Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materials; Regeneration of pulping liquors; Apparatus therefor › D21C 1 - Pretreatment of the finely-divided materials before digesting
Patents for D21C 1 - Pretreatment of the finely-divided materials before digesting (1,872)
12/2012
12/04/2012US8323931 Hosts and fermentation processes for cellulase production
11/2012
11/28/2012CN102162198B Multienzyme complex preparation and preparation method and application thereof
11/22/2012WO2012158075A1 Compact process for producing prehydrolyzed pulp
11/22/2012WO2012155240A1 Removal of enzyme inhibitors during enzymatic hydrolysis of lignocellulosic feedstock
11/22/2012CA2837277A1 Compact process for producing prehydrolyzed pulp
11/21/2012CN102181956B Short linen viscose fiber and preparation method thereof
11/21/2012CN101721834B Treatment method of waste gas generated by prehydrolysis of bamboo dissolving pulp
11/15/2012US20120285639 Funtionalizing Cellulosic and Lignocellulosic Materials
11/14/2012CN101914861B Method for producing milk facial tissue
11/14/2012CN101864683B Pretreatment method of wood fiber raw materials
11/14/2012CN101498109B Stock preparation method before paper pulp making from oil palm empty fruit bunch
11/08/2012CA2806873A1 Lignin production from lignocellulosic biomass
10/2012
10/31/2012EP2516660A2 Pre-treatment of cellulosic material
10/31/2012CN101451319B Low brightness pulp prepared by ammonium sulfite steam cooking straw raw material, preparation method thereof and use thereof
10/24/2012CN102753752A Paper filler composition
10/17/2012EP2510150A1 Novel method for processing lignocellulose containing material
10/17/2012CN101748630B Acid-free pre-hydrolysis enzymolysis-free method for preparing bamboo pulp of Dendrocalamus giganteus Munro series
10/16/2012CA2681282C System and method for drying and torrefaction
10/10/2012EP2507430A1 Improved methods of treating a biomass for enzymatic hydrolysis
10/10/2012CN102720083A Method for pretreating biomass by ball milling coupled with microwave
10/04/2012WO2012134358A1 Method and arrangement for adding treatment liquors to cellulose material in a down flow vessel
10/04/2012WO2012131665A1 Lignocellulose processing
10/03/2012CN101654882B Pulping process of grass fibers
10/03/2012CN101649567B Grass fiber pulping process
10/03/2012CN101613970B Method for preparing bagasse dissolving pulp and pre-extracting hemicellulose and product thereof
10/03/2012CN101565907B Bagasse alkaline pulping method by pre-extracting hemicellulose and product thereof
09/2012
09/27/2012WO2012128901A1 Vapor phase hydrolysis vessel and methods related thereto
09/27/2012WO2012126109A1 Method for introducing cellulase enzyme to lignocellulosic feedstock slurry
09/27/2012WO2012126099A1 Compositions comprising lignocellulosic biomass and organic solvent
09/27/2012CA2830008A1 Vapor phase hydrolysis vessel and methods related thereto
09/27/2012CA2829413A1 Compositions comprising lignocellulosic biomass and organic solvent
09/27/2012CA2826482A1 Method for introducing cellulase enzyme to lignocellulosic feedstock slurry
09/26/2012CN102691221A Material preparation technology applied in preparation of dissolving pulp by modifying bleached wood pulp
09/26/2012CN101962919B Novel catalytic reactor method for manufacturer-grade paper pulp, native lignin and single cell protein
09/20/2012WO2012125057A1 Process for processing fibrous material
09/19/2012EP2500466A1 Method and process for the pretreatment of lignocellulosic biomass
09/19/2012CN102677504A Manufacturing process of antibacterial bamboo pulp used for high-wet-modulus fibre
09/19/2012CN102677501A Material preparation process suitable for preparing dissolving pulp by modifying natural color unblenched needlebush and broadleaf wood composite paper pulp
09/19/2012CN102677500A Material preparation process suitable for utilizing unbleached wood pulp to prepare dissolving pulp in modified mode
09/19/2012CN102677496A Material preparation process for preparing dissolving pulp by modifying bleached bamboo-wood composite pulp
09/19/2012CN102677495A Material preparation process suitable for preparing dissolving pulp by modifying bleached bamboo paper pulp
09/18/2012US8268124 Method for production of pulp
09/12/2012CN102666865A Pre-treatment of cellulosic material
09/07/2012WO2011154847A3 Methods for manufacturing paper fibers and bioethanol from lignocellulosic biomass
08/2012
08/30/2012WO2012115812A1 Method and apparatus to produce pulp using pre- hydrolysis and kraft cooking
08/30/2012CA2827976A1 Method and apparatus to produce pulp using pre-hydrolysis and kraft cooking
08/29/2012CN102154907B Bamboo pulping method
08/23/2012WO2012047832A3 Process for the production of alcohols from biomass
08/16/2012WO2012071312A3 Continuously fed biomass pretreatment process for a packed bed reactor
08/15/2012EP1546450B1 Method of deresinating pulp using alkyl alcohol alkoxylate surfactants
08/15/2012CN102639785A Method and arrangement for adding treatment liquors to cellulose raw material in a continuous process using down flow vessels
08/14/2012CA2550311C Device and methodology for improved mixing of liquids and solids
08/08/2012CN101824763B System for cooking purified cottons
08/02/2012US20120193049 Method for processing lignocellulose material
08/02/2012US20120193046 Biomass pretreatment
08/01/2012EP1713825B1 Polypeptides having cellulolytic enhancing activity and polynucleotides encoding same
08/01/2012CN102619125A Sulfate paper pulp for producing three-filtration paper and production method for sulfate paper pulp
08/01/2012CA2766368A1 Recovery of dissolved organics from lignocellulosic solutions
07/2012
07/25/2012CN102605667A Chinese yew pulp and preparation method thereof
07/19/2012WO2012071308A3 Biomass pretreatment process for a packed bed reactor
07/19/2012US20120180962 Apparatus and process for treatment of fibers
07/11/2012CN102575422A High temperature lignin separation process
07/11/2012CN102154912B Continuous preparation method of organic fiber pulp
07/11/2012CN101586314B Mechanical method for making pulp by extruding sunflower stems
07/05/2012US20120168102 Pulping process for quality protection including methods for hemicellulose extraction and treatment of hemicellulose-extracted lignocellulosic materials
07/04/2012CN102549213A Method and apparatus for the heat treatment of a cellulosic feedstock upstream of hydrolysis
07/04/2012CN102535237A Sulfate pulping method of broadleaf wood compressed wood chip
07/04/2012CN102535236A Deciduous wood P-RC APMP (pre-conditioning refiner chemical pretreatment alkaline peroxide mechanical pulp) pulping process using magnesium alkali
07/04/2012CN102535217A Improved new bleached chemithermomechanical pulp (BCTMP) process
07/03/2012US8211665 Polypeptides having xylanase activity and polynucleotides encoding same
06/2012
06/28/2012US20120161060 Method for Treating Lignocellulosic Parts
06/27/2012EP2467533A1 Method and arrangement for adding treatment liquors to cellulose raw material in a continuous process using down flow vessels
06/27/2012EP2467532A1 Method for producing ethanol and co-products from cellulosic biomass
06/27/2012CN102517968A Method for preparing dissolving pulp used for viscose fiber by using mulberry twig stem core
06/27/2012CN102517967A Preparation method for taxus chinensis fibre pulp
06/26/2012CA2526406C Chemimechanical desilication of nonwood plant materials
06/20/2012CN102505553A Process for producing directly mold-pressed fiber board
06/19/2012US8202716 Thermophilic and thermoacidophilic biopolymer-degrading genes and enzymes from alicyclobacillus acidocaldarius and related organisms, methods
06/14/2012WO2012078656A1 Methods of hydrolyzing oligomers in hemicellulosic liquor
06/13/2012CN102493257A Masson pine dissolving pulp and production method thereof
06/13/2012CN102493256A Eucalyptus dissolving pulp and production method thereof
06/12/2012US8198261 Thermally modified microbial-derived cellulose for in vivo implantation
06/07/2012US20120138246 Method and apparatus for conversion of cellulosic material to ethanol
05/2012
05/31/2012US20120136146 Process for the production of microfibrillated cellulose and produced microfibrillated cellulose
05/31/2012US20120135506 Process for producing microfibrillated cellulose
05/30/2012CN101929088B Waste paper pulping method
05/24/2012US20120125550 Apparatus and process for treatment of fibers
05/23/2012EP2454410A1 Method and apparatus for the heat treatment of a cellulosic feedstock upstream of hydrolysis
05/23/2012EP2454409A1 High temperature lignin separation process
05/23/2012CN101736626B Paper-making pulping method
05/23/2012CN101379242B Method for recovering hydrolysis products
05/22/2012US8182650 Modified Kraft fibers
05/22/2012CA2721612C Processes for preparing mechanical pulps having high brightness
05/18/2012CA2817297A1 Ionic liquid recovery and purification in biomass treatment processes
05/17/2012US20120118518 Method for manufacturing papermaking pulp
05/16/2012CN102454127A Surface cationization modifying method for inorganic fiber applied to papermaking
05/10/2012US20120111515 Method and device for thermal hydrolysis and steam explosion of biomass
05/10/2012US20120111514 Bagasse fractionation for cellulosic ethanol and chemical production
05/10/2012US20120111513 Arrangement and method for the continuous steam pre-treatment of chips during the production of cellulose pulp
05/01/2012US8168041 Device for diluting shredded cellulosic particles/chips
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