FR2233280A1 - - Google Patents

Info

Publication number: FR2233280A1
Authority: FR; France
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

FR7420702A

Other versions

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

Farbwerke 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.)

1973-06-14

Filing date

1974-06-14

Publication date

1975-01-10

1974-06-14 Application filed by Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG

1975-01-10 Publication of FR2233280A1 publication Critical patent/FR2233280A1/fr

1977-10-07 Application granted granted Critical

1977-10-07 Publication of FR2233280B1 publication Critical patent/FR2233280B1/fr

Status Expired legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/88—Concentration of sulfuric acid

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

FR7420702A 1973-06-14 1974-06-14 Expired FR2233280B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2330281A DE2330281A1 (de)	1973-06-14	1973-06-14	Verfahren zur regenerierung von schwefelsaeure

Publications (2)

Publication Number	Publication Date
FR2233280A1 true FR2233280A1 (fr)	1975-01-10
FR2233280B1 FR2233280B1 (fr)	1977-10-07

Family

ID=5883985

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7420702A Expired FR2233280B1 (fr)	1973-06-14	1974-06-14

Country Status (11)

Country	Link
US (1)	US4010240A (fr)
JP (1)	JPS5035094A (fr)
BE (1)	BE816367A (fr)
BR (1)	BR7404850D0 (fr)
CH (1)	CH601102A5 (fr)
DE (1)	DE2330281A1 (fr)
DK (1)	DK317774A (fr)
FR (1)	FR2233280B1 (fr)
GB (1)	GB1479763A (fr)
IN (1)	IN144570B (fr)
IT (1)	IT1015054B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2348149A1 (fr) *	1976-04-15	1977-11-10	Hoechst Ag	Procede de regeneration d'acide sulfurique residuaire
FR2371380A1 (fr) *	1976-11-23	1978-06-16	Hoechst Ag	Procede de regeneration d'acide sulfurique residuaire
FR2373488A1 (fr) *	1976-12-11	1978-07-07	Hoechst Ag	Procede de regeneration de l'acide sulfurique use

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2632989A1 (de) *	1976-07-22	1978-02-02	Hoechst Ag	Verfahren zum regenerieren von schwefelsaeure
US4154791A (en) *	1977-12-27	1979-05-15	Allied Chemical Corporation	Inhibition of corrosive attack by sulfuric acid on carbon steel
US4197139A (en) *	1978-08-23	1980-04-08	Hjersted Norman B	Process for the reclamation of acid from spent pickle liquor
DE2928598C2 (de) *	1979-07-14	1984-01-19	Hoechst Ag, 6230 Frankfurt	Verfahren zur Reinigung fluoridhaltiger Abfallschwefelsäure
US4828660A (en) *	1986-10-06	1989-05-09	Athens Corporation	Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids
US5114699A (en) *	1989-04-12	1992-05-19	Freeport-Mcmoran Resource Partners	Spent alkylation acid treatment process
US5840436A (en) *	1992-06-08	1998-11-24	Ngk Insulators, Ltd.	Spalling-resistant, creep-resistant and oxidation-resistant setters
US7825082B2 (en)	2008-07-11	2010-11-02	S&B Worldwide Corporation	Highly protonated, supercharged, low pH, non-corrosive composition

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1074019B (de) *		1960-01-28	Carl Buschm^ Hamburg Bergedorf Willy	Verfahren zur Reinigung und Konzentration von Ab fallschwefelsaure
US3294650A (en) *	1962-08-13	1966-12-27	Heraeus Schott Quarzschmelze	Process for concentrating sulfuric acid in a quartz rectifying column

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE299774C (fr) *
US1545498A (en) *	1924-05-16	1925-07-14	Chemical Products Corp	Method of cleaning steel and imparting rust-inhibitive properties thereto and solution therefor
US1795995A (en) *	1927-06-17	1931-03-10	Busching Willi	Process for the high concentration of impure sulphuric acid treated preliminarily in a dephlegmator
DE651048C (de) *	1933-05-31	1937-10-06	E H Harry Pauling Dipl Ing Dr	Verfahren zur Denitrierung nitroser Schwefelsaeure
US2049517A (en) *	1934-06-06	1936-08-04	American Chem Paint Co	Method of and material for inhibiting or retarding acid corrosion of ferrous metals
US2078088A (en) *	1935-11-22	1937-04-20	Mantius	Process of recovering sulphuric acid from sulphuric acid solutions of sulphates
US2134909A (en) *	1936-01-14	1938-11-01	Nooij Jan Cornelis De	Process for regenerating waste sulphuric acid by oxidizing impurities
US2313910A (en) *	1940-03-16	1943-03-16	Standard Oil Dev Co	Purification of recovered sulphuric acid
DK66665C (da) *	1942-05-01	1948-04-26	Harry Pauling	Kedel til Koncentrering af Vædsker, især Syrer med højt Kogepunkt, f. Eks. Svovlsyre.
US2513131A (en) *	1944-11-27	1950-06-27	Standard Oil Dev Co	Method of inhibiting the corrosive effect of sulfuric acid
US2837474A (en) *	1954-04-07	1958-06-03	Groves H Cartledge	Corrosion inhibition
US2863780A (en) *	1957-03-04	1958-12-09	West Virginia Pulp & Paper Co	Inhibition of corrosion of iron in acids
US2981643A (en) *	1958-02-19	1961-04-25	Russell D Baybarz	Process for descaling and decontaminating metals
US3022133A (en) *	1959-04-23	1962-02-20	Hagan Chemicals & Controls Inc	Methods of inhibiting the pitting of iron and steel
DE1143492B (de) *	1959-08-13	1963-02-14	Kestner App Evaporateurs	Verfahren zur stufenweisen Konzentration von Schwefelsaeure
US3415754A (en) *	1966-02-28	1968-12-10	Dow Chemical Co	Corrosion inhibitors
US3713786A (en) *	1971-12-06	1973-01-30	New Jersey Zinc Co	Evaporative sulfuric acid recovery from sulfuric acids containing sulfates

1973
- 1973-06-14 DE DE2330281A patent/DE2330281A1/de active Pending
1974
- 1974-06-04 IN IN1213/CAL/74A patent/IN144570B/en unknown
- 1974-06-11 CH CH797174A patent/CH601102A5/xx not_active IP Right Cessation
- 1974-06-12 JP JP49066123A patent/JPS5035094A/ja active Pending
- 1974-06-12 BR BR4850/74A patent/BR7404850D0/pt unknown
- 1974-06-12 IT IT23961/74A patent/IT1015054B/it active
- 1974-06-12 US US05/478,631 patent/US4010240A/en not_active Expired - Lifetime
- 1974-06-13 GB GB26266/74A patent/GB1479763A/en not_active Expired
- 1974-06-13 DK DK317774A patent/DK317774A/da not_active Application Discontinuation
- 1974-06-14 BE BE145452A patent/BE816367A/fr unknown
- 1974-06-14 FR FR7420702A patent/FR2233280B1/fr not_active Expired

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1074019B (de) *		1960-01-28	Carl Buschm^ Hamburg Bergedorf Willy	Verfahren zur Reinigung und Konzentration von Ab fallschwefelsaure
US3294650A (en) *	1962-08-13	1966-12-27	Heraeus Schott Quarzschmelze	Process for concentrating sulfuric acid in a quartz rectifying column

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2348149A1 (fr) *	1976-04-15	1977-11-10	Hoechst Ag	Procede de regeneration d'acide sulfurique residuaire
FR2371380A1 (fr) *	1976-11-23	1978-06-16	Hoechst Ag	Procede de regeneration d'acide sulfurique residuaire
FR2373488A1 (fr) *	1976-12-11	1978-07-07	Hoechst Ag	Procede de regeneration de l'acide sulfurique use

Also Published As

Publication number	Publication date
BR7404850D0 (pt)	1975-01-21
IT1015054B (it)	1977-05-10
GB1479763A (en)	1977-07-13
DK317774A (fr)	1975-02-17
JPS5035094A (fr)	1975-04-03
CH601102A5 (fr)	1978-06-30
BE816367A (fr)	1974-12-16
US4010240A (en)	1977-03-01
FR2233280B1 (fr)	1977-10-07
IN144570B (fr)	1978-05-13
DE2330281A1 (de)	1975-01-09

Legal Events

Date	Code	Title	Description
1980-04-04	ST	Notification of lapse

Publication	Publication Date	Title
AR201758A1 (fr)	1975-04-15
AU476761B2 (fr)	1976-09-30
AU465372B2 (fr)	1975-09-25
AR201235Q (fr)	1975-02-21
AR201231Q (fr)	1975-02-21
AU474593B2 (fr)	1976-07-29
AU474511B2 (fr)	1976-07-22
AU474838B2 (fr)	1976-08-05
JPS5090595A (fr)	1975-07-19
AU465453B2 (fr)	1975-09-25
AU471343B2 (fr)	1976-04-15
AU465434B2 (fr)	1975-09-25
AU450229B2 (fr)	1974-07-04
AU476714B2 (fr)	1976-09-30
FR2233280B1 (fr)	1977-10-07
AR201229Q (fr)	1975-02-21
AU466283B2 (fr)	1975-10-23
AU476696B2 (fr)	1976-09-30
AU472848B2 (fr)	1976-06-03
AR199451A1 (fr)	1974-08-30
AU477823B2 (fr)	1975-06-19
AR195948A1 (fr)	1973-11-15
AU477824B2 (fr)	1975-07-17
AR200256A1 (fr)	1974-10-31
AR200885A1 (fr)	1974-12-27

FR2233280A1 - - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (2)

Family

ID=5883985

Family Applications (1)

Country Status (11)

Cited By (3)

Families Citing this family (8)

Citations (2)

Family Cites Families (17)

Patent Citations (2)

Cited By (3)

Also Published As

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Legal Events