JPS542269A - Treating method for waste chromic acid - Google Patents

Treating method for waste chromic acid

Info

Publication number
JPS542269A
JPS542269A JP6727777A JP6727777A JPS542269A JP S542269 A JPS542269 A JP S542269A JP 6727777 A JP6727777 A JP 6727777A JP 6727777 A JP6727777 A JP 6727777A JP S542269 A JPS542269 A JP S542269A
Authority
JP
Japan
Prior art keywords
chromic acid
treating method
waste
waste chromic
grocess
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.)
Granted
Application number
JP6727777A
Other languages
Japanese (ja)
Other versions
JPS581048B2 (en
Inventor
Seiji Takazawa
Masahiro Yoshida
Sakae Iizuka
Nobuo Takagi
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.)
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co 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 Nippon Chemical Industrial Co Ltd filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP6727777A priority Critical patent/JPS581048B2/en
Publication of JPS542269A publication Critical patent/JPS542269A/en
Publication of JPS581048B2 publication Critical patent/JPS581048B2/en
Expired legal-status Critical Current

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  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

PURPOSE: To recover chromium (VI) rationally by the treatment of waste chromic acid contg. heavy metals of fluorine cpds. in the leaching step of sodium chromate manufacturing grocess so as to separate inpurities.
COPYRIGHT: (C)1979,JPO&Japio
JP6727777A 1977-06-09 1977-06-09 Processing method for chromium waste acid Expired JPS581048B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6727777A JPS581048B2 (en) 1977-06-09 1977-06-09 Processing method for chromium waste acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6727777A JPS581048B2 (en) 1977-06-09 1977-06-09 Processing method for chromium waste acid

Publications (2)

Publication Number Publication Date
JPS542269A true JPS542269A (en) 1979-01-09
JPS581048B2 JPS581048B2 (en) 1983-01-10

Family

ID=13340302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6727777A Expired JPS581048B2 (en) 1977-06-09 1977-06-09 Processing method for chromium waste acid

Country Status (1)

Country Link
JP (1) JPS581048B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56112482U (en) * 1980-01-31 1981-08-31
CN103449522A (en) * 2012-06-01 2013-12-18 中国科学院过程工程研究所 Method for producing chromates through using chromium-containing waste residues

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56112482U (en) * 1980-01-31 1981-08-31
JPS6126781Y2 (en) * 1980-01-31 1986-08-11
CN103449522A (en) * 2012-06-01 2013-12-18 中国科学院过程工程研究所 Method for producing chromates through using chromium-containing waste residues
CN103449522B (en) * 2012-06-01 2016-03-09 中国科学院过程工程研究所 A kind of chromium residue produces the method for chromic salt

Also Published As

Publication number Publication date
JPS581048B2 (en) 1983-01-10

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