IT948591B - Metodo per rendere insolubili cromati contenuti in soluzioni di scarto contenenti cromo - Google Patents

Metodo per rendere insolubili cromati contenuti in soluzioni di scarto contenenti cromo

Info

Publication number
IT948591B
IT948591B IT4833572A IT4833572A IT948591B IT 948591 B IT948591 B IT 948591B IT 4833572 A IT4833572 A IT 4833572A IT 4833572 A IT4833572 A IT 4833572A IT 948591 B IT948591 B IT 948591B
Authority
IT
Italy
Prior art keywords
chrome
solutions containing
making
waste solutions
insolubles contained
Prior art date
Application number
IT4833572A
Other languages
English (en)
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
Priority claimed from JP647871A external-priority patent/JPS5025915B1/ja
Application filed by Nippon Denko filed Critical Nippon Denko
Application granted granted Critical
Publication of IT948591B publication Critical patent/IT948591B/it

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/22—Chromium or chromium compounds, e.g. chromates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Treatment Of Sludge (AREA)
IT4833572A 1971-02-16 1972-02-15 Metodo per rendere insolubili cromati contenuti in soluzioni di scarto contenenti cromo IT948591B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP647871A JPS5025915B1 (it) 1971-02-16 1971-02-16
JP327671 1971-12-27

Publications (1)

Publication Number Publication Date
IT948591B true IT948591B (it) 1973-06-11

Family

ID=26336821

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4833572A IT948591B (it) 1971-02-16 1972-02-15 Metodo per rendere insolubili cromati contenuti in soluzioni di scarto contenenti cromo

Country Status (2)

Country Link
GB (1) GB1371406A (it)
IT (1) IT948591B (it)

Also Published As

Publication number Publication date
GB1371406A (en) 1974-10-23

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