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WO/2019/125312A1 |
The present disclosure relates to a novel water disintegrable core and a process for producing said water disintegrable core which is used as a support for a roll of paper, especially for a toilet paper. Said water disintegrable cores ar...
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WO/2019/121411A1 |
The invention relates to an optical brightener for whitening and brightening of paper, board, textiles and non-wovens, a process for manufacturing said optical brightener, the use of said brightener in paper making processes and a proces...
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WO/2019/113410A1 |
Removal of stickies from waste paper and paperboard is obtained with the use of a modified kaolin-based stickies removal composition. The modified kaolin-based stickies removal composition is produced by modifying the kaolin clay, separa...
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WO/2019/113609A1 |
Method and apparatus for removing liquid from a gas/liquid flow for use in pulp washers, deinking cells, and the like are disclosed. A gas/liquid separator includes a separation chamber with a flow director providing a gas/liquid flow fr...
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WO/2019/110876A1 |
The present invention relates to a method for predicting the microbial status of a paper or board making process and/or quality of the dry board or paper obtained from said process and to a method for controlling microbial status of a pa...
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WO/2019/108887A1 |
Provided herein is a composition comprising a deliverable substance in a matrix for controlled delivery. The composition comprises cellulose micro fibers ("CMF"), an inert particle substance, and a deliverable substance. This general for...
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WO/2019/108055A1 |
Rotary press for sludge or pulp, comprising a rotor and mesh screen at least partially surrounding the rotor, wherein a distance of the mesh screen to the rotor decreases along a direction of rotation of the rotor, and wherein the rotor ...
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WO/2019/106069A1 |
The invention pertains to a method and system for washing pulp in a pulping process, wherein the pulp is washed in a pulp washer using aqueous wash liquor to obtain washed pulp and a wash filtrate comprising contaminants originating from...
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WO/2019/108959A1 |
A process for processing lignin includes contacting a mixture comprising lignin and/or lignin-like molecules with a catalyst to form a reaction mixture, and producing one or more reaction products. The reaction mixture comprises one or m...
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WO/2019/093777A1 |
The present invention relates to a method for producing pulp using Gelidium amansii, wherein the method is characterized by including: a step for supplying Gelidium amansii residue to an extractor; a step for performing extraction by app...
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WO/2019/070671A1 |
A method of increasing chemical efficiency of chemical additives in a papermaking system includes the steps of providing thick stock pulp comprising soluble lignin, process water, and at least about 2% by weight of cellulosic fiber based...
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WO/2019/061010A1 |
A device for washing a paper pulp, comprising a roller extrusion mechanism (100) and a pulp transport mechanism (200). The roller extrusion mechanism (100) comprises a master roller (101) and a plurality of sub-rollers (102), the sub-rol...
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WO/2019/066710A1 |
An apparatus for washing and/or dewatering of cellulose pulp, which apparatus comprises at least one rotatable press roll having a permeable outer surface, at least one corresponding chamber wall at least partly enclosing the roll to def...
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WO/2019/062764A1 |
An improved pulp washer or shredder, comprising a rotating swivel roller (4) and a squeezing central roller (7). A supporting net (8) covers the swivel roller (4) and the squeezing central roller (7); a material distribution device (9) f...
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WO/2019/058032A1 |
The present invention related to a method to optimise the chemical balance at a sulfate pulp mill, which produces at least pulp bleached with chlorine dioxide and has a chlorine dioxide plant using at least chlorate, methanol and sulfuri...
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WO/2019/057726A1 |
The present invention relates to a system for the compact packaging of microfibrillated cellulose, which comprises a packaging, which comprises at least one polymer material. Said packaging encompasses a content that essentially consists...
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WO/2019/052206A1 |
Disclosed in the present invention are a method and equipment for recycling and utilizing waste liquid from a herbaceous fiber biological refining process, for use in treatment of waste liquid generated from a herbaceous fiber biological...
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WO/2019/051013A1 |
A method for producing a high yield Kraft pulp is provided. In particular, the method involves adding a composition comprising an organic amine phosphonate and a sulphonated linear alcohol ethoxylate surfactant to a pulping process. The ...
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WO/2019/048698A1 |
The present invention relates to a method of treating pulp to increase bulk, which comprises addition of distilled and/or equilibrium percarboxylic acid to a pulp obtained by converting at least 75 wt% of wood used to provide said pulp. ...
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WO/2019/042985A1 |
The invention relates to a method for controlling of a biofilm, for removing of a formed biofilm and/or for controlling a growth of microorganisms, preferably bacteria, in an aqueous environment of an industrial manufacturing processcomp...
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WO/2019/014416A2 |
The present disclosure relates to a dewatering systems, and related methods, that are adapted to convey lignocellulosic biomass to separate at least a portion of the water from a lignocellulosic biomass slurry and accumulate the dewatere...
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WO/2019/008500A1 |
A method of dosing a nanocellulose suspension in gel phase into a second suspension, wherein the method comprises the steps of: providing said nanocellulose suspension in gel phase; providing said second suspension; bringing said nanocel...
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WO/2019/002682A1 |
Compositions and methods for cleaning wet strength resin contamination from papermaking equipment and/or for preventing wet strength resins from contaminating papermaking equipment using the compositions are disclosed. The compositions c...
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WO/2019/002685A1 |
The present invention relates to a process for in situ the preparation of mixtures of chelating agents by catalyzed reactions of diethanolamine derivatives with maleic acid and then with 2-halocarboxylic acid, to mixtures of chelating ag...
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WO/2019/002684A1 |
The present invention relates to a process for the in situ preparation of mixtures of chelating agents by catalyzed reactions of diethanolamine with maleic acid and then with 2-halocarboxylic acid, mixtures obtainable using said process ...
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WO/2019/002699A1 |
A method is disclosed for monitoring hydrophobic particles contained in a pulp suspension, the method comprising obtaining (601) a sample from a pulp suspension or a filtrate of the pulp suspension. A dye is added (602) to the sample to ...
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WO/2018/234635A1 |
The invention relates to a method for manufacturing a fibrous web, such as web of paper, board, tissue or the like. The method comprises forming an aqueous fibre suspension comprising cellulosic fibres from one or more raw material flows...
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WO/2018/234097A1 |
A method of increasing the throughput and/or decreasing the energy usage of a pulping process includes the steps of providing a plurality of lignocellulosic chips, providing a refining composition, applying the refining composition to th...
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WO/2018/229336A1 |
A method for increasing the initial tensile strength of pulp, wherein the pulp is chemical pulp and provided as a suspension, is disclosed. The method comprises wet calendering the pulp suspension, thereby at least partially straightenin...
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WO/2018/229337A1 |
A method for increasing the initial tensile strength of pulp, wherein the pulp is chemical pulp and provided as a suspension, is disclosed. The method comprises at least one of:a) adding a carboxyl derivative of cellulose to the pulp sus...
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WO/2018/219638A1 |
A process for the production of a non-derivatized nanocellulose material from a cellulosic fibrous material, comprising the steps of providing a suspension of cellulosic fibrous material in a continuous phase of a non-aqueous process liq...
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WO/2018/197222A1 |
The present invention provides a method for obtaining densified material comprising the steps of: a. providing lignocellulosic material, b. delignification of the lignocellulosic material providing a delignified material, wherein the del...
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WO/2018/197465A1 |
Use of a particulate mineral having a coating of one or more rosin acid(s) and/or one or more derivative(s) thereof as a pitch and/or stickies control agent in a composition comprising cellulosic pulp, a method of reducing dissolved and/...
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WO/2018/185227A1 |
The invention relates to a method for producing microscale and/or nanoscale fiber material. The method has at least the step of dispersing (5) dried pre-comminuted pulp in a liquid. The method additionally has a step of finely comminutin...
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WO/2018/183335A1 |
The invention relates to fibrous structures having desirable physical properties, such as good tensile strength, low stiffness and high bulk, manufactured using a fiber furnish comprising cellulosic fibers having a pH of 5.0 or less and ...
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WO/2018/175135A1 |
The present technology is directed to fluff pulps with improved odor control as well as methods of making such fluff pulps. A fluff pulp is provided that includes a bleached kraft fiber and a copper ion content from about 0.2 ppm to abou...
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WO/2018/173076A2 |
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WO/2018/172920A1 |
The present disclosure relates to cellulose nanomaterials made or derived from tobacco and methods for the production thereof. The tobacco-derived cellulose nanomaterials can be employed in various industrial applications such as film fo...
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WO/2018/165401A1 |
Methods and compositions useful for improving drainage in a fluff pulp drying process are provided. The methods and compositions comprise alkyl ether sulfate and ethylene oxide/propylene oxide copolymer. In particular, the methods and co...
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WO/2018/159980A1 |
Disclosed is a method for manufacturing pulp by using a red algae or red algae residue pulped with an aqueous alkaline solution. The present invention comprises the steps of: (1) washing a red algae or a red algae residue left after extr...
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WO/2018/146379A1 |
Determining a degree of breaking down of the fiber particles into fines in pulp is performed by transmitting (1000) optical radiation to the pulp (104); and determining (1002) the degree of breaking down of the fiber particles into fines...
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WO/2018/141740A1 |
The present invention relates to a copolymer comprising at least one hydrophilic monomer; at least one hydrophobic monomer and at least 10% by weight of methyl styrene, particularly suitable to be used as detackifying agent for reducing ...
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WO/2018/142025A1 |
According to an example aspect of the present invention, there is provided a process for the conversion of cellulosic waste material into a recycled cellulose product comprising the steps of cooking the waste material in a cooking liquor...
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WO/2018/144309A1 |
The present application relates to a cross-linked fiber and more specifically to fibers that have been subjected to cold caustic extraction (at less than 60°C) to reduce the hemicellulose content of the fibers by at least 50% and then c...
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WO/2018/134525A1 |
The present invention relates to a method for bleaching an unbleached or pre-bleached paper pulp comprising at least the following consecutive steps: a) preparing an unbleached or pre-bleached paper pulp having a pH of at least 8, b) bri...
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WO/2018/130528A1 |
The invention relates to the use of comb polymers as deposit inhibitors in pulp production according to the sulphate process (Kraft process), which comb polymers can be obtained by radical polymerisation of monoethylenically unsaturated ...
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WO/2018/125869A1 |
Methods of and systems for controlling dosing of drainage aid and optionally defoamer to brown stock of a brown stock washing process are provided. Certain embodiments of the invention provide independent control of drainage aid and/or d...
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WO/2018/114905A1 |
The invention relates to a two-stage digestion method for chemical fractionation of lignocellulose. In a first stage, the lignocellulose is pre-treated with water vapor or water at temperatures above 100 °C and increased pressures. In a...
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WO/2018/104330A1 |
There is provided a cellulose based fiber made of a i) cellulose dissolving pulp, and ii) a recycled cellulose textile, which is treated to swell the cellulose with a reducing additive and a) bleached with oxygen at alkaline conditions w...
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WO/2018/106285A1 |
In some embodiments, a method may include treating pulp. The method may include contacting a wood pulp with a singlet oxygen source. The method may include contacting the wood pulp with an alkaline peroxide source. The singlet oxygen sou...
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