GB1407046A - Method of treating suspensions of fibrous materials - Google Patents

Method of treating suspensions of fibrous materials

Info

Publication number
GB1407046A
GB1407046A GB4129272A GB4129272A GB1407046A GB 1407046 A GB1407046 A GB 1407046A GB 4129272 A GB4129272 A GB 4129272A GB 4129272 A GB4129272 A GB 4129272A GB 1407046 A GB1407046 A GB 1407046A
Authority
GB
United Kingdom
Prior art keywords
fibrous materials
treating suspensions
suspensions
treating
fibrous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4129272A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PROMY
VNII TSELLJULOZNO BUMAZHNOI
Original Assignee
PROMY
VNII TSELLJULOZNO BUMAZHNOI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PROMY, VNII TSELLJULOZNO BUMAZHNOI filed Critical PROMY
Publication of GB1407046A publication Critical patent/GB1407046A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1284—Mixing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/41—Emulsifying
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294—"Venturi" aeration means
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/08—Alkali cellulose
    • C08B1/10—Apparatus for the preparation of alkali cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B9/00—Cellulose xanthate; Viscose
    • C08B9/02—Sulfidisers; Dissolvers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/02—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fibres, slivers or rovings
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/224—Use of means other than pressure and temperature
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1015—Bleaching ; Apparatus therefor with use of means other than pressure, temperature
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Biochemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
GB4129272A 1972-09-01 1972-09-06 Method of treating suspensions of fibrous materials Expired GB1407046A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00285860A US3834982A (en) 1972-09-01 1972-09-01 Method and apparatus utilizing the effects of cavitation in the treatment of fibrous suspensions

Publications (1)

Publication Number Publication Date
GB1407046A true GB1407046A (en) 1975-09-24

Family

ID=23096016

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4129272A Expired GB1407046A (en) 1972-09-01 1972-09-06 Method of treating suspensions of fibrous materials

Country Status (4)

Country Link
US (1) US3834982A (en)
DE (1) DE2241673C2 (en)
FR (1) FR2199765A5 (en)
GB (1) GB1407046A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025712A1 (en) * 1979-09-13 1981-03-25 FIBER ASSOCIATES Incorporated Process and apparatus for dewatering of rayon staple by squeezing rollers

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2598404B1 (en) * 1985-10-08 1989-12-01 Augarde Jacques WATER TREATMENT PROCESS USING RECYCLABLE ASBESTOS FIBERS
AU595842B2 (en) * 1985-11-15 1990-04-12 Canadian Liquid Air Ltd. Pulp bleaching
WO1994013392A1 (en) * 1991-11-29 1994-06-23 Ki N Proizv Ob Method and device for producing a free dispersion system
DE4433744C2 (en) * 1994-09-21 2001-02-22 Schueler Rolf Device for mixing media to produce liquid systems
DE69623657T2 (en) * 1996-02-15 2003-07-31 Oleg Vyaceslavovic Kozyuk METHOD AND DEVICE FOR PRODUCING A FREE DISPERSE SYSTEM IN A LIQUID
US5931771A (en) * 1997-12-24 1999-08-03 Kozyuk; Oleg V. Method and apparatus for producing ultra-thin emulsions and dispersions
US5971601A (en) * 1998-02-06 1999-10-26 Kozyuk; Oleg Vyacheslavovich Method and apparatus of producing liquid disperse systems
US6365555B1 (en) * 1999-10-25 2002-04-02 Worcester Polytechnic Institute Method of preparing metal containing compounds using hydrodynamic cavitation
DE10009326A1 (en) * 2000-02-28 2001-08-30 Rs Kavitationstechnik Mixing device used for mixing emulsion or suspension comprises housing and flow through chamber whose cross-section is larger in flow direction of material stream which flows through it
US20050067122A1 (en) * 2000-05-17 2005-03-31 Bijan Kazem Methods of processing lignocellulosic pulp with cavitation
US20050150618A1 (en) * 2000-05-17 2005-07-14 Bijan Kazem Methods of processing lignocellulosic pulp with cavitation
US6502979B1 (en) * 2000-11-20 2003-01-07 Five Star Technologies, Inc. Device and method for creating hydrodynamic cavitation in fluids
US7771582B2 (en) * 2003-05-19 2010-08-10 Hydro Dnamics, Inc. Method and apparatus for conducting a chemical reaction in the presence of cavitation and an electrical current
KR100926819B1 (en) * 2003-07-31 2009-11-12 니뽄 세이시 가부시끼가이샤 Process for producing recycled pulp, method of modifying pulp fiber surface and contaminant, and pulp treating apparatus
US20050042129A1 (en) * 2003-08-22 2005-02-24 Bijan Kazem Method and apparatus for irradiating fluids
WO2006028499A2 (en) * 2004-09-02 2006-03-16 Hydro Dynamics, Inc. Methods of processing lignocellulosic pulp with cavitation
CA2757539C (en) * 2005-02-09 2014-04-29 Nippon Paper Industries, Co., Ltd. Methods for beating pulp, methods for treating process waters, and methods for producing pulp and paper
DE102005037026B4 (en) * 2005-08-05 2010-12-16 Cavitator Systems Gmbh cavitation mixer
JP5307400B2 (en) * 2005-11-04 2013-10-02 日本製紙株式会社 Papermaking raw material processing equipment
JP5030567B2 (en) 2005-12-27 2012-09-19 信越化学工業株式会社 Method for producing cellulose ether
US8430968B2 (en) * 2008-01-22 2013-04-30 Hydro Dynamics, Inc. Method of extracting starches and sugar from biological material using controlled cavitation
DE102008023434A1 (en) * 2008-05-14 2009-11-19 Norske Skog Walsum Gmbh Method and device for comminuting cellulose-containing raw material
CN101845100B (en) * 2010-06-17 2012-06-27 杨占平 Method for manufacturing cellulose diacetate by using natural bamboo fiber as raw material
EP2678474B1 (en) * 2011-02-24 2017-08-23 Innventia AB Single-step method for production of nano pulp by acceleration and disintegration of raw material
BR112015020572B1 (en) * 2013-02-28 2022-02-22 Sun Chemical Corporation Continuous process to transform ground solid into liquid dispersion and apparatus
CN107389305B (en) * 2017-09-21 2023-09-19 清华大学 Convenient and easy-to-use multi-working-condition temperature-controllable cavitation visual experimental device and experimental method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234687B (en) * 1964-02-13 1967-02-23 Ultrasonics Ltd Device for atomizing liquids in air or gases, in particular for atomizer burners
DE1258835B (en) * 1964-08-28 1968-01-18 James R Lage Dr Mixing device
DE1275513B (en) * 1966-02-09 1968-08-22 Ultrasonics Ltd Device for dispersing solids, in particular liquids containing fibers
DE1557212C3 (en) * 1967-05-26 1974-01-17 Fritz Dr.-Ing. 8026 Ebenhausen Schoppe Method for mixing a main liquid with at least one gaseous, liquid or powdery additional component or mixtures of such components

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025712A1 (en) * 1979-09-13 1981-03-25 FIBER ASSOCIATES Incorporated Process and apparatus for dewatering of rayon staple by squeezing rollers

Also Published As

Publication number Publication date
US3834982A (en) 1974-09-10
FR2199765A5 (en) 1974-04-12
DE2241673C2 (en) 1982-03-04
DE2241673A1 (en) 1974-03-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee