BE878424A - Recuperation de granules metalliques a partir de boues de traitement - Google Patents

Recuperation de granules metalliques a partir de boues de traitement

Info

Publication number
BE878424A
BE878424A BE0/196879A BE196879A BE878424A BE 878424 A BE878424 A BE 878424A BE 0/196879 A BE0/196879 A BE 0/196879A BE 196879 A BE196879 A BE 196879A BE 878424 A BE878424 A BE 878424A
Authority
BE
Belgium
Prior art keywords
recovery
metal granules
process sludge
sludge
granules
Prior art date
Application number
BE0/196879A
Other languages
English (en)
Inventor
B Parekh
W Goldberger
B Faulkner
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 BE878424A publication Critical patent/BE878424A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/10—Making spheroidal graphite cast-iron
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/005—Preliminary treatment of scrap
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04—Working-up slag
    • 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)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
BE0/196879A 1978-08-25 1979-08-24 Recuperation de granules metalliques a partir de boues de traitement BE878424A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/936,979 US4182498A (en) 1978-08-25 1978-08-25 Recovery of round metal granules from process sludge

Publications (1)

Publication Number Publication Date
BE878424A true BE878424A (fr) 1980-02-25

Family

ID=25469300

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/196879A BE878424A (fr) 1978-08-25 1979-08-24 Recuperation de granules metalliques a partir de boues de traitement

Country Status (11)

Country Link
US (1) US4182498A (fr)
JP (1) JPS5544595A (fr)
AU (1) AU517601B2 (fr)
BE (1) BE878424A (fr)
BR (1) BR7905425A (fr)
CA (1) CA1127610A (fr)
DE (1) DE2933993C2 (fr)
FR (1) FR2434205A1 (fr)
GB (1) GB2029275B (fr)
IT (1) IT1206980B (fr)
NO (1) NO156400B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293099A (en) * 1979-07-02 1981-10-06 Silag, Inc. Recovery of silicon carbide whiskers from coked, converted rice hulls by froth flotation
NO148061C (no) * 1981-02-05 1986-05-13 Norsk Hydro As Fremgangsmaate for fremstilling av saltbelagte metallpartikler.
US4359344A (en) * 1981-10-16 1982-11-16 The Dow Chemical Company Salt removal from Mg granules
FR3017872B1 (fr) * 2014-02-21 2016-05-20 Coatex Sas Utilisation de copolymeres de styrene et d'anhydride maleique pour preparer des particules de matiere minerale
CN116475366B (zh) * 2023-06-26 2023-08-22 华翔(洪洞)智能科技有限公司 随流孕育剂收集装置及收集方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1976974A (en) * 1931-01-22 1934-10-16 Pulvis Ag Apparatus for and method of refining finely divided material
US2327153A (en) * 1942-07-02 1943-08-17 Dow Chemical Co Recovery of magnesium from halide fluxes
US3661737A (en) * 1969-10-29 1972-05-09 Kaiser Aluminium Chem Corp Recovery of valuable components from magnesium cell sludge
US3881913A (en) * 1974-02-19 1975-05-06 Ivan Andreevich Barannik Method of producing granules of magnesium and its alloys
DE2615599C3 (de) * 1975-04-07 1979-07-12 Societa Mineraria E Metallurgica Di Pertusola S.P.A., Rom Verfahren und Vorrichtung zur Herstellung von Metallpulvern
FR2306751A1 (fr) * 1975-04-07 1976-11-05 Mineraria Metallurg Pertusola Procede et appareillage pour la production de granules metalliques a partir de crasses de fusion

Also Published As

Publication number Publication date
GB2029275B (en) 1982-07-07
CA1127610A (fr) 1982-07-13
FR2434205B1 (fr) 1981-12-11
AU5026979A (en) 1980-02-28
US4182498A (en) 1980-01-08
IT7950100A0 (it) 1979-08-24
JPS5544595A (en) 1980-03-28
AU517601B2 (en) 1981-08-13
DE2933993C2 (de) 1984-01-19
BR7905425A (pt) 1980-05-13
IT1206980B (it) 1989-05-17
DE2933993A1 (de) 1980-03-20
GB2029275A (en) 1980-03-19
JPS6120614B2 (fr) 1986-05-23
FR2434205A1 (fr) 1980-03-21
NO156400B (no) 1987-06-09
NO792752L (no) 1980-02-26

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: THE DOW CHEMICAL CY

Effective date: 19900831