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Matches 51 - 100 out of 2,239

Document Document Title
WO/2014/004842A1
Digestion of cellulosic biomass solids to form a hydrolysate may be conducted with integrated catalytic reduction during digestion to transform soluble carbohydrates in the hydrolysate into a more stable reaction product. Such integrated...  
WO/2014/000420A1
The present invention provides a pulping method. Caustic soda is replaced with cheap lime to manufacture pulp in high efficiency, and meanwhile complexation, flocculation and acid-base neutralization of aluminum sulfate are further utili...  
WO/2013/188401A1
A process for producing energy from lignin. Black liquor from a pulp mill is introduced into an absorption column at an elevated pH and carbonated at elevated temperature and pressure with C02 to neutralize NaSH and/or NaOH. The black li...  
WO/2013/184605A1
Methods to preserve starch present in pulp are provided and also methods to control calcium precipitation and/or scaling in digesters or BOD systems. The methods can be performed as part of a papermaking process. Process water containing...  
WO/2013/178608A1
The present document relates to processes for manufacturing pulp and more specifically to improved processes for manufacturing dissolving pulp. The processes have primarily been developed to be used in connection with large scale kraft p...  
WO/2013/177487A3
The present disclosure is related to methods of producing pulp from wood using an application of oxalic acid prior to mechanical defibration/refining. In one embodiment, the present invention relates to a method for producing a pulp from...  
WO/2013/173576A1
Embodiments of the present invention provide for efficient and economical production and recovery of volatile organic compounds and hydrocarbons. One embodiment comprises contacting a solid component of a biomass material with a solution...  
WO/2013/171248A3
The invention relates to a method for separating mixed cellulose-plastic products, wherein the following steps are carried out: a) slurrying the mixed cellulose-plastic products with water; b) introducing the slurry produced in step a) i...  
WO/2013/165968A1
Processes for producing animal feeds from biomasses are disclosed. Uses of the processed biomasses and, optionally industrial co-products, as animal feeds are also disclosed.  
WO/2013/164234A1
The invention relates to a method for obtaining pulp having low lignin content, characterized by a combination of the measures in which a) lignocellulosic material is treated with an aqueous solution, which contains a C1-6 alcohol and ha...  
WO/2013/162422A3
The invention relates to a method for obtaining cellulose and a solution of water-soluble products which consists in pouring water, containing 1-10% ethanol, into a reactor, heating the water to 58-75°С, adding FeCl3 х 6Н2О and soda...  
WO/2013/158384A1
A surfactant treated bleached softwood kraft pulp fiber, useful as a starting material In the production of cellulose derivatives including cellulose ether, cellulose esters and viscose, is disclosed. Methods for making the kraft pulp fi...  
WO/2013/153203A1
Low transition temperature mixtures (LTTMs) or solvents are provided that can be used in methods and systems to dissolve and hydrolyze certain components from lignin-containing biomass (e.g. lignin) at mild conditions so that further deg...  
WO/2013/144446A1
The invention relates to a method for isolating xylan from plant material. In the method, cellulose fibres which contain xylan are used, advantageously cellulose fibres from hardwood; and xylan is extracted (20) from said cellulose fibre...  
WO/2013/143047A1
A preparation process of eucalyptus dissolving pulp comprises the following steps: a: performing pre-steaming; b: subjecting eucalyptus chips to prehydrolysis in an independent continuous hydrolysis tower; c: cooking the hydrolyzed eucal...  
WO/2013/141687A1
The invention provides a biodegradable and/or compostable pulp composition, moulded pulp article(s) and preparation process thereof. The pulp composition is prepared from non-wood fibres with diameters from 2.5 to 10 μιτι. The pulp c...  
WO/2013/141686A1
The invention provides a biodegradable and/or compostable pulp composition, moulded pulp article(s) and preparation process thereof. In particular, the biodegradable and/or compostable pulp composition comprises an exogenous protease, e....  
WO/2013/135965A1
A process for the production of levulinic acid and formic acid and, if desired, cellulose, a sugar product and/or bio- ethanol from biomass in a formic acid-based cooking process, wherein the formic acid is used as a catalyst for the for...  
WO/2013/128196A1
A composition and method of preparing a composition is presented wherein the composition comprises cellulose platelets and the cellulose platelets comprise at least 60% cellulose by dry weight,less than 10% pectin by dry weight and at le...  
WO/2013/122917A1
The present disclosure relates to methods for detoxifying a hydrolysate obtained from a lignocellulosic biomass and methods of producing ethanol from the detoxified hydrolysate. The present methods provide detoxified hydrolysates in whic...  
WO/2013/119977A1
A method of digesting lignocellulosic material includes the steps of providing the lignocellulosic material and a caustic composition having a pH of at least about 10. The caustic composition includes water, an alkaline- or alkaline eart...  
WO/2013/107947A1
The present invention describes a method for pretreating lignocellulosic biomass comprising: a) a step of acid hydrolysis of the biomass with an acid solution resulting in a liquid fraction and a solid fraction, b) a step of separating t...  
WO/2013/107948A1
The present invention relates to a method for preprocessing lignocellulosic biomass, include: a) a step for the acid hydrolysis of the biomass using an acid solution so as to obtain a liquid fraction and a solid fraction; a step of separ...  
WO/2013/106703A1
A bleached softwood kraft pulp fiber with high alpha cellulose content and improved anti-yellowing is provided. Methods for making the kraft pulp fiber and products made from it are also described.  
WO/2013/082735A1
A sectional pulping process for extracting fiber from plant materials by using a chemical mechanical pulping method comprises: fully soaking the material in black liquor of low-concentration NaOH solution, KOH solution, limewater or with...  
WO/2013/068092A1
The disclosure describes a process for the production of a cellulosic feedstock for enzymatic hydrolysis and/or a lignin fraction for chemicals production, characterized in that a) the raw material is lignocellulosic biomass b) the bioma...  
WO/2013/070969A3
The present disclosure provides a solid lignocellulosic hydrolysate and methods to prepare the solid lignocellulosic hydrolysate from a woody biomass or an herbaceous biomass. The solid lignocellulosic hydrolysate allows for ease of stor...  
WO/2013/070969A2
The present disclosure provides a solid lignocellulosic hydrolysate and methods to prepare the solid lignocellulosic hydrolysate from a woody biomass or an herbaceous biomass. The solid lignocellulosic hydrolysate allows for ease of stor...  
WO/2013/066196A1
A continuous flow wood processing technology for extracting lignin from woody plant material and converting the delignified cellulosic residue to crude bio-oils is provided. Wood is chipped before processing starts and fed into a lignin ...  
WO/2013/049222A1
A process for making a fibrillated blend of lyocell and cellulose pulp fibers in which a blend of lyocell and cellulose pulp fibers is provided. The lyocell is from 25% to 75% of the total weight of the blend of lyocell and cellulose pul...  
WO/2013/044347A1
Disclosed is a method of producing various paper types from a nonwood fiber source such as a mixture of flax and wheat. The fiber source is chopped to an average length between 1 and 100 mm, wet-processed, dewatered, and heated in the pr...  
WO/2013/041207A1
The invention relates to a device for hydrothermally pulping dried, lignified lignocellulosic biomass which, in particular, is ball-shaped. Said device consists of a pulping vessel (13) that receives balls of biomass (5) and comprises a ...  
WO/2013/041674A3
A process for processing a lignocellulosic material comprising the steps of a) contacting a lignocellulosic material at a temperature in the range from equal to or more than 120 °C to equal to or less than 210°C with an aqueous acid so...  
WO/2013/033386A1
A pulping process comprises using a high concentration of anthraquinone (AQ). The pulping process is capable of providing a pulp having low Kappa number with unexpectedly high strength. The pulping process can use wood or non-wood fibers...  
WO/2013/033405A1
One aspect of the invention relates to an article of manufacture made from a pulp composition comprising an ARF pulp. In one embodiment, the pulp composition made from agricultural renewable fibers (ARF) having low Kappa number with unex...  
WO/2013/032377A1
The invention is related to a method for the preparation of kraft pulp with increased pulping yield from lignin-containing cellulosic material using polysulfide cooking liquor. In order to increase carbohydrate stabilization and hence th...  
WO/2013/008135A1
Method for production of cellulose and hemicellulose fibers from lignocellulose biomass obtained from sugarcane leaves and buds by applying a process comprising the stages of: a) Diminishing the particle size of the lignocellulose biomas...  
WO/2013/000074A1
A biorefining method of processing a lignocellulosic biomass to separate lignin and hemicellulose from cellulose includes the steps of (a) reacting the biomass in an aqueous slurry having a pH less than 7, comprising a transition metal c...  
WO/2013/000074A9
A biorefining method of processing a lignocellulosic biomass to separate lignin and hemicellulose from cellulose includes the steps of (a) reacting the biomass in an aqueous slurry having a pH less than 7, comprising a transition metal c...  
WO/2012/174429A1
This specification discloses a complete method to manufacture polyester articles from freshly harvested ligno-cellulosic biomass. The process steps include pretreating the biomass and the converting the lignin to one of several possible ...  
WO/2012/168513A1
Method for Kraft cooking of lignocellulose material with low-sulphide alkaline lyes in the production of pulp with direct incorporation of dihydroxyanthracene disodium saltinto the digester. The additive is obtained in parallel with the ...  
WO/2012/162443A3
A process for producing biofuel from biomass that includes free monosaccharides is provided. The process comprises the steps of mixing the biomass with a recycled hydrolysate for a sufficient time to elute a portion of the free monosacch...  
WO/2012/158075A1
The invention is related to an improved compact process for producing dissolving pulp in a prehydrolysis kraft cooking process. In order to avoid pitch problems with blocked withdrawal screens and to obtain a distinct ending of the prehy...  
WO/2012/147094A1
A method for extraction of black liquor from a horizontal tube continuous digester (8,9) is disclosed. The method comprises of passing a mixture of pulp and black liquor from the horizontal tube continuous digester (8,9) through a screw ...  
WO/2012/147094A8
A method for extraction of black liquor from a horizontal tube continuous digester (8,9) is disclosed. The method comprises of passing a mixture of pulp and black liquor from the horizontal tube continuous digester (8,9) through a screw ...  
WO/2012/137076A1
A method and system for pulp manufacturing used in connection with a kraft process includes a vertical pressure vessel operated in batch mode, a single-vessel or multi-vessel continuous digester, and other equipment for further processin...  
WO/2012/135001A2
Formulations and methods for papermaking are disclosed herein using one or more volatile debonders, where the volatile debonder forms a solution or an emulsion with water in a paper precursor, and where the volatile debonder is evaporabl...  
WO/2012/134358A1
The invention relates to a method and arrangement for adding treatment liquid to comminuted cellulose material, preferably wood chips, during the manufacture of chemical pulp in a continuous process. Said process using a down flow vessel...  
WO/2012/131665A1
A method of transforming a lignocellulose material comprises the steps of: a. combining a lignocellulose material with a solution containing hydrogen peroxide and a hydrogen peroxide stabiliser to produce a mixture that is at least 3% by...  
WO/2012/130957A1
The invention relates to a method for producing a cellulose-containing mass for forming a cellulose-containing composite material comprising following steps: (a) providing an input material comprising at least one cellulose-containing ra...  

Matches 51 - 100 out of 2,239