Patents for D21C 7 - Digesters (1,988)
02/2015
02/26/2015WO2015027042A1 Natural mobile processing unit
02/20/2015CA2858913A1 Retrofit assembly and method for installing a hydraulic drive motor to a pressurized vessel
02/17/2015US8956505 Compact feed system and method for comminuted cellulosic material
02/11/2015CN204151605U 棉浆板生产用棉绒蒸煮设备的投料机构 Cotton lint production pulp digester feed mechanism equipment
02/11/2015CN104343033A 一种新型螺旋式连续蒸煮器 A new spiral continuous digester
02/10/2015US8951388 Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester
02/05/2015WO2015014451A1 System and method for processing fibrous materials
01/2015
01/29/2015WO2015013146A1 Method of deposition monitoring
01/29/2015WO2015011275A1 Process for obtaining cellulose
01/28/2015CN104313932A 碎竹片蒸煮装置 Crushed bamboo cooking device
01/28/2015CN102767105B 汽爆机中的蓄能式开阀装置 Steam explosion machine Accumulator open valve device
01/22/2015US20150020989 Profile bar screen for digester vessels
01/21/2015CN204112159U 一种连续蒸煮器优化装置 A continuous digester to optimize device
01/21/2015CN204112158U 一种宣纸原料燎皮的加工设备 One kind of rice paper skin burn materials processing equipment
01/13/2015CA2705574C Digester screen for a continuous cellulose pulp digester
01/07/2015CN204080527U 一种喷放仓 One kind of blow warehouse
12/2014
12/17/2014CN204023292U 环保节能静态蒸煮锅 Green energy static cooking pot
11/2014
11/25/2014US8894819 In-line drainer with shaped screen slots
11/20/2014US20140338252 Method of using reactor vessel having single convergence sidewall plates
11/18/2014US8888959 Feeding system comprising pumps in parallel for a continuous digester
11/18/2014US8888955 Method and equipment for the evaporation of black liquor that is obtained from a digestion process during the production of cellulose pulp
11/04/2014US8877012 Piping system from reactor to separator and method to control process flow
10/2014
10/28/2014US8871061 Method and apparatus for in-feeding of matter to a process reactor
10/07/2014US8852395 Method and arrangement for adding treatment liquors to cellulose material in a down flow vessel
10/02/2014WO2014159892A1 Methods for digestion of cellulosic biomass solids in the presence of a phenolic solvent
10/02/2014WO2014159887A1 Methods for digestion of cellulosic biomass solids in the presence of a phenolic solvent generated in situ from lignin
10/02/2014WO2014159877A1 Methods for digestion of cellulosic biomass solids in the presence of a phenolic solvent generated in situ from lignin
09/2014
09/18/2014WO2014142743A1 Bin arrangement for the collecting and discharging of smaller ligno-cellulosic material
09/18/2014WO2014142724A1 Bin for collecting and discharging smaller ligno-cellulosic material
09/16/2014US8834675 Liquid composition sensor in scaling environment
09/02/2014US8821691 Reactor vessel having single convergence sidewall plates
08/2014
08/28/2014WO2014129958A1 Screw conveyor for lignocellulose containing material
08/19/2014US8808498 Heat recovery from spent cooking liquor in a digester plant of a chemical pulp mill
08/14/2014US20140224441 Feeding system having pumps in parallel for a continuous digester
08/12/2014US8801898 Method and arrangement for adding treatment liquors to cellulose raw material in a continuous process using down flow vessels
08/05/2014US8795468 Method and system for impregnating chips
07/2014
07/30/2014EP2758590A1 Device and method for hydrothermally pulping dried, lignified lignocellulosic biomass
07/30/2014CN203741642U 棉短绒大液比渗透小液比蒸煮制浆系统 Linters large liquid-liquid ratio smaller than the penetration of cooking pulping system
07/30/2014CN103334331B 一种速生杨的硫酸盐浆生物化学法tcf漂白工艺 One kind of Poplar biochemical methods tcf of kraft pulp bleaching process
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
07/17/2014US20140196859 Digester with improved vapor control
07/15/2014CA2611575C Feeder for transferring material between vessels held at different pressures
07/10/2014WO2013186443A9 Method and apparatus for pneumatic supply and discharge of liquid filled hollow pulp fibers
07/09/2014EP2752522A2 A method of and an arrangement for transferring a process liquid, an industrial facility and a method of simplifying the layout of such
07/09/2014CN203700851U 一种横式生物质纤维素蒸煮管 A flatbed type of biomass cellulose digester pipe
07/08/2014CA2599773C Method and system for direct contact of hot liquor with wood chips in transfer circulation
07/02/2014CN203683985U ImpBin塔去除杂质装置 ImpBin tower to remove impurities device
06/2014
06/25/2014CN203668745U 一种檀皮蒸煮池 One kind of cooking Tan Leather pool
06/11/2014CN102449233B System and method for the regulation of a continuous vapour phase digester
06/04/2014CN103835173A Dendrocalamus hamiltonii pre-impregnated diethanol amine-anthraquinone cooking and pulping method
06/03/2014CA2688323C Plug screw feeder for feeding cellulose pulp/chips
05/2014
05/29/2014US20140144600 Method and system for thin chip digester cooking
05/20/2014US8728278 Feeding system having pumps in parallel for a continuous digester
05/14/2014CN203593913U 纸浆高浓反应釜 Pulp highly enriched reactor
05/08/2014WO2014070580A1 Methods and systems for distributing a slurry catalyst in cellulosic biomass solids
04/2014
04/30/2014CN103757962A Batch cooking slurry discharge device and slurry discharge method thereof
04/30/2014CN103757961A Batch cooking device and liquid distribution method thereof
04/29/2014US8709212 Feeding system having parallel pumps for a continuous digester
04/29/2014US8709211 Feeding system having pumps in parallel for a continuous digester
04/22/2014US8702909 Feeding system having pumps in parallel and individual flows for a digester
04/22/2014CA2650919C Method and apparatus for conveying a cellulosic feedstock
04/17/2014US20140102648 Method and arrangement for treating chemical pulp
04/16/2014CN103726381A Continuous-cooking dehydration system of spiral feeder
04/08/2014US8691049 Method for an energy efficient production of cellulose pulp in a continuous digester
03/2014
03/27/2014WO2014046895A1 Methods for conditioning pretreated biomass
03/27/2014WO2014046893A1 Soak vessels and methods for impregnating biomass with liquid
03/26/2014CN102251425B Paper pulp continuous-replacement boiling process
03/26/2014CN102230290B High-concentration steaming and rinsing integrative storage reaction bin
03/25/2014US8679293 System and method for optimizing lignocellulosic granular matter refining
03/18/2014US8673112 Method and device for thermal hydrolysis and steam explosion of biomass
03/12/2014CN203475217U Novel screw type continuous digester
02/2014
02/19/2014CN203440360U Comprehensive utilization and production system of agriculture and forestry waste resources
02/12/2014CN203429496U Special heater device for replacing digester
02/12/2014CN203429495U Multifunctional liquid storage tank
02/12/2014CN203429494U Multifunctional steam cooker
02/11/2014US8647473 Continuous digester with a bottom scraper equipped with draining apertures
02/05/2014EP2692944A1 Flash tank with compact steam discharge assembly
01/2014
01/29/2014EP2689062A1 Reactor vessel having single convergence sidewall plates
01/29/2014CN203411843U Steaming and cooking equipment for cotton pulp production
01/22/2014CN103534406A Method and arrangement for adding treatment liquors to cellulose material in a down flow vessel
01/09/2014WO2013171248A3 Method for treating and separating mixed cellulose-plastic products
01/03/2014WO2014004844A1 Digestion units configured for high yield biomass processing
01/03/2014CA2877500A1 Digestion units configured for high yield biomass processing
12/2013
12/25/2013CN102367640B Gruel heating method
12/19/2013WO2013186443A1 Method and apparatus for pneumatic supply and discharge of liquid filled hollow pulp fibers
12/18/2013EP2454409B1 High temperature lignin separation process
12/18/2013CN103451987A Method and device for extracting pre-hydrolysis liquid from dissolving pulp
12/11/2013CN103443354A Reactor vessel having single convergence sidewall plates
12/05/2013US20130319628 Continuous digester with a bottom scraper equipped with draining apertures
12/04/2013CN102016165B Feeding system comprising parallel pumps for a continuous digester
11/2013
11/27/2013CN203307658U Electric heating displacement digester
11/26/2013US8591701 Extraction of hemp fibers
11/13/2013CN101876154B Formula and production process of cotton pulp
11/06/2013CN203270362U Low-pressure hot dipping device
11/06/2013CN102312387B Farina online digestion method
11/05/2013US8574402 Feeding system having pumps in parallel for a continuous digester
10/2013
10/30/2013EP2657398A1 In-line drainer with shaped screen slots
10/30/2013EP2655731A1 A method of controlling a pulping process in a feed-forward manner
10/30/2013CN103374847A Composite stainless steel spherical digester
10/16/2013CN203238492U Papermaking and pulping reactor
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