| Patents for D21C 11 - Regeneration of pulp liquors (4,054) |
|---|
| 09/14/2011 | EP1747319B1 Method and device for washing of lime mud |
| 09/14/2011 | EP1563138B1 Method and arrangement in making of mechanical pulp |
| 09/14/2011 | CN102182095A Method for recycling ethanol pulping waste liquor |
| 09/14/2011 | CN102182086A Method for preparing bamboo pulp by full-liquid-phase prehydrolysis sulfate displacement cooking process |
| 09/14/2011 | CN101736638B Processing method of paper-making pulping black liquor |
| 09/07/2011 | EP1099021B1 Method and arrangement for cleaning contaminated condensate including a combined stripper/condenser |
| 09/07/2011 | CN101289820B Process and device for abstracting lignose with zero discharge of paper making black liquor |
| 08/31/2011 | EP1520071B1 Method for treatment of spent liquor |
| 08/31/2011 | CN201952678U 放空槽 Vent slots |
| 08/31/2011 | CN201952677U 一种造纸废水浆水分离回收装置 A papermaking wastewater Whey Separation Recovery |
| 08/25/2011 | WO2011102761A1 Method and apparatus for controlling incrustations in multi stage evaporation train for black liquor |
| 08/24/2011 | EP2358886A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification |
| 08/23/2011 | US8002994 Method and apparatus for thickening lime mud in a disc filter |
| 08/23/2011 | CA2442011C System for feeding combustion air in a soda recovery boiler |
| 08/18/2011 | WO2011098167A1 Wastewater purifying system |
| 08/18/2011 | WO2011098166A1 Wastewater purifying system |
| 08/18/2011 | WO2011098165A1 Wastewater purifying system |
| 08/17/2011 | EP1570125B1 A method for the production of green liquor |
| 08/17/2011 | CN102154890A Fusant chute |
| 08/17/2011 | CN102154889A Recycled industrial symbiotic treatment method of wastewater in alkaline paper-making process |
| 08/17/2011 | CN102154874A Replacement cooking pulping method |
| 08/17/2011 | CN102154871A Method for pulping without producing strongly alkaline high-pollution black liquor |
| 08/11/2011 | US20110192560 Process of producing xylose and dissolving pulp |
| 08/11/2011 | US20110192559 Methods for pretreating biomass |
| 08/10/2011 | EP2352878A1 Sugar production by decrystallization and hydrolysis of polysaccharide enriched biomass |
| 08/10/2011 | CN201921753U 碱回收炉用的溜槽蒸汽消音喷嘴 Recovery boiler with a steam silencer nozzle chute |
| 08/09/2011 | US7992503 Cleaning device, cleaning tool and method of using the cleaning device |
| 08/09/2011 | CA2653642C Apparatus for cleaning a smelt spout of a combustion device |
| 08/02/2011 | US7988820 Method for cleaning and/or cooling a liquor gun in a chemical recovery boiler |
| 07/27/2011 | CN102134814A Dissolving tank of alkali recovery boiler |
| 07/27/2011 | CN101067287B Producing technology for microcrystalline cellulose with waste acid cotton linter |
| 07/20/2011 | CN201901803U Choking and distributing device for circulation pipe |
| 07/20/2011 | CN201901802U Upper liquid distributing plate bearing device |
| 07/14/2011 | CA2784030A1 Method and process for dry discharge in a pressurized pretreatment reactor |
| 07/13/2011 | CN102121203A Method for recovering pulping black liquor alkali by virtue of sulfate process |
| 07/07/2011 | WO2011081587A1 A method of separating, from a mixture of black liquor and tall oil soap product, concentrated portions of tall oil soap product and arrangements for said concentrated tall oil soap product and/or separated black liquor |
| 07/07/2011 | CA2785779A1 A method of separating, from a mixture of black liquor and tall oil soap product, concentrated portions of tall oil soap product and arrangements for said concentrated tall oil soap product and/or separated black liquor |
| 07/06/2011 | CN102119247A Chemical and method for chelating metal ions included in water and separating/recovering of formed chelate |
| 07/06/2011 | CN101698986B Method of preparating papermaking wood pulp at normal pressure by deoxidizing and leaching method |
| 07/06/2011 | CN101328692B Paper pulp fabrication process and system |
| 07/05/2011 | US7971539 Cleaning device, cleaning tool and method of using the cleaning device |
| 06/30/2011 | WO2011078749A1 Method and system for washing lime mud |
| 06/29/2011 | CN102108650A Zero-wastewater-emission pulping method |
| 06/29/2011 | CN101307578B Detection method of paper making sludge deodorization effect |
| 06/22/2011 | EP2334625A1 Method for the integrated production of cellulose and low-molecular-weight reusable materials |
| 06/22/2011 | CN102102306A Recycle process of white water of papermaking system |
| 06/21/2011 | CA2500344C Systems and methods for generating polysulfides |
| 06/16/2011 | US20110140317 Shielding arrangement for the smelt spout area of a recovery boiler |
| 06/15/2011 | EP1797236B1 Method for separating lignin from a lignin containing liquid/slurry |
| 06/15/2011 | CN201864994U Black liquor spray gun for alkali recovery process |
| 06/15/2011 | CN102094346A Acid method silica removal process for green liquor in alkali recovery section of papermaking |
| 06/15/2011 | CN102094345A Pulp-water separation recycling device for papermaking wastewater |
| 06/14/2011 | US7960520 Conversion of lignocellulosic biomass to chemicals and fuels |
| 06/08/2011 | CN102086605A Method and apparatus for processing black liquor of pulp mill |
| 06/07/2011 | CA2491650C Method for treatment of spent liquor |
| 06/03/2011 | WO2011064447A1 Method of treating liquid flows at a chemical pulp mill |
| 06/01/2011 | EP2326406A1 Method and system for treatment of malodorous gases emanating from a pulp mill |
| 06/01/2011 | CN102078726A Causticized muddy white liquid purifying technique |
| 05/26/2011 | WO2011061018A1 Bleach |
| 05/26/2011 | US20110120662 Method and equipment for treatment of black liquor at pulp mill |
| 05/25/2011 | CN102071587A Method for removing black colloid substances in papermaking white mud of flue gas desulfurization absorbent |
| 05/25/2011 | CN101065536B Method and apparatus for thickening lime mud in a disc filter |
| 05/18/2011 | CN102066656A Process and apparatus for treating green liquor |
| 05/18/2011 | CN102061639A Novel white water recycler |
| 05/18/2011 | CN101585617B Process for treating chemical fiber cotton pulp black liquor |
| 05/12/2011 | WO2011057293A1 Liquid recovery and purification in biomass pretreatment process |
| 05/12/2011 | WO2011055010A1 Method and equipment for treatment of black liquor at pulp mill |
| 05/12/2011 | CA2779569A1 Method and equipment for treatment of black liquor at pulp mill |
| 05/11/2011 | CN102051836A Treatment method for drainage of manufacturing pulp |
| 05/04/2011 | EP2315871A1 Dimethyl disulphide derived at least partially from renewable materials |
| 05/04/2011 | CN102046877A Method and equipment for treatment of black liquor at pulp mill |
| 05/04/2011 | CN102041703A Process for removing silicon in green liquor of papermaking alkali recovery section by seeding |
| 04/28/2011 | US20110094692 Methods of pretreating comminuted cellulosic material with carbonate-containing solutions |
| 04/28/2011 | US20110094043 Method of synthesis of tetradentate amide macrocycle ligand and its metal-complex |
| 04/14/2011 | WO2011044320A1 Process for producing alcohol and other bioproducts from biomass extracts in a kraft pulp mill |
| 04/13/2011 | EP2309056A1 Method and apparatus for processing black liquor of pulp mill |
| 04/07/2011 | US20110079364 Process for Controlling Ammonia Loss |
| 04/06/2011 | CN102002878A Method for recovering slurry from papermaking sewage |
| 04/05/2011 | US7919067 Slaking, causticizing and white liquor preparation; causticizing process is controlled by applying a mathematical model that describes at least a part of the causticizing process |
| 04/05/2011 | CA2715950A1 Method and apparatus for processing black liquor of pulp mill |
| 03/31/2011 | WO2011037967A2 Process for recovering lignin |
| 03/30/2011 | EP2300661A1 Method and equipment for treatment of black li quor at pulp mill |
| 03/30/2011 | CN101555667B Biorefinery method of wood fiber material |
| 03/30/2011 | CN101429736B Processing system and method for papermaking black liquor |
| 03/23/2011 | EP2297397A1 Chemical and method for chelating metal ions included in water and separating/recovering of formed chelate |
| 03/23/2011 | EP1506047B1 Equipment and method for sequential chromatographic simulated moving bed separation |
| 03/23/2011 | CN101314924B Pulping paper-making process with zero discharge of sewage water |
| 03/16/2011 | CN201762606U Heat recovery device in paper making process |
| 03/15/2011 | CA2374907C Method and apparatus for controlling a causticizing process |
| 03/10/2011 | WO2011027029A1 Method and assembly for processing cellulose pulp of wood processing industry |
| 03/10/2011 | CA2772497A1 Method and assembly for processing cellulose pulp of wood processing industry |
| 03/09/2011 | EP2292835A1 Method of producing fuel chemicals from wood |
| 03/08/2011 | US7900567 Shielding arrangement for the smelt spout area of a recovery boiler |
| 02/24/2011 | WO2011020949A1 Method of producing sodium hydroxide from an effluent of fiber pulp production |
| 02/24/2011 | CA2767903A1 Method of producing sodium hydroxide from an effluent of fiber pulp production |
| 02/22/2011 | US7892397 Method of degumming cellulosic fibres |
| 02/17/2011 | WO2011017797A1 Fractionation of a waste liquor stream from nanocrystalline cellulose production |
| 02/17/2011 | CA2767386A1 Fractionation of a waste liquor stream from nanocrystalline cellulose production |
| 02/16/2011 | EP1240385B1 Oxidised white liquor in an oxygen delignification process |
| 02/16/2011 | CN201746726U Unpowered black liquor defoaming groove |