PT87398A - Procede pour reduire la viscosite des boues d:hydroxyde de magnesium - Google Patents

Procede pour reduire la viscosite des boues d:hydroxyde de magnesium

Info

Publication number
PT87398A
PT87398A PT87398A PT8739888A PT87398A PT 87398 A PT87398 A PT 87398A PT 87398 A PT87398 A PT 87398A PT 8739888 A PT8739888 A PT 8739888A PT 87398 A PT87398 A PT 87398A
Authority
PT
Portugal
Prior art keywords
viscosite
hydroxyde
magnesium
reduce
des boues
Prior art date
Application number
PT87398A
Other languages
English (en)
Other versions
PT87398B (pt
Inventor
Dodd W Fong
Daniel V Diep
Original Assignee
Nalco 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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of PT87398A publication Critical patent/PT87398A/pt
Publication of PT87398B publication Critical patent/PT87398B/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00—Compounds of magnesium
    • C01F5/14—Magnesium hydroxide
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0391—Affecting flow by the addition of material or energy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
PT87398A 1987-05-15 1988-05-04 Processo para reduzir a viscosidade de lamas de hidroxido de magnesio PT87398B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/049,891 US4743396A (en) 1987-05-15 1987-05-15 Pumpable magnesium hydroxide slurries

Publications (2)

Publication Number Publication Date
PT87398A true PT87398A (pt) 1989-05-31
PT87398B PT87398B (pt) 1992-09-30

Family

ID=21962285

Family Applications (1)

Application Number Title Priority Date Filing Date
PT87398A PT87398B (pt) 1987-05-15 1988-05-04 Processo para reduzir a viscosidade de lamas de hidroxido de magnesio

Country Status (4)

Country Link
US (1) US4743396A (pt)
EP (1) EP0293642A3 (pt)
NO (1) NO882117L (pt)
PT (1) PT87398B (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952642A (en) * 1987-10-26 1990-08-28 Nalco Chemical Company Process for making acrylamido methane sulfonic acid polymers
US6482373B1 (en) 1991-04-12 2002-11-19 Newmont Usa Limited Process for treating ore having recoverable metal values including arsenic containing components
US5332559A (en) * 1991-07-10 1994-07-26 Newmont Gold Co. Biooxidation process for recovery of metal values from sulphur-containing ore materials
US6383458B1 (en) 1991-07-10 2002-05-07 Newmont Mining Corporation Biooxidation process for recovery of metal values from sulfur-containing ore materials
US6696283B1 (en) 1991-07-10 2004-02-24 Newmont Usa Limited Particulate of sulfur-containing ore materials and heap made therefrom
US5183211A (en) * 1991-09-25 1993-02-02 Nalco Chemical Company Chemical aids for wet-grinding phosphate rock
US5877247A (en) * 1992-10-05 1999-03-02 Mahar; Robert Crouse Stable magnesium hydroxide slurries
US5514357A (en) * 1993-04-15 1996-05-07 Martin Marietta Magnesia Specialties Inc. Stabilized magnesium hydroxide slurry
US5487879A (en) * 1994-07-15 1996-01-30 Martin Marietta Magnesia Specialities Inc. Stabilized, pressure-hydrated magnesium hydroxide slurry from burnt magnesite and process for its production
US5824279A (en) * 1995-01-19 1998-10-20 Martin Marietta Magnesia Specialties, Inc. Process for producing stabilized magnesium hydroxide slurries
US5624568A (en) * 1996-01-17 1997-04-29 Betzdearborn Inc. Stabilization of magnesium hydroxide slurries
US5811069A (en) * 1997-02-25 1998-09-22 Servicios Industriales Penoles, S.A. De C.V. Long term-stabilized magnesium hydroxide suspension and a process for its production
US20020028860A1 (en) * 1999-04-16 2002-03-07 E. Michael Kerr Method of modifying rheology of slurries in mineral processing
US20030141485A1 (en) * 2002-01-17 2003-07-31 Cesar-Emilio Zertuche-Rodriguez Long term-stabilized magnesium hydroxide suspension for covering iron mineral, a process for its production and application
US7931822B2 (en) * 2006-03-03 2011-04-26 Inland Environmental Resources, Inc. Compositions and methods for wastewater treatment
US9656914B2 (en) 2013-05-01 2017-05-23 Ecolab Usa Inc. Rheology modifying agents for slurries
US9410288B2 (en) 2013-08-08 2016-08-09 Ecolab Usa Inc. Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process
WO2015058236A1 (en) 2013-10-24 2015-04-30 Calix Ltd Process and apparatus for manufacture of hydroxide slurry
CA3001717A1 (en) 2015-10-15 2017-04-20 Ecolab Usa Inc. Nanocrystalline cellulose and polymer-grafted nanocrystalline cellulose as rheology modifying agents for magnesium oxide and lime slurries
WO2019018150A1 (en) 2017-07-17 2019-01-24 Ecolab USA, Inc. RHEOLOGY MODIFICATION AGENTS FOR SLURRY

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761834A (en) * 1952-06-20 1956-09-04 American Cyanamid Co Sulfonated methylol acrylamide polymers and their preparation
JPS5133520B2 (pt) * 1972-10-17 1976-09-20
US4230610A (en) * 1979-08-01 1980-10-28 Calgon Corporation Polyacrylate pigment dispersants for magnesium oxide
US4314985A (en) * 1980-02-27 1982-02-09 Amstar Corporation Recovery of magnesium as magnesium hydroxide from sea water
US4430248A (en) * 1981-06-08 1984-02-07 Calgon Corporation Cationic polymers for reduction of viscosity of a magnesium hydroxide slurry

Also Published As

Publication number Publication date
NO882117D0 (no) 1988-05-13
EP0293642A2 (en) 1988-12-07
EP0293642A3 (en) 1989-09-27
US4743396A (en) 1988-05-10
NO882117L (no) 1988-11-16
PT87398B (pt) 1992-09-30

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19920304

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19930930