GB2004469B - Sulphuric acid concentration - Google Patents

Sulphuric acid concentration

Info

Publication number: GB2004469B
Authority: GB; United Kingdom
Prior art keywords: sulphuric acid; acid concentration; sulphuric; concentration; acid
Prior art date: 1977-09-21
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

GB7837625A

Other versions

GB2004469A (en

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.)

Sulzer Escher Wyss AG

Montedison SpA

Original Assignee

Escher Wyss AG

Montedison SpA

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.)

1977-09-21

Filing date

1978-09-21

Publication date

1982-07-14

1978-09-21 Application filed by Escher Wyss AG, Montedison SpA filed Critical Escher Wyss AG

1979-04-04 Publication of GB2004469A publication Critical patent/GB2004469A/en

1982-07-14 Application granted granted Critical

1982-07-14 Publication of GB2004469B publication Critical patent/GB2004469B/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
- 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)
Inorganic Compounds Of Heavy Metals (AREA)
Manufacture And Refinement Of Metals (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

GB7837625A 1977-09-21 1978-09-21 Sulphuric acid concentration Expired GB2004469B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT2779777A IT1086096B (en)	1977-09-21	1977-09-21	PROCEDURE FOR THE CONCENTRATION OF AQUEOUS SOLUTIONS OF SULFURIC ACID

Publications (2)

Publication Number	Publication Date
GB2004469A GB2004469A (en)	1979-04-04
GB2004469B true GB2004469B (en)	1982-07-14

Family

ID=11222349

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7837625A Expired GB2004469B (en)	1977-09-21	1978-09-21	Sulphuric acid concentration

Country Status (8)

Country	Link
JP (1)	JPS5461094A (en)
CH (1)	CH638465A5 (en)
DE (1)	DE2807380A1 (en)
FR (1)	FR2403973A1 (en)
GB (1)	GB2004469B (en)
IT (1)	IT1086096B (en)
NL (1)	NL7809474A (en)
RO (1)	RO76235A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH672633A5 (en) *	1987-11-23	1989-12-15	Escher Wyss Ag
DE4403840C2 (en) *	1994-02-08	1997-12-04	Bayer Ag	Process for the recovery of sulfuric acid from used sulfates containing metal sulfate
DE4403841C2 (en) *	1994-02-08	1997-12-04	Bayer Ag	Process for evaporating used sulfuric acid
AU709404B2 (en) *	1995-07-24	1999-08-26	Kerr-Mcgee Pigments Gmbh & Co. Kg	Process for the recovery of sulphuric acid from spent acids containing metal sulphates
JP4737670B2 (en) *	2005-03-30	2011-08-03	株式会社ササクラ	Method and apparatus for treating wastewater containing calcium and sulfuric acid
WO2008003297A2 (en) *	2006-07-03	2008-01-10	Lailach Guenter	Method and system for concentrating metal sulfate-containing sulfuric acid
CN110104617A (en) *	2019-04-24	2019-08-09	成都先进金属材料产业技术研究院有限公司	Utilize the method for alum concentration titanium white waste acid
FR3161401A1 (en)	2024-04-17	2025-10-24	Stellantis Auto Sas	Bistable and monobloc equipment.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2078088A (en) *	1935-11-22	1937-04-20	Mantius	Process of recovering sulphuric acid from sulphuric acid solutions of sulphates
FR1076258A (en) *	1952-03-25	1954-10-25	C D Patents Ltd	Process for the recovery of sulfuric acid and inorganic sulphates from dilute waste liquors
DE957473C (en) *	1953-06-02	1957-02-07	Bayer Ag	Process for the crystallization of substances, which can crystallize with different amounts of water of crystallization, in a form which is free of water of crystallization or has a low concentration of water of crystallization
DE1131193B (en) *	1960-10-14	1962-06-14	Bayer Ag	Process for concentrating and desalting dilute, salty sulfuric acid
JPS5314429B2 (en) *	1973-05-11	1978-05-17
CH613913A5 (en) *	1975-10-20	1979-10-31	Pechiney Aluminium

1977
- 1977-09-21 IT IT2779777A patent/IT1086096B/en active
1978
- 1978-02-21 DE DE19782807380 patent/DE2807380A1/en active Granted
- 1978-09-18 NL NL7809474A patent/NL7809474A/en not_active Application Discontinuation
- 1978-09-19 JP JP11416778A patent/JPS5461094A/en active Granted
- 1978-09-19 RO RO7895225A patent/RO76235A/en unknown
- 1978-09-20 CH CH981178A patent/CH638465A5/en not_active IP Right Cessation
- 1978-09-21 FR FR7827059A patent/FR2403973A1/en active Granted
- 1978-09-21 GB GB7837625A patent/GB2004469B/en not_active Expired

Also Published As

Publication number	Publication date
DE2807380C2 (en)	1990-08-09
NL7809474A (en)	1979-03-23
RO76235A (en)	1981-04-30
JPS5461094A (en)	1979-05-17
IT1086096B (en)	1985-05-28
FR2403973B1 (en)	1983-01-28
GB2004469A (en)	1979-04-04
FR2403973A1 (en)	1979-04-20
DE2807380A1 (en)	1979-03-29
JPS6335320B2 (en)	1988-07-14
CH638465A5 (en)	1983-09-30

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Legal Events

Date	Code	Title	Description
1993-05-19	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19920921