NO136708B - - Google Patents

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Publication number
NO136708B
NO136708B NO283572A NO283572A NO136708B NO 136708 B NO136708 B NO 136708B NO 283572 A NO283572 A NO 283572A NO 283572 A NO283572 A NO 283572A NO 136708 B NO136708 B NO 136708B
Authority
NO
Norway
Prior art keywords
drum
crop
relation
machine
hay
Prior art date
Application number
NO283572A
Other languages
English (en)
Norwegian (no)
Other versions
NO136708C (no
Inventor
B Vidon
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 NO136708B publication Critical patent/NO136708B/no
Publication of NO136708C publication Critical patent/NO136708C/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/69Sulfur trioxide; Sulfuric acid
    • C01B17/74Preparation
    • C01B17/76Preparation by contact processes
    • C01B17/765Multi-stage SO3-conversion
    • C01B17/7655Multi-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)
NO283572A 1971-08-13 1972-08-09 Fremgangsm}te for flertrinns katalytisk oksydasjon av svoveldioksyd til svoveltrioksyd NO136708C (no)

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 (2)

Publication Number Publication Date
NO136708B true NO136708B (fr) 1977-07-18
NO136708C NO136708C (no) 1977-10-26

Family

ID=9081846

Family Applications (1)

Application Number Title Priority Date Filing Date
NO283572A NO136708C (no) 1971-08-13 1972-08-09 Fremgangsm}te for flertrinns katalytisk oksydasjon av svoveldioksyd til svoveltrioksyd

Country Status (11)

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

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 (fr) * 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 (fr) * 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
FI55164B (fi) 1979-02-28
FR2149586A5 (fr) 1973-03-30
AT325062B (de) 1975-10-10
BE786720A (fr) 1972-11-16
DE2239510C3 (de) 1981-03-19
IT970822B (it) 1974-04-20
JPS4827998A (fr) 1973-04-13
DE2239510A1 (de) 1973-02-22
ES405469A1 (es) 1975-09-01
BR7205489D0 (pt) 1973-06-12
FI55164C (fi) 1979-06-11
DE2239510B2 (de) 1980-07-03
GB1405616A (en) 1975-09-10
NO136708C (no) 1977-10-26

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