Patents for D21C 3 - Pulping cellulose-containing materials (5,020)
09/2014
09/18/2014WO2014140643A1 Treatment
09/17/2014EP2776620A1 Use of carbonium ion scavengers in the treatment of lignocellulosic biomass
09/16/2014US8834675 Liquid composition sensor in scaling environment
09/16/2014US8834633 Pre-treatment of cellulosic material
09/16/2014CA2823305C Methods of processing biomass comprising electron-beam radiation
09/10/2014EP2773725A1 Method for removal of toxic waste from timber
09/04/2014WO2014132056A1 Process operations for biomass fractionation
09/04/2014WO2014132055A1 Biomass process optimisation
09/04/2014US20140246158 Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method
08/2014
08/26/2014CA2631767C Process for producing chemi-mechanical pulp
08/21/2014WO2014126471A1 Process for the treatment of lignocellulosic biomass
08/14/2014US20140227742 C1-C2 Organic Acid Treatment of Lignocellulosic Biomass to Produce Acylated Cellulose Pulp, Hemicellulose, Lignin and Sugars and Fermentation of the Sugars
08/14/2014US20140224441 Feeding system having pumps in parallel for a continuous digester
08/13/2014CN103981754A 一种竹纤维驱、灭蚊虫药片及其制备方法 One kind of bamboo fiber flooding, destroy mosquito tablets and its preparation method
08/13/2014CN103981753A 一种混合阔叶木的制浆方法 A mixed hardwood pulping process
08/13/2014CN103981749A 芦苇浆粕制备微晶纤维素的方法 Preparation method of the reed pulp microcrystalline cellulose
08/06/2014EP2761082A1 Method for preparing nonwood fiber paper
08/06/2014CN103966890A 造纸工艺 Paper-making process
08/06/2014CN103362009B 一种速生杨的氢氧化钠蒽醌浆生物化学法tcf漂白工艺 One kind of sodium anthraquinone Poplar biochemical methods tcf pulp bleaching process
08/06/2014CN103352385B 一种木、竹原料节能环保置换蒸煮工艺 One kind of wood, bamboo raw energy saving replacement cooking process
08/05/2014US8795469 Method for preparing nonwood fiber paper
08/05/2014US8795468 Method and system for impregnating chips
08/05/2014CA2610797C Method of continuous processing of lignocellulosic feedstocks
07/2014
07/31/2014WO2014113884A1 Process for isolating cellulose from cellulosic biomass, isolated cellulose of type i and composite materials comprising same
07/30/2014EP2758590A1 Device and method for hydrothermally pulping dried, lignified lignocellulosic biomass
07/30/2014CN103952942A 一种以沙柳为原料封闭循环制备植物成型用浆的方法 Salix is ​​a kind of raw material preparation plant closed cycle pulp molding method
07/30/2014CN103952941A 一种利用蒜皮制造纸浆的方法 A method of manufacturing pulp using garlic skin
07/30/2014CN103952937A 一种改性造纸级木浆生产工艺 A modified paper grade pulp production process
07/29/2014CA2744522C Biomass decomposition apparatus and method thereof, and sugar-solution production system using biomass material
07/25/2014CA2803863A1 Cellulose extraction process
07/23/2014CN203729137U 一种微晶纤维反应装置 One kind of microcrystalline cellulose reactor
07/23/2014CN102713054B 对连续蒸煮器中的蒸煮完成之后的洗涤步骤进行改进的方法和装置 Methods and apparatus for the washing step in a continuous digester cooking after completion of the improvement
07/16/2014CN103924475A 一种利用禾本科秸秆制备本色纸浆的方法 A use of grassy qualities of straw pulp preparation method
07/16/2014CN103924470A 一种提高纸浆白度的本色纸浆生产方法 A method to improve the qualities of pulp production pulp whiteness
07/16/2014CN103924469A 脱除木质素的方法 Method delignified
07/16/2014CN103924468A 一种木质纤维素原料组分分离的方法 A method of separating components of lignocellulosic feedstock
07/16/2014CN102817263B 一种特高粘度精制棉的制备方法 One kind of ultra-high viscosity refined cotton production method
07/15/2014US8778135 Circular utilization method in pulping and papermaking processes with straw
07/09/2014EP2751333A1 Pulping processes
07/09/2014EP2751332A1 Articles of manufacture made from pulp composition
07/09/2014EP2751331A1 Kraft cooking method using polysulfide cooking liquor
07/09/2014CN103911894A 一种书画纸新制浆方法 One kind of new painting paper pulping methods
07/09/2014CN102720084B 本色竹纸浆与漂白木纸浆复合改性为溶解浆的蒸煮工艺 Qualities of bamboo pulp and bleached wood pulp composite modified for dissolving pulp cooking process
07/09/2014CN102182090B 一种纸浆与棉短绒的复合浆粕及其制备方法 A pulp and cotton linters pulp complex and its preparation method
07/08/2014US8771465 Raw Paper
07/03/2014WO2014105997A1 Process for producing purified cellulose
07/03/2014WO2014105610A1 Methods for recovering and recycling salt byproducts in biorefinery processes
07/03/2014WO2014105601A1 Biorefining processes and apparatus for separating cellulose, hemicellulose, and lignin from biomass
07/03/2014WO2014101867A1 Ultrahigh-viscosity refined cotton production technology and dry conveyance apparatus for cotton pulp of refined cotton
07/03/2014US20140186899 Biomass fractionation processes employing sulfur dioxide
07/02/2014EP2748327A2 Process for processing a lignocellulosic material by dilute acid pretreatment
07/02/2014CN103898802A 一种透明纤维素薄膜及其制备方法 A transparent cellulose film and its preparation method
07/02/2014CN103898787A 一种生物质原料的综合利用工艺 A comprehensive utilization of raw materials craft materials
07/02/2014CN103898786A 一种生物质原料的综合利用工艺 A comprehensive utilization of raw materials craft materials
07/02/2014CN103898785A 一种生物质原料的综合利用工艺 A comprehensive utilization of raw materials craft materials
07/02/2014CN103898784A 一种生物质原料的综合利用工艺 A comprehensive utilization of raw materials craft materials
07/02/2014CN103898783A 一种由生物质原料制备纸浆的工艺 A pulp produced from biomass feedstock process
07/02/2014CN103898782A 一种从生物质原料中提取纤维素的工艺 The process of extracting cellulose from biomass feedstock
07/02/2014CN103898781A 一种生檀皮加工工艺 One kind of raw Tan Piga process
07/02/2014CN103898780A 生物质处理方法 Biomass processing method
07/02/2014CN101678557B 生产漂白的木材颗粒和浅色至白色木料的方法 Production of bleached wood particles and methods of light-colored to white wood
07/01/2014US8764942 Methods of preserving starch in pulp and controlling calcium precipitation and/or scaling
06/2014
06/26/2014WO2014094104A1 Processes for recovery of derivatives of native lignin
06/26/2014US20140174680 Pulping processes
06/25/2014CN103890265A 一种用于制备非木质纤维纸的方法 A method of preparing non-woody fibrous sheet for
06/25/2014CN103882753A 一种造纸蒸煮助剂的制备原料及方法 A papermaking raw materials and cooking aids preparation method
06/25/2014CN103882752A 一种宣纸浆的清洁生产方法 A cleaner production methods pulp Vision
06/24/2014US8758557 Process for producing fibrous material from wood
06/24/2014US8758556 Composition for inhibiting calcium salt scale formation
06/24/2014US8758555 Method of producing cellulose pulp
06/19/2014WO2014090609A1 Use of sodium dithionite in a cellulose pulping process
06/19/2014US20140170713 Biomass fractionation processes, apparatus, and products produced therefrom
06/19/2014US20140166221 Recyclable buffer for the hydrothermal hydrocatalytic treatment of biomass
06/18/2014CN103866647A Color water-absorbing interleaving paper production process
06/18/2014CN102704296B Process for pretreating straw raw materials
06/18/2014CN102677509B Material preparation process for preparing dissolving pulp by modifying bleached needle leave wood and broadleaf wood composite pulp
06/18/2014CN102677508B Cooking process for carrying out composite modification on natural color bamboo paper pulp and natural color wood pulp to form dissolving pulp
06/18/2014CN102677507B Cooking process for carrying out composite modification on natural color bamboo paper pulp and cotton paper pulp to form dissolving pulp
06/18/2014CN102677506B Cooking process for carrying out composite modification on bleached bamboo paper pulp and natural color wood pulp to form dissolving pulp
06/18/2014CN102677505B Steaming process for modifying bleaching bamboo paper pulp and bleaching wood paper pulp into dissolving pulp in compound way
06/18/2014CN102605661B Cooking auxiliary agent for pulping by sulphate process
06/18/2014CN102561092B Anti-rust base paper and production method thereof
06/18/2014CN101597876B New technique of starch addition used for improving paper strength
06/18/2014CN101597875B New technique for improving paper strength by joint gelatinization of starch and pulp
06/12/2014US20140158315 Use of sodium dithionite in pulping
06/11/2014CN103850146A Pulp for viscose and preparation method of pulp
06/11/2014CN103850145A Natural color fluff pulp and preparation method thereof
06/11/2014CN102449233B System and method for the regulation of a continuous vapour phase digester
06/04/2014CN103835172A Method for cooking and pulping pinus khasys propylene glycol
06/04/2014CN102817262B High-yield environment-friendly papermaking and pulping process method and system
06/04/2014CN102257164B Process of producing xylose and dissolving pulp
05/2014
05/28/2014CN103827388A 使用多硫化物蒸煮液的硫酸盐蒸煮方法 Using the polysulfide cooking method of kraft cooking liquor
05/28/2014CN103819688A 使用超纤维素溶剂和高挥发性溶剂预处理木质纤维素的方法和装置 Method and apparatus for the use of ultra high-volatile solvent and the solvent of cellulose pretreated lignocellulose
05/28/2014CN102644211B 一种工业大麻全秆漂白化学浆的制备方法 A whole industrial hemp stalk method for producing bleached chemical pulp
05/28/2014CN102587181B 一种环保清洁制浆工艺 An environmentally clean pulping process
05/27/2014US8734612 Method and system for high alpha dissolving pulp production
05/27/2014US8734610 Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method
05/22/2014US20140138039 Feeding system comprising pumps in parallel for a continuous digester
05/21/2014CN103814136A 通过稀酸预处理来加工木质纤维素材料的方法 Method to process a lignocellulosic material by a dilute acid pretreatment
05/21/2014CN103806317A 耐强碱清洁制浆助剂及应用 Alkali resistance and application of clean pulping additive
1 2 3 4 5 6 7 8 9 10 11 12 ... 51