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JP2010236166A |
To reduce bleaching chemical cost by effectively inactivating a catalase which is an enzyme for decomposing hydrogen peroxide by reducing the final amount of hydrogen peroxide to be added, in a step for adding a hydrogen peroxide-contain...
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JP2010221208A |
To provide a method of separating/recovering a pulp component and an inorganic component from paper making sludge.There is provided the method of separating/recovering the pulp component and the inorganic component by heating the paper m...
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JP4556344B2 |
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JP4553436B2 |
To establish a practical process for increasing the efficiency of the cellulase deinking process by optimizing the process based on the mechanism of the cellulase deinking. In the reclaiming process for the toner-printed wastepaper, the ...
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JP4551012B2 |
To solve a problem that an installation can not be compacted due to too many parts, and a problem that it is difficult to uniformly disperse and supply a waste paper raw material liquid into a treating tank in the longitudinal direction ...
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JP4547335B2 |
A novel endoglucanase derived from Staphylotrichum coccosporum , a polynucleotide encoding the endoglucanase, and a cellulase preparation containing the endoglucanase are disclosed. The endoglucanase or cellulase preparation is available...
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JP4543757B2 |
To provide a method for manufacturing high-quality deinked-pulp by selecting used paper through simply and rapidly discriminating printed materials from others to remove UV coats and polypropylene coats, in particular, without requiring ...
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JP4538479B2 |
A flotation apparatus F includes a tank 1 for receiving a liquid raw material, and introduces air into the tank 1 to generate bubbles for adsorbing print ink in the liquid raw material to the bubbles, thereby floating and separating the ...
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JP2010529421A |
A method to detect organic contaminants in pulp and fiber is described which uses hydrophobic dyes, such as fluorescent dyes.
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JP4530575B2 |
To reduce numbers of blowers supplying air to floatators. This floatation equipment comprising tightly closed type floatators 15, 15A and 15B in parallel operation and a processing equipment for froth 31 separating froth 9 flown out from...
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JP4530573B2 |
To facilitate handling in a floss treating step by promoting the foam breakage of froth. This apparatus for treating the froth is obtained by installing a reducer 17b reducing the pipe diameter in the course of a floss discharging pipe 1...
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JP4530574B2 |
To obtain a processing equipment for froth promoting breakage of foams and facilitating handling of the air and the froth liquid in an after treatment. This processing equipment for froth comprises a froth drainpipe 17 connected to a fro...
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JP4521578B2 |
To recover the ash content including fillers from the pulp slurry at the deinking process in high yield and utilizes the ash content effectively. In the method for producing deinked pulp by adding an additive for producing deinked pulp t...
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JP4522009B2 |
To solve a problem that a conventional air-diffusing pipe built in a flotator facilitates the adhesive accumulation of waste paper fibers and the like and requires many labors for the manufacture of the pipe to enhance its cost. This flo...
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JP4519228B2 |
To provide sanitary paper such as toilet paper, tissue paper, roll paper, hand paper towel or napkin paper having good touch feeling, though good-quality cellulosic fiber taken out from a plastic coated paper raw material such as cow mil...
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JP4514329B2 |
An apparatus for cleaning a fiber mass suspension, the apparatus comprising a receptacle and an inlet channel and an outlet channel for feeding the suspension into and for discharging it from the receptacle. In addition, the apparatus co...
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JP4502989B2 |
To provide a simple treatment method of wastewater suppressing the use amount of chemicals. The treatment method of the wastewater discharged in a waste paper pulp production process comprises the steps of adding to the wastewater a stro...
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JP2010126850A |
To provide a defibration promoting agent for water-resistant waste paper or broke treated with an epoxy resin, etc., and used e.g. as a corrugated medium of a corrugated board to be used for storage of water-exuding vegetables, etc., and...
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JP4478019B2 |
A method of deinking printed paper comprises pulping the paper to form an aqueous slurry, adding a deinking additive to the paper, and removing detached ink by flotation, wherein the additive comprises an organo-modified siloxane compris...
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JP4469940B2 |
To effectively utilize the total opening area of a screen cylinder. This screen device 20 is composed by placing a paper-making raw material entrance 2 in the lower portion of the screen device 20, placing a reject exit 3 in the upper po...
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JP2010100984A |
To provide a method for producing deinked pulp from printed waste paper as a raw material, by which the microdivision of adhesive foreign matter can be prevented to lower the COD of drain water, and the deinked pulp small in residual ink...
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JP2010100985A |
To provide a method for producing deinked pulp from printed waste paper as a raw material, by which the finization of adhesive foreign matter can be prevented to lower the COD of drain water, and the deinked pulp small in residual ink co...
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JP4452625B2 |
Disclosed is a novel cellulase having an amino acid sequence in which the 162nd and/or 166th amino acid residues in the amino acid sequence of cellulase NCE5 are substituted. Further, a polynucleotide encoding the novel cellulase, an exp...
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JP2010077551A |
To provide a treating apparatus for treating discarded sheets so as to be made into recycled papers while preventing information from being read.The treating apparatus includes: a sheet box 10 not only accumulating the discarded sheets 7...
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JP2010047176A |
To provide a waste paper conveying vehicle capable of efficiently collecting waste confidential paper while maintaining confidentiality.A liquid tank 3 for waster paper treatment containing a treatment liquid is loaded on the waste paper...
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JP2010047894A |
To provide a regenerated card paper without trouble in reading of stealth printing currently printed for sortation, destination on the card even abundantly formulating used paper containing fluorescent dye, and having excellent printing ...
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JP2010043374A |
To provide a device for cleaning a flotator air nozzle which effectively cleans an air nozzle with a small amount of a cleaning liquid and simplifies the structure.The flotator 1 includes the device 8 for cleaning a flotator air nozzle t...
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JP2010043368A |
To provide a method for recycling metal-laminated waste paper, by which waste paper prepared by laminating metal foil to a paper substrate is efficiently separated into the paper and the metal foil, whereby pulp scarcely contaminated wit...
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JP4414164B2 |
To provide a method for producing a branched alkyl ether compound having a constant polymerization composition and a prescribed molecular weight in good reproducibility. The method for producing the branched alkyl ether compound represen...
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JP2010007200A |
To provide a disaggregation promoter having high disaggregation-promoting effect, and to provide a disaggregation method using the same.The disaggregation promoter contains (A) an oil and (B) an emulsifier having functional groups each b...
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JP2010001579A |
To provide a device for scooping up suspended matter, causing almost no vibration, hardly causing noises and remainders for scooping up, and enabling the speed of the scooping up to be increased.The device for scooping up suspended matte...
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JP4392778B2 |
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JP4390303B2 |
To sufficiently wash out and remove scale formed in the deinking of wastepaper and in papermaking by adopting an aqueous solution of a caustic alkali including hydroxycarboxylic acid or its salt as a washing liquid. The method of this in...
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JP4386578B2 |
The invention relates to a process for obtaining fibers integral with calcium carbonate particles, in which the fibers to be treated are contacted with carbon dioxide generator means and at least one composition comprising Ca++ ions capa...
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JP4385766B2 |
Treating woodchips comprising: (a) production of DNA encoding a specific antisense RNA; (b) constructing a vector; (c) effecting transcription by using the vector and preparing host cells with suppressed cellulose-digesting enzyme activi...
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JP2009287145A |
To provide a deinking agent for recycling waste paper capable of producing high-quality deinked pulp with extremely little residual ink.The deinking agent includes a polymer (a) obtained by copolymerizing one or two or more monomers (I) ...
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JP4373591B2 |
To provide a method for controlling scales in a process for producing deinked waste paper pulp, by which calcium carbonate scales and silicate-silica composite scales for can effectively be controlled to prevent the trouble of scale adhe...
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JP2009270222A |
To provide a method for producing deinked pulp with little of unreleased ink from printed waste paper.The method for producing deinked pulp comprises the preparation of a pulp slurry containing a nonionic surfactant (1) consisting of a c...
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JP2009263846A |
To provide a deashing agent for a deinking step, satisfying both of deinking and deashing properties.The deashing agent for deinking steps comprises a polyamine polyamide compound or a salt thereof, the polyamine polyamide compound being...
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JP4355236B2 |
To provide a method for stabilizing ash ratio in waste paper pulp. The invention relates to the method for producing waste paper pulp comprising a process disintegrating waste paper, a dust removing process, a bleaching process, a deinki...
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JP2009235587A |
To provide a bleaching assistant composition excellently bleaching wastepaper and a method for bleaching wastepaper.In the bleaching assistant composition that is used with hydrogen peroxide and bleaches wastepaper, the bleaching assista...
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JP2009235625A |
To provide a method for producing high-ash and high-whiteness waste paper pulp from waste paper, which enables the mechanical strength of the pulp to be improved stably without being affected by impurities in waste pulp such as mechanica...
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JP4342293B2 |
To provide a deinking agent obtained by simple reaction and excellent in ink-collecting ability. The deinking agent comprises a reaction product obtained by adding a 2-4C alkylene oxide in the presence of an alkali catalyst to a mixture ...
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JP4339744B2 |
The de-inking procedure consists of circulating the pulp in a flotation cell comprising a chamber (2) with a vertical axis in which the pulp can move downwards from top to bottom, passing through a series of stages (E1...En), in each of ...
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JP2009534640A |
A measuring device is provided that includes a camera, and an image-processing unit and a fractionating pipe. The receives a sample from recycled fibre pulp of a recycled fibre process and arranges the particles of the flowing sample in ...
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JP4322800B2 |
To provide a deinking agent having both a good ink-releasing property and a good ink-collecting property. This deinking agent comprising a compound prepared by adding an alkylene oxide to an amide compound having a hydrogen atom on the a...
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JP2009185426A |
To provide a method for producing a deinked pulp having excellent ink releasing effect.The deinked pulp production process contains a step of adding 0.01-1.0 pt.wt., based on 100 pts.wt. of the pulp, of an amine compound at least having ...
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JP4317596B2 |
This invention is a method for deinking wastepaper by disintegrating the waste paper in an carbonate aqueous solution containing sodium sulfite and sodium carbonate to produce a fibrous slurry having a pH of at least 7.5, separating the ...
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JP4296818B2 |
To provide a testing method for evaluating the foaming properties of a diluted water solution of a surfactant or a water system containing the surfactant, to provide an apparatus used for a foaming test, to provide a method of selecting ...
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JP4291507B2 |
A method is disclosed for controlling anionic trash and pitch deposition and treating coated broke which comprises the step of adding a polyammonium quaternary to a pulp and papermaking system. The polyammonium quaternary, which may be e...
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