Patents for D21C 3 - Pulping cellulose-containing materials (5,020)
02/2014
02/12/2014CN102444047B Method for preparing high-viscosity bagasse pulp by using oxygen and alkali cooking and ozone bleaching
02/12/2014CN102245830B Method for producing fibrous semifinished product from cellulose-containing materials and line for implementing same
02/11/2014US8647469 Method, system and withdrawal screen section for impregnating chips
02/06/2014WO2014019589A1 Methods of processing lignocellulosic biomass using single-stage autohydrolysis and enzymatic hydrolysis with c5 bypass and post-hydrolysis.
02/05/2014CN103556518A Sugarcane-leaf and/or sugarcane-tip processed product as well as preparation method and application thereof
02/05/2014CN103556517A Method for improving oxygen-alkali pulping effect through laccase pretreatment
02/05/2014CN103556516A Preparation method of lignocellulose for titanium white
02/05/2014CN103554276A Technological process for extracting starch, cellulose and general flavone in root of kudzu vine by use of organic membrane
02/05/2014CN103554274A Preparation method of bagasse pith oxidized cellulose
02/05/2014CN102535238B Method for degrading rice straws by using oxalic acid and Mn2+ for accelerating catalysis of compound enzyme
02/04/2014US8641869 Method for making biodegradable superabsorbent particles
02/04/2014CA2529228C A novel catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein
01/2014
01/23/2014US20140024093 Process for the production of digested biomass useful for chemicals and biofuels
01/22/2014EP2686478A1 Vapor phase hydrolysis vessel and methods related thereto
01/22/2014CN103534407A Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester
01/22/2014CN103534406A Method and arrangement for adding treatment liquors to cellulose material in a down flow vessel
01/22/2014CN103526624A Method for preparing microcrystalline cellulose and reaction equipment of microcrystalline cellulose
01/22/2014CN103526623A Method for improving soda-oxygen pulping process effect through xylanase pretreatment
01/22/2014CN102337687B Novel pulping process for obtaining high performance fiber at high yield from plants
01/16/2014WO2013177487A3 Method of producing pulp using oxalic acid
01/15/2014CN103518017A Method for producing cellulose-containing mass for producing composite material
01/15/2014CN103510418A New process for black liquor free chemical preparation of pulp
01/15/2014CN102517968B Method for preparing dissolving pulp used for viscose fiber by using mulberry twig stem core
01/09/2014WO2013171248A3 Method for treating and separating mixed cellulose-plastic products
01/09/2014WO2013162422A3 Method for obtaining cellulose and a solution of low-molecular-weight oxidation products from biomass (embodiments)
01/08/2014CN103498381A Pineapple fiber pulp and preparation method thereof
01/08/2014CN103498375A Method for pulping by broussonetia papyrifera white-bark
01/07/2014US8623175 Process for the conversion of lignocellulosic solutions containing a high proportion of dry material
01/06/2014CA2819540A1 Vapor relief screen cleaning brush
01/03/2014WO2014004867A1 Methods for hydrothermal digestion of cellulosic biomass solids in the presence of a distributed slurry catalyst
01/03/2014WO2014004859A1 Methods for hydrothermal digestion of cellulosic biomass solids in the presence of a slurry catalyst and a digestible filter aid
01/03/2014WO2014004842A1 Biomass conversion systems providing integrated stabilization of a hydrolysate using a slurry catalyst and methods for use thereof
01/03/2014WO2014000420A1 Chemical pulping method
01/03/2014CA2877756A1 Chemical pulping method
01/03/2014CA2877508A1 Methods for hydrothermal digestion of cellulosic biomass solids in the presence of a distributed slurry catalyst
01/03/2014CA2877497A1 Biomass conversion systems providing integrated stabilization of a hydrolysate using a slurry catalyst and methods for use thereof
01/03/2014CA2877489A1 Methods for hydrothermal digestion of cellulosic biomass solids in the presence of a slurry catalyst and a digestible filter aid
12/2013
12/25/2013EP2142348B1 Method for the production of bleached wood particles and wood materials ranging from light-toned to white
12/25/2013CN102174765B Technological process for making Lian-si paper by using moso bamboo
12/19/2013WO2013188401A1 Process for producing energy from lignin
12/18/2013EP2454409B1 High temperature lignin separation process
12/18/2013CN103451986A Method for preprocessing lignocellulose raw materials for biorefinery
12/17/2013US8609379 Process for the production of alcohols from biomass
12/12/2013WO2013184605A1 Methods of preserving starch in pulp and controlling calcium precipitation and/or scaling
12/12/2013CA2875663A1 Methods of preserving starch in pulp and controlling calcium precipitation and/or scaling
12/11/2013EP2672005A1 High Yield and Enhanced Performance Fiber
12/11/2013EP2672004A1 High Yield and Enhanced Performance Fiber
12/11/2013CN102191715B Preparation method for achnatherum splendens pulp
12/10/2013US8603295 Separation of reactive cellulose from lignocellulosic biomass with high lignin content
12/05/2013WO2013178608A1 New process and a dissolving pulp manufactured by the process
12/05/2013CA2874901A1 New process and dissolving pulp manufactured by the process
12/04/2013CN103429813A Vapor phase hydrolysis vessel and methods related thereto
12/04/2013CN103422380A Needlebush high-yield slurrying method
12/04/2013CN102016165B Feeding system comprising parallel pumps for a continuous digester
11/2013
11/27/2013CN103410036A Production method for high-yield hardwood pulp
11/27/2013CN102363927B Clepulp preparation process for high-whiteness and high-strength chemical straw pulp
11/27/2013CN101880981B Method for making pulp
11/26/2013US8591982 Highly refined fiber mass, process of their manufacture and products containing the fibers
11/26/2013US8591702 Increasing alkaline pulping yield for softwood with metal ions
11/21/2013WO2013173576A1 Methods and systems for processing biomass material
11/21/2013US20130310489 Process for providing and processing natural fibres
11/21/2013US20130306256 High Yield and Enhanced Performance Fiber
11/20/2013EP2212469B1 Process for defibering a fibrous raw-material
11/20/2013CN103396572A Lignocellulose nano-fiber/acrylic resin composite film preparation method
11/20/2013CN103396571A Cellulose nano-fiber/polymethyl methacrylate composite film preparation method
11/20/2013CN101790611B A process for separating biomass components
11/20/2013CN101674733B Method of preparing more digestible animal feed
11/19/2013US8586349 Moving droplet diagnostic assay
11/19/2013US8585863 Separation of lignin from hydrolyzate
11/19/2013CA2607827C Chlorine dioxide treatment compositions and processes
11/13/2013CN203281079U Vacuum degasifier
11/13/2013CN103388273A Method for preparing nanometer hydrophobic paper by utilizing corrugated paper/nanometer titanium dioxide
11/07/2013WO2013165968A1 Processes for producing animal feed from biomass
11/07/2013US20130296545 Process for producing a pulp
11/07/2013US20130292070 Procedure for obtaining nanofibrillated cellulose from recovered paper
11/06/2013CN103382671A Clean pulping technology for high-polymerization-degree bamboo pulp
11/06/2013CN101535561B Method and composition for improving fiber quality and process efficiency in mechanical pulping
10/2013
10/31/2013WO2013041674A3 Process for processing a lignocellulosic material by dilute acid pretreatment
10/30/2013EP2655731A1 A method of controlling a pulping process in a feed-forward manner
10/30/2013CN103374861A Production process of environmental-friendly healthful household paper
10/30/2013CN102392377B Electrocatalysis oxidation pulping method for purified cotton and production system equipment
10/24/2013WO2013158384A1 The use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products
10/24/2013US20130276999 Fruit fiber processing system and method
10/23/2013EP2652193A2 Treatment
10/23/2013CN103370469A Treatment method
10/23/2013CN103362021A Plant-modified fibril and preparation technology thereof
10/23/2013CN103362009A Rapid-growth poplar sodium hydroxide anthraquinone pulp biochemical method TCF bleaching process
10/17/2013WO2013153203A1 Pretreatment of lignocellulosic biomass and recovery of substituents using natural deep eutectic solvents/compound mixtures with low transition temperatures
10/16/2013CN103352385A Energy-saving and environment-friendly displacement cooking process for wood and bamboo raw materials
10/16/2013CN102337689B Stewing method for preparing bamboo wood dissolving pulp
10/16/2013CN102337684B Vapor pre-hydrolysis technique for material slice of bamboo wood dissolving pulp
10/16/2013CN102154872B Process method for cooking phloem
10/15/2013CA2769746C Production of fermentable sugars and lignin from biomass using supercritical fluids
10/15/2013CA2650913C Method and apparatus for conveying a cellulosic feedstock
10/09/2013CN103343469A Cellulose ether super-multi-chain-link purified cotton producing technology
10/03/2013WO2013144446A1 A method and a system for isolating xylan from plant material, as well as xylan, calcium carbonate, and cellulose fibre
10/03/2013WO2013143047A1 Preparation process of eucalyptus dissolving pulp
10/02/2013EP2643517A2 Continuously fed biomass pretreatment process for a packed bed reactor
10/02/2013CN102493244B Auxiliaries-added replacement cooking process of bamboo materials
10/01/2013US8545673 Process for recovering molybdate or tungstate from aqueous solutions
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