Matches 1 - 50 out of 91 1 2 >


Match Document Document Title
8157955 Method and system for the large scale collection of ligno-cellulosic biomass  
A system for collecting ligno-cellulosic biomass over a large area to enable the commercial refining of biomass from 2,500 to in excess of 50,000 tons of biomass per day to produce ethanol or other...
8123864 Method and apparatus for conversion of cellulosic material to ethanol  
The present invention provides an apparatus and a method for conversion of cellulosic material, such as chopped straw and corn stover, and household waste, to ethanol and other products. The...
8057635 Method and system for the large scale collection, preparation, handling and refining of ligno-cellulosic biomass  
A system for collecting ligno-cellulosic biomass over a large area to enable the commercial refining of biomass from 2,500 to in excess of 50,000 tons of biomass per day to produce ethanol or other...
8022260 Process for the conversion of biomass to liquid fuels and specialty chemicals  
The present invention relates to the conversion of solid biomass to liquid fuels and specialty chemicals. The process utilizes an activating step to make the biomass more susceptible to conversion,...
7981247 Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood  
The present invention relates to processes for enhancing a refiner's production rate and/or reducing the specific energy consumption for a freeness target through the use of lubricant(s) or...
7955711 Wood treatment solution and process  
The present invention features a single aqueous solution that imparts acceptable levels of water resistance, fire resistance, mold resistance and pest resistance to wood, and which may be used in...
7943008 Method of pre-treating woodchips prior to mechanical pulping  
A method of making pulp adapted to be used in forming corrugating medium is disclosed. The method comprises cooking woodchips in a first liquor in the absence of an alkali addition. The method...
7771565 Method of pre-treating woodchips prior to mechanical pulping  
A method of making pulp adapted to be used in forming corrugating medium is disclosed. The method comprises cooking woodchips in a first liquor in the absence of an alkali addition. The method...
7736463 Method for manufacturing bleached mechanical and chemithermomechanical pulp  
A method of manufacturing bleached mechanical and chemithermomechanical pulp is provided, having enhanced bleaching effect, wherein lignocellulose material is passed through at least one preheater...
7513973 Bleached polyacrylic acid crosslinked cellulosic fibers  
Bleached polyacrylic acid crosslinked cellulosic fibers, methods for making the fibers, and products including the fibers. The bleached polyacrylic acid crosslinked cellulosic fibers are...
7294227 Method and system for the treatment of pulp prior to ozone bleaching  
A system for treating pulp comprises a dewatering device (2) for dewatering the pulp to a fiber concentration of at least 20%, a closed pulp-shredding vessel (16) for shredding the dewatered pulp,...
7264690 Catalyzer for clean pulping and process for using the same  
A catalyzer for clean pulping includes sodium salicylate, anion silicate softener, cooking aids, liquid(gaseous) chlorine and water. A process for using the catalyzer for clean pulping includes the...
7252739 Method for distributing cellulose pulp of low and medium consistency in order to form a uniform pulp web  
The method is for distributing cellulose pulp that has a 2-12% consistency. A manifoid housing is in fluid communication with distributor housing. The distributor housing has holes that are...
7229525 Methods to enhance pulp bleaching and delignification  
A method to enhance brightness in Chemical and Mechanical pulps comprising adding an organic sulfide chelant is described and claimed. A method to enhance delignification in a Chemical pulp...
7182836 Method for delignifying lignocellulosic raw materials  
The invention relates to a method for delignifying lignocellulosic raw materials by using sulfites in the presence of an alkaline component, especially sodium hydroxide or sodium carbonate or a...
7179347 Method for fiber stock preparation  
A method for the preparation of fiber stock for the production of paper or cardboard, including the steps of: a) Supplying fibers in the form of a suspension that has a predetermined solids...
7052578 Process employing magnesium hydroxide in peroxide bleaching of mechanical pulp  
Wood pulp is bleached using hydrogen peroxide as the oxidative bleaching agent in the presence of magnesium hydroxide or magnesium oxide. The bleaching process is carried out in the presence of...
7029554 Method for brightening pulp with hydrosulfite solution generated from borohydride and bisulfite  
A method for brightening pulp at a pH from 4.5 to 9. The method comprises the steps of: (a) combining an alkali metal borohydride, an alkali metal hydroxide, an alkali metal bisulfite and...
7018509 Elimination of alum yellowing of aspen thermomechanical pulp through pulp washing  
This invention relates to an improved process for manufacturing bleached thermomechanical aspen pulp having reduced yellow after treatment with aluminum based chemicals such as alum which are used...
7005034 Method in connection with the production of mechanical pulp  
A method in connection with the production of mechanical pulp from a cellulose containing material wherein the material is processed in at least one refining step to produce pulp. According to the...
6881299 Refiner bleaching with magnesium oxide and hydrogen peroxide  
Methods of bleaching mechanical pulp under alkaline conditions with hydrogen peroxide. The methods include introducing a source of magnesium ions and hydroxyl ions to a refiner. The wood...
6800319 Accessing leaf and/or stem parts of plants  
The invention relates to the separation and of components from vegetable raw materials. The invention provides a method for separating components from vegetable material which has at least leaf...
6777103 Fiber cement composite material using biocide treated durable cellulose fibers  
A fiber cement composite material providing improved rot resistance and durability, the composite material incorporating biocide treated fibrous pulps to resist microorganism attacks. The biocide...
6770168 Process for oxygen pulping of lignocellulosic material and recorvery of pulping chemicals  
A substantially sulfur free process for the manufacturing of a chemical pulp with an integrated recovery system for recovery of pulping chemicals is carried out on in several stages involving...
6743332 High temperature peroxide bleaching of mechanical pulps  
A method of making bleached mechanical pulps is disclosed for pulping mills having a primary and a secondary refiner. A first step is to provide cellulosic materials, such as wood chips to refine...
6666951 Process for the production of articles from treated lignocellulosic particles and a formaldehyde based resin binder  
An improvement in the process for the production of articles from lignocellulosic material and a formaldehyde based resin binder comprising the step of treating the lignocellulosic material prior...
6428653 Method of bleaching with formamidine sulfinic acid using a reducing agent to eliminate residual peroxide  
A process for final bleaching cellulose-containing pulp which has been subjected to previous bleaching with a peroxide compound. The process involves the sequential steps of exposing the pulp to an...
6419786 Method for bleaching wood pulp containing recycled paper  
A method of treating wood-fiber pump, particularly wood-fiber pulp that contains recycled paper, comprises delivering the pulp to and advancing the pulp in a heating zone while delivering steam to...
6340408 Method of preparation of a fluffed pulp to be used in absorbent products  
A method for the preparation of cellulosic pulp capable of being defibrated (fluffed) for the manufacture of an absorbent material intended to be incorporated as a component in absorbent products....
6267841 Low energy thermomechanical pulping process using an enzyme treatment between refining zones  
A low energy thermomechanical pulping process which employs an enzyme treatment stage between two low energy thermomechanical stages.
6207009 Method of treating mechanical pulp with a phenol-oxidizing enzyme system  
A process for producing paper or paperboard from mechanical pulp, in which the pulp is treated with a phenol-oxidizing enzyme after mechanical refining of the pulp has been completed. The resulting...
6117545 Surface-modified cellulose microfibrils, method for making the same, and use thereof as a filler in composite materials  
6106632 Process for mechanically dewatering extracted sugar beet pulp  
In a process for mechanically dewatering extracted sugar beet pulp, the dry matter content in the pressed pulp is increased by introducing directly into the pressed pulp layer in the pressing...
6099688 Process for preparing mechanical pulp by treating the pulp with an enzyme having cellobiohydralase activity  
An enzymatic process for treating coarse pulp with an enzyme having cellobiohydrolase activity to reduce the specific energy requirements of the pulp and improve the properties of the pulp....
5958182 Process for converting tropical plant material into fibers  
A process for converting tropical materials into fibers useful in paper-making, textiles, insulation, general fiber filler and the absorption of liquids. The tropical materials utilized in the...
5865949 Process for preparing and treating mechanical pulp with an enzyme preparation having cellobiohydralase and endo-β-glucanase activity  
A process for treating mechanical pulp having a cellobiohydrolase activity effective for modifying crystalline parts of the cellulose, an endo-β-glucanase less than that which will significantly ...
5853534 Method of producing pulp with high yield using a two-stage refining system operating at different temperatures  
A method of producing mechanical and chemi-mechanical pulp with a yield above 85 % from lignocellulose-containing material for the manufacture of paper or board products. The material is subjected...
5772844 Process distributing fluffed pulp into a static bed reactor for gaseous treatment  
A process and apparatus for treating and particularly bleaching pulp contacts a pulp with a gaseous reaction medium in a reactor tower. The pulp is fluffed and refined before being added to the...
5554258 Flotation process for mechanical pulp using a surface active agent  
An improved process for bleaching pulps is disclosed in which the unbleached pulp is subject to flotation before bleaching and, if necessary, the circulating water is also purified of interfering...
5356517 Hydrolysis of resin in pulp with an enzyme and a peroxide  
Resin can be hydrolyzed enzymatically during the peroxy bleaching (e.g. with hydrogen peroxide) commonly used in pulp manufacture and the use of lipase in the manufacture of CTMP-fluff will afford...
5338402 Process for preparing a bleached chemithermomechanical pulp  
A process for preparing chemithermomechanical pulp comprising subjecting a lignocellulosic substance from which said pulp is to be formed to the simultaneous action of a sulfite and a reducing...
5277760 Process for the manufacture of pulp for paper, and fiberboard products using alkaline cooking chemical and oxygen in a closed, continuous and pressurized tube system  
Process for producing pulp suitable as raw material for paper, board or fiberboards and similar products. A pumpable alkaline slurry of fibrous raw material is conducted through a pressurized tube...
5145010 Method of making mechanical pulp  
Methods for producing mechanical pulp are disclosed including impregnating softwood chips with water and a complexing agent, refining the impregnated chips in a first refining step including a...
5028299 Installation for the continuous-flow production of stabilized chips or particles derived from wood waste  
An installation and an industrial process for the production of stabilized wood particles.The process is characterized by the succession of the following operations: mechanical reduction by a...
4968385 Method of preparing a plup using a fluidizing centrifugal pump during impregnation  
A method of preparing a pulp for digestion in a continuous process from a fiber-containing cellulose material is described. It comprises the following sequential steps: (a) preimpregnating the...
4922989 Treatment of mechanical pulp to remove resin  
Resin is removed from mechanical pulps, such as TMP, CTMP, and the like, in a quick and simple manner. Mechanical pulp at a consistency of about 7-20 percent (preferably 8-15 percent) is subjected...
4869783 High-yield chemical pulping  
A chemical pulping process is disclosed wherein wood chips are partially defiberized such that the fibers in the chips are substantially separated from one another but sufficient interfiber bonding...
4869782 Method of producing high bulking anfractuous cellulosic fiber using anhydrous liquid ammonia  
Anfractuous cellulose fibers exhibiting exceptional high bulking properties are produced by treatment of dry hammermilled wood cellulose fibers with anhydrous liquid ammonia at substantially...
4857145 Process for making a pulp from bamboo  
Bamboo can be formed into a suitable pulp if prior to digestion it undergoes a process of shredding, washing and wet depithing. The fibers are then chemically digested preferably by a process which...
4838995 Process for bleaching cellulose pulp, a plant for preforming said process, and a screw press for use with said process and plant  
For bleaching cellulose pulp or a fraction thereof, e.g. reject pulp, the cellulose pulp or fraction, having a concentration of 0.5-10%, preferably 3-6%, is introduced into a screw press comprising...
Matches 1 - 50 out of 91 1 2 >