Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 2,218

Document Document Title
WO/2006/129906A1
The present invention relates to a method for producing mechanical pulp from stalks of corn, an annual plant. Pulping and bleaching are performed simultaneously by adding a salt compound selected from a group consisting of sodium carbona...  
WO/2006/128304A1
A continuous process for treating a lignocellulosic feedstock is provided. This method comprises pretreating the lignocellulosic feedstock under pressure in a pretreatment reactor at a pH between about 0.4 and about 2.0. One or more than...  
WO/2006/126983A1
The present invention relates to methods and compositions for chlorine dioxide delignification and/or bleaching processes by reacting pulp with chlorine dioxide and a peroxidase and/or a laccase.  
WO/2006/121634A3
An omnibus process of pulping and bleaching lignocellulosic materials in which a charge of a lignocellulosic material is biopulped and/or water extracted prior to pulping and bleaching. The lignocellulosic material may be mechanically pu...  
WO/2006/117295A1
The invention proposes an installation (10) in which the impregnation and fractionation of the raw material (MP) are conducted at atmospheric pressure, characterized in that it comprises means (18, 20) for transferring the raw material (...  
WO/2006/116126A2
Methods for using ionic liquids to extract and separate a biopolymer from a biomass containing the biopolymer are disclosed. Methods for dissolving a biopolymer in an ionic liquid are also disclosed. A recovery solvent is used to reduce ...  
WO/2006/115310A1
Disclosed is a process for producing pulp utilizing bamboo, comprising finely cutting the bamboo into short segments and subjecting the cut bamboo to screening and washing processes to thereby produce dissolving pulp capable of achieving...  
WO/2006/116126A3
Methods for using ionic liquids to extract and separate a biopolymer from a biomass containing the biopolymer are disclosed. Methods for dissolving a biopolymer in an ionic liquid are also disclosed. A recovery solvent is used to reduce ...  
WO/2006/111604A1
The objective of this invention is a method for separating cellulosic fibres, hemicellulose and lignin from parts of plants containing these, such as stems, leaves and seed coats or hulls of cereal, oilseed, fibre or grassy plants. After...  
WO/2006/113519A2
A method of sizing paper for use in applications which require resistance to liquids comprising incorporating in the paper a size composition comprising one or more alkenyl succinic anhydride (ASA) compounds prepared from the reaction of...  
WO2006086861A3
The present invention relates to an enhanced process for sugar production through the acid hydrolysis of cellulosic and lignocellulosic materials characterized by the treatment of these materials in three steps. In the first step, it is ...  
WO/2006/104448A1
A thermostable, alkaline active xylanase was purified from an alkaliphilic Bacillus halodurans S7, isolated from a soda lake in the Ethiopian Rift Valley. The molecular weight and the pi of this enzyme were around 43 kDa and 4.5, respect...  
WO/2006/103317A1
The invention relates to an improved process to break down lignin macromolecules and liberating cellulose fibers in lignocellulosic material using delignifying reactants with a gaseous organic agent as a heating and reaction-accelerating...  
WO/2006/101449A1
The invention concerns a method and an arrangement for the feed of a chips suspension from one vessel to a subsequent digester in a continuous cooking process for the production of chemical cellulose pulp, where the vessel (101) has an i...  
WO/2006/099029A2
A oxidative solution (Ox-B, a solution of no less than 5:1 sodium hypochlorite: hydrogen peroxide) was found to remove both lignin and hemicellulose from sugarcane bagasse. After treatment the cellulosic residue readily separated from th...  
WO/2006/088818A1
Methods are provided for altering the tack of an adhesive material by contacting the adhesive material with an amount of a cyclodextrin compound effective to reduce the tack of the adhesive material. In a preferred embodiment, the method...  
WO/2006/086861A2
The present invention relates to an enhanced process for sugar production through the acid hydrolysis of cellulosic and lignocellulosic materials characterized by the treatment of these materials in three steps. In the first step, it is ...  
WO/2006/083605A3
A method and kit for rice fiber extraction is provided. In an exemplary embodiment, the method may include treating rice straw with an alkali solution such as a sodium hydroxide solution. Further, the method may include extracting coarse...  
WO/2006/072653A1
The quality of the raw material in a pulping process, wood chips, varies due to variations in its origin. The variation in chip quality will result in variations in the cooked pulp as well as problems in the operation of a digester. The ...  
WO/2006/053939A1
The present invention describes a new method and associated devices for the fabrication of pulp from wood, and other cellulose containing natural materials. The fabrication is fast, environmentally friendly, and economical. Process can b...  
WO/2006/047713A2
The present invention provides methods and compositions for chlorine dioxide delignification and/or bleaching processes using exo-acting xylanases and/or exo-acting mannanases.  
WO/2006/037860A1
A process and an apparatus for producing pulp from lignocellulosic material by an alkaline cooking process, in which process preheated chips are treated in an impregnation stage with impregnation liquor, which is taken from the impregnat...  
WO/2006/029552A1
The present invention relates to a method for manufacturing paper pulp, comprising the following steps of physical smashing and biological degrading. Specifically, in the method, physical smashing is carried out by means of cracking, hig...  
WO/2006/024242A1
By means of the continuous pressure hydrolysis of lignocellulose material and subsequent enzymatic hydrolysis of solid unhydrolysed residues is obtained glucose, to which starch raw materials are added and all of which undergoes amylolyt...  
WO/2006/021618A1
The invention relates to a method for adjusting the fibrous properties of chemical, mechanical or chemi-mechanical pulp, for adjusting the uniformity of the properties and for decreasing any variation in quality. According to the method,...  
WO/2006/019342A1
The present invention relate to a two-stage gasification process using a gas generator for the recovery of strongly alkaline chemicals and energy value from a cellulose spent liquor. The temperature in the first reaction zone of the gas ...  
WO/2006/016596A1
A method of obtaining a fibrous ingredient by treating a lignocellulosic material with a microorganism while preventing cellulose and/or hemicellulose, which are major components of paper, from being decomposed by microorganism-produced ...  
WO/2006/012286A1
One aspect of this invention relates to a method and digester for reducing the deposition of calcium-based scale in a wood chip digester including extraction from the digester of first and second quantities of cooking liquor having respe...  
WO/2006/007683A1
Processes and apparatuses for deriving information from liquor obtained in the course of a wood digestion reaction. The information can be used to regulate one or more aspects of the wood digestion reaction either automatically or by com...  
WO/2006/006934A1
The invention concerns a method for the impregnation of chips during the manufacture of chemical pulp, where the chips are continuously fed without preceding steam treatment to the top of an impregnation vessel (101) that maintains atmos...  
WO/2006/001758A1
A method and an arrangement for the impregnation of untreated chips during the manufacture of chemical pulp. The untreated chips are fed without preceding steam treatment into an impregnation vessel (10) that comprises an upper part (11)...  
WO/2005/118950A1
The invention relates to a method for producing a chemical conversion pulp, which comprises the following steps: obtaining a chemical pulp by conventional pulping methods, at least one alkaline pulping step, in which the chemical pulp is...  
WO/2005/118923A1
The invention relates to the use of a chemical conversion pulp that is produced by methods including an acidic bisulfite pulping method and at least one cold alkali refining step and one hot alkali refining step of the chemical pulp, for...  
WO/2005/116327A1
Methods for continuously producing pulp from lignocellulose-containing material in a digester are disclosed in which the porous lignocellulose-containing material is fed from the top to the bottom of the digester, liquor is pumped throug...  
WO/2005/106110A1
A method of producing hardwood pulp is provided. This method comprises treating hardwood chips with one or more than one Family 11 xylanase enzyme in the absence of adding an oxidizing enzyme for about 5 minutes to about 120 minutes, to ...  
WO/2005/103371A1
A process of making bamboo pulp for producing cellulose diacetate is disclosed. The process includes stock preparation, pre-hydrolyzing, digesting, beating, alkali treatment, bleaching, drying, etc. The present process may also used for ...  
WO/2005/103370A1
A method for processing wood chips involves using a combined fungus/enzyme process in which the enzymes are produced in situ. In a first step (300), wood chips are biopulped by treated them with a lignin-degrading fungus. Next (310), the...  
WO/2005/075730A1
The object of the invention is to reduce foaming of black liquor. It is based on observation about the effect of colloidal neutral substances on the separation of soap. According to the method foaming of the black liquor is reduced by ad...  
WO/2005/064075A1
According to the invention, polysulfide is used in the manufacture of kraft pulp in the initial stage of a displacement batch process in order to improve the yield. Polysulfide-containing white liquor is added intermixed with the first l...  
WO/2005/064076A1
The present invention discloses a closed cycle zero discharge oxidizing pulping process. The process includes: (i)forming active oxygen free radicals via an electron reduction reaction with molecular oxygens in an ionic reaction unit ; (...  
WO/2005/064077A1
The present invention discloses a closed cycle zero discharge bio-oxidizing pulping process. The process includes: (i) forming active oxygen free radicals via an electron reduction reaction with molecular oxygens in an ionic reaction uni...  
WO/2005/064078A1
The invention concerns an improved method to sluice chips from a low-pressure section to a high-pressure section with a sluice feeder 53' (a high-pressure feeder). The fluid that is used to expel the chips from the sluice feeder 53' prin...  
WO/2005/052247A1
The present invention relates to a catalyzer for clean pulping and process for using the same. The composition of the catalyzer for clean pulping according to the present invention includes sodium salicylate, anion silicic acid softener,...  
WO2005019526A3
A system for controlling a processor having at least one sampling port connected to a stage of the processor in order to sample a reactant product from the processor. The system includes a controller configured to control a processing pa...  
WO/2005/045126A1
A method is provided for treating black liquor particularly derived from nonwood pulp, by heating with an alkaline earth metal oxide in a toroidal fluidised bed reactor (304) at a temperature of above 650°C. The method may be used alone...  
WO/2005/019526A2
A system for controlling a processor having at least one sampling port connected to a stage of the processor in order to sample a reactant product from the processor. The system includes a controller configured to control a processing pa...  
WO/2005/017001A1
The invention relates to a method for dissolving wood, straw and other natural lignocellulosic materials in an ionic liquid solvent under microwave irradiation and/or under pressure. The invention also relates to the resulting solution a...  
WO/2005/017252A1
A method for the treatment of a lignin-containing material such as wood pulp, bagasse and other plant-derived materials, comprising contacting the lignin-containing material with an ionic liquid to extract the lignin therefrom. The ionic...  
WO/2005/001195A1
A new method for making pulp out of agricultural residue includes harvesting certain portion of plant stalk. The harvested plant stalk is bailed, transported and stored. At the mill, the plant stalk is chopped and goes through pulping pr...  
WO/2004/106624A1
The invention provides for methods for producing pulp (comprising cellulose) and lignin from lignocellulosic material, such as wood chips. The methods involve acid catalyzed hydrolysis. Lignocellulosic material having a relatively high m...  

Matches 301 - 350 out of 2,218