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WO/2017/093526A1 |
A system and method to treat biomass to make bioproducts such as biofuels and biochemical is disclosed. The systems are configured to treat a liquid component separated from biomass to yield sugars available to form a fermentation produc...
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WO/2017/095313A1 |
It is disclosed a process to produce a bio-product starting from a ligno-cellulosic feedstock, comprising a pre-hydrolysis step of the ligno-cellulosic feedstock in one or more pre- hydrolysis vessels to produce a liquid pre -hydrolyzate...
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WO/2017/088061A1 |
Discharging pretreated biomass from a pretreatment reactor and mixing the discharged pretreated biomass with a cooling liquid in a vessel provides a cooled slurry having a consistency that is less than about 12 wt%. Since the consistency...
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WO/2016/197233A1 |
A highly pure lignin comprising a lignin content of at least 97% and characterized by a low carbohydrate content and substantially no sulfur content is disclosed herein. An organosolv process for extracting the highly pure lignin is also...
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WO/2016/188507A1 |
Technical problem: Biomass stored in the fermenters is processed insufficiently during anaerobic digestion because the microorganisms cannot decompose lignocellulose compounds forming cell walls of biomass with the desired efficiency. So...
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WO/2016/182867A1 |
A method of producing bleached microcrystalline cellulose which method comprises neutralizing or alkalizing an acidic microcrystalline production reaction mixture slurry, typically produced by acid hydrolysis or by electronic beam irradi...
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WO/2016/168195A1 |
The present application relates to reaction mixtures comprising biomass, a solid acid catalyst and celluloytic enzymes or organisms expressing such enzymes for converting biomass to useful feedstocks and methods of forming products via f...
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WO/2016/161515A1 |
A two-step method for activating a cellulosic feedstock is described. The feedstock is subjected to a first high temperature activation step at a temperature greater than 190°C and a second activation step at a lower temperature under a...
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WO/2016/145527A1 |
Provided herein is a process for producing a fermentation product from a lignocellulosic feedstock. The process comprises soaking a lignocellulosic feedstock in an aqueous solution to produce a soaked feedstock. The soaked feedstock is a...
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WO/2016/145531A1 |
A process for producing ethanol from lignocellulosic biomass includes adding at least one of sulfur dioxide and sulfurous acid to the lignocellulosic biomass to provide an equivalent sulfur dioxide loading of at least 10 wt% sulfur dioxi...
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WO/2016/145530A1 |
The present invention provides a process for producing a fermentation product from a lignocellulosic feedstock. The process comprises soaking a lignocellulosic feedstock in an aqueous solution to produce a soaked feedstock. The soaked fe...
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WO/2016/141432A1 |
A reactor apparatus and reactor system for treating a lignocellulosic material is provided, said apparatus and system including a reactor which is switchable between a first mode for producing a first reaction product including a partial...
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WO/2016/138587A1 |
The present disclosure relates to a process for extracting sugars from a pretreated lignocellulosic biomass. This process consists of contacting the pretreated lignocellulosic biomass with low charges of an aqueous peroxy acid (PA) solut...
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WO/2016/128221A1 |
It is disclosed a process to transfer a ligno-cellulosic feedstock from a low pressure zone to a high pressure zone. A slurry the ligno-cellulosic feedstock is first provided, which is then subjected to a multi-step liquid removal proces...
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WO/2016/126185A1 |
The present invention relates to a method for pretreating a softwood starting material comprising the following steps: a) pretreating the softwood starting material in a pretreatment process to form a slurry; b) measuring the concentrati...
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WO/2016/101076A1 |
A process and system for producing a synthetic hydrocarbon having a desired H/C ratio is disclosed. Organic material is biochemically digested in a two stage biodigester for separately producing a hydrogen containing biogas substantially...
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WO/2016/090472A1 |
The present invention relates to novel polypeptides and enzymes (e.g., thermostable proteins and enzymes) having activities relating to biomass processing and/or degradation (e.g., cell wall deconstruction), as well as polynucleotides, v...
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WO/2016/090474A1 |
The present invention relates to novel polypeptides and enzymes (e.g., thermostable proteins and enzymes) having activities relating to biomass processing and/or degradation (e.g., cell wall deconstruction), as well as polynucleotides, v...
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WO/2016/090473A1 |
The present invention relates to novel polypeptides and enzymes (e.g., thermostable proteins and enzymes) having activities relating to biomass processing and/or degradation (e.g., cell wall deconstruction), as well as polynucleotides, v...
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WO/2016/080895A1 |
The present invention relates to a process for the production of treated pulp comprising the steps of: i. providing a fibre source material; ii. subjecting the fibre source material to pre-hydrolysis; iii. subjecting the pre-hydrolysed f...
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WO/2016/077405A1 |
A process for fractionating high-ash lignocellulosic biomass is provided, comprising: (a) providing a biomass feedstock comprising lignocellulosic material and ash, some of which may be removed before digestion; (b) contacting the feedst...
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WO/2016/072885A2 |
The invention relates to the chemical industry, and more particularly to a method for producing cellulose from different cellulosic raw materials for the paper and textile industries and other branches of industry, including for gunpowde...
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WO/2016/067264A1 |
The invention relates to the use of a strain of basidiomycete fungus belonging to the Polyporus brumalis species, for the fungal pretreatment of a lignocellulosic biomass in a solid medium.
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WO/2016/062919A1 |
The present invention relates to a method of treating biomass, comprising providing a lignocellulosic biomass feedstock; contacting the biomass feedstock in a mixture, which is formed by the biomass, water and an alkaline agent, with an ...
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WO/2016/051202A1 |
Described herein is a method for processing straw into an intermediate straw product. The method comprises: (a) treating straw with an alkaline solution having a p H of between about 10 and about 14, at a temperature of between about 20Â...
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WO/2016/032374A1 |
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 obtain a cost efficient system both in aspects o...
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WO/2016/029069A1 |
Some variations provide a process for producing cellulosic fructose from biomass, comprising: fractionating a biomass feedstock in the presence of an acid catalyst, a solvent for lignin, and water, to produce a liquor containing cellulos...
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WO/2016/025777A1 |
The invention provides a process for producing sugars from lignocellulosic biomass, comprising: drying lignocellulosic biomass; hydrolyzing the dried feedstock with a hydrolysis catalyst to reach high conversion of cellulose and hemicell...
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WO/2016/016235A1 |
The present invention relates to a process for preparing lactic acid and/or a lactate salt via the fermentation of carbohydrates obtained from lignocellulosic material. In particular the process comprises: a) treating a lignocellulosic m...
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WO/2016/016234A1 |
The present invention relates a process for treating a lignocellulosic material to render it amenable to biologically mediated transformation, said process comprising: i) providing a lignocellulosic material; ii) mixing said lignocellulo...
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WO/2016/016233A1 |
A method for preparing a fermentation product comprising lactic acid, said method comprising: a) treating lignocellulosic material with caustic magnesium salt in the presence of water to provide treated aqueous lignocellulosic material; ...
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WO/2016/013946A1 |
The method of manufacturing cellulose nano-fibres from stalks of annual crops consist in that pieces of the stalks of annual plants are in sequence subjected to the action of steam, mechanical defibrillation, digestion in a digesting liq...
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WO/2016/004482A1 |
A method for producing a partially hydrolysed lignocellulosic material is provided including treating a lignocellulosic material with an acid and/or an alkali and then a polyol. Also provided are methods of producing a fermentable sugar ...
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WO/2016/007309A1 |
The present invention pertains to the field of wood. More specifically the present invention relates to a method for treatment of wood fibers and/or wood particles and/or wood strands with a wood prehydrolysate liquor and one or more phe...
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WO/2016/004481A1 |
A method for producing a modified cellulosic material is provided including treating a lignocellulosic material with an acid and/or an alkali and then a polyol. Also provided are methods of producing a paper-based product or a cellulose ...
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WO/2016/000056A1 |
A method is described for bleaching cellulose and producing cellulose derivatives comprising the sequence AHTDP, which includes a first cellulose pulp bleaching stage called acid hydrolysis (AHT), during which one part cellulose pulp is ...
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WO/2015/195030A1 |
The present invention relates to an improved process for producing dissolving pulp from a hydrolysis-kraft cooking process, and wherein production increases may result in less viscosity reduction and thus not meeting the target viscositi...
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WO/2015/193243A1 |
The present invention relates to the use of at least one compound as a scavenger, in particular as a scavenger in the hydrolytic treatment of lignocellulosic biomass, wherein the compound comprises at least one aromatic ring substituted ...
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WO/2015/172787A1 |
Methods and devices are provides for hydrothermal pretreatment of lignocellulosic biomass. A mechanically simple and inexpensive vertical steam reactor is fed with biomass feedstock from the top, while pretreated material is removed from...
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WO/2015/153534A1 |
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 cellulosic material to a second pulp stream; ...
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WO/2015/140627A1 |
According to one aspect of the present disclosure, a mechanism and method is provided to clean and remove or separate cellulose fibers from the source fibrous material without stressing and/or damaging the cellulose fibers. The mechanism...
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WO/2015/139141A1 |
Provided herein is a process for producing an alcohol from a sugar cane derived cellulosic feedstock comprising: subjecting the sugar cane derived cellulosic feedstock comprising bagasse, leaves, tops, or any combination thereof, to sili...
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WO/2015/104460A1 |
The invention relates to a method for removing lignin from lignocellulosic biomass. The method comprises feeding of lignocellulosic biomass and a first aqueous solution into a reactor vessel, the lignocellulosic biomass and the first aqu...
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WO/2015/081439A1 |
The present invention relates to a process for hydrolyzing a pretreated lignocellulosic feedstock. The process comprises hydrolyzing the pretreated lignocellulosic feedstock with an enzyme mixture comprising at least cellulase enzymes to...
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WO/2015/062736A1 |
This specification describes a process of producing a monomeric sugar stream ligno- cellulosic biomass without enzymes or acid catalysts. This is accomplished by removing the water soluble C5 sugars from the ligno-cellulosic biomass feed...
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WO/2015/044948A2 |
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WO/2015/036655A1 |
The invention relates to impregnation system for treating wood chips in mechanical production of pulp or alkaline peroxide mechanical production of pulp. The system comprises at least 5 weight-% of a non-ionic surfactant, which is a reac...
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WO/2015/037647A1 |
　The purpose of the present invention is to provide a technique for appropriate management of the hydrolysis process during production of dissolving kraft pulp, and appropriate control of the dissolving kraft pulp production process. F...
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WO/2015/014364A1 |
A method of processing lignocellulosic biomass comprising: - Providing soft lignocellulosic biomass feedstock, - Pretreating the feedstock at pH within the range 3.5 to 9.0 in a single-stage pressurized hydrothermal pretreatment to log s...
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WO/2015/011275A1 |
The present invention relates to a process for obtaining cellulose or a mixture containing at least cellulose and at least lignocellulose from at least one substrate that is at least to some extent amenable to fermentation comprising at ...
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