GB2012739B - Chromic oxide production - Google Patents

Chromic oxide production

Info

Publication number
GB2012739B
GB2012739B GB79204A GB7900204A GB2012739B GB 2012739 B GB2012739 B GB 2012739B GB 79204 A GB79204 A GB 79204A GB 7900204 A GB7900204 A GB 7900204A GB 2012739 B GB2012739 B GB 2012739B
Authority
GB
United Kingdom
Prior art keywords
oxide production
chromic oxide
chromic
production
oxide
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
GB79204A
Other versions
GB2012739A (en
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 and Chemicals Ltd
Original Assignee
British Chrome and Chemicals 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 British Chrome and Chemicals Ltd filed Critical British Chrome and Chemicals Ltd
Priority to GB79204A priority Critical patent/GB2012739B/en
Publication of GB2012739A publication Critical patent/GB2012739A/en
Application granted granted Critical
Publication of GB2012739B publication Critical patent/GB2012739B/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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • 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
    • 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
GB79204A 1978-01-17 1979-01-04 Chromic oxide production Expired GB2012739B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB79204A GB2012739B (en) 1978-01-17 1979-01-04 Chromic oxide production

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB174978 1978-01-17
GB79204A GB2012739B (en) 1978-01-17 1979-01-04 Chromic oxide production

Publications (2)

Publication Number Publication Date
GB2012739A GB2012739A (en) 1979-08-01
GB2012739B true GB2012739B (en) 1982-09-29

Family

ID=26236953

Family Applications (1)

Application Number Title Priority Date Filing Date
GB79204A Expired GB2012739B (en) 1978-01-17 1979-01-04 Chromic oxide production

Country Status (1)

Country Link
GB (1) GB2012739B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3260834D1 (en) * 1981-06-24 1984-10-31 Pfizer Preparation of pigment grade chromium oxide
DE69616788T2 (en) 1995-06-08 2002-07-04 Du Pont METHOD FOR TREATING CHROMOXIDE AND CATALYTICALLY PRODUCING VINYL FLUORIDE
CN110980807B (en) * 2019-12-26 2022-07-08 四川省银河化学股份有限公司 Method for producing chromium green by adopting basic chromium sulfate
CN113620318B (en) * 2021-07-31 2022-10-25 华南理工大学 Method for treating chromium-containing mirabilite waste salt by chlorination process
CN114212821A (en) * 2022-01-07 2022-03-22 重庆民丰化工有限责任公司 Method for producing chromium green by using chromic anhydride by-product
CN114436331A (en) * 2022-03-17 2022-05-06 衡水友谊新材料科技有限公司 Preparation method of chromium oxide green pigment with ultra-light, bright green and low hexavalent chromium content

Also Published As

Publication number Publication date
GB2012739A (en) 1979-08-01

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990103