DK317774A - - Google Patents

Info

Publication number
DK317774A
DK317774A DK317774A DK317774A DK317774A DK 317774 A DK317774 A DK 317774A DK 317774 A DK317774 A DK 317774A DK 317774 A DK317774 A DK 317774A DK 317774 A DK317774 A DK 317774A
Authority
DK
Denmark
Application number
DK317774A
Other languages
Danish (da)
Inventor
H V Plessen
E Fischer
S Schiessler
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.)
Filing date
Publication date
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of DK317774A publication Critical patent/DK317774A/da

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)
DK317774A 1973-06-14 1974-06-13 DK317774A (pt)

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 (1)

Publication Number Publication Date
DK317774A true DK317774A (pt) 1975-02-17

Family

ID=5883985

Family Applications (1)

Application Number Title Priority Date Filing Date
DK317774A DK317774A (pt) 1973-06-14 1974-06-13

Country Status (11)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2616768C3 (de) * 1976-04-15 1978-12-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Regeneration von Abfallschwefelsäure
DE2632989A1 (de) * 1976-07-22 1978-02-02 Hoechst Ag Verfahren zum regenerieren von schwefelsaeure
DE2653088C2 (de) * 1976-11-23 1978-10-19 Hoechst Ag, 6000 Frankfurt Verfahren zur Regeneration von Abfallschwefelsäure
DE2656236C3 (de) * 1976-12-11 1980-11-06 Hoechst Ag, 6000 Frankfurt Verfahren zum Regenerieren von Abfallschwefelsäure
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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE299774C (pt) *
DE1074019B (de) * 1960-01-28 Carl Buschm^ Hamburg Bergedorf Willy Verfahren zur Reinigung und Konzentration von Ab fallschwefelsaure
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
DE1233368B (de) * 1962-08-13 1967-02-02 Heraeus Schott Quarzschmelze Verfahren zur kontinuierlichen Destillation von Schwefelsaeure in Apparaturen aus keramischen Werkstoffen
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

Also Published As

Publication number Publication date
BE816367A (fr) 1974-12-16
FR2233280A1 (pt) 1975-01-10
GB1479763A (en) 1977-07-13
US4010240A (en) 1977-03-01
DE2330281A1 (de) 1975-01-09
JPS5035094A (pt) 1975-04-03
BR7404850D0 (pt) 1975-01-21
IT1015054B (it) 1977-05-10
FR2233280B1 (pt) 1977-10-07
IN144570B (pt) 1978-05-13
CH601102A5 (pt) 1978-06-30

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Legal Events

Date Code Title Description
ATS Application withdrawn