[go: up one dir, main page]

BR8507201A - Um processo para a absorcao de agua tendo um ph menor que quatro - Google Patents

Um processo para a absorcao de agua tendo um ph menor que quatro

Info

Publication number
BR8507201A
BR8507201A BR8507201A BR8507201A BR8507201A BR 8507201 A BR8507201 A BR 8507201A BR 8507201 A BR8507201 A BR 8507201A BR 8507201 A BR8507201 A BR 8507201A BR 8507201 A BR8507201 A BR 8507201A
Authority
BR
Brazil
Prior art keywords
less
water absorption
absorption
water
Prior art date
Application number
BR8507201A
Other languages
English (en)
Inventor
Mark J Mckinley
Jim W Sanner
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR8507201A publication Critical patent/BR8507201A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/32—Materials not provided for elsewhere for absorbing liquids to remove pollution, e.g. oil, gasoline, fat
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G33/00—Dewatering or demulsification of hydrocarbon oils
    • C10G33/04—Dewatering or demulsification of hydrocarbon oils with chemical means
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Thermal Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
BR8507201A 1985-04-15 1985-04-15 Um processo para a absorcao de agua tendo um ph menor que quatro BR8507201A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1985/000679 WO1986006000A1 (en) 1985-04-15 1985-04-15 A process for absorbing water having a ph less than four

Publications (1)

Publication Number Publication Date
BR8507201A true BR8507201A (pt) 1987-08-04

Family

ID=22188646

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8507201A BR8507201A (pt) 1985-04-15 1985-04-15 Um processo para a absorcao de agua tendo um ph menor que quatro

Country Status (6)

Country Link
US (1) US4511477A (pt)
EP (1) EP0217791B1 (pt)
JP (1) JPS62500500A (pt)
BR (1) BR8507201A (pt)
DE (1) DE3576282D1 (pt)
WO (1) WO1986006000A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880858A (en) * 1985-03-05 1989-11-14 Allied Colloids Limited Water absorbing polymers
US4511477A (en) * 1985-04-15 1985-04-16 The Dow Chemical Company Process of using water-absorbent agents for low pH applications
ES2030165T3 (es) * 1987-01-30 1992-10-16 Allied Colloids Limited Polimeros absorbentes del agua.
GB9009956D0 (en) * 1990-05-03 1990-06-27 David And Aaron S Paperworks L Garment hanger
GB9313017D0 (en) * 1993-06-24 1993-08-11 Univ Strathclyde Measurement of water content
US6107365A (en) * 1997-09-03 2000-08-22 The Regents Of The University Of California Biomimetic hydrogel materials
US6238791B1 (en) 1997-12-18 2001-05-29 Ppg Industries Ohio, Inc. Coated glass fibers, composites and methods related thereto
US6087000A (en) * 1997-12-18 2000-07-11 Ppg Industries Ohio, Inc. Coated fiber strands, composites and cables including the same and related methods
US6623645B1 (en) 2000-10-27 2003-09-23 Dewater Solutions, Inc. Wastewater containment and treatment methods
EP1573832A2 (en) * 2001-06-28 2005-09-14 Reveo, Inc. Polymer matrix material and electrochemical cell incorporating polymer matrix material
US8156896B2 (en) 2006-11-20 2012-04-17 Church & Dwight Co., Inc. Clump recognition animal litter
DE102007027477A1 (de) * 2007-06-14 2009-01-02 Construction Research & Technology Gmbh Baustofftrockenmischungen basierend auf Calciumsulfat

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3670731A (en) * 1966-05-20 1972-06-20 Johnson & Johnson Absorbent product containing a hydrocolloidal composition
US3669103A (en) * 1966-05-31 1972-06-13 Dow Chemical Co Absorbent product containing a hydrocelloidal composition
US4028233A (en) * 1972-10-05 1977-06-07 Hoechst Aktiengesellschaft Water purification process
US3926891A (en) * 1974-03-13 1975-12-16 Dow Chemical Co Method for making a crosslinkable aqueous solution which is useful to form soft, water-swellable polyacrylate articles
US4090013A (en) * 1975-03-07 1978-05-16 National Starch And Chemical Corp. Absorbent composition of matter
DE2614662A1 (de) * 1975-04-07 1977-01-27 Dow Chemical Co Zusammensetzung zur herstellung von in wasser quellbaren gegenstaenden
CA1104782A (en) * 1976-06-07 1981-07-14 Robert E. Erickson Absorbent films and laminates
US4194998A (en) * 1976-12-06 1980-03-25 The United States Of America As Represented By The Secretary Of Agriculture Highly absorbent polyhydroxy polymer graft copolymers without saponification
US4134863A (en) * 1976-12-06 1979-01-16 The United States Of America As Represented By The Secretary Of Agriculture Highly absorbent graft copolymers of polyhydroxy polymers, acrylonitrile, and acrylic comonomers
US4190562A (en) * 1977-04-04 1980-02-26 The B. F. Goodrich Company Improved water absorbent copolymers of copolymerizable carboxylic acids and acrylic or methacrylic esters
US4242242A (en) * 1977-06-10 1980-12-30 Akzona Incorporated Highly absorbent fibers of rayon with sulfonic acid polymer incorporated
JPS6024807B2 (ja) * 1979-02-19 1985-06-14 昭和電工株式会社 高吸水性ヒドロゲルの製造方法
US4293609A (en) * 1979-07-09 1981-10-06 The Dow Chemical Company Flexible absorbent laminates
US4511477A (en) * 1985-04-15 1985-04-16 The Dow Chemical Company Process of using water-absorbent agents for low pH applications

Also Published As

Publication number Publication date
EP0217791A4 (en) 1988-03-22
DE3576282D1 (de) 1990-04-12
JPS62500500A (ja) 1987-03-05
WO1986006000A1 (en) 1986-10-23
US4511477A (en) 1985-04-16
EP0217791B1 (en) 1990-03-07
EP0217791A1 (en) 1987-04-15
JPH0353016B2 (pt) 1991-08-13

Similar Documents

Publication Publication Date Title
PT94628A (pt) Processo para a preparacao de formulacoes contendo peptidos soluveis em agua de libertacao retardada
PT83179B (pt) Processo para a preparacao de carbinois aril-piperidinicos
PT81859B (pt) Processo para a preparacao de derivados de tiazolidinodionas
PT82969A (pt) Processo para retirar selenio hexavalente de agua
PT83152B (pt) Processo para a preparacao de compostos di-t-butilfenoicos
PT81995B (pt) Processo para a preparacao de um vinho de grau alcoolico baixo
PT83073B (pt) Processo para a preparacao de novos derivados da guanina
PT82062B (pt) Processo para a preparacao de compostos piridinilimidazolidinona
BR8601962A (pt) Processo para a preparacao de compostos
BR8507201A (pt) Um processo para a absorcao de agua tendo um ph menor que quatro
PT83344A (pt) Processo para a preparacao de ypsilon-carbolinas antipsicoticas
BR8605891A (pt) Processo para a preparacao de sulfometilpoliacrilamida
PT82678B (pt) Processo para a preparacao de compostos de cinolina
PT82400B (pt) Processo para a preparacao de benziltriazoles fluorados
BR8504643A (pt) Processo para selar estruturas
PT82383B (pt) Processo para a preparacao de epipodofilotoxina e compostos afins
PT82245B (pt) Processo para a preparacao de 2-amino-6-cloropurina
PT83066B (pt) Processo para a preparacao duma mistura de corantes poliazoicos directos pretos, soluveis em agua
BR8206196A (pt) Processo para a fixacao de materiais estranhos que se encontram em agua
PT83325B (pt) Processo para reduzir a dureza carbonatica de agua
PT85608A (pt) Processo para a preparacao de derivados de fenil-etanolamina
PT83154B (pt) Processo para a preparacao de quinolizino-sulfonamidas
PT83164B (pt) Processo para a preparacao de alilamina e de compostos de alilamonio quaternario
BR8606154A (pt) Processo para a preparacao de compostos glicidilicos e emprego
PT83531B (pt) Processo para a preparacao de derivados de dicloroanilina