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JP6664636B1 |
To provide a method for producing a paper material capable of suppressing separation / scattering even if the amount of gypsum adhering to the waste gypsum board is minimized to zero and remains even if the waste gypsum board is not fire...
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JP6646924B2 |
A method of treating polymer absorbent of a used sanitary product including pulp fiber and the polymer absorbent, comprising the steps of making the polymer absorbent imbibe water in an amount equal to a weight of the polymer absorbent o...
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JP6643455B1 |
To provide a method for producing pulp fiber for cellulose nanofiber formation from pulp fiber contained in used sanitary goods. A method for producing pulp fibers for making cellulose nanofibers from pulp fibers contained in used sanita...
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JP6635889B2 |
To provide a technique of producing excellent wastepaper pulp from wastepaper raw material containing magazine wastepaper.The present invention provides a method for producing wastepaper pulp including the steps of: dissolving wastepaper...
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JP6635946B2 |
The present invention aims to provide a technique for easily and rapidly sorting printed materials suitable as raw materials of recycled paper. Printed materials that are hard to recycle as waste paper can be identified by irradiating th...
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JP6632494B2 |
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...
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JP6634829B2 |
To provide a sheet processing apparatus capable of separating a high portion and a low portion of printing density from each other without the need of large-sized facilities, and the like.A sheet processing apparatus includes: an image a...
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JP2019536606A |
A method for separating plastics and cellulose from used absorbent hygiene products, in which a series of batches of used absorbent hygiene products are sterilized in at least one rotary autoclave (18) and sterilized. A step of crushing ...
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JP6618146B2 |
To provide a technique where deinked pulp is produced from waste paper raw material hard to be deinked such as a UV printed matter.Provided is a deinking technique comprising: a step where printed waste paper including a UV printed matte...
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JP6613191B2 |
To provide a technique where deinked pulp is produced from waste paper raw material hard to be deinked such as a UV printed matter.Provided is a deinking technique comprising: a step where printed waste paper including a UV printed matte...
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JP6606147B2 |
To provide a toilet roll comprising a sheet excellent in softness without reduction of a basis weight, and having a long wound length per roll while maintaining decorative properties exhibited by embossments, and excellent space saving p...
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JP6598836B2 |
The purpose of the present disclosure is to provide a recovery method that makes it possible to individually recover excrement and an organic acid from a deactivating aqueous solution that includes the excrement and the organic acid. Thi...
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JP6599068B1 |
When producing recycled pulp fiber from a mixture of pulp fiber and highly water-absorbent polymer, a method for efficiently producing recycled pulp fiber while appropriately removing the highly water-absorbent polymer from the pulp fibe...
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JP6590663B2 |
To provide a deinking apparatus and a used paper recycling processing apparatus capable of performing a process of depleting bubble generated when deinking a pulp solution with a simple apparatus configuration. This deinking tank (501) d...
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JP2019173240A |
To develop a technology for effectively manufacturing a deinking pulp from a deinking froth.According to the manufacturing method of a deinking pulp, the deinking pulp can be obtained from a deinking froth by treating the deinking froth ...
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JP6583005B2 |
To provide a method capable of manufacturing a deinked waste paper pulp having high whiteness and low in dirt from printed waste papers at low cost.There is provided a manufacturing method of a deinked waste paper pulp having at least a ...
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JP6580116B2 |
The purpose of the present invention is to provide a recycled pulp fiber manufacturing method with which it is possible to easily obtain recycled pulp fibers containing less of a high water-absorption polymer without requiring any mechan...
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JP6567144B2 |
To provide a method for producing a recycled pulp having a reduced ash content and capable of being reusable as a sanitary product from a used sanitary product including pulp fiber and a super absorbent polymer.Provided is a method for p...
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JP6556790B2 |
A method is provided for controlling organic contaminants, such as xylans, pitch or both, that interfere with bleaching of fibers and/or cause other interference(s) in papermaking systems. The method includes contacting fibers before any...
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JP2019119957A |
To provide a deinking agent, a processing apparatus, a sheet manufacturing apparatus, a processing method, and a sheet manufacturing method capable of efficiently removing foreign substances when the fiber-containing material contains th...
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JP6541679B2 |
The present invention provides a method for preserving recycled fiber by using biocides and a method for manufacturing paper using recycled fiber. The method for manufacturing paper, using recycled fiber as a raw material, comprises pulp...
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JP6526710B2 |
The present invention is directed to articles of manufacture, including fibers and films, and methods of making thereof. In accordance with the present invention, the article includes a binder impregnated with or encapsulating a filler. ...
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JP2019081966A |
To provide a sheet manufacturing method that makes it possible to produce a sheet having excellent whiteness by efficiently dry-bleaching the coloration of a raw material.A sheet manufacturing method has a mixture step of obtaining a mix...
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JP6523376B2 |
In this method of producing recycled fibers by removing superabsorbent polymers from fibers containing superabsorbent polymers, recycled fibers are efficiently produced while the superabsorbent polymers are suitably removed from the fibe...
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JP6516365B2 |
To provide a deinking agent for floatation excellent in ink removal property and contamination debris removal property and a manufacturing method of recycled pulp.By using a deinking agent for floatation containing aliphatic acid having ...
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JP6509324B2 |
A method for recycling waste material including waste paper comprises the steps of introducing the waste material into a pressure vessel, re-pulping the waste paper in the pressure vessel at an elevated processing temperature and pressur...
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JP6492798B2 |
To provide a method for producing deinked wastepaper pulp with high whiteness and high quality by significantly reducing dirt of deinked pulp produced from printed wastepaper including some neutral newspaper with low deinking properties....
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JP2019035172A |
To provide a deinking method having moderate foaming and excellent deinking properties.A deinking method includes a step of adding a mixture of Component A, a compound represented by the following formula (1) and Component B, a compound ...
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JP2019035173A |
To provide a high-concentration liquid deinking agent that exhibits excellent foamable and deinking performances, regardless of the deinking temperature, and does not solidify even at low temperature.A liquid deinking agent has a compoun...
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JP2019035168A |
To provide a production method of a paper material capable of minimizing or reducing an amount of deposited gypsum to zero without firing a waste gypsum board, and even when remaining, capable of suppressing separating and scattering of ...
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JP2019014984A |
To provide colored core base paper for cardboard which can satisfy both unconventional aesthetics and a compressive strength.This invention is directed to colored core base paper for cardboard comprising at least pulp and coloring materi...
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JP2019007123A |
To provide a method for producing recycled pulp fibers whereby, articles using recycled pulp fibers tend to have uniform whiteness, and the articles using recycled pulp fibers hardly give a feeling of psychological resistance to a user.T...
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JP6443291B2 |
To provide a manufacturing method of deinked pulp, which can obtain deinked pulp excellent in residual ink removal property at a high ash content, can reduce sludge ash and a loading material used, and can suppress a COD amount of waste ...
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JP6443290B2 |
To provide a method capable of manufacturing deinked used pulp having high whiteness from printed used paper at low cost.With a combination step part where a dispersion step and a bleaching step continue in a series of steps having a dis...
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JP6438077B1 |
To provide a method for producing a pulp fiber for saccharification from a used pulp fiber for sanitary goods, which has a low lignin content and a narrow distribution thereof and can produce a pulp fiber for saccharification having exce...
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JP2018159154A |
To easily separate a fiber from a colorant by a simple device structure having airflow imparting means.A separation device has a deposition part that deposits a fibrillated product containing a fiber and a colorant, and a separation part...
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JP2018156510A |
To provide a sheet manufacturing apparatus and a sheet manufacturing system which can easily manage and control.The sheet manufacturing apparatus includes: a storage unit for storing information relating to sheet manufacture for manufact...
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JP6396371B2 |
In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of t...
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JP2018525547A |
The present invention relates to a method for treating starch in the process of producing pulp, paper and paperboard. This process uses recycled fiber material as a raw material. The recycled fiber material is pulped in a pulper to obtai...
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JP6373918B2 |
To provide a method for producing recycled pulp which can be reused as sanitary goods having little ash by recovering pulp fibers from used sanitary goods comprising pulp fibers and a highly water-absorbent polymer.The method of the pres...
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JP2018520269A |
The present invention relates to a method of deinking recycled paper that includes a pulping step and then a so-called flotation step, which corresponds to at least one of the polyacrylate types, 0.05 to 3.5% by weight of recycled paper ...
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JP2018090934A |
To provide a waste paper processing device that allows a user to easily grasp the time to stop the operation.There is provided a waste paper processing device 1 comprising a waste paper storage section 24 for storing waste paper 10, a me...
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JP6324447B2 |
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...
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JP6324576B2 |
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...
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JP6316796B2 |
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...
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JP6304024B2 |
To provide a method of producing a deinked pulp having high-ash content and excellent residual ink removability, the method obtaining the deinked pulp from a printed waste paper, reducing sludge ash, and reducing a loading material to be...
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JP6304023B2 |
To provide a method wherein a high-quality and high-whiteness deinked waste paper pulp can be produced by considerably reducing dirt of a deinked pulp produced from printed waste paper including neutral newspaper having bad deinkability....
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JP6300892B2 |
To effectively treat a polymer absorber of a used sanitation supply containing a pulp fiber and the polymer absorber, and effectively recover the pulp fiber from the used sanitation supply.A method for treating a polymer absorber include...
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JP6291051B2 |
Compositions comprising enzyme compositions are provided. Also provided are methods of treating virgin fiber and recycled wastepaper containing mineral oils using the compositions comprising enzyme compositions. The mineral oils generall...
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JP6290475B2 |
To effectively treat a polymer absorber of a used sanitation supply containing a pulp fiber and the polymer absorber, and effectively recover the pulp fiber from the used sanitation supply.A method for treating a polymer absorber include...
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