AT325062B - PROCESS FOR AVOIDING CORROSION OF THE HEAT EXCHANGE EQUIPMENT WITHIN A PROCESS FOR THE MULTI-STAGE CATALYTIC OXYDATION OF SO2 TO SO3 - Google Patents

PROCESS FOR AVOIDING CORROSION OF THE HEAT EXCHANGE EQUIPMENT WITHIN A PROCESS FOR THE MULTI-STAGE CATALYTIC OXYDATION OF SO2 TO SO3

Info

Publication number
AT325062B
AT325062B AT696972A AT696972A AT325062B AT 325062 B AT325062 B AT 325062B AT 696972 A AT696972 A AT 696972A AT 696972 A AT696972 A AT 696972A AT 325062 B AT325062 B AT 325062B
Authority
AT
Austria
Prior art keywords
heat exchange
exchange equipment
stage catalytic
avoiding corrosion
oxydation
Prior art date
Application number
AT696972A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT325062B publication Critical patent/AT325062B/en

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)
AT696972A 1971-08-13 1972-08-11 PROCESS FOR AVOIDING CORROSION OF THE HEAT EXCHANGE EQUIPMENT WITHIN A PROCESS FOR THE MULTI-STAGE CATALYTIC OXYDATION OF SO2 TO SO3 AT325062B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7129648A FR2149586A5 (en) 1971-08-13 1971-08-13 IMPROVEMENT IN THE MANUFACTURING OF SULFURIC ACID

Publications (1)

Publication Number Publication Date
AT325062B true AT325062B (en) 1975-10-10

Family

ID=9081846

Family Applications (1)

Application Number Title Priority Date Filing Date
AT696972A AT325062B (en) 1971-08-13 1972-08-11 PROCESS FOR AVOIDING CORROSION OF THE HEAT EXCHANGE EQUIPMENT WITHIN A PROCESS FOR THE MULTI-STAGE CATALYTIC OXYDATION OF SO2 TO SO3

Country Status (11)

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

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 (en) * 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 (en) * 2021-01-04 2021-03-30 联仕(昆山)化学材料有限公司 Production method of electronic-grade sulfuric acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL135400C (en) * 1964-09-25
DE1933460C3 (en) * 1969-07-02 1973-11-15 Metallgesellschaft Ag, 6000 Frankfurt Device for intermediate absorption and heat exchange during the catalytic conversion of gases containing SO deep 2 with the production of sulfuric acid

Also Published As

Publication number Publication date
DE2239510B2 (en) 1980-07-03
JPS4827998A (en) 1973-04-13
FI55164C (en) 1979-06-11
NO136708B (en) 1977-07-18
IT970822B (en) 1974-04-20
BR7205489D0 (en) 1973-06-12
BE786720A (en) 1972-11-16
GB1405616A (en) 1975-09-10
ES405469A1 (en) 1975-09-01
NO136708C (en) 1977-10-26
FR2149586A5 (en) 1973-03-30
DE2239510C3 (en) 1981-03-19
FI55164B (en) 1979-02-28
DE2239510A1 (en) 1973-02-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee