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Matches 51 - 100 out of 1,000

Document Document Title
WO/2012/147094
A method for extraction of black liquor from a horizontal tube continuous digester (8,9) is disclosed. The method comprises of passing a mixture of pulp and black liquor from the horizontal tube continuous digester (8,9) through a screw ...  
WO/2012/147094
A method for extraction of black liquor from a horizontal tube continuous digester (8,9) is disclosed. The method comprises of passing a mixture of pulp and black liquor from the horizontal tube continuous digester (8,9) through a screw ...  
WO/2012/137076
A method and system for pulp manufacturing used in connection with a kraft process includes a vertical pressure vessel operated in batch mode, a single-vessel or multi-vessel continuous digester, and other equipment for further processin...  
WO/2012/135001
Formulations and methods for papermaking are disclosed herein using one or more volatile debonders, where the volatile debonder forms a solution or an emulsion with water in a paper precursor, and where the volatile debonder is evaporabl...  
WO/2012/134358
The invention relates to a method and arrangement for adding treatment liquid to comminuted cellulose material, preferably wood chips, during the manufacture of chemical pulp in a continuous process. Said process using a down flow vessel...  
WO/2012/131665
A method of transforming a lignocellulose material comprises the steps of: a. combining a lignocellulose material with a solution containing hydrogen peroxide and a hydrogen peroxide stabiliser to produce a mixture that is at least 3% by...  
WO/2012/130957
The invention relates to a method for producing a cellulose-containing mass for forming a cellulose-containing composite material comprising following steps: (a) providing an input material comprising at least one cellulose-containing ra...  
WO/2012/128901
A prehydrolysis of wood chips or other lignocellulosic material in a vessel having a gaseous portion and a liquid portion. The vessel includes at least one stress relieving piece that inhibits overcompression of the lignocellulosic mater...  
WO/2012/110231
A method for processing lignocellulose comprises the step of contacting a lignocellulosic substrate with a biphasic liquid system in a reaction vessel, the biphasic liquid system comprising a first, aqueous phase and a second, organic ph...  
WO/2012/110231
A method for processing lignocellulose comprises the step of contacting a lignocellulosic substrate with a biphasic liquid system in a reaction vessel, the biphasic liquid system comprising a first, aqueous phase and a second, organic ph...  
WO/2012/102650
The invention relates to a continuous digester for producing pulp from comminuted cellulosic material. The digester has a cone diverter on a bottom scraper arranged in the bottom of the digester for assisting in out feed of pulp produced...  
WO/2012/085476
The invention relates to a process for the delignification and bleaching of paper pulp, comprising at least one step of bringing the paper pulp into contact with hydrogen peroxide and a molybdenum-based complex of formula (I): in which R...  
WO/2012/088451
A pump control system and a torque control valve are disclosed. In one embodiment, the torque control valve includes a sleeve, a spool disposed in the sleeve, and a piston rod disposed through the spool. The spool has a first recess area...  
WO/2012/087228
The invention discloses a method of controlling a pulping process wherein wood chips are conveyed to an impregnation vessel and/or to a digester where said wood chips are treated with a liquor comprising chemicals. According to the metho...  
WO/2012/080702
The present invention relates to a method for treating a lignocellulose biomass in order to dissolve the lignin therein, while the cellulose does not dissolve. The cellulose pulp obtained can be used to produce glucose. In addition the l...  
WO/2012/074923
The invention pertains to, for example, an improved sorbent and process for removing fermentation inhibitors such as furfural and/or HMF in microbial processes utilizing fermentable sugars obtained from biomass including, for example, in...  
WO/2012/071308
Biomass pretreatment using anhydrous ammonia was found to be effective in a static vessel when the ammonia can penetrate through the biomass particles or pieces in vapor state. To achieve this condition, total system moisture content is ...  
WO/2012/071312
Biomass pretreatment using anhydrous ammonia is effective in a static reactor vessel when the ammonia can penetrate through the biomass particles or pieces in vapor state, and when biomass is continuously fed and moved through the reacto...  
WO/2012/059643
The present invention is directed to a method for fractionating lignocellulosic material and its constituents. In particular, the method according to the present invention concerns dissolution of lignocellulosic material into a switchabl...  
WO/2012/059133
The method is used to recover chemicals, e.g., from wastewater (1) produced in the production of pulp. The wastewater (1) is conducted between ion-selective walls (3, 3'), and at the same time electric current flows through the wastewate...  
WO/2012/061085
A hydrolysis system comprising: (a) a reactor vessel including a sprinkler at an upper portion thereof and a drain; (b) a pump re-circulating a flow of an acidic reaction liquid from a selected height in said vessel to said sprinkler; (c...  
WO/2012/047832
Alcohols useful as fuel compositions are produced from biomass by: contacting the biomass with a cooking liquor containing (i) 1 to 20 wt %, based on the cooking liquor, of sodium hydroxide, (ii) optionally, 0 to 20 wt %, based on the co...  
WO/2012/019305
The present invention relates to a process for the conversion of a lignocellulosic feedstock involving acid pretreatment. The process comprises the steps of treating the lignocellulosic feedstock with alkali at a pH of between about 8.0 ...  
WO/2012/010749
The present invention relates to a method for converting lignocellulosic biomass into sugars, comprising at least three steps. The first step is a step of cooking the lignocellulosic biomass in the presence of at least one hydrated inorg...  
WO/2012/010749
The present invention relates to a method for converting lignocellulosic biomass into sugars, comprising at least three steps. The first step is a step of cooking the lignocellulosic biomass in the presence of at least one hydrated inorg...  
WO/2012/010750
The present invention relates to a method for converting lignocellulosic biomass into sugars, comprising at least three steps. The first step is a step of cooking the lignocellulosic biomass in the presence of at least one hydrated inorg...  
WO/2012/010750
The present invention relates to a method for converting lignocellulosic biomass into sugars, comprising at least three steps. The first step is a step of cooking the lignocellulosic biomass in the presence of at least one hydrated inorg...  
WO/2012/000093
The present disclosure provides an organosolv biorefining process. The present process comprises treating a lignocellulosic biomass in the presence of a solvent and under certain conditions to separate at least a part of the lignin from ...  
WO/2011/161326
The invention describes solutions containing cellulose and a method of dissolving lignocellulosic materials. In the method, the lignocellulosic material is contacted with a conjugate acid, formed by a strong organic base and a weaker aci...  
WO/2011/156708
A method to make pulp adapted for forming a corrugated medium, the method includes: cooking chips in a cooking vessel using a caustic carbonated pulping soda/caustic (SC) cooking liquor injected into the cooking vessel; fiberizing the ch...  
WO/2011/154967
A process of fractionation of biomass using aqueous ammonia for fractionation of biomass into lignin, cellulose and/or hemicellulose is provided herein. The process disclosed in the present invention is recovers lignin, cellulose and hem...  
WO/2011/150436
The present invention relates to a process for obtaining high-value products from lignocellulosic material, especially wood, comprising the steps of a) preliminary hydrolysis of the lignocellulosic material, b) removal of at least a port...  
WO/2011/138633
A method for pulp processing includes a cold caustic extraction stage in which the spent cold caustic solution and the spent liquid used to wash the extracted pulp are concentrated by an evaporation system. The concentrated liquid can be...  
WO/2011/138356
The present invention relates to a process for preparing synthesis gas and at least one organic, liquid or liquefiable value product, by a) providing a biomass starting material, b) subjecting the biomass starting material to digestion, ...  
WO/2011/138355
The present invention relates to an integrated method for producing pulp and at least one organic liquid or liquefiable valuable material, in which a) a lignocellulosic starting material is prepared and subjected to disruption with an aq...  
WO/2011/138634
A method for pulp processing used in connection with a pre-hydrolysis kraft process (PHKP) includes adding wood chips or similar material to a reaction vessel, performing pre-hydrolysis, and neutralizing the mixture with a first quantity...  
WO/2011/134746
Novel compositions containing (A) organopolysiloxanes having a viscosity of 10 - 350 mm2/s at 25°C and 1013 hPa, (B) organopolysiloxanes having a viscosity of 500 - 200 000 mm2/s at 25°C and 1013 hPa, (C) precipitated silicas having a ...  
WO/2011/127999
The invention relates to a process for producing fibrous material and to a fibrous material from wood having a lignin content of at least 15% for softwood and of at least 12% for hardwood, based in each case on the oven-dry fibre mass, w...  
WO/2011/128481
The invention relates to a method for exploiting stubble, comprising a previous phase of conditioning the stubble, involving the operations of harvesting and parching by separating the straw and the seed plants; obtaining two fractions r...  
WO/2011/128481
The invention relates to a method for exploiting stubble, comprising a previous phase of conditioning the stubble, involving the operations of harvesting and parching by separating the straw and the seed plants; obtaining two fractions r...  
WO/2011/126613
In accordance with certain embodiments of the present disclosure, a method of decreasing the amount of oxidizer required by a pulping or papermaking process is provided. The method comprises adding to a process stream or solution of the ...  
WO/2011/126613
In accordance with certain embodiments of the present disclosure, a method of decreasing the amount of oxidizer required by a pulping or papermaking process is provided. The method comprises adding to a process stream or solution of the ...  
WO/2011/113119
The present invention relates to an improved process for producing chemical cellulose pulp wherein biopolymers are added immediately before, during or after a bleaching step, depending on pulp characteristics and on process conditions us...  
WO/2011/114004
The invention relates to a process for fibrillating lignocellulosic material wherein the process comprises treating lignocellulosic material with ionic liquid and recovering basically intact fibres of said lignocellulosic material. Anoth...  
WO/2011/113126
The present invention relates to an improved process for producing chemical cellulose pulp wherein biopolymers are added immediately before, during or after a bleaching step, depending on pulp characteristics and on process conditions us...  
WO/2011/113126
The present invention relates to an improved process for producing chemical cellulose pulp wherein biopolymers are added immediately before, during or after a bleaching step, depending on pulp characteristics and on process conditions us...  
WO/2011/113329
A circular utilization method of straw in a pulping and papermaking processes comprises the following steps of: obtaining straw raw material for pulping and its waste through stock preparation; obtaining primary pulp by digesting the str...  
WO/2011/112703
The invention provides a method of improving the digestion of wood chips into pulp. The method involves: adding a liphohydrophilic glycerol-based polymer additive to a solution used in the digestion process. This additive is unexpectedly...  
WO/2011/112703
The invention provides a method of improving the digestion of wood chips into pulp. The method involves: adding a liphohydrophilic glycerol-based polymer additive to a solution used in the digestion process. This additive is unexpectedly...  
WO/2011/104196
The invention relates to a method for deaerating liquids which contain at least 50% by weight, in particular 70% by weight, of water by adding to these liquids 0.00001 to 1.0% by weight of polyoxyalkylenes of the formula R-[O-CH2-CH(CH3)...  

Matches 51 - 100 out of 1,000