Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432)
11/2010
11/03/2010CN101876151A Dewatering device of used paper recycling apparatus and used paper recycling apparatus
11/03/2010CN101418527B Deinking process for waste paper
11/03/2010CN101372815B Method for separating lignose and cellulose in licorice waste slag by means of ultrasonic technology
11/02/2010CA2477175C Cellulolytic enzyme gene and use thereof
10/2010
10/28/2010US20100269989 Use of 1,3-selective lipases for pitch control in pulp and paper processes
10/27/2010EP2242883A1 Methods for reducing enzyme consumption in second generation bioethanol fermentation in the presence of lignin
10/21/2010US20100267110 Laccases, nucleic acids encoding them and methods for making and using them
10/21/2010US20100263812 System and method for repulping of paper products and improvement of water quality with dipolar solvents and recovery
10/20/2010CN201610502U 一种磁力脱墨机 A magnetic deinking machine
10/20/2010CN101864685A Bagasse microcrystalline cellulose and preparation method thereof
10/20/2010CN101864684A Method for preparing pharmaceutical-grade microcrystalline cellulose from cotton linter
10/19/2010US7816129 Production and secretion of proteins of bacterial origin in filamentous fungi
10/14/2010WO2010116948A1 Recycled pulp manufacturing device, waste paper processing device, and waste paper processing method
10/12/2010CA2248649C Enzyme multimer and process of producing same
10/07/2010WO2010113129A2 Improved biomass pretreatment process
10/06/2010CN1978785B Sludge dewatering method for waste paper deinking technology
10/05/2010US7807020 operate reliably by diluting a high-consistency suspension with a liquid to form a fibrous suspension; degassing via a device having a rotating rotor, and apply centrifugal forces to the suspension; and guiding a degassed diluting liquid out; papermaking; energy efficiency
09/2010
09/30/2010DE102009015404A1 Method for removing solids from fibrous material suspension, involves partially bringing together cleaned pulp suspension streams before adding into flotation chambers that are communicatingly connected with one another
09/29/2010CN101845765A Process for modifying reclaimed pulp
09/29/2010CN101413146B Boiling method for preparing cotton linter dissolving pulp by using composite additive
09/23/2010DE102009012468A1 Verfahren zur Bereitstellung von Wasserglas für eine industrielle Anwendung A method for providing water glass for industrial use
09/22/2010CN101289818B Process for preparing dissolved pulp by oxidative degradation of linters
09/16/2010WO2010102803A1 Method for providing water glass for an industrial application
09/15/2010EP1305432B1 Mutant trichoderma reesei egiii cellulases, dna encoding such egiii compositions and methods for obtaining same
09/15/2010CN101831825A Improved production method of waste paper deinking pulp
09/15/2010CN101831822A Method for producing paper pulp by adopting cotton stalk peel as raw material
09/15/2010CN101830989A Method for preparing high-viscosity sodium carboxymethyl cellulose by utilizing potato starch residues
09/15/2010CN101298744B Method for stalk liquefaction preprocessing to prepare fuel ethyl hydrate raw material
09/08/2010EP2226414A1 Process for production of cellulose nanofiber, catalyst for oxidation of cellulose, and method for oxidation of cellulose
09/08/2010CN101824765A Production process of low-ration high-strength waterproof plaster board mask paper
09/08/2010CN101824764A Production process of feather-weight high-strength fireproof plaster board mask paper
09/08/2010CN101824763A System for cooking purified cottons
09/07/2010US7790430 Cellulase resistant to surfactants
09/02/2010WO2010078391A3 Improvement of enzymatic hydrolysis of pretreated lignocellulose-containing material with dissolved air flotation sludge
09/02/2010DE102009010698A1 Flotation device for the removal of impurities by using gas bubbles, comprises flotation container, where mixing device is provided for supplying flow of gas
09/01/2010CN101818460A Method for preparing wood dissolving pulp by modifying true color unbleached wood pulp
09/01/2010CN101225615B Method for producing low basis weight newsprint by 100 percent deinking waste pulp added with retention and drainage agent
08/2010
08/26/2010WO2010094240A1 Process for biomass conversion
08/25/2010EP2220294A1 Method and apparatus for measuring deposition of particulate contaminants in pulp and paper slurries
08/25/2010CN101503865B Method for preparing mlcrocrystalline cellulose by corps straw
08/19/2010WO2010093233A1 A process for bioenzymatic deinking of paper
08/19/2010US20100206501 Paper products and methods and systems for manufacturing such products
08/19/2010US20100206498 Method of deinking recovered paper
08/19/2010DE102009006034A1 Flotation method for removing impurities from aqueous fiber suspension in flotation container, involves collecting impurities of aqueous fiber suspension in flotation froth, and discharging impurities with flotation froth
08/19/2010DE102009000794A1 Material web e.g. paper web, manufacturing method, involves producing material web from waste materials, supplement materials and cellulose- and/or waste paper bales, and supplying material web to paper machine
08/18/2010CN101809226A Flotation apparatus
08/18/2010CN101806016A Fruit fresh-keeping paperboard and preparation method thereof
08/18/2010CN101805933A Method for preparing apocynum venetum regenerated fibers
08/12/2010WO2010069670A3 Method for removing solids from a fibre suspension by flotation and flotation device for carrying out the same
08/11/2010CN1836069B Recycling of lignocellulose based board materials
08/11/2010CN101798770A Pulp manufacturing method of used paper recycling apparatus, pulp manufacturing device of used paper recycling apparatus, and used paper recycling apparatus
08/04/2010CN101796247A Detoxifying and recycling of washing solution used in pretreatment of lignocellulose-containing materials
08/04/2010CN101792495A Method for ultrasonically catalyzing and extracting hemicellulose, cellulose and lignin from plant straws
08/03/2010US7767057 Deinking blends for use in reduced alkali systems
07/2010
07/29/2010DE102009006308A1 Method for treating paper fiber suspension obtained from waste paper, involves recognizing part of filtrate system by upstream thickening, and recognizing another part of filtrate system by cleaner
07/29/2010DE102009006035A1 Flotation method for removing contaminants from aqueous fiber suspension obtained from waste papers, involves producing turbulences in fiber suspension by mobile installed components in flotation container
07/29/2010DE102009006033A1 Flotation method for removing contaminants from aqueous fiber suspension in flotation container, involves supplying flow of aqueous fiber suspension to flow of gas, and collecting and discharging contaminants in aqueous fiber suspension
07/29/2010DE102009005909A1 Fiber suspension stream treating method for packaging paper, involves dividing fiber suspension stream into two partial streams before flotation that is only present in partial streams with dispersion
07/29/2010DE102009005908A1 Fiber material suspension stream processing arrangement, has screen formed as basket screen and slotted screen, where short fibers in fiber material suspension stream are accepted in two of partial streams after screening process
07/29/2010DE102009000365A1 Device for decontaminating fibrous material web defective goods underneath machine base of paper and/or cardboard manufacturing machine in machinery hall, has pulper wall exhibiting transportation device for support of sliding of goods
07/28/2010CN1831239B Method and equipment for extracting fiber from stalks
07/28/2010CN101787657A Disc-type synthetic fiber pulp precipitation machine
07/28/2010CN101333777B Method for high-efficiency hydrolyzing lignocellulose raw material in ionic liquid
07/28/2010CN101289817B Process for effectively hydrolyzing cellulose in ion liquid
07/21/2010CN201530946U Slurrying device for regenerating waste paper
07/21/2010CN101525858B Waste paper deinking pulp chlorine-free bleaching method
07/21/2010CN101235605B Lignocellulose pretreatment method and system containing acid recovery
07/20/2010US7758722 Production method for an absorbent fiber product and corresponding absorbent fiber product
07/15/2010WO2010080532A1 Methods for increasing hydrolysis of cellulosic material in the presence of cellobiose dehydrogenase
07/15/2010WO2010059796A3 Process for producing a sugar solution by combined chemical and enzymatic saccharification of polysaccharide enriched biomass
07/15/2010CA2746846A1 Methods for increasing hydrolysis of cellulosic material in the presence of cellobiose dehydrogenase
07/08/2010WO2010076387A1 Fungal endoglucanases, their production and use
07/07/2010CN101768888A Method of beating used paper, method of processing used paper, device for beating used paper and apparatus for processing used paper
07/06/2010CA2154945C Actinomadura xylanase sequences and methods of use
07/01/2010US20100163192 Compositions and composites of cellulosic and lignocellulosic materials and resins, and methods of making the same
07/01/2010DE102008064271A1 Verfahren zur Entfernung von Feststoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung A process for the removal of solids from a fiber suspension by flotation, as well as flotation apparatus for its implementation
07/01/2010DE102008064270A1 Flotation method for removing contaminants from aqueous fibrous material suspension by gas bubbles, involves supplying stream of fibrous material suspension along interference body after supplying stream of gas
06/2010
06/30/2010CN101760976A Waste paper deinking and stickies control technique
06/24/2010DE102008063785A1 Verfahren zur Aufbereitung von Altpapier enthaltenden Rohstoffen zu einer zur Erzeugung graphischer Papiere geeigneten Faserstoffsuspension A method for treating waste paper containing raw materials to a composition suitable for generating graphic paper pulp suspension
06/24/2010DE102008063780A1 Verfahren zur Entfernung von Feststoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung A process for the removal of solids from a fiber suspension by flotation, as well as flotation apparatus for its implementation
06/23/2010CN101748645A Toilet tissue and manufacturing method thereof
06/23/2010CN101748644A Production process of colored tissue paper
06/23/2010CN101748643A Production process of ultra-low quantitative tissue paper
06/23/2010CN101748631A Efficient and clean puling and bleaching method dissolving alpha-pulp by Chinese alpine rush
06/23/2010CN101748630A Acid-free pre-hydrolysis enzymolysis-free method for preparing bamboo pulp of Dendrocalamus giganteus Munro series
06/22/2010US7741089 Laccases, nucleic acids encoding them and methods for making and using them
06/19/2010CA2686916A1 Paper based on recycled papers and process for producing thereof
06/17/2010US20100147479 Methods for producing recycled pulp, methods for modifying pulp fiber surfaces and dirts, as well as pulp processing equipments
06/17/2010DE102008062198A1 Flotation device for removal of impurities from aqueous fiber suspension in flotation container using cavities, has discharge pipe provided for flotation froth, and flotation container coupled with vibrator having preset frequency
06/17/2010DE102008062197A1 Flotation method for removing impurities from diluted-fibrous suspension in flotation container, involves subjecting stream of fibrous suspension with compressed air jet during or after supply of gas at preset pressure
06/16/2010EP2196579A1 Method for producing microfibrillated cellulose
06/16/2010CN101736637A Production method for preparing bamboo dissolving pulp by utilizing natural-color unbleached bamboo pulp in a modifying way
06/16/2010CN101736635A Magnetic separation and deinking method for waste paper
06/16/2010CN101736634A Process for deinking office waste paper
06/16/2010CN101736633A Stewing process for preparing bamboo dissolving pulp by utilizing natural-color unbleached bamboo pulp in a modifying way
06/16/2010CN101736632A Stewing process for preparing wood dissolving pulp by natural-color unbleached wood pulp in a modifying way
06/16/2010CN101736631A Process for efficiently preprocessing lignocellulose
06/16/2010CN101736630A Pretreatment method for biorefinery of lignocellulose
06/16/2010CN101250827B Preparation of dialdehyde carboxymethyl cellulose and method for testing aldehyde group content
06/16/2010CN101235606B Lignocellulose pretreatment method and system
1 ... 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ... 55