BE796201A - Procede de preparation d'un gaz contenant de l'anhydride sulfureux a partir d'un acide sulfurique contenant du sulfate de fer-(ii) - Google Patents

Procede de preparation d'un gaz contenant de l'anhydride sulfureux a partir d'un acide sulfurique contenant du sulfate de fer-(ii)

Info

Publication number
BE796201A
BE796201A BE128306A BE128306A BE796201A BE 796201 A BE796201 A BE 796201A BE 128306 A BE128306 A BE 128306A BE 128306 A BE128306 A BE 128306A BE 796201 A BE796201 A BE 796201A
Authority
BE
Belgium
Prior art keywords
sulphate
preparing
sulfuric acid
gas containing
sulfurous anhydride
Prior art date
Application number
BE128306A
Other languages
English (en)
French (fr)
Original Assignee
Zieren Chemiebau Gmbh Dr A
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 Zieren Chemiebau Gmbh Dr A filed Critical Zieren Chemiebau Gmbh Dr A
Publication of BE796201A publication Critical patent/BE796201A/xx

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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
    • 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)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Magnetic Ceramics (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
BE128306A 1972-03-06 1973-03-02 Procede de preparation d'un gaz contenant de l'anhydride sulfureux a partir d'un acide sulfurique contenant du sulfate de fer-(ii) BE796201A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2210637A DE2210637B2 (de) 1972-03-06 1972-03-06 Verfahren zur Herstellung eines Schwefeldioxid enthaltenden Gases aus einer bei der TitanweiBherstellung anfallenden Dünnsäure

Publications (1)

Publication Number Publication Date
BE796201A true BE796201A (fr) 1973-07-02

Family

ID=5838004

Family Applications (1)

Application Number Title Priority Date Filing Date
BE128306A BE796201A (fr) 1972-03-06 1973-03-02 Procede de preparation d'un gaz contenant de l'anhydride sulfureux a partir d'un acide sulfurique contenant du sulfate de fer-(ii)

Country Status (7)

Country Link
US (1) US3906039A (ru)
JP (1) JPS49196A (ru)
BE (1) BE796201A (ru)
DE (1) DE2210637B2 (ru)
FR (1) FR2174916B1 (ru)
GB (1) GB1424778A (ru)
IT (1) IT981074B (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557428B2 (ru) * 1973-11-28 1980-02-25
DE2448676A1 (de) * 1974-10-12 1976-04-22 Hoechst Ag Verfahren zur herstellung von schwefeldioxid
DE2643798A1 (de) * 1976-09-29 1978-04-06 Bayer Ag Verfahren zur aufarbeitung von abfallschwefelsaeure und eisensulfatheptahydrat zu frischsaeure
DE2710978A1 (de) * 1977-03-12 1978-09-21 Metallgesellschaft Ag Verfahren zur thermischen spaltung von ueberwiegend eisensulfat enthaltenden salzen
CH677933A5 (ru) * 1989-04-07 1991-07-15 Escher Wyss Ag
US5730950A (en) * 1996-06-25 1998-03-24 Jennifer L. Klotz Sulfuric acid waste recycling by regenerative process
US6773604B2 (en) * 2001-08-17 2004-08-10 U.S. Peroxide Llc Method for reducing hydrogen sulfide emissions from wastewater
JP4927020B2 (ja) * 2008-04-16 2012-05-09 新日本製鐵株式会社 石炭中硫黄の形態別定量方法
CN114031045B (zh) * 2021-11-15 2023-12-05 攀钢集团攀枝花钢铁研究院有限公司 一种提高硫酸法钛白回用废酸浓缩效率的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1048247A (en) * 1911-07-25 1912-12-24 Charles A Weeks Recovery of sulfuric acid and iron oxid from ferrous-sulfate sludge.
US2155119A (en) * 1935-08-13 1939-04-18 American Lurgi Corp Process of and apparatus for the thermal decomposition of substances or mixtures of same
US2098056A (en) * 1936-02-15 1937-11-02 Du Pont Utilization of waste products in the manufacture of titanium compounds from titanium ores
US2202414A (en) * 1938-12-03 1940-05-28 Chemical Construction Corp Production of sulphur dioxide from metal sulphates
US2280508A (en) * 1940-07-11 1942-04-21 Gen Chemical Corp Manufacture of sulphuric acid
US2936215A (en) * 1956-12-19 1960-05-10 Combustion Eng Chemical recovery unit
US3047362A (en) * 1958-12-29 1962-07-31 Combustion Eng Treatment of waste liquors
NL273476A (ru) * 1961-01-26 1900-01-01
US3387927A (en) * 1963-12-03 1968-06-11 Battelle Development Corp Method of regenerating waste pickle liquors
US3439724A (en) * 1965-08-23 1969-04-22 Chemical Construction Corp Method and apparatus for the concentration of dilute black liquor
US3812242A (en) * 1969-04-19 1974-05-21 It Resine Spa Soc Process for the simultaneous production of sulphur dioxide and concentrated aqueous sulphuric acid
DE2037619B2 (de) * 1970-07-29 1972-07-13 Chemiebau Dr. A. Zieren GmbH & Co KG, 5000 Köln Verfahren zur spaltung von schwefelsaeure
US3745207A (en) * 1971-01-25 1973-07-10 Environmental Technology Process for the recovery of waste pickle liquor

Also Published As

Publication number Publication date
IT981074B (it) 1974-10-10
DE2210637A1 (de) 1973-09-20
FR2174916A1 (ru) 1973-10-19
FR2174916B1 (ru) 1977-12-30
GB1424778A (en) 1976-02-11
DE2210637B2 (de) 1975-12-04
US3906039A (en) 1975-09-16
JPS49196A (ru) 1974-01-05

Similar Documents

Publication Publication Date Title
BE834848A (fr) Procede de separation de citrate ou d'acide citrique a partir de solutions de fermentation
FR2288477A1 (fr) Procede de production d'acide sialique et de glycoproteines a partir de lactoserum de fromagerie
BE825439A (fr) Procede et equipement pour la production d'acide citrique cristallin a partir de solutions de citrates alcalins
BE872703A (fr) Procede d'elimination d'arsenic a partir d'une solution d'acide sulfurique
FR2315497A1 (fr) Procede de preparation d'un acide terephtalique presentant un degre eleve de purete
FR2320903A1 (fr) Procede de preparation d'une suspension contenant de l'acide phosphorique tres concentre et du sulfate de calcium hemihydrate sous une forme facilement filtrable
RO62785A (fr) Procede pour la preparation des complexes a fer des derives d'acide ethylendiaminotetraacetique
BE796201A (fr) Procede de preparation d'un gaz contenant de l'anhydride sulfureux a partir d'un acide sulfurique contenant du sulfate de fer-(ii)
BE825948A (fr) Procede de preparation de la magnetite a partir de solutions de sulfate ferreux et magnetite ainsi obtenue
FR2330648A1 (fr) Procede de preparation par voie hydrometallurgique d'anhydride molybdique de qualite technique a partir de concentres de molybdenite
BE856404A (fr) Procede pour la production d'acide sulfurique a partir d'acides residuaires et de sulfate de fer
BE804909A (fr) Procede d'epuration de gaz contenant de l'anhydride sulfureux avec production de soufre elementaire
FR2530609B1 (fr) Procede de preparation d'un sulfate ferrique acide a partir du sulfate ferreux
RO72242A (ro) Procedeu pentru prepararea unui ester al acidului 1-sulfoxid-3-hidroxi-3-cefem-4-carboxilic
BE853975A (fr) Procede de traitement de solutions diluees d'acide sulfurique contenant du sulfate de fer (ii)
BE827914A (fr) Procede de preparation d'anhydride sulfurique a partir d'anhydride sulfureux et d'oxygene
FR2346333A1 (fr) Procede de preparation d'acide 2-chloronicotinique d'un blanc pur
FR2294984A1 (fr) Procede de fabrication de bicarbonate de sodium et d'acide borique a partir de minerais borosodiques
RO69916A (ro) Procedeu pentru prepararea nitrilu.ui acidului 3,7-dimetiloct-2-en-1-oic
BE837945A (fr) Procede de production d'un acide phtalique non noirci a partir du totualdehyde correspondant
FR2319620A1 (fr) Procede pour la fabrication de l'acide m-benzoyl-hydratropique avec un produit intermediaire nouveau
BE825580A (fr) Procede de production de sulfate de fer (ii) heptahydrate meuble
BE791400A (fr) Procede de production d'acide sulfurique
BE831302A (fr) Procede d'obtention d'anhydride sulfureux a partir de soufre et d'oxygene
BE793839A (fr) Procede de preparation d'un gaz contenant de l'anhydride sulfureux