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RU93008224A - A METHOD OF OBTAINING RED IRON-PALMETIC PIGMENT - Google Patents

A METHOD OF OBTAINING RED IRON-PALMETIC PIGMENT

Info

Publication number
RU93008224A
RU93008224A RU93008224/26A RU93008224A RU93008224A RU 93008224 A RU93008224 A RU 93008224A RU 93008224/26 A RU93008224/26 A RU 93008224/26A RU 93008224 A RU93008224 A RU 93008224A RU 93008224 A RU93008224 A RU 93008224A
Authority
RU
Russia
Prior art keywords
pigment
palmetic
red iron
obtaining red
iron
Prior art date
Application number
RU93008224/26A
Other languages
Russian (ru)
Other versions
RU2061008C1 (en
Inventor
А.М. Завьялов
Т.В. Солодовникова
В.А. Долганов
Original Assignee
А.М. Завьялов
Т.В. Солодовникова
В.А. Долганов
Filing date
Publication date
Application filed by А.М. Завьялов, Т.В. Солодовникова, В.А. Долганов filed Critical А.М. Завьялов
Priority to RU93008224A priority Critical patent/RU2061008C1/en
Priority claimed from RU93008224A external-priority patent/RU2061008C1/en
Publication of RU93008224A publication Critical patent/RU93008224A/en
Application granted granted Critical
Publication of RU2061008C1 publication Critical patent/RU2061008C1/en

Links

Claims (1)

Способ получения красного железокальциевого пигмента из отработанных растворов травления железа, содержащих железный купорос и серную кислоту, которые нейтрализуют известью до pH = 6,0 - 7,0 при продувании кислорода воздуха, полученный осадок фильтруют, промывают водой в течение 3 - 3,5 ч и прокаливают при 750 - 800oС в течение 1 ч.The method of obtaining red iron-calcium pigment from spent solutions of iron etching containing iron sulphate and sulfuric acid, which are neutralized with lime to pH = 6.0 - 7.0 by blowing oxygen, the resulting precipitate is filtered, washed with water for 3 - 3.5 hours and calcined at 750 - 800 o C for 1 h.
RU93008224A 1993-02-12 1993-02-12 Method for production of red ferrous-calcium pigment RU2061008C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93008224A RU2061008C1 (en) 1993-02-12 1993-02-12 Method for production of red ferrous-calcium pigment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93008224A RU2061008C1 (en) 1993-02-12 1993-02-12 Method for production of red ferrous-calcium pigment

Publications (2)

Publication Number Publication Date
RU93008224A true RU93008224A (en) 1996-05-10
RU2061008C1 RU2061008C1 (en) 1996-05-27

Family

ID=20137192

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93008224A RU2061008C1 (en) 1993-02-12 1993-02-12 Method for production of red ferrous-calcium pigment

Country Status (1)

Country Link
RU (1) RU2061008C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2451706C1 (en) * 2010-10-21 2012-05-27 Государственное образовательное учреждение высшего профессионального образования "Башкирский государственный университет" (ГОУ ВПО БашГУ) Method of producing iron-calcium pigment

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