SU688426A1 - Method of purification of spent sulfuric acid from organic impurities - Google Patents

Method of purification of spent sulfuric acid from organic impurities

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Publication number
SU688426A1
SU688426A1 SU782601668A SU2601668A SU688426A1 SU 688426 A1 SU688426 A1 SU 688426A1 SU 782601668 A SU782601668 A SU 782601668A SU 2601668 A SU2601668 A SU 2601668A SU 688426 A1 SU688426 A1 SU 688426A1
Authority
SU
USSR - Soviet Union
Prior art keywords
purification
sulfuric acid
organic impurities
spent sulfuric
spent
Prior art date
Application number
SU782601668A
Other languages
Russian (ru)
Inventor
Анатолий Матвеевич Межерицкий
Ольга Ивановна Пастухова
Людмила Александровна Федотова
Людмила Семеновна Тененева
Original Assignee
Предприятие П/Я В-2318
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 Предприятие П/Я В-2318 filed Critical Предприятие П/Я В-2318
Priority to SU782601668A priority Critical patent/SU688426A1/en
Application granted granted Critical
Publication of SU688426A1 publication Critical patent/SU688426A1/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

3 3.Способ по п. 1, отличающийс  тем, что натриевую соль ввод т в предварительную сконцентрированную до 50-70% серную кислоту. 4.Способ по п. 1, отличающийс  тем,5 что очистку целевого продукта ведут при 120-140°С. 4 Источники информации, прин тые во внимание при экспертизе 1- Авторское свидетельство СССР № 552290, кл. С 01В 17/90, 1975. 2. Патент Франции № 2223303, кл. С 01В 17/90, 1974.3 3. A method according to claim 1, characterized in that the sodium salt is introduced into a preliminary concentrated sulfuric acid of 50-70%. 4. A method according to claim 1, characterized in that 5 that the purification of the target product is carried out at 120-140 ° C. 4 Sources of information taken into account in the examination of 1- USSR Copyright Certificate No. 552290, cl. From 01B to 17/90, 1975. 2. Patent of France No. 2223303, cl. From 01B to 17/90, 1974.

SU782601668A 1978-04-07 1978-04-07 Method of purification of spent sulfuric acid from organic impurities SU688426A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU782601668A SU688426A1 (en) 1978-04-07 1978-04-07 Method of purification of spent sulfuric acid from organic impurities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU782601668A SU688426A1 (en) 1978-04-07 1978-04-07 Method of purification of spent sulfuric acid from organic impurities

Publications (1)

Publication Number Publication Date
SU688426A1 true SU688426A1 (en) 1979-09-30

Family

ID=20758460

Family Applications (1)

Application Number Title Priority Date Filing Date
SU782601668A SU688426A1 (en) 1978-04-07 1978-04-07 Method of purification of spent sulfuric acid from organic impurities

Country Status (1)

Country Link
SU (1) SU688426A1 (en)

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