GB1544517A - Process for treating an inorganic acid or acid anhydride - Google Patents

Process for treating an inorganic acid or acid anhydride

Info

Publication number: GB1544517A
Authority: GB; United Kingdom
Prior art keywords: acid; treating; acid anhydride; inorganic; inorganic acid
Prior art date: 1975-09-22
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

GB3928976A

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.)

Hoechst AG

Original Assignee

Hoechst AG

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.)

1975-09-22

Filing date

1976-09-22

Publication date

1979-04-19

1976-09-22 Application filed by Hoechst AG filed Critical Hoechst AG

1979-04-19 Publication of GB1544517A publication Critical patent/GB1544517A/en

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/093—Hydrogen bromide
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Gas Separation By Absorption (AREA)
Treating Waste Gases (AREA)

GB3928976A 1975-09-22 1976-09-22 Process for treating an inorganic acid or acid anhydride Expired GB1544517A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752542127 DE2542127A1 (en)	1975-09-22	1975-09-22	PROCESS FOR PREPARING SULFUR-FREE MINERAL ACID

Publications (1)

Publication Number	Publication Date
GB1544517A true GB1544517A (en)	1979-04-19

Family

ID=5957058

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB3928976A Expired GB1544517A (en)	1975-09-22	1976-09-22	Process for treating an inorganic acid or acid anhydride

Country Status (5)

Country	Link
BE (1)	BE846430A (en)
DE (1)	DE2542127A1 (en)
FR (1)	FR2324571A1 (en)
GB (1)	GB1544517A (en)
IT (1)	IT1068527B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101823694A (en) *	2010-05-06	2010-09-08	杭州四面体科技有限公司	Processing method for purifying sulfur-containing chlorine hydride
CN110898618A (en) *	2019-12-23	2020-03-24	胡昌彬	A kind of separation system of hydrogen chloride and sulfur dioxide mixed gas and separation method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR635339A (en) *	1926-05-31	1928-03-13	Rhenania Kunheim Ver Chemische	Process for the separate extraction of sulfurous and hydrochloric acids
US2459438A (en) *	1945-08-23	1949-01-18	Harshaw Chem Corp	Manufacture of hydrofluoric acid
NL86470C (en) *	1952-02-06
US2813000A (en) *	1954-03-31	1957-11-12	Aluminium Lab Ltd	Removal of hydrogen fluoride from gases
FR1313784A (en) *	1960-09-20	1963-01-04	Hoechst Ag	Method and control installation for concentrating hydrochloric acid solutions obtained from hydrochloric gas
CH391671A (en) *	1961-03-22	1965-05-15	Buss Ag	Process for cleaning technical hydrofluoric acid
NL280802A (en) *	1961-07-11
FR1328682A (en) *	1961-07-11	1963-05-31	Hoechst Ag	Aqueous hydrochloric acid purification process
DE1792465A1 (en) *	1968-09-05	1971-11-18	Kali Chemie Ag	Process for removing small amounts of fluorine and / or chlorine-containing methane or ethane derivatives from hydrochloric acid

1975
- 1975-09-22 DE DE19752542127 patent/DE2542127A1/en active Granted
1976
- 1976-09-20 IT IT2741276A patent/IT1068527B/en active
- 1976-09-22 FR FR7628475A patent/FR2324571A1/en active Granted
- 1976-09-22 BE BE170808A patent/BE846430A/en not_active IP Right Cessation
- 1976-09-22 GB GB3928976A patent/GB1544517A/en not_active Expired

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101823694A (en) *	2010-05-06	2010-09-08	杭州四面体科技有限公司	Processing method for purifying sulfur-containing chlorine hydride
CN110898618A (en) *	2019-12-23	2020-03-24	胡昌彬	A kind of separation system of hydrogen chloride and sulfur dioxide mixed gas and separation method thereof
CN110898618B (en) *	2019-12-23	2025-02-11	胡昌彬	A separation system and separation method for hydrogen chloride and sulfur dioxide mixed gas

Also Published As

Publication number	Publication date
IT1068527B (en)	1985-03-21
FR2324571B1 (en)	1980-03-21
BE846430A (en)	1977-03-22
DE2542127C2 (en)	1987-10-15
FR2324571A1 (en)	1977-04-15
DE2542127A1 (en)	1977-03-31

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Legal Events

Date	Code	Title	Description
1979-07-04	PS	Patent sealed
1991-05-22	PCNP	Patent ceased through non-payment of renewal fee