DE2901736C2 - - Google Patents

Info

Publication number
DE2901736C2
DE2901736C2 DE2901736A DE2901736A DE2901736C2 DE 2901736 C2 DE2901736 C2 DE 2901736C2 DE 2901736 A DE2901736 A DE 2901736A DE 2901736 A DE2901736 A DE 2901736A DE 2901736 C2 DE2901736 C2 DE 2901736C2
Authority
DE
Germany
Prior art keywords
chromium
iii
oxide
water
calcination
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 - Lifetime
Application number
DE2901736A
Other languages
German (de)
English (en)
Other versions
DE2901736A1 (de
Inventor
Danvers Allin Blackwell Darlington Co.Durham Gb Swales
Michael Annesley Hurworth Darlington Co.Durham Gb Marshall
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.)
British Chrome & Chemicals Ltd Stockton-On-Tees Cleveland Gb
Original Assignee
British Chrome & Chemicals Ltd Stockton-On-Tees Cleveland Gb
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 British Chrome & Chemicals Ltd Stockton-On-Tees Cleveland Gb filed Critical British Chrome & Chemicals Ltd Stockton-On-Tees Cleveland Gb
Publication of DE2901736A1 publication Critical patent/DE2901736A1/de
Application granted granted Critical
Publication of DE2901736C2 publication Critical patent/DE2901736C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/34—Compounds of chromium
    • C09C1/346—Chromium oxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
    • C09C3/043—Drying, calcination
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
DE19792901736 1978-01-17 1979-01-17 Verfahren zur herstellung von chromoxid mit niedrigem schwefelgehalt Granted DE2901736A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB174978 1978-01-17
GB593578 1978-02-15

Publications (2)

Publication Number Publication Date
DE2901736A1 DE2901736A1 (de) 1979-07-19
DE2901736C2 true DE2901736C2 (sv) 1992-09-03

Family

ID=26236952

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792901736 Granted DE2901736A1 (de) 1978-01-17 1979-01-17 Verfahren zur herstellung von chromoxid mit niedrigem schwefelgehalt

Country Status (5)

Country Link
JP (1) JPS54112397A (sv)
DE (1) DE2901736A1 (sv)
FR (1) FR2414477B1 (sv)
IT (1) IT1118297B (sv)
NL (1) NL7900261A (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH048006U (sv) * 1990-05-09 1992-01-24
JP2007089908A (ja) * 2005-09-29 2007-04-12 Miura Co Ltd 非常時用滅菌装置
CN104341005A (zh) 2009-12-22 2015-02-11 朗盛德国有限责任公司 用于制备氧化铬(iii)的方法
JP6285782B2 (ja) * 2014-04-09 2018-02-28 日本化学工業株式会社 亜クロム酸ナトリウムの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2209907A (en) * 1938-06-29 1940-07-30 Mutual Chemical Company Of Ame Manufacture of pigments
GB962193A (en) * 1961-10-23 1964-07-01 Pittsburgh Plate Glass Co Production of chromic oxide
JPS5015240A (sv) * 1973-05-11 1975-02-18
US4040860A (en) * 1975-07-09 1977-08-09 Bayer Aktiengesellschaft Chromium oxide pigment from sodium chromate dihydrate plus ammonium salt
DE2635086C3 (de) * 1976-08-04 1980-11-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von schwefelarmen Chrom(III)oxid

Also Published As

Publication number Publication date
DE2901736A1 (de) 1979-07-19
FR2414477B1 (fr) 1985-12-20
IT1118297B (it) 1986-02-24
NL7900261A (nl) 1979-07-19
IT7967086A0 (it) 1979-01-16
FR2414477A1 (fr) 1979-08-10
JPS6250410B2 (sv) 1987-10-24
JPS54112397A (en) 1979-09-03

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition