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Matches 51 - 100 out of 2,303

Document Document Title
WO/2014/164581A1
Lignocellulosic biomass pretreated with ammonia where the concentration of the biomass in the reaction mixture is reduced over time was found to produce more sugars following saccharification, as compared to equivalent biomass pretreated...  
WO/2014/159887A1
Digestion of cellulosic biomass solids can be enhanced in the presence of a phenolic solvent. Methods for digesting cellulosic biomass solids can comprise providing cellulosic biomass solids containing up to about 50% water by mass in a ...  
WO/2014/159892A1
Digestion of cellulosic biomass solids can be enhanced in the presence of a phenolic solvent. Methods for digesting cellulosic biomass solids can comprise providing cellulosic biomass solids in a digestion medium comprising a phenolic so...  
WO/2014/159900A1
A novel method of separating bio oil (pyrolysis oil) into oxygenated rich species and lignin/phenolic based species in a highly efficient manner is provided. Lignin and phenolic fractions can be separated from light oxygenates from bio o...  
WO/2014/157493A1
The present invention addresses the problem of providing a technique for manufacturing a high-quality dissolving kraft pulp in a high yield. A process for manufacturing a dissolving kraft pulp which comprises (a) a step for subjecting wo...  
WO/2014/159877A1
Digestion of cellulosic biomass solids can be enhanced in the presence of a phenolic solvent. Methods for digesting cellulosic biomass solids can comprise providing cellulosic biomass solids in a digestion medium comprising water and an ...  
WO/2014/147293A1
The field concerned is NFC or MFC production using chemical pulping. Herein is provided an environmentally friendly and improved pulping and papermaking method and dissolution and digestion method of cellulosic mate- rial. It is especial...  
WO/2014/148611A1
A production method for a black liquor according to the present invention includes cooking a tobacco raw material in alkaline conditions to obtain a black liquor. A production method for a liquid containing a flavoring component accordin...  
WO/2014/140852A3
A pulp fiber with an enhanced carbonyl content resulting in improved antimicrobial, anti-yellowing and absorptive properties. Methods for making the kraft pulp fiber and products made from it are also described.  
WO/2014/140643A1
The present invention relates to an improved method for treating a lignocellulose biomass in order to dissolve the lignin therein, while the cellulose does not dissolve. The cellulose pulp obtained can be used to produce glucose. In addi...  
WO/2014/132056A1
There is described a method of fractionating a biomass material comprising: (i) blending the biomass material with an acid catalyst to form a slurry; (ii) mixing the slurry with an organosolv reagent optionally under an inert atmosphere ...  
WO/2014/132055A1
There is described a method of processing biomass which comprises the steps of: (i) processing biomass material in an aqueous system in the presence of an oxalic acid catalyst to produce a slurry; (ii) subjecting the slurry to an acidifi...  
WO/2014/126471A1
Lignocellulosic biomass can be fractionated for the purpose of increasing cellulose purity in the pulp, increasing native lignin content of the isolated lignin, and improving cellulose hydrolysis, by performing the steps of: (a) extracti...  
WO/2014/122533A3
A bleached softwood kraft pulp fiber with high α-cellulose content and a low CED viscosity is provided, A surfactant treated fiber useful in the production of chemical derivatives is also described. Methods for making the kraft pulp fib...  
WO/2014/118699A1
The invention relates to a process for obtaining pulp from vegetable waste and to the resulting product. The process comprises the following steps: a) breaking the fibres of the vegetable waste using a mechanical process; b) releasing th...  
WO/2014/113884A1
Described herein are processes for the production of a cellulose pulp and processes for isolating cellulose from cellulose-containing biomass. The processes of the invention comprises contacting the biomass with a source of anions and a ...  
WO/2014/105997A1
In some variations, the invention provides a process for producing purified cellulose, comprising: providing a feedstock comprising lignocellulosic biomass; contacting the feedstock with sulfur dioxide, water, and a solvent for lignin, t...  
WO/2014/101867A1
Provided is an ultrahigh-viscosity refined cotton production technology, comprising material selection, cotton opening, impregnation, pretreatment, cooking, bleaching and rolling, and drying. By adding the pretreatment procedure, a suffi...  
WO/2014/105601A1
The disclosed invention is a modification of the AVAP®? technology, employing CO2 (or derivatives thereof) rather than SO2 in the cooking liquor. In some variations, the invention provides a process for fractionating cellulosic biomass ...  
WO/2014/105610A1
In some variations, the invention provides a process for fractionating biomass, comprising: in a digestor, fractionating a biomass feedstock in the presence of a solvent for lignin, sulfur dioxide, and water, to produce a liquor containi...  
WO/2014/094104A1
The present disclosure related to Organosolv processes for recovery of lignin derivatives from lignocellulosid feedstocks chosen from i) hardwood, ii) softwood, and iii) annual fibre. The lignin derivatives from each of these feedstocks ...  
WO/2014/090609A1
The invention relates to a method for producing cellulose from material containing lignocellulose by means of sulfite decomposition or sulfate decomposition in the presence of a salt of dithionous acid, characterized in that the salt of ...  
WO/2014/072584A1
This invention relates to a method for treating liquid flows at a chemical pulp mill. The method comprises producing unbleached pulp in a brown stock preparation unit (20), dosing first acidification chemical to the unbleached pulp flow ...  
WO/2014/072394A1
The invention relates to a process for the preparation of a fermentation product from ligno-cellulosic material, comprising the following steps: a) optionally pre-treatment of the ligno-cellulosic material; b) optionally washing of the o...  
WO/2014/072389A1
The invention relates to a process for the preparation of a fermentation product from ligno-cellulosic material, comprising the following steps: a) optionally pre-treatment of the ligno-cellulosic material; b) optionally washing of the o...  
WO/2014/070580A1
Digestion of cellulosic biomass solids may be complicated by release of lignin therefrom. Methods for digesting cellulosic biomass solids may comprise: heating cellulosic biomass solids and a digestion solvent in the presence of molecula...  
WO/2014/063260A1
The present invention relates to a method for the industrial-scale processing of green rye in order to extract cellulose fibres that can be used notably in the preparation of paper pulp, in the manufacture of non-woven products, to provi...  
WO/2014/060651A8
A solution containing lignocellulose material solvated in an ionic liquid that comprises anions and cations. The cation is selected from substituted phosphonium ions having Formula (II), +P[R1 R2 R3 R4], wherein +P stands for a phosphoni...  
WO/2014/060651A1
A solution containing lignocellulose material solvated in an ionic liquid that comprises anions and cations. The cation is selected from substituted phosphonium ions having Formula II, wherein P stands for a phosphonium ion and each R1, ...  
WO/2014/055726A1
The GreenBox+ technology is suitable to extract hemicellulose sugars prior to pulping of biomass into pulp products. The revenue obtainable from the sugar stream can significantly improve the economics of a pulp and paper mill. An initia...  
WO/2014/046893A1
Soak vessels for impregnating biomass with a liquid such as a dilute acid and methods for impregnating biomass are disclosed. In some embodiments, the soak vessel includes an impeller assembly with impellers that create a vortex to subme...  
WO/2014/043781A1
A method and apparatus for contacting and reacting fine cellulosic material with acid to produce partly-hydrolyzed cellulose, in which the cellulose is compressed to form higher density material, resulting in reduced consumption of acid ...  
WO/2014/039560A1
Variations of this invention reduce or avoid lignin precipitation during acidic hydrolysis of biomass hydrolysates (such as hemicellulose-containing liquid extracts). Net acid usage and byproduct salt formation are significantly reduced....  
WO/2014/031672A2
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 to form a cellulosic product comprising ...  
WO/2014/019589A1
The invention relates, in general, to methods of processing lignocellulosic biomass to fermentable sugars and to methods that rely on hydrothermal pretreatment. Xylose monomer yields comparable to those achieved using two-stage pretreatm...  
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/2014/004867A1
Digesting cellulosic biomass solids in the presence of a well-distributed slurry catalyst capable of activating molecular hydrogen may limit the amount of degradation products that form during digestion. Methods for digesting cellulosic ...  
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/2014/004859A1
Digesting cellulosic biomass in the presence of a slurry catalyst may reduce degradation product formation, but catalyst distribution and retention can be problematic. Digestion methods can comprise: providing cellulosic biomass solids a...  
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/2013/171248A3
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/2013/173576A1
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/2013/165968A1
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...  

Matches 51 - 100 out of 2,303