Patents for D21C 7 - Digesters (1,988)
03/2012
03/07/2012CN202157242U 封闭蒸球进料口的装置 Closed steam ball inlet device
03/07/2012CN102367640A Gruel heating method and steam heating pot for heating gruel
02/2012
02/29/2012CN202151563U 一种热喷设备 A thermal spray equipment
02/16/2012US20120037328 High pressure sluice feeder
02/16/2012US20120037325 Treatment, such as cutting, soaking and/or washing, of organic material
02/15/2012CN202144575U 非木本农作物之环保机械浆制浆系统和化学机械浆制浆系统 Environmental mechanical pulping systems of non-woody crops and chemical mechanical pulping systems
02/08/2012CN202139499U 蒸煮锅 Cooking pot
02/08/2012CN102345240A An arrangement for and a method of treating pulp, and a method of modernizing a pulp tower
02/01/2012EP2411576A1 Method and arrangement for wash after completed digestion in a continuous digester for the production of cellulose pulp
01/2012
01/25/2012CN101451313B Method for preparing bleached chemical pulp by using grass type plants as raw materials
01/24/2012CA2563939C Tissue paper with protruding lotion deposits
01/19/2012US20120012266 Lignocellulosic biomass saccharification pre-treatment device
01/18/2012CN102325890A Method and apparatus for conveying cellulosic feedstock
01/12/2012WO2012006396A1 Chip feed and steaming system and method for batch digester
01/12/2012WO2012005643A1 Method and system for impregnating chips
01/11/2012CN202107935U High-concentration boiling and bleaching integrated storage and reaction bin
01/11/2012CN102312387A Farina online digestor and digestion method thereof
01/11/2012CN101457494B Production method of bamboo chemical dissolving pulp
01/11/2012CN101215795B Sulfuric acid catalysis ethanol pulp preparing technique for ryegrass
01/05/2012WO2012000093A1 Organosolv process
01/05/2012US20120000619 Arrangement, system and method for treatment of cellulose pulp
01/05/2012CA2803177A1 Organosolv process
01/04/2012CN202099653U Digester heater
01/04/2012CN202099652U Circular heating system of paper pulp
01/04/2012CN202099651U Steam chip distributor
01/04/2012CN202099650U Improved digester
01/04/2012CN202099649U Liquid pumping system of digester
01/04/2012CN202099648U Circulating system of cooking pot
01/04/2012CN101638866B Natural color paper for wiping hands and preparation method thereof
01/04/2012CN101122101B Processes and systems for the pulping of lignocellulosic materials
01/03/2012US8088253 Digester screen for a continuous cellulose pulp digester
12/2011
12/28/2011EP2398958A1 Method and apparatus for in-feeding of matter to a process reactor
12/28/2011CN101748632B 一种纸品浆料的成浆工艺 One kind of paper pulp into pulp process
12/28/2011CN101451315B 一种禾草类秸秆综合利用方法 Straw utilization method grasses
12/21/2011CN202081331U 高浓蒸煮漂白制浆一体机 Highly enriched bleached pulp cooking machine
12/15/2011WO2011156487A1 Method for contaminant removal in paper production
12/07/2011EP1664421B1 Chemimechanical desilication of nonwood plant materials
12/07/2011CN202064223U 蒸球起盖器 Since steam ball cap is
12/07/2011CN102272378A 用于向过程反应器进给物质的方法和设备 Process for the reactor feed to a method and apparatus substances
12/07/2011CN102268829A 植物纤维处理 Plant fiber processing
12/07/2011CN101265675B 一种环境友好型缓冲包装材料及其制备方法 An environmentally friendly cushion packaging material and method
11/2011
11/30/2011EP2390409A1 Lignocellulose process
11/30/2011EP2389480A1 Method and apparatus for conveying a cellulosic feedstock
11/30/2011EP2389445A1 Method and apparatus for conveying a cellulosic feedstock
11/30/2011CN101864686B 一种罗布麻浆的制备方法 A process for producing pulp apocynum
11/23/2011CN202047311U High-temperature wood fiber stuff flash evaporation and dewatering all-in-one machine
11/23/2011CN102251426A Head pressure flow adjusting device for screw extruder
11/23/2011CN102251425A Paper pulp continuous-replacement boiling process
11/17/2011US20110277948 Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators
11/16/2011CN102245831A Method for preventing clogging in a strainer construction for a continuous digester
11/15/2011US8057639 System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process
11/09/2011CN202030974U Group-pot paper-making steaming and boiling test machine
11/09/2011CN101748635B Method for preparing slurry by replacement cooking
11/08/2011US8052843 System and a method for the steam pre-treatment of chips in association with the production of chemical cellulose pulp
11/08/2011US8052840 Pulping additives for a reduction of resin from Kraft pulp
11/02/2011CN102230290A High-concentration steaming and rinsing integrative storage reaction bin
10/2011
10/27/2011US20110259539 Feeding system comprising parallel pumps for a continuous digester
10/26/2011CN102226319A Batch cooking cold blow device and cold blow method
10/26/2011CN101451325B Low brightness pulp prepared by alkaline steam cooking wheat straw raw material, preparation method and use thereof
10/19/2011CN101545226B Method for improving bagasse alkaline cooking effect through wet process with CEH bleaching waste liquor
10/18/2011CA2465428C Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester
10/12/2011CN102212978A High-concentration digesting, bleaching and pulping integrated machine
10/06/2011WO2011084761A3 Method and process for dry discharge in a pressurized pretreatment reactor
10/05/2011CN202000188U Steamer used in Xuan paper making process
10/05/2011CN101392468B Square cone bottom spraying pot
09/2011
09/28/2011CN201990890U 用于宣纸制作过程中的蒸锅 For rice paper production process steamer
09/28/2011CN102203342A A single vertical atmospheric vessel for steaming, slurrying, impregnating and digesting fibrous material
09/14/2011EP1869250B1 Arrangement for feeding a slurry of chips and liquid
09/14/2011EP1454010B1 Method and system for the treatment of pulp prior to ozone bleaching
09/14/2011CN102182092A Continuous cooking anti-reverse spraying device
09/10/2011CA2741602A1 Biomass hydrothermal decomposition apparatus, temperature control method thereof, and organic raw material production system using biomass material
09/10/2011CA2741598A1 Biomass hydrothermal decomposition apparatus, temperature control method thereof, and organic raw material production system using biomass material
09/07/2011CN102177293A System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process
08/2011
08/30/2011US8009277 Sensor technique for black liquor oxidation control
08/25/2011WO2011102760A1 Method and system for recycling of rejects in a process for cooking chemical pulp
08/25/2011WO2011101703A1 A method and system for steam utilization for a batch digester house
08/25/2011US20110203757 Apparatus for pretreatment for saccharification of lignocellulose biomass
08/18/2011US20110198049 Fiberline systems, processes and methods
08/17/2011EP2356277A2 Methods and devices for continuous transfer of particulate and/or fibrous material between two zones with different temperatures and pressures
08/17/2011CN201933354U 蒸煮喷放设备 Cooking spray and place equipment
08/17/2011CN102154899A Base paper of sandpaper and production method thereof
08/11/2011WO2011096857A1 Continuous digester with improved heating circulation
08/04/2011US20110186251 Continuous tube reactor
08/02/2011US7988822 Treatment vessel for straw or other light bulky material
08/02/2011US7988788 Using circulating, continuously fed, inorganic acid as tool in digestion of lignocellulosic material
07/2011
07/27/2011CN101225614B Paper-making technique employing bio-fermentation pulping method instead of chemical pulping technique
07/26/2011US7985318 Thermoconductive measurement; adding antiscaling agent such as acrylic-maleic acid copolymer, ethylene-vinyl acetate-methacrylic acid terpolymer, linseed oil-maleic anhydride copolymer crosslinked with pentaerythritol; amides, esters, acids, sulfonic acids, amines, or anhydrides to black liquor
07/26/2011CA2597135C Continuous counter-current organosolv processing of lignocellulosic feedstocks
07/20/2011CN201901800U Direct steam heater for cooking pot
07/20/2011CN101429733B Bamboo wood dissolving pulp manufacturing process
07/20/2011CN101158123B High-strength bamboo pulp manufacturing technique
07/07/2011US20110162813 Horizontal re-pulping apparatus for cellulose fibres
07/07/2011US20110162810 Method and device for processing waste paper
06/2011
06/30/2011WO2011078775A1 Method and arrangement for improving a washing step after completed cooking in a continuous digester
06/29/2011CN102108648A Cooking and blowing equipment
06/22/2011CN101613968B Method for eliminating pollution of closed papermaking factory
06/22/2011CN101532260B Method for pulping by cooking solid base in plant fiber
06/22/2011CN101158122B Bamboo dissolved pulp manufacturing technique
06/16/2011US20110139384 Method and an apparatus for controlling a flow of pulp suspension
06/15/2011CN101381970B Method for co-producing paper pulp and fuel ethanol by wild grass on forest land
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