Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 51 - 100 out of 2,378

Document Document Title
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...  
WO/2015/061804A1
Described herein is a process for conversion and upgrading of biomass to products. The process involves converting the biomass to primary lignin-derivatives and primary cellulose/hemicellulose derivatives, catalytically treating the prim...  
WO/2015/061802A1
Described herein are processes for one-step delignification and hydrodeoxygenation of lignin fraction a biomass feedstock. The lignin feedstock is derived from by-products of paper production and biorefineries. Additionally described is ...  
WO/2015/036357A1
The invention relates to a method for producing paper with at least one fibrous material, a polymer, water and calcium oxide and/or calcium hydroxide, comprising the steps of disintegrating the fibrous material with water in a pulper for...  
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...  
WO/2015/027042A1
A mobile processing unit may include a mobile platform assembly, and a fiber separation assembly supported on the mobile platform assembly. The fiber separation assembly may be configured to receive tropical plant stalks and at least par...  
WO/2015/021130A1
A process for treating a cellulosic material comprising extracting hemicellulose from the cellulosic material with an extractant comprising a cellulose solvent and a co-solvent to selectively extract hemicellulose therefrom and separatin...  
WO/2015/018711A1
The present invention is directed to a process for producing spinnable cellulose at least in part from citrus fruits, such as oranges and lemons. In a preferred embodiment, cellulose is extracted from citrus fruits, discarded by the citr...  
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...  
WO/2015/010179A1
A method of reducing chloride and potassium ion concentration in a pulp mill chemical recovery cycle, in which electrostatic precipitator ash is produced in a recovery boiler. A mixture (16) of the ash (10) and water (12) is separated in...  
WO/2015/013146A1
The invention provides methods and compositions for measuring the formation of scale within a process system. The method involves measuring changes in the cell fouling as reflected on the refraction index measurements of a liquid medium ...  
WO/2015/009145A1
The present invention is directed at a process for fractionating lignocellulosic biomass for the purpose of reducing processing costs, increasing delignification, reducing side- reactions, in particular reducing hemicelluloses degradatio...  
WO/2015/005344A1
Provided is a method for adding an antifoam agent that can easily improve the degree of foam suppression obtained with respect to the amount of antifoam agent added in an aqueous system that is markedly foaming such as in a craft pulp pr...  
WO/2015/004296A1
The invention relates to a method for the hydrolysis of lignocellulosic biomass, comprising a pre-treatment stage using ionic liquids and a subsequent hydrolysis treatment using acidic reagents. The method of the invention demonstrates t...  
WO/2014/193763A1
Processes are described for fractionating lignocellulosic biomass into cellulose, hemicellulose, and lignin, comprising fractionating lignocellulosic biomass in the presence of a solvent for lignin (such as ethanol), a hydrolysis catalys...  
WO/2014/179673A1
A process for treating a cellulosic material comprising extracting the cellulosic material with an extractant to selectively extract hemicellulose therefrom and separating the extracted hemicellulose to form a cellulosic product comprisi...  
WO/2014/179702A1
A process for converting a starting material to a purified pulp material, comprising removing lignin from a starting material to form a wet pulp comprising at least 5 wt.% water, extracting hemicellulose from the wet pulp with an extract...  
WO/2014/170546A1
A method of producing regenerated cellulose and hemicellulose from a fibre pulp which is prepared by using chemical cooking. Hemicellulose and, correspondingly, cellulose is separated from the pulp, in order to form separate fractions, b...  
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...  

Matches 51 - 100 out of 2,378