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Matches 701 - 750 out of 1,000

Document Document Title
JP2004353108
To prevent occurrence of chip hanging (unsmooth drop of raw material chip) during pulp production by a column-like vessel type continuous digester.In the column-like vessel type continuous digester having constitution that in a vessel su...  
JP3623469
To provide a method for the continuous pressure control of a vertical- type boiler for chopped cellulosic fibrous materials, capable of maintaining the pressure inside the boiler at a desired level, and/or maintaining the liquid level in...  
JP2004339682
To provide a top separator enabling easy mutual conversion of operating modes of a continuous digester between gas phase and hydraulic phase.The continuous digester for producing chemical cellulose pulp from cellulose chips has a digeste...  
JP2004285531
To provide a technique for further improving a delignification rate in digestion in the case of producing chemical pulp from a lignocellulosic material by either one digestion method selected from kraft pulp digestion, modified kraft pul...  
JP2004256925
To provide a method for pretreating wood chips by which the digestibility can be improved at a low cost in a short time when slightly digestible and slightly bleachable single wood chips of the genus Eucalyptus or mixed wood chips contai...  
JP2004256924
To provide a method for pretreating wood chips by which the disgestibility when slightly digestible single material chips of the genus Eucalyptus or mixed wood chips containing the wood of the genus Eucalyptus are pulped with an alkaline...  
JP2004232184
To provide a feeder for comminuted cellulose fibrous material simplifying the apparatus, capable of dramatically reducing required numbers of the apparatus elements.The system for producing chemical cellulose pulp from comminuted fibrous...  
JP2004225201
To primarily provide a production technique of a chemithermo mechanical pulp using only Cryptomeria japonica grown in Japan as a raw material and to secondarily provide the chemithermo mechanical pulp and to thirdly provide a newsprint p...  
JP2004211280
To provide a method for using low specific gravity wood from thinning operations and for lyocell pulp.The pulp comprises at least 7 wt.% hemicellulose, and has a viscosity less than 32 cP, a copper number less than 2, a weighted average ...  
JP2004211281
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...  
JP2004211283
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 do...  
JP2004211282
To provide a method for using low specific gravity wood from thinning operations as lyocell pulp.The method for producing the pulp comprises pulping a wood material with a specific gravity less than 0.41 by an alkaline pulping process an...  
JP2004204370
To provide a new technique by which high whiteness bleached pulp can be produced from hardly bleachable wood containing extracts in a large amount, and to provide a technique by which the amount of a bleaching agent to be used can be red...  
JP2004190150
To provide a technique for efficiently carrying out preliminary permeation of a cooking liquor into wood chips in continuous cooking of kraft pulp as first problem to be solved and to improve cookability and pulp yield by preliminary per...  
JP2004169204
To provide a method for producing high whiteness bleached kraft pulp, by which the cooking and bleaching properties of hardly cookable and hardly bleachable materials of Betula, Acer, Quercus, and/or Juglans, or a material containing the...  
JP2004169203
To provide a method for producing high whiteness bleached kraft pulp, by which the cooking and bleaching properties of hardly cookable and hardly bleachable Eucalyptus material or a material containing the Eucalyptus material can be impr...  
JP2004169205
To provide a method for producing high whiteness bleached kraft pulp, by which the cooking and bleaching properties of hardly cookable and hardly bleachable materials of Larix, Pseudotsuga, and/or Cryptomeria, or a material containing th...  
JP2004156176
To provide a method for separating a vegetable fiber, capable of saving energy and being environmentally friendly in order to solve problems in which a conventional separation means for separating a plant body into cellulose and lignin c...  
JP2004143629
To improve yield and quality (especially, a tear index) of a pulp in a method for producing the pulp by using a cooking assistant for a lignocellulose material.The yield and the quality (especially, the tear index) can be improved by usi...  
JP3513619
PURPOSE: To satisfactorily and easily start a batch digester. CONSTITUTION: A first portion of washing liquid is supplied to the digester in order to displace a first portion of the spent cooking liquor having a temperature and dry solid...  
JP3496872
To provide a method for supplying a finely crushed fibrous material to the top part of a treating vessel, aiming for the improvement of its simplicity, operation and maintenance by conducting a pressurized transportation by using a slurr...  
JP2003328286
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 wo...  
JP2003301392
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 z...  
JP3484382
To provide a method for improving yield in kraft pulp manufacturing from a cellulose comprising broadleaf tree chips, and further to provide an apparatus therefor. The yield can be improved by at least 1-2% especially when a broadleaf tr...  
JP2003293275
To provide a method of improving for yield of pulp in a modified continuous cooking method or the whole boiler isothermal cooking method by providing an effective method for using a quinone compound and a polysufude in alkali cooking.The...  
JP2003278088
To provide a method for producing an ECF bleached pulp improving the whiteness of unbleached pulp without decreasing the unbleached pulp yield and effective for decreasing the total amount of bleaching chemicals in the ECF bleaching usin...  
JP3467754
To provide a method for producing a pulp raw material for obtaining good-quality pulp from a plant fiber comprising a non-wood material disposed in large amounts and an apparatus used for the above producing method. A vegetable fiber suc...  
JP3461311
To provide a method utilizing the outstanding feature of a vapor phase digester having a zone filled with gas on the liquid level while having merit of a flooded-digesting can in a continuous digesting can for cellulose pulp and their ap...  
JP2003227085
To provide an improved continuous cooker for producing chemical cellulose pulp from cellulose chips.The continuous cooker comprises a continuously cooking tank 10 having a lower part filled with cellulose chips and an upper part filled w...  
JP2003213581
To provide a method for continuously producing kraft pulp, which is especially well suited for modifying existing pulp digesters without the need for incorporating additional liquor extraction screens.This method for continuously produci...  
JP2003201689
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 treating...  
JP2003193385
To provide a papermaking chemical having excellent dispersing effect and to provide a method for efficiently producing a high quality pulp.This papermaking chemical comprises a polyaminepolyalkoxylate compound obtained by adding an alkyl...  
JP2003193386
To reduce energy costs in a method for producing a chemical pulp by cooking wood chips including knots in a digester.This method for producing the chemical pulp comprises (a) a step for forming a low pressure slurry composed of a liquid ...  
JP2003113586
To provide a method for producing high quality long fiber pulp having high degree of whiteness with reducing environmental load by waste water.This method for producing the long fiber pulp mild to the global environment is to make use of...  
JP2003082592
To provide a method for producing nonwood pulp, capable of producing the pulp through an environment-friendly system.In this method for producing the nonwood pulp, a flue gas is washed with a potassium-based alkaline solution so as to fo...  
JP2003064588
To provide a kraft digestive process for lignocellulose capable of raising its unbleach whiteness degree without lowering unbleached pulp yield and also of cutting the amount of a bleaching chemical to be used.This kraft digestive proces...  
JP3401674
To provide pulp raw materials for obtaining excellent pulp from plant fibers comprising abundantly wasted non-wood, its producing method, an apparatus used therefor and a method for producing pulp utilizing the apparatus. This method is ...  
JP2002371487
To provide a method by which an excellent pulp can readily be produced from an unutilized resource such as a long fiber plant such as a flax or a mixed chip, etc., of a tropical timber which has hither been scarcely utilized because of d...  
JP2002371488
To provide a method for producing a pulp and a liquor for cooking the pulp using bast fibers as a raw material according to a simple process. This method for producing the pulp and the cooking liquor is carried out as follows. A small am...  
JP2002363880
To provide a paper and a method for producing the same for meeting with a need of solving problems in that although a bagasse pulp is produced in a relatively large amount as a non-wood pulp and capable of being supplied in a large amoun...  
JP2002362011
To provide an excellent Japanese paper-like color copying paper, on which clear colors can be printed by ink jetting, and its manufacturing method. This ink jet paper is non-bleed, has a Japanese paper-like appearance and consists of a s...  
JP2002363881
To provide a method for producing a high quality paper by using a new un-used long fiber resource, pulping of the same, beating and blending with a bagasse pulp and blending with the other sub raw materials for meeting with a need in tha...  
JP2002363878
To provide a method for manufacturing pulp having high whiteness, good in strength and having high quality in a closed system not only without using a chlorine bleaching agent but also without using a sulfur-based cooking chemical. The m...  
JP2002363882
To provide a high quality paper of 100% non-wood pulp instead of wood pulp paper consumed every day in a large amount for maintaining the earth environment, and a method for producing the same. This high quality paper of 100% non-wood pu...  
JP2002363877
To solve problems: pulps having fibers longer than the fibers of wood pulps can be produced from various hemps, and also from raw materials comprising leaves of pineapple, banana or the like, and they are valued highly as long fiber pulp...  
JP2002273407
To provide a method of restoring soil environment which reduces the concentration of contamination of the soil contaminated with a metal or an organic material by cultivating plants, moreover, obtains a safe raw material for industrial u...  
JP2002266268
To easily supply and produce excellent pulp by storing and transporting a large amount of non-wood fiber source as a raw material of pulp to stably supply it to a huge pulp mill, and promote the measures and streamlining of environment.T...  
JP3348545
PURPOSE: To obtain base paper for fibrous casing capable of improving strength of casing to pack an edible meat product such as ham or sausage, having excellent wet strength and alkali resistance without preproviding the base paper with ...  
JP3348387
PURPOSE: To produce pulp having extremely small quantity of residual lignin by cooking lignocellulose under pressure and heating with an organic cooking liquor consisting of formic acid, acetic acid and water. CONSTITUTION: A wood such a...  
JP2002212888
To provide a method for producing a banana pulp excellent as a raw material of Japanese paper, which is friendly to the environment.A raw hemp of banana is digested in an aqueous solution containing an alkali hydroxide and hydrogen perox...  

Matches 701 - 750 out of 1,000