Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21B - Fibrous raw materials or their mechanical treatment › D21B 1 - Fibrous raw materials or their mechanical treatment
Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805)
10/2012
10/03/2012CN202466272U Untreated pulp smash roller
10/03/2012CN202466271U Cellulous fiber production device
10/03/2012CN102704308A Artificial board fiber separation process capable of prolonging service lives of abrasive discs
10/03/2012CN102182084B Integrated vortex pulping equipment
10/03/2012CN101939480B Methods and apparatus for hydrolyzing cellulosic material
10/03/2012CN101613970B Method for preparing bagasse dissolving pulp and pre-extracting hemicellulose and product thereof
10/03/2012CN101565907B Bagasse alkaline pulping method by pre-extracting hemicellulose and product thereof
09/2012
09/27/2012WO2012128901A1 Vapor phase hydrolysis vessel and methods related thereto
09/27/2012WO2012126099A1 Compositions comprising lignocellulosic biomass and organic solvent
09/27/2012DE102011006095A1 Method for crushing and suspending fiber raw materials into container using pulper, involves introducing water into container in addition to fiber raw materials, where circulation flow is generated
09/27/2012CA2830008A1 Vapor phase hydrolysis vessel and methods related thereto
09/27/2012CA2829413A1 Compositions comprising lignocellulosic biomass and organic solvent
09/26/2012EP2503054A1 Method for preparing a fibrous suspension
09/26/2012EP2501852A1 Apparatus and method for the processing of cellulose fibres
09/26/2012CN202450363U Pulper
09/26/2012CN202450362U Purified cotton defibering equipment
09/26/2012CN202450361U Short fiber separator
09/26/2012CN102691220A Grinding slice of defibrator
09/26/2012CN101760973B Fiber doubling machine
09/20/2012WO2012125058A1 Process for modifying cellulose
09/20/2012WO2012125057A1 Process for processing fibrous material
09/20/2012WO2012123736A1 Waste treatment
09/19/2012EP2500466A1 Method and process for the pretreatment of lignocellulosic biomass
09/19/2012CN202440715U Raw material spinning cake mold for manufacturing silk Chinese art paper
09/19/2012CN202440714U Negative pressure steam explosive device
09/19/2012CN202440713U Horizontal floatation cell for flotation deinking
09/19/2012CN202440712U Large-diameter grinding plate with diameter above 58 inches for defibrator
09/19/2012CN102686305A Screw segment
09/19/2012CN102677523A Production process of raw material for coated white board paper
09/19/2012CN102677522A Vacuum type thermal transfer printing body paper and method for preparing same
09/19/2012CN102677514A Re-pulping method for high wet strength waste paper containing PAE resin
09/19/2012CN102677509A Material preparation process for preparing dissolving pulp by modifying bleached needle leave wood and broadleaf wood composite pulp
09/19/2012CN102677505A Steaming process for modifying bleaching bamboo paper pulp and bleaching wood paper pulp into dissolving pulp in compound way
09/19/2012CN102677503A Biomass continuous hydrothermal pretreatment reactor
09/19/2012CN102677502A Continuous steam explosion device for plant fibers
09/19/2012CN102677501A Material preparation process suitable for preparing dissolving pulp by modifying natural color unblenched needlebush and broadleaf wood composite paper pulp
09/19/2012CN102677500A Material preparation process suitable for utilizing unbleached wood pulp to prepare dissolving pulp in modified mode
09/19/2012CN102677499A Long-service-life untreated paper pulp crushing roller
09/19/2012CN102677498A Method for producing corrugated base paper pulp by utilizing scrap materials of fibre board
09/19/2012CN102677497A Wood fiber production device
09/19/2012CN102677496A Material preparation process for preparing dissolving pulp by modifying bleached bamboo-wood composite pulp
09/19/2012CN102677495A Material preparation process suitable for preparing dissolving pulp by modifying bleached bamboo paper pulp
09/19/2012CN102206928B Method for blasting plant biomass walls with oxygen
09/18/2012US8268122 Process of producing high-yield pulp
09/13/2012US20120227918 Refiner steam separation system for reduction of dryer emissions
09/13/2012DE102011005273A1 Disperger Disperser
09/12/2012CN202430565U Fiber fine screening system for making paper from wastepaper
09/12/2012CN202430564U Fine-screening system for fibers of waste paper
09/12/2012CN202430563U Three-stage sorting equipment for fiber recovery system
09/12/2012CN202430562U Fine-screening system for fibers
09/12/2012CN202430561U Thinning machine
09/12/2012CN102666973A Method for removing solid matter from a fibrous material suspension by means of flotation
09/12/2012CN102660884A Method for producing hemicellulose by treating straw by ammonia water steam explosion technology
09/12/2012CN102660880A Pretreatment method for improving stewing uniformity of chemical pulping of bamboo wood
09/12/2012CN102660879A Palm fruit separation device and method
09/11/2012US8262861 Refiner for refining pulp
09/11/2012US8262852 Method for improving fiber quality and process efficiency in mechanical pulping
09/11/2012US8262851 Processes and systems for the pulping of lignocellulosic materials
09/11/2012US8262850 Chemical activation and refining of southern pine kraft fibers
09/11/2012US8262849 Apparatus and method for manufacturing fibre mass suspension
09/07/2012WO2012116928A1 Rotor
09/07/2012WO2011154847A3 Methods for manufacturing paper fibers and bioethanol from lignocellulosic biomass
09/06/2012DE102011005024A1 Rotor Rotor
09/05/2012EP2494107A1 Process for production of microfibrillated cellulose in an extruder and microfibrillated cellulose produced according to the process
09/05/2012CN102108649B Waste paper deinking process method
09/05/2012CN101517159B Wood fiber separation device and method thereof
09/04/2012CA2510463C Process for pulping waste paper containing impurities
08/2012
08/30/2012WO2012115526A1 Improved method of producing pulp from pinus radiata
08/30/2012WO2012114045A1 Methods for preparing paper pulp and for manufacturing paper from seaweed powder
08/30/2012DE102011012236A1 Stofflöser zum Zerkleinern und Suspendieren von Papierstoff Pulper for comminuting and suspending paper stock
08/29/2012EP2491176A1 Method for removing solid matter from a fibrous material suspension by means of flotation
08/29/2012CN102154907B Bamboo pulping method
08/23/2012WO2011128159A3 Flotation
08/23/2012DE102011011493A1 Device for crushing paper material during recycling of beverage cartons, has impact tool that is rotated around axis and feeding unit, over which paper material is supplied
08/22/2012EP2488693A2 Pulper
08/22/2012CN202390708U Energy-saving wood fiber hot-grinding and drying device
08/22/2012CN102644212A Preparation method of industrial hemp full stalk pulp
08/22/2012CN102644210A Method for pretreating biomass through microwave coupling high boiling alcohol
08/22/2012CN101985821B Method for preparing toughened waterproof molded fiber product
08/22/2012CN101230544B Cleaning method and system for used paper recycling apparatus
08/16/2012WO2012109410A1 High loft nonwoven sheet material and method of construction thereof
08/16/2012US20120206533 Ink coating composition
08/16/2012DE202009018665U1 Disperger III Disperser III
08/15/2012CN202380340U Smashing and mixing equipment for producing tissue paper by using paper strength reinforcer
08/15/2012CN202380339U Sample sheet-defibering sampler
08/15/2012CN202380338U Waste paper recovery automatic compression material separating pool
08/15/2012CN102639786A Method and apparatus for defibrillating cellulose fibres
08/15/2012CN102635007A Waste paper collection and storage pulping machine
08/14/2012CA2550311C Device and methodology for improved mixing of liquids and solids
08/09/2012DE112010003336T5 Altpapier-Recyclingvorrichtung Paper recycling apparatus
08/08/2012CN202369848U Medium consistency mixer for pulping and papermaking
08/08/2012CN202369847U Fiber fluffer
08/08/2012CN202369846U Experimental fluffer
08/08/2012CN102108644B Pollution-free production process of plant fiber pulp
08/08/2012CN101914860B Plant fiber pretreatment method and method for preparing polymer-based composite material
08/08/2012CN101824763B System for cooking purified cottons
08/02/2012US20120193046 Biomass pretreatment
08/01/2012CN202356321U Wood chip washing and thickness sorting treatment system
08/01/2012CN102619118A Hydrolytic treatment method for straw hemicellulose
08/01/2012CN102614972A Methods for recovery treatment reutilization of prepreg offcuts
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