Matches 1 - 50 out of 63 1 2 >


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US20150184212 Advanced Methods for Sugar Production from Lignocellulosic Biomass and Fermenting Sugars to Microbial Lipids  
Methods for facilitating sugar release from lignocellulosic biomass and for utilizing the sugars for microbial lipid (e.g. biofuel) production are provided. The methods involve pretreating...
US20120193050 METHOD AND ASSEMBLY FOR PROCESSING CELLULOSE PULP OF WOOD PROCESSING INDUSTRY  
A method of and an apparatus for processing cellulose pulp of wood processing industry. The method and assembly may be used, on one hand, as a pressure diffuser for washing the pulp before an...
US20120061042 METHOD AND ARRANGEMENT FOR WASH AFTER COMPLETED DIGESTION IN A CONTINUOUS DIGESTER FOR THE PRODUCTION OF CELLULOSE PULP  
Digested softened non-defibrated chips are fed out from a bottom of a digester. The chips are fed out under an influence of a bottom scraper at the bottom of the digester and through an outlet tap...
US20070039702 Purification of alkaline washing liquid  
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...
US20140110070 METHOD FOR CATALYTIC OXIDATION OF CELLULOSE AND METHOD FOR MAKING A CELLULOSE PRODUCT  
In a method for catalytic oxidation of cellulose a heterocyclic nitroxyl radical is used as catalyst, hypochlorite is used as main oxidant acting as oxygen source, and a tertiary amine or chlorine...
US20140048223 METHODS FOR REMOVING HEMICELLULOSE  
A method for treating a cellulosic material comprising extracting the cellulosic material with an extractant to selectively extract hemicellulose therein and separating the extracted hemicellulose...
US20140048222 METHODS FOR REMOVING HEMICELLULOSE  
A method for treating a cellulosic material comprising extracting the cellulosic material with an extractant to selectively extract hemicellulose therein and separating the extracted hemicellulose...
US20140048221 METHODS FOR EXTRACTING HEMICELLULOSE FROM A CELLULOSIC MATERIAL  
A method for treating a cellulosic material comprises extracting the cellulosic material with an extractant to selectively extract hemicellulose therein and separating the extracted hemicellulose...
US20070295462 Method For Treating Pulp In Connection With The Bleachine Of Chemical Pulp  
A method of treating pulp in connection with the bleaching of chemical pulp, said method including treating of the pulp in at least an ozone, chlorine dioxide or alkali phase and thereafter...
US20130078695 Pretreatment Method for Producing Water-Soluble Sugars From Lignocellulosic Material  
The invention relates to manufacturing hydrolyzable cellulose and further, if desired, sugars from lignocellulosic material by means of formic and performic acid treatment.
US20070158041 Method and arrangement for treating pulp  
The present invention relates to a method and arrangement for treating pulp. The method and arrangement according to the invention are suitable for use in production of chemical pulp in...
US20060090865 Method of bleaching cellulose pulp and bleaching line therefore  
The method is for bleaching cellulose pulp in a bleach line that has at least two bleaching steps. The filtrate distribution is led up through the bleaching line counter-currently to the flow of...
US20060201642 Methods of treating chemical cellulose pulp  
A single pulp bleaching stage comprises an acid treatment, A, a neutralization treatment, n, and a chlorine dioxide treatment, D0. The AnD0 bleaching stage may optionally include washing between...
US20120241112 METHOD AND ARRANGEMENT FOR IMPROVING A WASHING STEP AFTER COMPLETED COOKING IN A CONTINUOUS DIGESTER  
The method and an arrangement are for the improvement of a wash after completed digestion in a continuous digester for the production of cellulose pulp. The softened chips are exposed to a...
US20090218055 Method for Recovering Hydrolysis Products  
An improved method for treating lignocellulosic material, including a prehydrolysis-mass transfer process, which produces a concentrated hydrolysate volume during the time required for the...
US20110272109 METHOD AND SYSTEM FOR PULP PROCESSING USING COLD CAUSTIC EXTRACTION WITH ALKALINE FILTRATE REUSE  
A method for pulp processing includes a cold caustic extraction stage in which the spent cold caustic solution and the spent liquid used to wash the extracted pulp are concentrated by an...
US20070045157 Recovery of pin chips from a chip washing reject stream  
A recovery process and apparatus employing a pressure water washer to process wood chip wash water, to separate pin chips from sand and dirt contained in the wash water. Wash water from a chip...
US20130105097 METHOD OF PROCESSING CHEMICAL PULP  
A method is presented, by which dewatering in paper product production, optical properties, bulk and surface smoothness of the paper product can be increased. The method involves at least one step...
US20050028953 Methods for making carboxylated pulp fibers  
An apparatus for carboxylating wood pulp which utilizes the wood pulp bleach plant and the method of carboxylating the pulp which takes place in the bleach plant.
US20070272378 Method for Reducing the Extractives Content of High-Yield Pulps and Method for Producing Bleached High-Yield Pulps  
The invention relates to a method for reducing the content of extractives of a high-yield pulp in a peroxide bleaching stage, said stage including peroxide bleaching and a subsequent dewatering or...
US20120305207 METHOD FOR VAPOR PHASE PULPING WITH ALCOHOL AND SULFUR DIOXIDE  
A method for the fractionation of lignocellulosic materials into cellulose, hemicelluloses and lignin in a batch or continuous process in a treatment with vaporous mixture of aliphatic alcohol,...
US20110108223 Method For Vapor Phase Pulping With Alcohol and Sulfur Dioxide  
A method for the fractionation of lignocellulosic materials into cellulose, hemicelluloses and lignin in a batch or continuous process in a treatment with vaporous mixture of aliphatic alcohol,...
US20080210391 METHOD FOR LOADING FIBERS CONTAINED IN A PULP SUSPENSION  
The present invention serves for loading a pulp suspension (S) with calcium carbonate. Liquid calcium hydroxide as milk of lime (7) is added during or before the pulp operation (1) carried out to...
US20090277596 BLEACHING PROCESS OF CHEMICAL PULP  
A process for the bleaching of chemical pulp, comprising a first chlorine dioxide treatment (D) of the initial bleaching and chelation (Q) to be carried out in connection therewith, forming...
US20110036524 METHOD OF BLEACHING A PULP  
Methods for bleaching oxygen delignified and washed pumps having a consistency of between 8 and 20% are disclosed including a first chlorine dioxide bleaching step, washing the bleached pulp,...
US20090183845 PROCESS FOR PRODUCING BLEACHED PULP  
Provided are a method for producing bleached pulp, comprising processing unbleached pulp obtained by cooking a lignocellulose substance, for alkali-oxygen bleaching followed by treatment with...
US20110230570 MASK PACK COMPRISING COSMETIC COTTON-LIKE MATERIAL PREPARED FROM PAPER MULBERRY  
The present invention relates to a cosmetic cotton-like material having excellent air permeability that is prepared from the paper mulberry by removing fiber-binding substances such as pectin and...
US20100159515 OXIDATIVE PRETREATMENT OF BIOMASS TO ENHANCE ENZYMATIC SACCHARIFICATION  
Lignocellulosic biomass comprising lignin is treated by selective extraction and oxidation of lignin using a solvent solution comprising water in combination with at least one Mn(III) salt to...
US20080295982 Process for Producing Fiber Pulp Utilizing Bamboo and Pulp Produced Using the Same  
Disclosed is a process for producing pulp utilizing bamboo, comprising finely cutting the bamboo into short segments and subjecting the cut bamboo to screening and washing processes to thereby...
US20080196848 Apparatus and Method for Washing Pulps  
An apparatus for treating pulp including: at least one liquid-permeable surface rotating around a shaft, onto which surface a pulp layer is formed; a feeder to feed pulp to the apparatus for...
US20140227742 C1-C2 Organic Acid Treatment of Lignocellulosic Biomass to Produce Acylated Cellulose Pulp, Hemicellulose, Lignin and Sugars and Fermentation of the Sugars  
A process for production of C5 and C6 sugar enriched syrups from lignocellulosic biomass and fermentation products therefrom is described. A lignocellulosic biomass is treated with a C1-C2 acid...
US20130092336 MODIFIED KRAFT FIBERS  
A method of producing a modified pulp comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical...
US20070000628 Method for removal of metals from a bleach plant filtrate stream  
A method is disclosed for removal of non process elements from a Kraft bleach plant producing lyocell pulp. In the method the bleach plant filtrate is passed through at least one centrifugal...
US20140246158 TWO VESSEL REACTOR SYSTEM AND METHOD FOR HYDROLYSIS AND DIGESTION OF WOOD CHIPS WITH CHEMICAL ENHANCED WASH METHOD  
A reactor vessel system including: a first reactor vessel having a hydrolysate and liquid extraction screen, a first region above the extraction screen that is maintained at conditions promoting a...
US20150218758 TISSUE HAVING REDUCED HYDROGEN BONDING  
It has now been discovered that the sheet bulk of a tissue web may be increased, with little or no degradation in tensile strength, by forming the web with at least a portion of cellulosic fiber...
US20080029233 MOVING BED BIOMASS FRACTIONATION SYSTEM AND METHOD  
Countercurrent extraction of lignocellulosic biomass such as trees, grasses, shrubs, and agricultural residues or waste involves the separation of cellulose fibers from other constituents, for...
US20130192775 WASHER PRESS WITH MULTIPLE NIPS AND MULTIPLE DISPLACEMENT WASH ZONES AND METHOD  
A washer press apparatus for washing and dewatering a wide range of solids concentrations of pulp in liquid suspensions includes multiple distinct displacement wash zones about a drum with...
US20140318723 METHOD FOR USING WASHER PRESS WITH MULTIPLE NIPS AND MULTIPLE DISPLACEMENT WASH ZONES  
A method for using a washer press for washing and dewatering a wide range of solids concentrations of pulp in liquid suspensions includes multiple distinct displacement wash zones about a drum...
US20090032208 PROCESSES AND SYSTEMS FOR THE BLEACHING OF LIGNOCELLULOSIC PULPS FOLLOWING COOKING WITH SODA AND ANTHRAQUINONE  
Process for bleaching of pulps following cooking of the lignocellulosic material with soda and anthraquinone. The process may produce a whiteness on par with the bleaching of kraft pulp when using...
US20110192560 PROCESS OF PRODUCING XYLOSE AND DISSOLVING PULP  
The present invention relates to a process for the production of xylose and dissolving pulp from xylan-containing biomass, such as hardwood. The invention is based on prehydrolysis of the...
US20140374045 METHOD FOR PRETREATING CELLULOSE PULP  
A Method of pretreating native cellulose pulp in the manufacture of nanofibrillated cellulose, and a nanofibrillated cellulose product obtainable by the method.
US20060124259 Process and arrangement for replacing intra-fiber liquid in fibers with a replacement liquid  
A process and apparatus for replacing intra-fiber liquid in fibers by a replacement liquid, includes compressing the fiber cake to express a substantial quantity of intra-fiber liquid to the space...
US20120205060 METHOD AND APPARATUS FOR REDUCING IMPURITIES IN CELLULOSE FIBERS FOR MANUFACTURE OF FIBER REINFORCED CEMENT COMPOSITE MATERIALS  
A method of manufacturing high purity fiber cement grades of cellulose fibers is described. Additional washing steps, coupled with an elevated temperature, are used in the process to extensively...
US20120211183 METHOD AND APPARATUS TO PRODUCE PULP USING PRE-HYDROLYSIS AND KRAFT COOKING  
A pulp cooking system including: a cellulosic material feed system, a pre-hydrolysis reactor vessel and a Kraft cooking reactor vessel. The feed material system includes a steaming chip bin and a...
US20140350144 BIOCOMPOSITE MATERIAL  
A biocomposite material (1) and methods of production thereof are described. The biocomposite material (1) exhibits a physical stiffness, strength and toughness comparable to known glass fibre...
US20150013925 METHOD AND SYSTEM FOR HIGH ALPHA DISSOLVING PULP PRODUCTION  
A method for pulp processing used in connection with a pre-hydrolysis kraft process (PHKP) includes adding wood chips or similar material to a reaction vessel, performing pre-hydrolysis, and...
US20150041084 Processes for Purifying a Cellulosic Material  
A process for treating a cellulosic material comprising extracting hemicellulose from the cellulosic material with an extractant comprising a cellulose solvent and a co-solvent to selectively...
US20140326422 Integrated Processes for Purifying a Cellulosic Material  
A process for converting a starting material to a purified pulp material, comprising removing lignin from a starting material to form a wet pulp comprising at least 5 wt. % water, extracting...
US20100243185 APPARATUS AND METHOD FOR TREATMENT OF PULP  
Washing apparatus as well as methods for washing and dewatering a cellulose pulp are disclosed comprising a rotary drum with outer compartments for pulp washing, and a stationary casing...
US20130081769 METHOD OF MANUFACTURING PULP FOR CORRUGATED MEDIUM  
A method to make pulp adapted for forming a corrugated medium, the method includes: cooking chips in a cooking vessel using a caustic carbonated pulping soda/caustic (SC) cooking liquor injected...

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