Matches 1 - 28 out of 28


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US20140273104 PRETREATMENT AND FRACTIONATION OF LIGNOCELLULOSIC BIOMASS  
Method and apparatus for enhanced production of sugars and lignin via fractionation of lignocellulosic biomass through sequential ionic liquid pretreatment and mild alkaline treatment. The...
US20140045226 PROCESS FOR TREATING LIGNOCELLULOSIC BIOMASS  
A process for treating lignocellulosic biomass is described. The process includes treating particulate biomass with alkali to partially remove hemicellulose sheath on cellulose microfibrils of the...
US20150122429 METHOD FOR PRODUCING PULP HAVING LOW LIGNIN CONTENT FROM LIGNOCELLULOSIC MATERIAL  
A method for the production of cellulose having a low lignin content characterized by a combination of the measures that a) a lignocellulosic material is treated with an aqueous solution...
US20150136345 METHODS OF WASHING CELLULOSE-RICH SOLIDS FROM BIOMASS FRACTIONATION TO REDUCE LIGNIN AND ASH CONTENT  
The present invention provides a process for fractionating lignocellulosic biomass, comprising: digesting a biomass feedstock in the presence of a solvent for lignin, an acid, and water, to...
US20150041082 PROCESS FOR AMBIENT TEMPERATURE FRACTIONATION AND EXTRACTION OF VARIOUS BIOMASSES  
The present invention provides a process for fractionating biomass into its individual components. The process includes pretreating a biomass which may include mechanically altering the fibers...
US20090288788 Pretreating cellulosic biomass  
The present invention pertains to methods for pretreatment of cellulosic biomass for bioconversion into ethanol and other biofuels and wood-based chemicals, recycling of newsprint and other paper...
US20150259709 PROCESSES FOR PRODUCING FLUFF PULP AND ETHANOL FROM SUGARCANE  
The disclosure provides a process for producing fluff pulp and ethanol from sugarcane bagasse or straw, comprising: fractionating the feedstock in the presence of an acid catalyst, a solvent for...
US20130178563 PROCESSES FOR RECOVERY OF DERIVATIVES OF NATIVE LIGNIN  
The present disclosure relates to processes for recovery of derivatives of native lignin from lignocellulosic feedstocks wherein the derivatives have a certain aliphatic hydroxyl content....
US20150136344 PRODUCT AND PROCESSES FROM AN INTEGRATED FOREST BIOREFINERY  
An omnibus process of pulping and bleaching lignocellulosic materials in which a charge of a lignocellulosic material is biopulped and/or water extracted prior to pulping and bleaching. The...
US20140182796 PRODUCT AND PROCESSES FROM AN INTEGRATED FOREST BIOREFINERY  
An omnibus process of pulping and bleaching lignocellulosic materials in which a charge of a lignocellulosic material is biopulped and/or water extracted prior to pulping and bleaching. The...
US20140326421 Processes for Purifying a Cellulosic Material  
A process for treating a cellulosic material comprising extracting the cellulosic material with an extractant to selectively extract hemicellulose therefrom and separating the extracted...
US20150225901 Method of producing dissolving pulp, dissolving pulp and use of method  
A method of producing dissolving pulp from a recycled fibrous feedstock. The method comprises providing a fibrous material comprising cellulose, lignin and hemicellulose, said fibre source further...
US20130228298 DERIVATIVES OF NATIVE LIGNIN FROM SOFTWOOD FEEDSTOCKS  
The present invention relates to softwood lignin derivatives having an aliphatic hydroxyl content of from about 2.5 mmol/g to about 7 mmol/g lignin, and the preparation method thereof. The lignin...
US20150122430 METHOD FOR PRODUCING FINE FIBERS AND SHEET CONTAINING FINE FIBERS  
The object of the present invention is to provide a method for producing fine fibers and a sheet containing fine fibers, whereby fiber refinement (fibrillating) of a fiber material is facilitated,...
US20140096923 PROCESSES FOR PRODUCING CELLULOSE PULP, SUGARS, AND CO-PRODUCTS FROM LIGNOCELLULOSIC BIOMASS  
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...
US20140096922 PROCESSES FOR PRODUCING CELLULOSE PULP, SUGARS, AND CO-PRODUCTS FROM LIGNOCELLULOSIC BIOMASS  
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...
US20100122784 PROCESS FOR TREATING PULP MILL CONDENSTATES USING A HOLLOW FIBER CONTACTOR  
A method and apparatus for the treatment of pulp mill condensates is described. A hollow fiber contactor, incorporating a hydrophobic membrane, was used to remove several undesirable compounds...
US20130174993 Process of Extraction of Hemicellulose From Corn Fiber  
A process of separating one or more components of corn fiber that comprises contacting the corn fiber with an extraction fluid that comprises at least one weak acid, increasing the temperature of...
US20130197135 DERIVATIVES OF NATIVE LIGNIN FROM ANNUAL FIBRE FEEDSTOCKS  
The present invention provides derivatives of native lignin having certain aliphatic hydroxyl content. Surprisingly, it has been found that consistent and predictable antioxidant activity may be...
US20130296545 PROCESS FOR PRODUCING A PULP  
The invention relates to a process for producing a dissolving pulp from a cellulosic starting material using the kraft process, comprising the step of cooking the starting material with a cooking...
US20170137578 ISOLATION METHOD FOR WATER INSOLUBLE COMPONENTS OF A BIOMASS  
The process includes pretreating the biomass with a first basic solution such as sodium hydroxide and mechanically altering the fibers to provide a fluidized biomass. The fluidized biomass is then...
US20170121906 METHODS FOR THE PRODUCTION OF HIGH ALPHA-CELLULOSE PULP  
In alternative embodiments, provided herein are methods and industrial processes for generating high purity (high alpha cellulose) pulp from lignocellulosic feedstocks, comprising directly...
US20160326204 PROCESS FOR PREPARING NON-PYROLYTIC BIO-OIL FROM LIGNOCELLULOSIC MATERIALS  
The present invention refers to a process for catalytic fractionation of plant biomass, producing non-pyrolytic bio-oil from lignocellulosic materials in addition to a high-quality pulp comprising...
US20160185810 RESIN COMPOSITIONS COMPRISING LIGNIN DERIVATIVES  
The present invention provides derivatives of native lignin having a certain ethoxy content. Surprisingly, it has been found that phenolic resins comprising derivatives of native lignin having...
US20160168796 CELLULOSE BASED HYDROGELS AND PROCESS FOR MAKING THE SAME FROM HEMICAUSTIC BYPRODUCT  
A process for making a hydrogel forming material from a kraft or sulfite pulping process cellulosic pulp slurry by extracting hemicellulose heteropolymers from the cellulosic pulp slurry as a...
US20150345078 METHOD OF PRODUCING A SOFTWOOD LIGNIN DERIVATIVE  
The present invention relates to softwood lignin derivatives having an aliphatic hydroxyl content of from about 2.5 mmol/g to about 7 mmol/g lignin, and the preparation method thereof. The lignin...
US20150299951 DERIVATIVES OF NATIVE LIGNIN FROM ANNUAL FIBRE FEEDSTOCKS  
The present invention provides derivatives of native lignin having certain aliphatic hydroxyl content. Surprisingly, it has been found that consistent and predictable antioxidant activity may be...
US20150275432 INTEGRATION OF NON-WOODY BIOREFINING AT PULP AND PAPER PLANTS  
In some variations, a process is provided for producing a pulp product at a biorefinery site, comprising: converting a woody cellulosic material to a first pulp stream; converting a non-woody...

Matches 1 - 28 out of 28