but not the mashed paper. A sealable top should prevent the container from opening when it is being processed. The loaded mashing container is then placed into a conventional washing machine, one embodiment, and by means of the vanes of the agitator, the paper is mashed during a washing cycle. After this cycle, the washer is placed in the spin mode to remove as much water from the pulp as possible. The processed mashing container is removed and the top opened so that the pulp can be removed and placed in the garbage. Alternatively, the processed mashing container may itself be placed in the garbage. | 08-07-2014 |
| 20140231556 | PROCESS AND SYSTEM FOR TREATING PARTICULATE SOLIDS - System and method for treating particulate solids comprises a processor for providing contaminated particulate solids at a predetermined apparent density and a screw feeder for transporting a water-based slurry of the contaminated particulate solids through an ultrasound signal of sufficient size, strength and duration to cause the contaminants to separate from the particulate solids. One or more stacks of ultrasonic transducers arranged around the screw feeder may be employed in which the diameter of each transducer preferably is substantially the same as the pitch of the screw feeder. | 08-21-2014 |
| 20140239098 | RECYCLE METHOD AND RECYCLE APPARATUS FOR POWDER FOR RARE EARTH SINTERED MAGNET - Provided are a recycle method and apparatus for effectively obtaining a recycled alloy powder which is hardly oxidized and which has substantially the same particle diameter as that of alloy powder used for forming a molded body, by using the molded body formed by press molding in manufacturing a rare earth sintered magnet. A method for recycling a powder containing a rare earth element, comprising the steps of: i) placing in an oil a molded body for a rare earth sintered magnet, the molded body comprising a powder containing a rare earth element; ii) arranging the oil and at least a part of the molded body in between a plurality of plate-like first crushing teeth opposed to each other and a plate-like second crushing tooth having at least its part positioned between the adjacent first crushing teeth; iii) rotating at least either one of the plurality of first crushing teeth and the second crushing tooth without contacting to each other such that the first crushing teeth and the second crushing tooth serve to change a part of the second crushing tooth positioned between the adjacent first crushing teeth. | 08-28-2014 |
| 20140284407 | A METHOD FOR PRODUCING NANOFIBRILLAR CELLULOSE - In a method for producing nanofibril cellulose, cellulose based fibre material, in which internal bonds in the cellulose fibre have been weakened by chemical modification, are supplied, for separating fibrils, through several counter-rotating rotors outwards in the radial direction with respect to the rotation axis of the rotors in such a way that the material is repeatedly subjected to shearing and impacting forces by the effect of the blades of the different counter-rotating rotors, whereby it is simultaneously fibrillated. | 09-25-2014 |
| 20150034744 | PROCESSOR WITH A CLOSED VESSEL THAT CAN BE PRESSURIZED - A processor with a closed vessel which can be pressurised and comprises an upper region with a smaller diameter and a lower region with a larger diameter, wherein the upper region comprises a small helix and the lower region comprises a large helix, wherein an admission for materials and one for water are in turn disposed in the upper region and a heavy-part trap is disposed in the lower region. | 02-05-2015 |
| 20150060581 | Production of Near Monodisperse Particles using Milling and Membrane Separation - The present invention provides a method for producing particles having a reduced particle size distribution, which method comprises the steps of: a) providing a composition comprising particles; b) subjecting the particles in said composition to a size reduction step or to a size growth step; c) feeding said particles to a first membrane separation system to separate said particles according to size; d) recycling those particles that do not meet the size criteria back to step a); e) optionally, collecting in a collection tank the permeate of the first membrane separation system. Particles obtainable according to the method of the invention and characterized by having a near monodisperse particle size distribution are also provided. The particles are preferably characterized by having a particle size distribution with a span of less than 2.0. The invention also provides pharmaceutical compositions comprising particles according to the invention, and also apparatus for carrying out the method of the invention. | 03-05-2015 |
| 20150292192 | DEVICE AND METHOD FOR GRINDING AND RECOVERING DOMESTIC ORGANIC WASTE - Device and method for grinding and recovering organic waste. The device includes a settling tank that receives an aqueous suspension of organic residue and separates it, by settling, into a liquid phase, a solid phase and a gaseous phase. The settling tank includes at least one settling chamber having an inlet that feeds the aqueous suspension to the chamber, and provided with outlets to discharge the various phases produced. The device may include a grinder, level sensing means for the settling chamber, and heat exchange conduits. The method in connection with the device includes steps of grinding organic waste, guiding the aqueous suspension toward the settling chamber, and settling the aqueous suspension. The steps of discharging are controlled by a main controller electrically connected to the settling tank. | 10-15-2015 |
| 20160016176 | CONTINUOUS CONTAINED-MEDIA MICROMEDIA MILLING PROCESS - An apparatus and continuous process for making milled solid in liquid dispersions comprises several steps: 1) Forming a pre-mill mixture of pre-mix, milling media, and previously milled dispersion. 2) Milling the pre-mill mixture to form a milled mixture of milling media and milled dispersion. 3) Separating a portion of the milled dispersion, which is substantially free of milling media, from the milled mixture. 4) Recycling the un-separated mixture by adding additional pre-mix to form the pre-mill mixture to create a continuous milling process. The pre-mix comprises a liquid and a solid. The process is a continuous process and the milling media is recycled through the milling step. Much of the milled dispersion is also cycled through the milling step several times and only a portion of the milled dispersion, which is substantially free of milling media, is removed as the milled dispersion product. | 01-21-2016 |
| 20190143337 | METHOD FOR MINING AND PROCESSING OF AN ORE | 05-16-2019 |
