GB290421A - A process for the manufacture of a red oxide of iron, suitable for use as a pigment - Google Patents

A process for the manufacture of a red oxide of iron, suitable for use as a pigment

Info

Publication number
GB290421A
GB290421A GB976927A GB976927A GB290421A GB 290421 A GB290421 A GB 290421A GB 976927 A GB976927 A GB 976927A GB 976927 A GB976927 A GB 976927A GB 290421 A GB290421 A GB 290421A
Authority
GB
United Kingdom
Prior art keywords
manganese dioxide
solution
iron
pigment
ferric 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
GB976927A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB976927A priority Critical patent/GB290421A/en
Publication of GB290421A publication Critical patent/GB290421A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/02Oxides; Hydroxides
    • C01G49/06Ferric oxide [Fe2O3]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Iron (AREA)

Abstract

290,421. Storer, T., and Taylor, C. J. A. April 9, 1927. Ferric oxide.-A solution of a ferrous salt which has been added a non-gaseous oxidizing agent such as manganese dioxide, with or without the addition of lime or calcium carbonate, is subjected to heat and pressure, the precipitated ferric oxide after washing and drying being suitable for use as a pigment. Galvanizers' or Enamellers' waste liquors neutralized by the addition of scrap iron may be employed in the process, which may be carried out in a steel an@- clave fitted with an inner vessel of acid-resisting fireclay or in an iron autoclave lined with acidresisting enamel. In an example the reaction is effected at 300‹ F. in a closed glass tube. The solution of manganese chloride obtained may be treated for recovery of manganese dioxide for further use in the process. In a modification the ferrous salt solution and manganese dioxide are allowed to react at normal temperature, the separated precipitate being then heated under pressure.
GB976927A 1927-04-09 1927-04-09 A process for the manufacture of a red oxide of iron, suitable for use as a pigment Expired GB290421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB976927A GB290421A (en) 1927-04-09 1927-04-09 A process for the manufacture of a red oxide of iron, suitable for use as a pigment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB976927A GB290421A (en) 1927-04-09 1927-04-09 A process for the manufacture of a red oxide of iron, suitable for use as a pigment

Publications (1)

Publication Number Publication Date
GB290421A true GB290421A (en) 1928-05-17

Family

ID=9878420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB976927A Expired GB290421A (en) 1927-04-09 1927-04-09 A process for the manufacture of a red oxide of iron, suitable for use as a pigment

Country Status (1)

Country Link
GB (1) GB290421A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009821A (en) * 1957-03-05 1961-11-21 C K Williams & Co Red oxide of iron
US3549321A (en) * 1968-04-25 1970-12-22 Union Carbide Canada Ltd Removal of iron from solution

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009821A (en) * 1957-03-05 1961-11-21 C K Williams & Co Red oxide of iron
US3549321A (en) * 1968-04-25 1970-12-22 Union Carbide Canada Ltd Removal of iron from solution

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