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Matches 51 - 100 out of 2,413

Document Document Title
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...  
WO/2016/072919A1
The invention relates to an improved two vessel cooking system, wherein the first vessel is an atmospheric impregnation vessel and the second vessel is a pressurized digester, where hot black liquor is finally flashed off inside the impr...  
WO/2016/069326A1
A short oxygen delignification method employs a continuous dynamic mixing assembly. Provided is a mixing chamber having an interior wall which is generally symmetrical about a central longitudinal axis. At least one inlet is used to intr...  
WO/2016/068783A1
A method of providing a diluted discharge pulp comprises the steps of providing (SIO) pulp with a first consistency in a digester (1), which pulp comprises cooked lignocellulosic fibrous material, diluting (S20) the provided pulp by feed...  
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 ...  
WO/2016/062676A1
The present invention relates to a method for precipitating lignin from organosolv pulping liquors. For this purpose, the organosolv pulping liquor is introduced as a precipitation medium in an already existing aqueous dispersion of lign...  
WO/2016/059153A1
A method for controlling the deposition of stickies in pulping and papermaking processes comprises adding to fibre pulp or stock an additive comprising an organo-modified siloxane comprising units of the formula: [R1 aZbSiO(4-a-b) /2]n i...  
WO/2016/053948A1
Digestion of cellulosic biomass solids may be complicated by release of lignin therefrom. Methods and systems for processing a reaction product containing lignin-derived products, such as phenolics, can comprise hydrotreating the reactio...  
WO/2016/053957A1
Digestion of cellulosic biomass solids may be complicated by release of lignin therefrom. Methods and systems for processing a reaction product containing lignin-derived products, such as phenolics, can comprise hydrotreating the reactio...  
WO/2016/053209A1
The present invention relates to a pretreatment process of lignocellulosic biomass, comprising contacting lignocellulosic biomass with pretreatment solution in a temperature ranging from an ambient temperature to 100 °C and a pressure o...  
WO/2016/053962A1
Digestion of cellulosic biomass solids may be complicated by release of lignin therefrom. Methods and systems for processing a reaction product containing lignin-derived products, such as phenolics, can comprise hydrotreating the reactio...  
WO/2016/034727A1
The present invention relates to a process for selectively solubilizing and removing lignin and hemi-cellulose components of cellulosic biomass and obtaining a cellulosic feedstock having a higher proportion of cellulose, as compared to ...  
WO/2016/033456A1
A comprehensive process for treating lignocellulosic biomass in order to separate the biomass into its component parts, the process comprising: a) contacting the lignocellulosic biomass with a first solvent for a period of time and at a ...  
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...  
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...  
WO/2016/028244A1
The present invention relates to a delignification method (100) which is applied for removing lignin from a biomaterial mixture in form of a heap, and essentially comprises the steps of heaping the biomaterials (101), treating the heap w...  
WO/2016/020383A1
The invention relates to a method for obtaining stabilized lignin having a defined particle-size distribution from a lignin-containing liquid, wherein prior to and/or during a hydrothermal carbonization, the H+ ion concentration of a lig...  
WO/2016/011736A1
Unbleached paper pulp made from bamboo fiber has the whiteness of 20% to 40% ISO, the tensile index being larger than or equal to 7.9 N·m/g, the folding strength of 15 times to 200 times, the fracture length of 5 km to 10 km, the ash co...  
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...  
WO/2016/010854A1
The invention provides methods and compositions for enhancing the digestion of pulp in a chemical pulping process. The method uses ultra-low, economically feasible dosages of BH applied right before the pulping process begins, in a stabl...  
WO/2016/009113A1
The present invention provides a method for preventing or decreasing scale formation on process surfaces in manufacturing process of paper, board or the like, in which method performic acid is used as an antiscaling agent.  
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 ...  
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 ...  
WO/2016/001347A1
The present invention relates to a supported anthraquinonic catalyst obtainable by radical polymerization of a reaction mixture containing: - styrene; - at least one initiator generating free radicals; - at least one at least difunctiona...  
WO/2015/200394A1
An oleophilic and hydrophobic nanocellulose material is disclosed herein, for nanocellulose sponges and other applications. The oleophilic and hydrophobic nanocellulose material comprises lignin-coated cellulose nanofibrils and/or lignin...  
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 ...  
WO/2015/184209A1
An aqueous alkali-surfactant solution having a hydroxide molarity of from 2 to 9 M that comprises alkali and a surfactant having a boron-centered head group positioned terminally in a linear or branched aliphatic or aryl hydrocarbon chai...  
WO/2015/184211A1
Alkali surfactant treatment processes, such as cleaning, chemical pulping, mercerization, metal processing, leather processing, food processing, and personal beauty care. The process comprises the step of contacting a substrate with an e...  
WO/2015/184212A1
Alkali surfactant compositions and treatment processes. The alkali surfactant composition has a surface tension (at 100 ms) of from [0.8 asymptote] to [1.2 * asymptote]. The composition can be used in treatment processes, such as cleanin...  
WO/2015/181442A1
The invention relates to a method for reducing the phosphorus load in effluent from a pulp production process, which process comprises the steps of: a) digesting lignocellulosic material for forming cooked pulp, b) washing the pulp, and ...  
WO/2015/165952A1
The invention relates to a process for the preparation of a fermentation product from lignocellulosic material, comprising the following steps: a)optionally,pre-treatment of the lignocellulosic material, b)optionally, washing of the opti...  
WO/2015/165954A1
The invention relates to a process for the preparation of a fermentation product from lignocellulosic material, comprising the following steps: a) optionally, pretreatment of the lignocellulosic material, b) optionally, washing of the op...  
WO/2015/165953A1
The invention relates to a process for the preparation of a fermentation product from lignocellulosic material, comprising the following steps: a) optionally, pretreatment of the lignocellulosic material, b) optionally, washing of the op...  
WO/2015/165951A1
The invention relates to a process for the preparation of a fermentation product from lignocellulosic material, comprising the following steps: • a) optionally, pretreatment of the lignocellulosic material, • b) optionally, washing o...  
WO/2015/163111A1
In order to provide a dissolving pulp production method in which the pulp exhibits an ultrahigh purity (α-cellulose content > 97%), a high degree of polymerization (η > 700), and high whiteness (ISO brightness > 90), this dissolving pu...  
WO/2015/155642A1
The invention discloses a method of continuous cooking cellulose fibrous material in a digester, said digester having a top and a bottom. The method of the invention comprises the steps of: -feeding a slurry comprising cellulosic fibrous...  
WO/2015/150841A1
The present invention discloses the continuous process for production of cellulose pulp from grass-like plant feedstock suitable for paper making. Process comprising the steps of: preparing the grass-like plant feedstock by comminuting, ...  
WO/2015/153536A1
Processes disclosed are capable of converting biomass into high-crystallinity nanocellulose with low mechanical energy input. In some variations, the process includes fractionating biomass with lignosulfonic acids, to generate cellulose-...  
WO/2015/138335A1
A pulp fiber with an enhanced carboxyl 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/2015/116564A1
Some embodiments of the present invention relate to a method for reducing the concentration of reactive silica in a first composition comprising adding a first amount of a calcium salt and a second amount of a magnesium salt to the first...  
WO/2015/110680A1
The invention relates to a strain of fungus Hormonema sp. deposited under the deposit number CECT 13092, comprising the sequences SEQ ID NO: 1 and 2, and to a method for the delignification of lignocellulosic biomass, wherein a strain of...  
WO/2015/110424A1
A biorefinery facility and a method for refining biomass comprises a primary refining process including a mechanical treatment resulting in a size reduction of biomass material, and a secondary refining process including at least one con...  
WO/2015/108409A1
The invention relates to an integrated process for fractionation of oil palm empty fruit 5 bunch (EFB) to obtain cellulosic solid, hemicellulosic sugars and high-purity lignin, and conversion of the cellulosic solid to ethanol by enzymat...  
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...  
WO/2015/105882A1
An improved semichemical pulping process is disclosed to reduce washing costs and recovery process costs, while producing equivalent pulp and paper products. In some variations, the invention provides a process for producing a paper prod...  
WO/2015/104262A1
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 cellulose and hemicellulose as a byprodu...  
WO/2015/074120A1
A nanocellulose material of plant origin comprising nanocellulose particles or fibres derived from a plant material having a hemicellulose content of 30% or higher (w/w) (calculated as a weight percentage of the lignocellulosic component...  
WO/2015/075277A1
The invention relates to a process for the preparation of a sugar product from lignocellulosic material, comprising the following steps: a) optionally, pretreatment of the lignocellulosic material; b) optionally, washing of the optionall...  
WO/2015/077294A1
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 produce cellulose-rich solids; separating and w...  
WO/2015/067446A1
Method for delignifying and bleaching pulp, comprising a first bleaching stage using hydrogen peroxide in the presence of a molybdate or a tungstate in an acidic aqueous mixture, followed by a second bleaching stage using hydrogen peroxi...  

Matches 51 - 100 out of 2,413