JPH028963B2 - - Google Patents

Info

Publication number
JPH028963B2
JPH028963B2 JP56127280A JP12728081A JPH028963B2 JP H028963 B2 JPH028963 B2 JP H028963B2 JP 56127280 A JP56127280 A JP 56127280A JP 12728081 A JP12728081 A JP 12728081A JP H028963 B2 JPH028963 B2 JP H028963B2
Authority
JP
Japan
Prior art keywords
sulfuric acid
concentrated sulfuric
decolorization
decolorizing
purity
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
JP56127280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5832003A (ja
Inventor
Shigeru Nishama
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.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP12728081A priority Critical patent/JPS5832003A/ja
Publication of JPS5832003A publication Critical patent/JPS5832003A/ja
Publication of JPH028963B2 publication Critical patent/JPH028963B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP12728081A 1981-08-13 1981-08-13 着色濃硫酸の脱色方法 Granted JPS5832003A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12728081A JPS5832003A (ja) 1981-08-13 1981-08-13 着色濃硫酸の脱色方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12728081A JPS5832003A (ja) 1981-08-13 1981-08-13 着色濃硫酸の脱色方法

Publications (2)

Publication Number Publication Date
JPS5832003A JPS5832003A (ja) 1983-02-24
JPH028963B2 true JPH028963B2 (cs) 1990-02-28

Family

ID=14956065

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12728081A Granted JPS5832003A (ja) 1981-08-13 1981-08-13 着色濃硫酸の脱色方法

Country Status (1)

Country Link
JP (1) JPS5832003A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE464299B (sv) * 1988-11-16 1991-04-08 Boliden Contech Ab Foerfarande foer avfaergning av svavelsyra framstaelld enligt kontaktmetoden
DE3926112A1 (de) * 1989-08-08 1991-02-14 Hoechst Ag Verfahren zur wiederaufbereitung der schwefelsaeure aus der phosphor-reinigung
JP3339067B2 (ja) * 1991-12-25 2002-10-28 住友化学工業株式会社 硫酸アルミニウムの製造方法
FR2772014B1 (fr) * 1997-12-08 2000-01-07 Atochem Elf Sa Generation de trifluorure de bore et d'acide sulfurique a partir d'hydrate de trifluorure de bore
IL236365A0 (en) * 2014-12-21 2015-04-30 Melodea Ltd Recycling of acid from acid-rich aqueous solutions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935296A (cs) * 1972-08-04 1974-04-01
JPS4991985A (cs) * 1973-01-08 1974-09-03
US3856673A (en) * 1973-04-02 1974-12-24 Air Prod & Chem Purification of spent sulfuric acid

Also Published As

Publication number Publication date
JPS5832003A (ja) 1983-02-24

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