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WO/2024/025441A1 |
The invention relates to the field of agriculture. Proposed is a method for the integrated processing of meadow hay, according to which hay is chopped and separated by pneumatic separation into a stalk fraction and a leaf fraction. The s...
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WO/2023/222948A1 |
The present invention relates to a process for preparing pulp from one or more wood-based raw materials, including at least a residue of bark origin, by carrying out an alkaline treatment step on a bark-based raw material, recovering a s...
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WO/2023/202946A1 |
The present invention relates to pretreatment of biomass using targeted alkaline hydrolysis with optional alkali recovery, where the biomaterial is steam exploded before an alkaline hydrolysis. The invention in particular relates to a me...
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WO/2023/194461A1 |
The present invention relates to the field involved in the valorisation of by-products obtained during the production of black pellet-type fuel having a high calorific value from lignocellulosic biomass. More precisely, the invention rel...
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WO/2023/182969A1 |
A method for producing a chemi-thermomechanical fibrous pulp from non-wood plant raw materials, the method comprises steps of preliminary preparing leaves, chemi-thermomechanical treating the preliminary prepared raw materials, grinding ...
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WO/2023/173212A1 |
There is provided a process of methylating lignin. The process includes providing an alkaline aqueous phase, which includes lignin, in a reactor chamber. The reactor chamber is pressurized with a gas phase including methyl chloride gas. ...
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WO/2023/175175A1 |
A composition for making paperboard or paper comprising agricultural plant fibres and paperboard, paper and packaging made therefrom.
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WO/2023/175269A1 |
The invention relates to a processing method consisting in: - shredding (10) the fibreboard waste; - steaming (12) the shredded waste; - triggering (13) a steam explosion by suddenly decreasing the pressure applied to the fibre mass; - s...
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WO/2023/156828A1 |
Described are various embodiments of a tissue digester device, a method of introducing a caustic substance to a digestion chamber, a tissue digester system, a method of digesting small tissue bodies, a head encasing device which is opera...
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WO/2023/137154A1 |
The present invention provides a process for treating a biomass. The biomass may be from land-based plants or from marine-based plants to separate components such as cellulose, hemicellulose and lignin from the biomass. The process may i...
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WO/2023/132814A1 |
A method of obtaining a chemical-thermomechanical fibrous mass (CTFM) from plant raw materials with forming an automated plant processing line, wherein providing the plan raw material plastification by mechanical interaction of the plant...
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WO/2023/115206A1 |
The present application relates to valorization of lignin products. More specifically, the present application relates to conversion of lignin to added-value products. The present application includes a process for modifying lignin, said...
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WO/2023/111009A1 |
A method of processing biomass by subjecting, in a digester (100), the biomass to bio-solvent and process control substance, which includes at least one inorganic substance determined as ash for intensifying formation of furfural; and se...
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WO/2023/089341A2 |
An apparatus for processing feedstock, wherein the apparatus comprises: at least one feedstock supply means configured to hold feedstock; at least one reactor module; at least one steam reactor chamber; a feedstock filling manifold confi...
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WO/2023/092027A1 |
Methods and systems for preparing agricultural residue or other agricultural feedstock for use as a pulp. The method includes providing non-wood agricultural residue (e.g., corn stover) or other agricultural feedstock that includes agric...
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WO/2023/047423A1 |
The present disclosure relates to a process for treatment of biomass, specifically for pulping and biorefinery applications. The process relates to an organosolv process using high boiling organic solvents for the extraction of high mole...
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WO/2023/021432A1 |
The invention relates to a process for the hydrolysis of plant biomasses using highly concentrated hydrochloric acid in such a manner that it can be installed and operated by municipal facilities.
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WO/2023/282815A1 |
A system for continuous hydrothermal steam treatment of biomass material, the system comprising a substantially vertically arranged pressurized vessel (4), a discharge device (6, 7a-b, 8) for discharging the biomass material from a botto...
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WO/2022/259124A1 |
The present invention relates to a process for producing a pulp by the Kraft process, from mixtures of hardwood and softwood, in which the hardwood species predominates, using suitable impregnation, mild cooking conditions, typical of ha...
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WO/2022/235212A1 |
Methods for pre-treating non-wood feedstock, in particular, empty fruit bunch (EFB) 5 feedstock and pulps obtained using these methods are described.
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WO/2022/201170A1 |
A method for extraction of fiber from stem of "Nerium Oleander" plant consisting of following steps: cutting stem of said plant, removal of outer layer of said stems, preparation of bundles, retting of said bundles, extraction of fibers,...
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WO/2022/189408A1 |
An apparatus for delignification and bleaching of fibres, comprises: a reactor for containing a bed comprising fibres; and a moveable head box for dispensing liquid into the reactor; wherein the head box is configured to rest on the bed ...
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WO/2022/171905A1 |
The invention relates to a system and a method for obtaining fibres (40) from feedstock (20) containing lignocellulose, more particularly from straw, having: a digester (5) for pretreating the feedstock (20) under the effect of heat, pre...
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WO/2022/170373A1 |
The invention relates to a method for the chemically assisted mechanical pulping of wood chips, said method comprising: a) producing a feedstock from wood chips; b) bringing the feedstock into contact with steam at a pressure of between ...
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WO/2022/120459A1 |
Method for controlled delignification of lignocellulosic feedstock, said method comprising the steps of: providing a reactive phase of pH less than 1, said reactive phase comprising: o water; o sulfuric acid; o a source of peroxide; o a ...
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WO/2022/109709A1 |
Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibres and lignin; exposing said plant material requiring to a composition comprising: - an acid; - a capping agent; ...
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WO/2022/098963A1 |
Disclosed are non-wood pulps having a fiber length greater than about 1.70 mm and a brightness of about 80% or greater. The relatively high degree of brightness is achieved without a loss of fiber length or pulp yield. The high degree of...
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WO/2022/098962A1 |
Disclosed are non-wood pulps having a fiber length greater than about 1.70 mm and a brightness of about 80% or greater. The relatively high degree of brightness is achieved without a loss fiber length or pulp yield. The high degree of br...
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WO/2022/098958A1 |
Disclosed are non-wood pulps having a fiber length greater than about 1.70 mm and a Very Long Fiber (VLF) content of about 0.50% or less. The fibers are readily dispersible in water and useful in the formation of fibrous sheets, particul...
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WO/2022/098956A1 |
Disclosed are non-wood pulps having a fiber length greater than about 1.70 mm and a porosity of about 100 cfm or greater. The relatively high degree of porosity is achieved without a loss in tensile strengths. The high degree of porosity...
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WO/2022/084573A1 |
A method is presented for controlling values of one or more process parameters of a pretreatment process of lignocellulosic biomass particles. The pretreatment process comprises subjecting the impregnated lignocellulosic biomass particle...
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WO/2022/082298A1 |
Cellulose particles treated with a bio-based surfactant can be compounded into a polymer composite having improved mechanical properties, such as tensile strength and/or tensile modulus. Treatment can be integrated into an industrial sca...
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WO/2022/084574A1 |
A method is presented for preparing samples for measuring a lignin content in a mass of pretreated lignocellulosic biomass particles. The pretreatment process comprises subjecting the lignocellulosic biomass particles to a hemihydrolysis...
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WO/2022/055960A1 |
A pulping method includes chemical cooking of softwood chips to retain a high lignin content of about 18% to about 28% by weight and fiberization of the cooked softwood chips to a low residual wood shive content of at most 15% by weight.
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WO/2022/027080A1 |
The invention relates to a method for producing cellulose-fiber-based packaging products and to a cellulose-fiber-based packaging product. The method comprises producing at least one first material comprising cellulose fibers, producing ...
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WO/2022/018188A1 |
The present invention relates to an activated dyed carrot fibre and to a method for the production thereof. The invention also relates to the use of the activated dyed carrot fibre as a thickening or structuring agent in various industri...
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WO/2022/008791A1 |
The present invention discloses a cooking method and a digester system whereinpartly digested cellulosic fiber source is compressed during cooking to provide highmolecular weight xylan, high molecular weight lignin and pulp.
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WO/2022/008790A1 |
The present invention discloses a cooking method wherein partly digested wood based cellulosic raw materal is compressed during cooking to provide high molecular weightxylan, lignin and pulp.
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WO/2021/251861A1 |
A pre-hydrolysis pressure vessel system comprising a transport screw arrangement (3), said transport screw arrangement comprising a transport screw (5) provided inside an enclosing housing (7), said transport screw (5) being configured f...
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WO/2021/239647A1 |
The present disclosure generally relates to a method for controlled pretreatment of lignocellulosic biomass. The method comprises the steps of: Pretreating (S10) a lignocellulosic biomass material in a pretreatment arrangement, the pretr...
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WO/2021/229144A1 |
A method for producing recycled fibers from MDF or HDF containing material, for instance for use in MDF or HDF production. The method comprises steaming (2) the MDF or HDF containing material for a predetermined time to obtain steamed ma...
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WO/2021/214387A1 |
According to an example aspect of the present invention, there is provided a method for prehydrolysing lignocellulosic chip material in a reaction vessel by a prehydrolysis reaction carried out in the presence of steam at a reaction temp...
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WO/2021/171014A1 |
A plant and process for performing thermolysis of cellulose uses a thermolysis reactor (20) which comprises a reactor duct (30) having a longitudinal axis (31), and an eductor (32) at one end of the reactor duct (30). The eductor (32) ha...
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WO/2021/156246A1 |
The present disclosure generally relates to a pretreatment arrangement (100) for pretreatment of lignocellulosic biomass comprising a reactor vessel (101) having an upstream inlet (102) for receiving biomass and a downstream outlet (103)...
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WO/2021/151904A1 |
The invention relates to a method for obtaining a cellulosic pulp from a plant material comprising, by weight, at least 50% hemp stalks harvested at or after the flowering stage of maturity, the hemp stalks having at least 30% hemp chaff...
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WO/2021/151149A1 |
Disclosed is a process of defibrillating bacterial nanocellulose. The process may comprise providing a pulp comprising bacterial nanocellulose and an alkaline solution and freezing the pulp to form a frozen pulp. The process may comprise...
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WO/2021/141712A1 |
A method for manufacturing bleached pulp from a feedstock that includes recycled paper. The method includes steps of: (1) impregnating the feedstock with cooking liquor to yield an impregnated material having a liquor-to-fiber mass ratio...
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WO/2021/140249A1 |
The invention to which this application relates is apparatus and a method for use in the preconditioning, processing of a material mixture and forming of end products from the processed material mixture which includes fibres such as cell...
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WO/2021/118425A1 |
Method for treating biomass, comprising compressing and dewatering (62) the biomass to a dry solid content of DS1 % by weight; feeding (63) compressed biomass to a treatment vessel; adding (64) a treatment liquid to said treatment vessel...
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WO/2021/102498A1 |
The invention relates to a method for obtaining cellulose fibres from fibrous biomass (10), in which: the biomass (10) is first subjected to thermo-pressure hydrolysis, preferably with steam explosion, in a thermo-pressure hydrolysis pla...
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