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Matches 1 - 50 out of 3,383

Document Document Title
WO/2018/202673A1
The invention relates to a method for treating biomass(2). Biomass (2) is fed to a pressurized prehydrolysis reactor unit (8) by means of a feeding system (5, 7), wherein by means of the feeding system (5, 7) the biomass (2) is compresse...  
WO/2018/197756A1
The present invention relates to a process for treating textile-based materials, typically textile-based waste-materials, to prepare them for further use. The treatment includes two or more chemical and/or enzymatic treatment steps, incl...  
WO/2018/197469A1
The invention relates to a material what can be obtained by pressing a mixture containing polyurethane and paper, at a pressure of at least 20 bar.  
WO/2018/173850A1
Fibers and coloring material are easily separated using a simple device configuration that is provided with a vibration-imparting means. The separation device comprises an accumulation unit for accumulating defibrated material containing...  
WO/2018/173076A2  
WO/2018/157453A1
The present invention relates to the field of nanotechnologies, and provides a nanocellulose, a preparation method therefor, and an application thereof. The preparation method for the nanocellulose comprises: grinding forestry and agricu...  
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...  
WO/2018/115428A1
The present invention relates to a method of pulping cotton-based raw material for producing dissolving pulp. More specifically, the invention relates to a process for producing dissolving pulp under alkaline conditions in combination wi...  
WO/2018/099977A1
The present invention relates to a binder composition containing water, plant fibers and mineral fillers, - the weight ratio between the plant fibers and the mineral fillers being comprised between 99/1 and 2/98, - the plant fibers and t...  
WO/2018/091711A1
The invention relates to a method for producing paper, cardboard, or paperboard using baobab tree bark bast fibers, baobab fruit fibers, and/or natal fig fibers as papermaking raw materials, having the following steps: obtaining baobab t...  
WO/2018/051275A2
Provided are methods for preparing an enzyme-modified fiber pulp, wherein the modified pulp has improved properties for papermaking processes. The modified pulp and methods of its use are also provided.  
WO/2018/051275A3
Provided are methods for preparing an enzyme-modified fiber pulp, wherein the modified pulp has improved properties for papermaking processes. The modified pulp and methods of its use are also provided.  
WO/2018/033146A1
A system for preparing a biomass monomer by means of microbial coculture. With biomass as a substrate, by means of process regulation and control by a special device, coculture of biomass degrading microbes and target product microbes is...  
WO/2018/025501A1
A method is provided for recovering pulp fibers having little damage from a used absorbent article that contains pulp fibers and a superabsorbent polymer. The used absorbent article is treated at a temperature of greater than or equal to...  
WO/2018/025499A1
A method is provided for recovering pulp fibers having little damage from a used absorbent article which includes a water permeable front sheet, a water impermeable back sheet and an absorbent body that contains pulp fibers and a superab...  
WO/2018/025500A1
A method is provided which, by a simple process, separates and recovers pulp fibers from a used absorbent article that contains pulp fibers and a superabsorbent polymer. A used absorbent article is treated with an aqueous solution that c...  
WO/2018/019707A1
The present invention is in the field of delignifying and/or bleaching of pulp, more in particular wood pulp. Such a process is useful in paper production. More in particular, the method relates to the use of an enzyme for delignificatio...  
WO/2018/014237A1
An apparatus for pre-processing, sorting, and recycling paper waste, comprising a paper processing station (3), and a paper inspection and sorting operation main body (7). An upper and lower end of the paper processing station (3) are mo...  
WO/2018/005989A1
An anaerobic digestion system may include a material grinding/pulping portion, a hydrolysis portion arranged downstream of the grinding portion, a multiple chamber anaerobic reactor arranged downstream from the hydrolysis portion and inc...  
WO/2018/005259A3
In some variations, OCC is screened, cleaned, deinked, and mechanically refined to generate cellulose nanofibrils. The OCC may be subjected to further chemical, physical, or thermal processing, prior to mechanical refining. For example, ...  
WO/2017/222496A1
The current process relates to the treatment of a primary sludge that is produced from waste water treatment facilities such as a pulp mill or a pulp and paper mills. It further relates to a process of using the primary sludge in the pro...  
WO/2017/216438A1
The present invention relates to a method for preparing microfibril cellulose, which comprises the following steps: preparing a suspension of lignocellulosic fibres in water; enzymatic treatment of the suspension of lignocellulosic fibre...  
WO/2017/205229A1
A process for individualizing (separating) trichome fibers from a trichome source, such as a leaf and/or a stem, and more particularly to a process for individualizing (separating) trichome fibers from a trichome source utilizing a chemi...  
WO/2017/191091A1
It is disclosed a process for producing a bio-product from a ligno-cellulosic biomass, wherein the ligno-cellulosic biomass, a gas and steam are introduced in a pressurized reactor operated in a continuous manner at conditions to have a ...  
WO/2017/158117A1
The invention provides ionic polymers (IP) consisting of anions and a polymeric backbone containing cations. The invention also provides the ionic polymers incorporated in membranes or attached to solid supports and use of the ionic poly...  
WO/2017/150185A1
The purpose of the present invention is to efficiently eliminate metal materials from fibrillated matter. Provided is a used paper processing device which includes: a crushing unit that crushes used paper to form crushed matter; a fibril...  
WO/2017/113000A1
The present invention relates to an improved method for producing a colloidal nitrocellulose dispersion made compatible with a system of acrylic monomers polymerised with surfactants in a water-based system under pressure. The self-emuls...  
WO/2017/115020A1
According to an example aspect of the present invention, there is provided a method of producing films from nanocellulose based raw material shaving high consistency and thereby providing low energy consuming and feasible manufacturing p...  
WO/2017/110234A1
Provided is a method for efficiently recovering pulp fiber from used hygiene products that include pulp fiber and a polymer absorbent. This method is characterized by including a step for introducing the used hygiene product into a treat...  
WO/2017/108431A1
The present invention is in the field of producing mechanical pulp from a biomass comprising lignocellulosic material. Such a process is useful in paper production. More in particular the invention relates to the process of wood pulping,...  
WO/2017/102542A1
The present invention is in the field of producing mechanical pulp from a biomass comprising lignocellulosic material. Such a process is useful in paper production. More in particular the invention relates to the process of wood pulping,...  
WO/2017/103689A1
The invention relates to preparation of paper and various products of paper from waste formed during wine making and wastes from other food processing units, like production of juice. More particularly, the present invention relates to a...  
WO/2017/098247A1
The present invention relates generally to the field of waste processing. The method comprises separating waste into at least two parts, comprising: (i) mainly food waste (fines) and (ii) mainly paper and other recyclable material (overs...  
WO/2017/088037A1
The present invention patent application relates to a method for separating, recovering, refining and purifying cellulose pulp contained in hygienic absorbent pads and diapers of personal use, and belongs to the chemical field, in partic...  
WO/2017/063971A1
A process for the deinking of a coated paper or paperboard is disclosed, the process comprises a step of providing a coating layer comprising a calcium- or magnesium-exchanged clay which is deposited on the paper or paperboard before the...  
WO/2017/058980A3
Various processes are disclosed for producing nanocellulose materials following steam extraction or hot-water digestion of biomass. Processes are also disclosed for producing nanocellulose materials from a wide variety of starting pulps ...  
WO/2017/032927A1
The invention relates to a method for treating starch in pulp, paper and board making processes, in which processes recycled fibre material is used as raw material wherein the recycled fibre material is pulped in a pulper and obtaining a...  
WO/2017/013015A1
The invention relates to a multi-layer cardboard material (10), comprising at least one first fibrous-material layer (12), which has a cellulose-containing base material, and at least one second fibrous-material layer (14) comprising a m...  
WO/2016/193604A1
The present invention concerns a method for deinking waste paper, comprising a pulping step, followed by a so-called flotation step, characterised in that it comprises a step of introducing at least one polyacrylate dispersant, represent...  
WO/2016/193617A1
The invention concerns a method for producing nanocelluloses from a cellulose substrate comprising cellulose fibres, said method comprising the following sequence of steps: - a step of enzymatic treatment of said cellulose substrate, by ...  
WO/2016/177534A1
Disclosed is a method of treating cellulose pulp for use in regeneration of cellulose including the steps of: i) preparing an alkaline metal hydroxide solution having a concentration of 4-10% by weight; ii) adding cellulose pulp to form ...  
WO/2016/176759A1
The present description relates to a process of producing a dry mixed product comprising cellulose filament (CF) and a carrier fibre, and a dry mixed product of re-dispersible cellulose filament and a carrier fibre that permits the CF to...  
WO/2016/157122A1
The invention provides a method of producing a filler comprisingcalciumcarbonate (PCC), preferably to be used in paper or paper board production or in fibre based composites. The method of the invention comprises the steps of; -providing...  
WO/2016/143761A1
One embodiment of the present invention provides a method for producing a cellulose from chemical pulp by means of a treatment liquid that is composed of an aqueous solution containing a mineral acid and a peroxide, which is characterize...  
WO/2016/143760A1
One embodiment of the present invention provides a method for producing a cellulose from chemical pulp, which comprises the steps (a)-(c) described below. (a) a step for disintegrating chemical pulp (b) a step for washing the disintegrat...  
WO/2016/134195A1
A low-cost process is provided to render lignocellulosic biomass accessible to cellulase enzymes, to produce fermentable sugars. Some variations provide a process to produce ethanol from lignocellulosic biomass (such as sugarcane bagasse...  
WO/2016/116802A1
The invention concerns a layout and a method for the processing of paper wastes, with at least two deinking circuits connected in series, having at least one preflotation in a first circuit, a disperser and a postflotation connected afte...  
WO/2016/110836A1
A method for recycling paper to produce a less white and clean office paper product for paper printing and writing, said method comprising the steps of : collecting waste papers; sorting said collected papers waste without the need to se...  
WO/2016/106432A3
The present invention relates to endoglucanase variants. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, expression vectors, and recombinant host cells comprising the polynucleotides;...  
WO/2016/079045A1
The present invention relates to the removal of hemicelluloses from paper-grade alkaline pulp thereby upgrading the pulp e.g. into dissolving-grade pulp using a combination of enzyme treatment, hot caustic extraction and optionally one o...  

Matches 1 - 50 out of 3,383