ZA72975B - A method for insolubilizing water soluble chromate in chrome waste residue - Google Patents

A method for insolubilizing water soluble chromate in chrome waste residue

Info

Publication number
ZA72975B
ZA72975B ZA720975A ZA72975A ZA72975B ZA 72975 B ZA72975 B ZA 72975B ZA 720975 A ZA720975 A ZA 720975A ZA 72975 A ZA72975 A ZA 72975A ZA 72975 B ZA72975 B ZA 72975B
Authority
ZA
South Africa
Prior art keywords
water soluble
waste residue
soluble chromate
chrome waste
insolubilizing
Prior art date
Application number
ZA720975A
Other languages
English (en)
Inventor
S Adachi
Original Assignee
Nippon Denko
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 Nippon Denko filed Critical Nippon Denko
Publication of ZA72975B publication Critical patent/ZA72975B/xx

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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal
    • Y10S210/913—Chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Processing Of Solid Wastes (AREA)
ZA720975A 1971-02-16 1972-02-15 A method for insolubilizing water soluble chromate in chrome waste residue ZA72975B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP647871A JPS5025915B1 (de) 1971-02-16 1971-02-16

Publications (1)

Publication Number Publication Date
ZA72975B true ZA72975B (en) 1972-11-29

Family

ID=11639567

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA720975A ZA72975B (en) 1971-02-16 1972-02-15 A method for insolubilizing water soluble chromate in chrome waste residue

Country Status (3)

Country Link
US (1) US3803032A (de)
JP (1) JPS5025915B1 (de)
ZA (1) ZA72975B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1055953B (it) * 1976-02-24 1982-01-11 Stoppani P & Co Procedimento di decontaminazione di materiale di scarto proveniente dalla lavorazione di minerali di cromo mediante trattamento conzolfo per via umida
US4312761A (en) * 1980-05-28 1982-01-26 Zimpro-Aec Ltd. Treatment of clay slimes
JP3190292B2 (ja) * 1997-10-29 2001-07-23 日英ハードクローム工業株式会社 クロムめっきにおける不純物回収電気分解槽に沈殿したスラッジの無害化方法
JP4100562B2 (ja) * 2003-06-13 2008-06-11 日本化学工業株式会社 スピネル系複合酸化物焼成体およびその製造方法
CN102249330B (zh) * 2011-04-28 2013-02-06 武汉纺织大学 一种工业化消除铬渣有毒成分的方法
US9725364B2 (en) * 2012-07-06 2017-08-08 Lanxess Deutschland Gmbh Method for reducing hexavalent chromium in oxidic solids
CN105694987B (zh) * 2016-01-19 2019-05-24 青岛理工大学 一种利用生物质制备能源气同时无害化铬渣的方法
CN105542813B (zh) * 2016-01-19 2019-08-20 青岛理工大学 一种生物质资源化及铬渣无害化同步方法
WO2017162013A1 (zh) * 2016-03-25 2017-09-28 大连理工大学 一种离子阻控吸附剂制备与应用方法

Also Published As

Publication number Publication date
US3803032A (en) 1974-04-09
JPS5025915B1 (de) 1975-08-27

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