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8144912 |
Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker
A manufacturing method of a paper making part for a loudspeaker has freedom of adjusting a characteristic and a sound quality, and has a higher productivity. Accordingly, a fibrillating step of a...
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8057639 |
System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process
A system has been developed for pretreating cellulosic biomass feed stock including: a first pressurized reactor receiving the feed stock, wherein the feed stock undergoes hydrolysis in the first...
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7967947 |
Methods for beating pulp, methods for treating process waters, and methods for producing pulp and paper
The first invention aims to provide a method for preparing stiffer bulky pulp at a freeness level comparable to that obtained by mechanical treatments to improve the bulkiness of product paper by...
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7967948 |
Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents
A process for bleaching mechanical wood pulp is provided comprising subjecting the wood pulp to at least one bleaching stage with one or more bleaching agents in the presence of one or more optical...
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7905983 |
Refiner steam separation system for reduction of dryer emissions
A refiner steam separation system according to the present invention includes a blowline for transporting a mixture of fiber material from a refiner to an inlet of a steam separator. Waste steam is...
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7727355 |
Methods for producing recycled pulp and methods for modifying pulp fiber surfaces using liquid jet cavitation
The present invention aims to produce high-quality recycled pulp with little damage to fibers, high brightness and low residual ink by means of a force selectively acting on fiber surfaces during...
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7718034 |
Refiner steam separation system for reduction of dryer emissions
A refiner steam separation system according to the present invention includes a blowline for transporting a mixture of fiber material from a refiner to an inlet of a steam separator. Waste steam is...
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7510625 |
Device and method of using explosive forces in a contained environment
A method is provided for subjecting a material which is partially in a solid state and partially in a liquid state to explosive forces. The method includes containing the material in a vessel...
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7368037 |
Refiner steam separation system for reduction of dryer emissions
A refiner steam separation system according to the present invention includes a blowline for transporting a mixture of fiber material from a refiner to an inlet of a steam separator. Waste steam is...
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7189306 |
Process of treating lignocellulosic material to produce bio-ethanol
This invention relates to a process of treating a lignocellulosic material to produce bio-ethanol. The process includes the steps of: (a) exposing the lignocellulosic material to conditions...
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6623600 |
Method of performing an impregnating or extracting treatment on a resin-containing wood substrate
In impregnating or extracting treatments of resin-containing wood substrates using a resin-soluble supercritical fluid as delivering or extractive solvent medium problems due to exudation of resin...
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6464826 |
Method for producing and treating wood fiber
Method is disclosed for treating wood chips including a heater for preheating the wood chips in the presence of steam, a beater to mechanically process the wood chips into wood fibers, a cyclone...
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6461472 |
Explosively-split fragments obtained by water-vapor explosion of wooden source materials, wooden material containing such fragments as its aggregate, their manufacturing methods and machines
In order to inexpensive construction materials effectively utilizing timber resources and realizing any desired properties by using so-called low-quality materials including slim timbers, old...
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6413362 |
Method of steam treating low yield papermaking fibers to produce a permanent curl
Wood fiber morphology can be permanently altered by introducing a substantial kink, twist, curl, crimp or other curvilinear deformation into a wood fiber. Wood fibers are first Fiberized using...
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6372085 |
Recovery of fibers from a fiber processing waste sludge
A process of recovering a useful population of fibers and fines from the waste stream of fiber processing facility is disclosed. Steam explosion of the fiber-containing waste stream is used to...
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6336992 |
Method and apparatus for wetting fibrous material
A method and an apparatus for wetting fibrous material, such as coarsely shredded waste paper. Fibrous material and wetting fluid is introduced into a wetting enclosure. Pressure is decreased...
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6306248 |
Method for transforming diverse pulp and paper products into a homogenous cellulosic feedstock
A method for treating diverse pulp and paper products to produce a homogenous cellulosic feedstock comprises the steps of feeding diverse pulp and paper products into a vessel, introducing steam...
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6228213 |
Production of microcrystalline cellulose by reactive extrusion
This process involves feeding cellulose into an extruder with an acid solution. The extruder is comprised of a screw and a barrel. The screw is rotated so as to pressurize the cellulose, and the...
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6059926 |
Method for manufacturing a paper diaphragm for a loud speaker
To manufacture a diaphragm of the present invention for use in a loud speaker, first a suspension is made by putting fibers consisting chiefly of polysaccharide constituting fibrous molecules into...
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5755926 |
Integrated pulping process of waste paper yielding tissue-grade paper fibers
This invention provides an integrated system for recovering fibers from mixed grades of waste paper and simultaneously cleaning (deinking) waste fibers. The system comprises a mild alkaline pulping...
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5728269 |
Board produced from malvaceous bast plant and process for producing the same
A board composed of a lignocellulosic material and the modification thereof as the substantial components and having good mechanical strength, even when the board does not contain any components...
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5718802 |
Process for obtaining cellulosic fiber bundles at least 2.5 cm long from plant stalk rind
Novel fiber bundles may be produced as a by-product of sugar cane or other plants. These fiber bundles may be spun into a yarn, or formed into a non-woven mat. The non-woven mat is useful, for...
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5454911 |
Apparatus for hydrolyzing and drying lignocellulosic material
An energy efficient process for hydrolyzing lignocellulosic materials which comprises using a primary system by providing a start-up energy input to operating saturated steam conditions and...
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5328562 |
Process for preparing a hydrolysed lingnocellulosic material
An energy efficient process for hydrolyzing lignocellulosic materials which comprises using a primary system by providing a start-up energy input to operating saturated steam conditions and...
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5262003 |
Method and system for defibering paper making materials
A process of preparing a suspension of paper making fibers in water for use in the making of paper includes the steps of treating a mass of fibrous materials, such as shredded waste paper...
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5198074 |
Process to produce a high quality paper product and an ethanol product from bamboo
A method of producing high quantities of ethanol and a high quality pulp to produce a variety of papers. The method comprises preparing the bamboo by chipping, shredding and washing. This bamboo...
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5135612 |
Methods for making exploded bark products
A method for making a shaped product comprising exploded bark. Preferably the shaped product comprises exploded softwood bark having at least 23% cellulose and at least 18% lignin and polyphenols...
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5122228 |
Method of treatment of waste paper with steam
Method is disclosed of treatment of waste paper or the like at high temperatures in the range of 160° C. to about 230° C. The furnish is treated in a digester with or without added chemicals but i...
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4971658 |
Method of intensifying the washing of a fiber suspension
The present invention relates to a method of intensifying the washing of a fiber suspension. In particular, the present invention relates to decreasing the lignin content of a fiber suspension by...
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4966650 |
Method for fractionation of lignins from steam exploded lignocellulosics to provide fractions with different properties
The chemical components of lignocellulosic material which have been dissociated by a steam explosion process can be extracted from the mixture of components using a solvent extraction process. The...
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4908099 |
Process to dissociate and extract the Lignin and the Xylan from the primary wall and middle lamella or lignocellulosic material which retains the structural integrity of the fibre core
A process for the separation of the fibres from each other in lignocellulosic (straw, bagasse, wood) composites, and at the same time to dissociate the Lignin and the Xylan in the middle lamella...
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4908098 |
Method for extracting the chemical components from dissociated lignocellulosic material
The chemical components of lignocellulosic material that have been dissociated by a stream explosion process can be extracted from the mixture of components using a solvent extraction process. The...
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4751034 |
Method of molding using dissociated lignocellulosic material and the product so produced
Dissociated lignocellulosic material produced by a process of explosive depressurization is molded into products of widely varying densities. Various fibrous and woody materials can be incorporated...
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4708746 |
Method the hydrolytic splitting of acid treated comminuted crude cellulose with steam
A method for acid-catalyzed hydrolytic splitting of cellulose to give a high yield in sugar with a minimal expenditure in energy, in particular, with the smallest possible charge of live steam....
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4645541 |
Method of producing level off DP microcrystallinecellulose and glucose from lignocellulosic material
Microcrystalline cellulose has many applications in the pharmaceutical, food, paper and structural composite industries. Level off DP (Degree of Polymerization) microcrystalline cellulose is made...
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4600545 |
Process for the preparation of fibers from polymeric materials
Polyolefin fibers, which are suited for at least partially substituting the cellulose fibers in the manufacture of paper, are produced by a process which consists in preparing in a pressure vessel...
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4540467 |
Method for fragmenting municipal solid wastes
A method and apparatus for the removal of mold core material from metal castings and for fragmentation of municipal waste material, e.g., paper products, involves heating and hydrating the...
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4461648 |
Method for increasing the accessibility of cellulose in lignocellulosic materials, particularly hardwoods agricultural residues and the like
This invention comprises a method for increasing the accessibility of cellulose in lignocellulosic materials to chemical or biochemical reagents. The material is steam cooked for a predetermined...
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4326913 |
Method and apparatus in defibration
A method and apparatus in defibration of wood chips or similar vegetable material for conveying in steam pulp produced in a refiner (2) to a separator (7) for separating steam and pulp. The...
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4235707 |
Method and apparatus for treating solid municipal refuse and other cellulose containing material
Solid Municipal Waste is loaded, or loaded and compacted, into a pressure vessel which has means for very fast opening for discharging the contents. The pressure vessel is pressurized, with steam,...
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4188259 |
Recovery of fibre from laminated carton boards
A method for recovering cellulosic fibres from thermoplastic-fibreboard laminates such as fruit juice and milk cartons. The method involves heating the laminate in a pulping liquor to a temperature...
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4163687 |
Method and apparatus for explosively defibrating cellulosic fiber
A uniquely designed nozzle is described for assisting the liberation of fibres from cellulosic material during an explosive defibration process. The nozzle is constructed with a plurality of...
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4136207 |
Method of treating lignocellulose materials to produce ruminant feed
Lignocellulose material is mechanically compacted and subjected to sudden pressure increase by exposure to saturated steam in a digestor vessel in the absence of added chemical reagents to obtain a...
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4093507 |
Method of liquid treating cellulose fibres with elastic pressure shocks
Cellulose fibers are treated by providing the fibers in a 10-90% concentration in liquid, and applying elastic pressure shocks to the fibers for a duration not exceeding one second and of a...
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4000032 |
Process of freeing cellulose fibers from lignocellulosic material by irradiation
A process is provided for freeing cellulose fibers from lignocellulosic material, which comprises subjecting particulate lignocellulosic material to irradiation at a frequency within the range from...
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3644170 |
FIBRILATING FIBROUS PULP STOCK IN A GAS STREAM
Pulp stock in the form of dehydrated pulp flakes having a moisture content of between 20 and 50 percent is entrained in an airstream and is fed into a fibrilator where it is subjected to a...
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3617433 |
DEFIBERING DISCHARGER FOR CONTINUOUS DIGESTERS
Fibrous material is discharged from a digester into a discharger tank which has a perforated plate in one of its walls for discharging the fibrous material into a first exit chamber. From the first...
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3085926 |
Hydropyrolysis of woody materials to form thermosetting compounds
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3046183 |
Process and apparatus for the hydraulic impregnation of cellulosic materials
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2961041 |
Apparatus for disintegration of fibrous material
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