| Document |
Document Title |
|
JP2009074234A |
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...
|
|
JP4242272B2 |
Compositions and method for improving properties of pulp produced or reducing the digester cycle time in alkaline chemical pulping processes in which an effective amount of at least one selected phosphonate or carboxylate compound or mix...
|
|
JP4230612B2 |
In a process for producing kraft pulp, the process is made closed, the yield of pulp is improved and environmental problems are minimized. An alkaline solution containing Na2S which flows in a process of producing kraft pulp, is electrol...
|
|
JP2009019326A |
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...
|
|
JP4205855B2 |
|
|
JP4204459B2 |
Compositions and method for improving inhibition of calcium salt scale formation under the conditions found in chemical pulp processes in which an effective amount of selected phosphonates or phosphonate blends is admixed with the aqueou...
|
|
JP2008308812A |
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...
|
|
JP4192565B2 |
|
|
JP4192584B2 |
|
|
JP4192566B2 |
|
|
JP4192567B2 |
|
|
JP4176179B2 |
|
|
JP4170780B2 |
A method for adding cooking liquor into a vapor phase continuous digester for producing chemical cellulose pulp from cellulose chips including: introducing a slurry of the cellulose chips from a feed system to an inverted top separator i...
|
|
JP2008248450A |
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...
|
|
JP4160639B2 |
Disclosed are modified cellulosic fibers having a dry zero span tensile index that is substantially less than the dry zero span tensile index of the corresponding unmodified cellulosic fibers. Fibers having reduced dry zero span tensile ...
|
|
JP4146108B2 |
A chip feeding system for a continuous digester provides for a greater rate of delivery of chip slurry to the digester, and is much less expensive than conventional chip feeding systems, typically being only 40-50% of the height of the c...
|
|
JP2008532021A |
A method for the determination of a cellulosic-fibre property, namely, residual lignin content or Kappa number of chemical pulp, with the aid of a spectroscopic technique obtained over a range covering the visible and the near-infrared r...
|
|
JP2008150721A |
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...
|
|
JP2008121127A |
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...
|
|
JP4080994B2 |
Compositions and method of improving inhibition of calcium salt scale formation under the conditions found in chemical pulp processes in which an effective amount of selected phosphonates or phosphonate blends is admixed with the black l...
|
|
JP2008057077A |
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...
|
|
JP4058347B2 |
The invention relates to a method for supplying washing liquid to a digester ( 1 ) for cellulose pulp and a subsequent diffuser washing device ( 2 a, 2 b). A high, disturbance-free production capacity can be obtained by using a common fe...
|
|
JP2008045223A |
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...
|
|
JP2008013859A |
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...
|
|
JP4016948B2 |
|
|
JP4015109B2 |
The use of low specific gravity wood from thinning operations, for example, will produce a lower brownstock viscosity for a given kappa number target. A differential of 200-cP falling ball pulp viscosity has been detected from Kraft cook...
|
|
JP4012878B2 |
Production of pulp comprises pulping a wood material with a specific gravity less than 0.41 by an alkaline pulping process; and bleaching the pulp to reduce the viscosity of the pulp and provide a bleached pulp.
|
|
JP4011812B2 |
Anthraquinone is removed from tall oil or tall oil fraction by adsorption with activated carbon. The process is particularly useful in the removal of anthraquinone from tall oil heads.
|
|
JP2007283234A |
To provide a separation and recovery method of harmful metal components from waste wood by digesting and pulping waste wood containing harmful components such as CCA (Chrom, Copper and Arsenic components), and electrodepositing the harmf...
|
|
JP3989153B2 |
|
|
JP3969598B2 |
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...
|
|
JP3965154B2 |
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...
|
|
JP3965153B2 |
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...
|
|
JP3964201B2 |
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...
|
|
JP3921242B2 |
PCT No. PCT/FI97/00233 Sec. 371 Date Dec. 30, 1998 Sec. 102(e) Date Dec. 30, 1998 PCT Filed Apr. 15, 1997 PCT Pub. No. WO97/39181 PCT Pub. Date Oct. 23, 1997Pulp is effectively and simply fed into a pulp tower using at least one feed pip...
|
|
JP2007119934A |
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...
|
|
JP2007510814A |
A method is provided for treating black liquor particularly derived from nonwood pulp, by heating with an alkaline earth metal oxide in a toroidal fluidised bed reactor (304) at a temperature of above 650°C. The method may be used alone...
|
|
JP3898160B2 |
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...
|
|
JP3897530B2 |
An improved process for inhibiting calcium carbonate scaling in aqueous systems such as that employed in the kraft process for the production of wood pulp. Such an improved process is achieved by the addition to the system of at least on...
|
|
JP3872017B2 |
Removal of hemicelluloses (I) from hemicullulose-containing biomaterials involves: (a) extraction of (I) by treating the material with a complex compound in aqueous solution to form a soluble complex of (I); and (b) separation of the com...
|
|
JP2007002383A |
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...
|
|
JP2006527800A |
A new method for making pulp out of agricultural residue includes harvesting certain portion of plant stalk. The harvested plant stalk is bailed, transported and stored. At the mill, the plant stalk is chopped and goes through pulping pr...
|
|
JP2006523527A |
Block copolymers having two blocks and having the general formula (III) : R<13>[(OR<14>)j (OR <16)>l< >OR <17>]m wherein R<13 >is the residue of an organic initiator; R<14 >is one or more C2-C4 alkylene groups; R<16 >is one or more C2-C4...
|
|
JP3832373B2 |
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 ...
|
|
JP2006522235A |
A method for washing sulphate cellulose pulp in the washing department of a sulphate cellulose mill, in which method a first pulp flow ( 1 ) is conducted to a first washer ( 101 ), where a washing liquid ( 12 ) is combined with the first...
|
|
JP3811833B2 |
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...
|
|
JP3789933B2 |
PCT No. PCT/EP94/01966 Sec. 371 Date Nov. 7, 1996 Sec. 102(e) Date Nov. 7, 1996 PCT Filed Jun. 16, 1994 PCT Pub. No. WO94/29510 PCT Pub. Date Dec. 22, 1994A process for modifying, breaking down or bleaching lignin, material containing li...
|
|
JP3782824B2 |
The present invention relates to a digester and a method for continuously cooking kraft pulp in a single-vessel system (1), preferably a single-vessel hydraulic digester, with chips (2) being fed in at a first end (3) of the digester (1)...
|
|
JP3783987B2 |
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...
|
|
JP2006112004A |
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...
|
