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Matches 601 - 650 out of 961

Document Document Title
JP2012144651
To provide a method for producing microfibrous cellulose capable of easily obtaining the microfibrous cellulose having a fiber width of 1-1,000 nm by mechanically defibrating cellulose fiber.In the method for producing microfibrous cellu...  
JP2012092454
To provide a pulp production device and others enabling pulp production from a raw material within one high concentration pulper, and provide, in particular, a pulp production device and others by which pulp can be produced in the atmosp...  
JP2012052246
To provide a defoaming agent that can avoid a foaming trouble in a kraft pulp production process in which acacia wood is blended, and can restrict an aggregate generation amount of organic materials such as a fatty acid, a resin acid and...  
JP2012046861
To provide lyocell fibers having pebbled surfaces and variations in cross section and diameter along and between the fibers.The lyocell fibers can be produced by centrifugal spinning, meltblowing, or its spunbonding variation. The fibers...  
JP2012036508
To provide a manufacturing method for microfibrous cellulose capable of easily providing microfibrous cellulose with a fiber width of 2-1000 nm by loosening cellulose fiber mechanically.In a manufacturing method for microfibrous cellulos...  
JP2011149129
To provide a method for producing pulp decreased in materials causing slipping trouble of various papers.There is provided a production method for pulp having <0.03 mass% content of ester compounds of sterols, and comprising as a step fo...  
JP2011047057
To promote the action of a chemical for papermaking on a chip by allowing the chemical for the papermaking to penetrate into the inside of the chip.The chemical-containing chip for the papermaking is produced by (A) freezing a chip, (B) ...  
JP2011032628
To provide a technique for improving the causticizing process in pulp production.In the causticizing process of pulp production, improvement of lime sludge dewaterability, decrease of dreg generation and, moreover, high whitening of calc...  
JP2011001677
To provide a pulp production apparatus capable of producing the pulp from a raw material in a high concentration pulper, or the like and to provide the pulp production apparatus capable of producing the pulp using a palmae plant as the r...  
JP2010255171
To provide a lignocellulosic material treating process settling the conventional defects.There is provided a continuous process for producing a chemical grade pulp, which process includes the steps of: (a) steaming lignocellulosic materi...  
JP2010229602
To provide a simple method of efficiently producing a sulfide salt such as sodium sulfide and sodium disulfide in an alkali solution in an alkali recovery process in the production of pulp.A sulfide salt such as sodium sulfide and sodium...  
JP2010116646
To provide a method for producing coated printing paper having excellent whiteness, smoothness, and printing smoothness at a low cost.The method for producing the coated printing paper having one or more coating layers containing a pigme...  
JP2010095816
To efficiently carrying out cooking in the production of a chemical pulp by managing the proportion of a lignin structure in a lignocellulose material of a raw material.The method for managing the mixing of the raw materials of the chemi...  
JP2010059565
To provide high yield pulp for printing paper from a plant raw material containing a large amount of pith, which has a non-wood plant raw material such as bagasse consists of 2/3 amount of rind (pelt) and 1/3 amount of the pith (medulla)...  
JP2010037673
To provide a method for cooking a lignocellulose material for obtaining pulp of low kappa number in high yield while cutting chemical liquid use and reducing the load on a retrieving boiler.The method comprises the following process that...  
JP2009203583
To provide a method for cooking a lignocellulose material which improves a kraft cooking effect and pulp yield without any large-scale remodeling of the facility.The method is such that in cooking a lignocellulose material using a contin...  
JP2009185413
To provide a cooking auxiliary for cooking a lignocellulose material by which pulp yield and pulp quality (e.g., whiteness, specific tear strength, specific burst strength and reduction of a kappa value) are extremely improved.The cookin...  
JP2009179929
To provide an improved method for feeding cellulose chips to a high pressure continuous cooking system.Provided is a method for feeding a cellulosic fibrous material to a high pressure processing vessel including, (a) a step of pressuriz...  
JP2009167542
To provide a method for treating lignin or a vegetable fiber comprising the lignin by repeatedly using manganese peroxidase, efficiently affording trivalent manganese in stable yield, and using the resultant trivalent manganese, and to p...  
JP2009074234
To produce fully bleached (typically having a whiteness degree of over 89 or more 90% ISO) cellulose pulp from an environmentally friendly (ECF), yet commercially viabled comminuted cellulosic fibrous material.A method for producing blea...  
JP2009052188
To provide a vessel which reduces precipitation of lignin and other wood components until after hydrolysis of a cellulosic material has been accomplished.In a reaction vessel, cellulosic material flows through the reaction vessel from a ...  
JP2009041175
To provide a method for inhibiting adherence of lignin to an extraction screen of a cooking vessel.The method for inhibiting fouling of a black liquor extraction screen in a cooking vessel for semi-chemical pulping, comprises the steps o...  
JP2009019326
To provide a method for producing pulp for production of lyocell fibers.The compositions, useful for making lyocell fibers, having a high hemicellulose content, a low copper number and including cellulose that has a low average degree of...  
JP2009001952
To provide a method for adding heat to chips in a digester vessel, which reduces the energy requirements for in a pulping system.A method for heating a chip slurry in a pulping system having an impregnation vessel and a chemical digestin...  
JP2008308812
To provide a process for bleaching of pulps in cooking with soda and anthraquinone, which produces a whiteness on par with cooking of craft pulp.The process for bleaching of pulps following cooking of a lignocellulosic material with soda...  
JP2008248450
To achieve high digestion ratio or reduction of digesting chemical used by finding a most efficient utilization method of a digestion auxiliary in enlarged digestion method.In a method for digesting a lignocellulosic material in which en...  
JP2008223217
To provide a system for producing chemical cellulose pulp from a slurry of comminuted cellulose fibrous material.A cellulose slurry treatment system comprises an upright continuous digester 11 having an inlet near the top and an outlet n...  
JP2008174892
To provide a method for producing cellulose pulp in a continuous digestion system in an efficient manner.Cellulose chips are fed continuously with a transfer liquid in a transfer line 11 to a top separator 20 arranged at the top of a dig...  
JP2008150721
To improve closed systematization of a process for the increase of the pulp yield, while reducing environmental problems and to prevent both potassium accumulation on a recovery boiler and scale trouble in the boiler in the process for p...  
JP2008121127
To provide a method for producing pulp, by which processes can be simplified and treatments of a waste liquid can be reduced.This method for producing the pulp comprises steps of charging wood chips 1 in a chemical liquid 3 containing at...  
JP2008057077
To provide a method for simply measuring the variation of a pulp yield in a short time.This method for measuring the variation of the pulp yield from the change of a ratio of the content of inorganic substances contained in a cooked blac...  
JP2008045262
To provide a mechanical pulping process developing brightness and other pulp properties.A non-compression vessel, such as a digester, is employed for the chemical preconditioning of the chips followed by a fiberizing device to break the ...  
JP2008045223
To provide an extremely economical method for producing pulp by which both the pulp and lignin can efficiently be obtained to reutilize a high-boiling organic solvent used and extremely low pressure is sufficiently used in a pulping step...  
JP2008013859
To provide a method for bleaching a non-wood pulp so as to have a high whiteness while minimizing the increase of bleaching cost and also maintaining the viscosity of the pulp not using a chlorine-based chemical but using only a peroxide...  
JP2008005832
To provide a method for treating plant material, capable of easily retrieving useful components such as ethanol, lignin and pulp from the plant material.The method comprises the following process: Plant material(phytobiomass) is heat-tre...  
JP3969598
To obtain an antimicrobial pulp which is inexpensive and easy to use by incorporating a specified antimicrobial agent into pulp obtd. from vegetation. This antimicrobial pulp comprises copper chlorophyll incorporated into pulp obtd. from...  
JP3964201
To provide a method for producing a woody fiber material, capable of opening fibers in a short time and capable of producing the fiber material of good quality. This method for producing the woody fiber material has a process for treatin...  
JP3965153
To provide pulp useful for producing lyocell products, to provide a method for producing the pulp, to provide lyocell products made from the pulp, to provide a method for producing the lyocell products, and especially, to provide a metho...  
JP3965154
To provide a method for economically producing lyocell products from a pulp containing hemicellulose usually removed. The method for producing lyocell products comprises making a dope from the pulp and forming lyocell products from the d...  
JP2007119934
To provide an energy saving and environmental friendly method for separating lignin from woody biomass without using a necessary chemical, etc., of wastewater treatment.The pulverized woody biomass is dispersed in water and the resultant...  
JP2007002383
To produce pulp from woody biomass in high production efficiency and in high fiber recovery.The pulp is produced by steaming (for example, treating with pressurized water at 130°C or higher) woody biomass in the presence of ammonia or a...  
JP3898160
To provide a unit including a cellulose pulp continuous digester and making the best use of a vapor phase digester with a gas-filled zone on the liquid level while having the advantages inherent in a full-liquid type digester. The unit w...  
JP3832373
To provide a method for homogeneously digesting a lignocellulose material by using a continuous digester. The method for digesting the lignocellulose material by using the continuous digester comprising an impregnation zone, a digestion ...  
JP3811833
To obtain a pulp obtained by effectively pulping straws under the atmosheric pressure, having strength characteristics equal to those of pulps prepared according to a conventional method and excellent in quality, by adding an aqueous sol...  
JP2006112004
To provide a method for effectively utilizing a part other than oil and fat in a plant body of Elaeis guineensis Jacq.The method for effectively utilizing Elaeis guineensis Jacq. comprises digesting the plant body of Elaeis guineensis Ja...  
JP2006104631
To provide a method for digesting lignocellulose material to give pulp of low kappa number in high yield.The method for digesting lignocellulose material to give pulp of low kappa number in high yield comprises treating the lignocellulos...  
JP2006097199
To provide a method for producing kraft pulp, by which the pulp can be obtained in a high yield and in a high pulp strength (especially a tensile index), and to provide an apparatus for producing the same.In this method for producing the...  
JP3783987
To obtain an aqueous slurry of anthraquinones at a high concentration useful as a pulp digesting assistant. This pulp digesting assistant composition is an aqueous slurry of anthraquinones comprising a powder of the anthraquinones having...  
JP2006009235
To provide an improved method for supplying cellulose chips to a continuous high pressure digestion system.The method and system for supplying the cellulose fiber material to a high pressure treating tank is characterized by comprising a...  
JP2005336667
To provide a method for digesting lignocellulose material, capable of improving a digestion yield of the material, by using a continuous digester.This method for continuously digesting the lignocellulose material comprises using a two-ve...  

Matches 601 - 650 out of 961