BE870410A - Procede d'epuration - Google Patents

Procede d'epuration

Info

Publication number: BE870410A
Authority: BE; Belgium
Prior art keywords: depuration process; depuration
Prior art date: 1977-09-16

Application number

BE190425A

Other languages

English (en)

French (fr)

Original Assignee

Tioxide Group Ltd

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.)

1977-09-16

Filing date

1978-09-12

Publication date

1979-03-12

1978-09-12 Application filed by Tioxide Group Ltd filed Critical Tioxide Group Ltd

1979-03-12 Publication of BE870410A publication Critical patent/BE870410A/xx

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
- Y10S423/02—Sulfuric acid

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Removal Of Specific Substances (AREA)

BE190425A 1977-09-16 1978-09-12 Procede d'epuration BE870410A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB38647/77A GB1573187A (en)	1977-09-16	1977-09-16	Purification process

Publications (1)

Publication Number	Publication Date
BE870410A true BE870410A (fr)	1979-03-12

Family

ID=10404814

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE190425A BE870410A (fr)	1977-09-16	1978-09-12	Procede d'epuration

Country Status (12)

Country	Link
US (1)	US4208393A (xx)
JP (1)	JPS5447895A (xx)
AU (1)	AU517883B2 (xx)
BE (1)	BE870410A (xx)
CA (1)	CA1099483A (xx)
DE (1)	DE2829382A1 (xx)
ES (1)	ES471032A1 (xx)
FR (1)	FR2403298A1 (xx)
GB (1)	GB1573187A (xx)
IT (1)	IT1157177B (xx)
NL (1)	NL177105C (xx)
ZA (1)	ZA783253B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GR64174B (en) *	1979-11-29	1980-02-07	Gavogianis Panagiotis	Method for the production of synthetic ferric oxides
JPS6186457A (ja) *	1984-10-02	1986-05-01	富士不燃建材工業株式会社	石灰石硬化体の製造方法
DE3743818C2 (de) *	1987-12-23	1995-02-23	Hoelter Heinz	Verfahren zur Herstellung eines wasserauslaugungsfesten Baustoffes und seine Verwendung
DE4124073A1 (de) *	1990-07-20	1992-01-23	Csir	Verfahren zur wasseraufbereitung
US5298169A (en) *	1992-08-21	1994-03-29	Kronos, Inc.	Treatment of waste sulfuric acid by gypsum precipitation in a titanium dioxide process
EP0757971A1 (en) *	1995-01-31	1997-02-12	Compania General Yesera, S.A.	Process for obtaining a charge of dihydrate calcium sulfate in the form of acicular crystals and utilization in the paper making industry
EP1474367A1 (en) *	2002-02-21	2004-11-10	Tioxide Group Services Limited	Red gypsum in civil engineering applications
EP2371769A1 (en) *	2006-06-28	2011-10-05	Sachtleben Pigments Oy	Method of treating a precipitate comprising iron(ii)sulphate monohydrate, a plant, granular material and its uses
DK2975004T3 (da) *	2014-07-17	2017-11-20	Omya Int Ag	Syrespildevandsbehandling
CN109368604A (zh) *	2018-10-24	2019-02-22	四川大学	一种利用相平衡原理通过生成结晶水合物进行钛白废酸浓缩的工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2197003A (en) *	1937-11-18	1940-04-16	Glidden Co	Process for making pigments
FR1069146A (fr) *	1951-12-06	1954-07-05	Titan Co	Procédé d'obtention et de récupération de gypse ou produits analogues à partir de liqueurs résiduaires d'acide sulfurique et produits nouveaux obtenus
US2822242A (en) *	1954-02-10	1958-02-04	Nat Lead Co	Manufacture of calcium sulphate anhydrite from gypsum, calcium carbonate and sulfuric acid
US3375066A (en) *	1963-08-24	1968-03-26	Yawata Chem Ind Co Ltd	Process for the continuous production of gypsum and iron oxide from waste sulfuric acid pickle liquor and a calcium compound
CA1053876A (en) *	1973-12-14	1979-05-08	Arthur A. Bellinger	Method and means of growing coarse gypsum and magnetite
JPS5146679A (en) *	1974-10-19	1976-04-21	Uchida Yuatsu Kiki Kogyo Kk	2 ryuryogoryukairosochi
GB1485067A (en) *	1975-07-25	1977-09-08	Tioxide Group Ltd	Effluent treatment process
JPH10279473A (ja) *	1997-03-31	1998-10-20	Lion Corp	フットケア用シート剤

1977
- 1977-09-16 GB GB38647/77A patent/GB1573187A/en not_active Expired
1978
- 1978-06-05 CA CA304,773A patent/CA1099483A/en not_active Expired
- 1978-06-07 ZA ZA783253A patent/ZA783253B/xx unknown
- 1978-06-07 AU AU36897/78A patent/AU517883B2/en not_active Expired
- 1978-06-22 ES ES471032A patent/ES471032A1/es not_active Expired
- 1978-06-27 NL NLAANVRAGE7806876,A patent/NL177105C/xx not_active IP Right Cessation
- 1978-07-04 DE DE19782829382 patent/DE2829382A1/de not_active Withdrawn
- 1978-08-02 JP JP9445778A patent/JPS5447895A/ja active Pending
- 1978-09-11 IT IT51046/78A patent/IT1157177B/it active
- 1978-09-12 BE BE190425A patent/BE870410A/xx not_active IP Right Cessation
- 1978-09-14 US US05/942,335 patent/US4208393A/en not_active Expired - Lifetime
- 1978-09-15 FR FR7826578A patent/FR2403298A1/fr active Granted

Also Published As

Publication number	Publication date
ZA783253B (en)	1980-01-30
IT1157177B (it)	1987-02-11
FR2403298B1 (xx)	1984-06-22
US4208393A (en)	1980-06-17
IT7851046A0 (it)	1978-09-11
DE2829382A1 (de)	1979-03-29
JPS5447895A (en)	1979-04-14
NL7806876A (nl)	1979-03-20
AU3689778A (en)	1979-12-13
NL177105B (nl)	1985-03-01
ES471032A1 (es)	1979-02-16
CA1099483A (en)	1981-04-21
AU517883B2 (en)	1981-09-03
NL177105C (nl)	1985-08-01
FR2403298A1 (fr)	1979-04-13
GB1573187A (en)	1980-08-20

Legal Events

Date

Code

Title

Description

1995-03-31

RE

Patent lapsed

Owner name: TIOXIDE GROUP LTD

Effective date: 19940930

Publication	Publication Date	Title
BE865635A (fr)	1978-07-31	Procede d'osteosynthese
BE869500A (fr)	1978-12-01	Procede de preparation de l'ethylene
BE855273A (fr)	1977-12-01	Procede de preparation de polyurethannes
RO75807A (ro)	1981-02-28	Procedeu de microincapsulare
BE857854A (fr)	1978-02-17	Procede de preparation de polyurethanne-urees
BE865260A (fr)	1978-09-25	Procede de preparation d'octafluoropropane
FR2439813B1 (fr)	1985-07-05	Procede de deparaffinag
BE869294A (fr)	1979-01-26	Procede de determination de l'amylase
FR2342981A1 (fr)	1977-09-30	Procede de preparation d'hydrogenosilanes
BE839483A (fr)	1976-09-13	Procede d'ammonoxydation
BE855682A (fr)	1977-12-14	Procede d'encapsulement
LU78621A1 (fr)	1979-06-13	Procede d'hydrogenation
BE870410A (fr)	1979-03-12	Procede d'epuration
BE872843A (fr)	1979-04-17	Procede d'obtention d'aporphines
BE863208A (fr)	1978-07-24	Procede de purification d'anthocyanes
BE878235A (fr)	1979-12-03	Procede de clivage de dihydroxydiphenylalcanes
FR2396584B1 (fr)	1985-06-21	Procede d'homogeneisation
FR2351914A1 (fr)	1977-12-16	Procede d'epuration
BE853162A (fr)	1977-08-01	Procede de preparation de chloromethylsilanes
BE860699A (fr)	1978-05-10	Procede de preparation de gamma-pyrones
FR2300398A1 (fr)	1976-09-03	Procede d'aplatissement de la courbe d
BE852148A (fr)	1977-09-07	Procede de production d'hydrazobenzenes
BE855037R (fr)	1977-11-25	Procede d'ammonoxydation
FR2343753A1 (fr)	1977-10-07	Procede de preparation d'alcali-cellulose
BE855125A (fr)	1977-11-28	Procede de preparation d'ethylene-glycol