FR2449647B1 - - Google Patents

Info

Publication number
FR2449647B1
FR2449647B1 FR7904870A FR7904870A FR2449647B1 FR 2449647 B1 FR2449647 B1 FR 2449647B1 FR 7904870 A FR7904870 A FR 7904870A FR 7904870 A FR7904870 A FR 7904870A FR 2449647 B1 FR2449647 B1 FR 2449647B1
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.)
Expired
Application number
FR7904870A
Other languages
French (fr)
Other versions
FR2449647A1 (fr
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.)
Appareils et Evaporateurs Kestner SA
Original Assignee
Appareils et Evaporateurs Kestner SA
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 Appareils et Evaporateurs Kestner SA filed Critical Appareils et Evaporateurs Kestner SA
Priority to FR7904870A priority Critical patent/FR2449647A1/fr
Publication of FR2449647A1 publication Critical patent/FR2449647A1/fr
Application granted granted Critical
Publication of FR2449647B1 publication Critical patent/FR2449647B1/fr
Granted 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
    • C01B17/88—Concentration of sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
FR7904870A 1979-02-26 1979-02-26 Perfectionnement au procede de concentration d'acide sulfurique jusqu'a une teneur elevee, en partant d'acide pur ou impur Granted FR2449647A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7904870A FR2449647A1 (fr) 1979-02-26 1979-02-26 Perfectionnement au procede de concentration d'acide sulfurique jusqu'a une teneur elevee, en partant d'acide pur ou impur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7904870A FR2449647A1 (fr) 1979-02-26 1979-02-26 Perfectionnement au procede de concentration d'acide sulfurique jusqu'a une teneur elevee, en partant d'acide pur ou impur

Publications (2)

Publication Number Publication Date
FR2449647A1 FR2449647A1 (fr) 1980-09-19
FR2449647B1 true FR2449647B1 (zh) 1981-10-30

Family

ID=9222459

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904870A Granted FR2449647A1 (fr) 1979-02-26 1979-02-26 Perfectionnement au procede de concentration d'acide sulfurique jusqu'a une teneur elevee, en partant d'acide pur ou impur

Country Status (1)

Country Link
FR (1) FR2449647A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU569777B2 (en) * 1984-03-23 1988-02-18 C.I.L. Inc. Purification of waste sulphuric acid using microwave radiation
NL8402751A (nl) * 1984-09-10 1986-04-01 Philips Nv Inrichting voor het opwerken van beits- en etsvloeistoffen.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2181274A (en) * 1938-05-11 1939-11-28 Utilities Coordinated Res Inc Induction heater construction
DE972114C (de) * 1951-02-11 1959-05-21 Carl Dipl-Ing Schoerg Anordnung zur induktiven Erhitzung stroemender Medien
FR1120150A (fr) * 1955-01-17 1956-07-02 Kestner App Evaporateurs Procédé de concentration d'acide sulfurique jusqu'à une teneur élevée, en partant d'acide pur ou impur
US3053959A (en) * 1959-12-15 1962-09-11 Richard M Christmann Apparatus and method for heating fluids
FR1298512A (fr) * 1961-06-02 1962-07-13 Installation de chauffage électrique
US4145591A (en) * 1976-01-24 1979-03-20 Nitto Chemical Industry Co., Ltd. Induction heating apparatus with leakage flux reducing means
DE2712728A1 (de) * 1977-03-23 1978-09-28 Metallgesellschaft Ag Verfahren und vorrichtung zum erhitzen von gasen oder daempfen

Also Published As

Publication number Publication date
FR2449647A1 (fr) 1980-09-19

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