BE786720A - Perfectionnement a la fabrication de l'acide sulfurique - Google Patents

Perfectionnement a la fabrication de l'acide sulfurique

Info

Publication number
BE786720A
BE786720A BE786720A BE786720A BE786720A BE 786720 A BE786720 A BE 786720A BE 786720 A BE786720 A BE 786720A BE 786720 A BE786720 A BE 786720A BE 786720 A BE786720 A BE 786720A
Authority
BE
Belgium
Prior art keywords
improvement
manufacturing
sulfuric acid
sulfuric
acid
Prior art date
Application number
BE786720A
Other languages
English (en)
French (fr)
Inventor
Kuhlmann. Ugine
Original Assignee
Pechiney Ugine Kuhlmann
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 Pechiney Ugine Kuhlmann filed Critical Pechiney Ugine Kuhlmann
Publication of BE786720A publication Critical patent/BE786720A/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
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/765—Multi-stage SO3-conversion
    • C01B17/7655—Multi-stage SO3-conversion with intermediate absorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
BE786720A 1971-08-13 1972-07-26 Perfectionnement a la fabrication de l'acide sulfurique BE786720A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7129648A FR2149586A5 (fr) 1971-08-13 1971-08-13 Perfectionnement a la fabrication de l'acide sulfurique

Publications (1)

Publication Number Publication Date
BE786720A true BE786720A (fr) 1972-11-16

Family

ID=9081846

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786720A BE786720A (fr) 1971-08-13 1972-07-26 Perfectionnement a la fabrication de l'acide sulfurique

Country Status (11)

Country Link
JP (1) JPS4827998A (de)
AT (1) AT325062B (de)
BE (1) BE786720A (de)
BR (1) BR7205489D0 (de)
DE (1) DE2239510C3 (de)
ES (1) ES405469A1 (de)
FI (1) FI55164C (de)
FR (1) FR2149586A5 (de)
GB (1) GB1405616A (de)
IT (1) IT970822B (de)
NO (1) NO136708C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA727754B (en) * 1972-11-01 1974-06-26 African Explosives & Chem Improvements in and relating to the manufacture of sulphuric acid
JPS50161685A (de) * 1974-06-19 1975-12-27
JPS52119706A (en) * 1975-11-28 1977-10-07 Kerou Majin Method of and device for cooling underground power cable
CN112320768B (zh) * 2021-01-04 2021-03-30 联仕(昆山)化学材料有限公司 电子级硫酸的生产方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL135400C (de) * 1964-09-25
DE1933460C3 (de) * 1969-07-02 1973-11-15 Metallgesellschaft Ag, 6000 Frankfurt Vorrichtung zur Zwischenabsorption und zum Wärmeaustausch bei der kataly tischen Umsetzung SO tief 2 haltiger Gase unter Erzeugung von Schwefelsaure

Also Published As

Publication number Publication date
BR7205489D0 (pt) 1973-06-12
IT970822B (it) 1974-04-20
FI55164B (fi) 1979-02-28
FI55164C (fi) 1979-06-11
NO136708C (no) 1977-10-26
DE2239510B2 (de) 1980-07-03
ES405469A1 (es) 1975-09-01
FR2149586A5 (fr) 1973-03-30
JPS4827998A (de) 1973-04-13
AT325062B (de) 1975-10-10
NO136708B (de) 1977-07-18
DE2239510A1 (de) 1973-02-22
GB1405616A (en) 1975-09-10
DE2239510C3 (de) 1981-03-19

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PECHINEY UGINE KUHLMANN

Effective date: 19840726