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ES458966A1 - Dewatering of aqueous suspensions of fine particulate solids - Google Patents

Dewatering of aqueous suspensions of fine particulate solids

Info

Publication number
ES458966A1
ES458966A1 ES458966A ES458966A ES458966A1 ES 458966 A1 ES458966 A1 ES 458966A1 ES 458966 A ES458966 A ES 458966A ES 458966 A ES458966 A ES 458966A ES 458966 A1 ES458966 A1 ES 458966A1
Authority
ES
Spain
Prior art keywords
dewatering
aqueous suspensions
fine particulate
particulate solids
suspension
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
ES458966A
Other languages
Spanish (es)
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.)
Imerys Minerals Ltd
Original Assignee
English Clays Lovering Pochin Co Ltd
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 English Clays Lovering Pochin Co Ltd filed Critical English Clays Lovering Pochin Co Ltd
Publication of ES458966A1 publication Critical patent/ES458966A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Filtration Of Liquid (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

Improvements introduced in a method of mechanical dehydration of a solid in fine particles in suspension in a liquid, characterized in that it consists of treating the suspension to be mechanically dehydrated with a small amount of a hydroxy polymer of a divalent or multivalent metal. (Machine-translation by Google Translate, not legally binding)
ES458966A 1976-05-21 1977-05-19 Dewatering of aqueous suspensions of fine particulate solids Expired ES458966A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21216/76A GB1572351A (en) 1976-05-21 1976-05-21 Dewatering of aqueous suspensions of fine particulate solids

Publications (1)

Publication Number Publication Date
ES458966A1 true ES458966A1 (en) 1978-02-16

Family

ID=10159141

Family Applications (1)

Application Number Title Priority Date Filing Date
ES458966A Expired ES458966A1 (en) 1976-05-21 1977-05-19 Dewatering of aqueous suspensions of fine particulate solids

Country Status (7)

Country Link
JP (1) JPS6013726B2 (en)
AU (1) AU507341B2 (en)
DE (1) DE2722913A1 (en)
ES (1) ES458966A1 (en)
FR (1) FR2351689A1 (en)
GB (1) GB1572351A (en)
ZA (1) ZA772802B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2104504B (en) * 1981-07-16 1985-05-09 English Clays Lovering Pochin Stabilisation of photochromic fulgides and fulgimides

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1379343A (en) * 1964-01-02 1964-11-20 Beteiligungs & Patentverw Gmbh Fine sludge dewatering process
DE1642850A1 (en) * 1967-05-16 1971-03-11 Metallgesellschaft Ag Process for dewatering organic sludge by centrifugation
DE1965734A1 (en) * 1969-12-31 1971-07-08 Degussa Peat as filtering aid in clearing sludge - dehydration
NL7214504A (en) * 1972-10-26 1974-05-01
GB1428846A (en) * 1973-03-30 1976-03-17 English Clays Lovering Pochin Separation of fine solids and liquids

Also Published As

Publication number Publication date
AU2524677A (en) 1978-11-23
FR2351689A1 (en) 1977-12-16
JPS6013726B2 (en) 1985-04-09
JPS537588A (en) 1978-01-24
GB1572351A (en) 1980-07-30
AU507341B2 (en) 1980-02-14
ZA772802B (en) 1978-04-26
DE2722913A1 (en) 1977-12-01

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