IT970822B - Perfezionamento nella fabbricazione dell acido solforico - Google Patents

Perfezionamento nella fabbricazione dell acido solforico

Info

Publication number
IT970822B
IT970822B IT6947872A IT6947872A IT970822B IT 970822 B IT970822 B IT 970822B IT 6947872 A IT6947872 A IT 6947872A IT 6947872 A IT6947872 A IT 6947872A IT 970822 B IT970822 B IT 970822B
Authority
IT
Italy
Prior art keywords
improvement
manufacture
sulfuric acid
sulfuric
acid
Prior art date
Application number
IT6947872A
Other languages
English (en)
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 IT970822B publication Critical patent/IT970822B/it

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IT6947872A 1971-08-13 1972-07-28 Perfezionamento nella fabbricazione dell acido solforico IT970822B (it)

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
IT970822B true IT970822B (it) 1974-04-20

Family

ID=9081846

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6947872A IT970822B (it) 1971-08-13 1972-07-28 Perfezionamento nella fabbricazione dell acido solforico

Country Status (11)

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

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 (it) * 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 (it) * 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
BE786720A (fr) 1972-11-16
DE2239510C3 (de) 1981-03-19
AT325062B (de) 1975-10-10
BR7205489D0 (pt) 1973-06-12
FR2149586A5 (fr) 1973-03-30
JPS4827998A (it) 1973-04-13
NO136708C (no) 1977-10-26
DE2239510A1 (de) 1973-02-22
FI55164C (fi) 1979-06-11
ES405469A1 (es) 1975-09-01
GB1405616A (en) 1975-09-10
FI55164B (fi) 1979-02-28
DE2239510B2 (de) 1980-07-03
NO136708B (it) 1977-07-18

Similar Documents

Publication Publication Date Title
IT964102B (it) Preparazione d acido gliossilico
IT973803B (it) Procedimento per produrre anidride e acido solforico
CH469700A (it) Procedimento per la preparazione dell'acido 3-metil-flavon-8-carbossilico
IT973894B (it) Anilidi dell acido solfonilglico lico sostituite
CA995238A (en) Continuous production of anthranilic acid
IT941454B (it) Processo per la preparazione dell acido citrico
IT970822B (it) Perfezionamento nella fabbricazione dell acido solforico
JPS5217490A (en) Production of 66aminopenicillanic acid sulpaoxidosilylesters
IT982336B (it) Procedimento per la produzione di acido aeruginoico
BR6915480D0 (pt) Processo para a preparacao de semiesteres de acido sulfurico e de tragacanto
SE394660B (sv) Forfarande for framstellning av svavelsyra
ZA713683B (en) Manufacture of nitric acid
IL34920A0 (en) The production of substituted sulphamic acid fluorides and new n-monoalkyl sulphamic acid fluorides
IT966155B (it) Depurazione continua di dinitrile dell acido adipico
BR6914958D0 (pt) Processo aperfeicoado para a preparacao de acido 7-aminocelosporanico
IT1045661B (it) Procedimento per la produzione di irride dell acido maleico
JPS54145644A (en) Manufacture of novel mmbenzoylphenylacetic acid
IT943887B (it) Preparazione dell acido 2 cloroetanfosfonico
IT956982B (it) Procedimento di eliminazione dell acido solfidrico gassos
CA828060A (en) Production of sulfuric acid
IT1051001B (it) Processo per la preparazione dell acido 3 o beta carbossipropionil ibbeta glicirretico
IT976010B (it) Procedimento per la preparazione dell acido transcrisantemico
IT963670B (it) Procedimento di alchilazione cata lizzato con acido solforico
IT1047889B (it) Procedimento per la produzione di estere dell acido diticcarbammico scomponibile in cisteina acido peta sulfioril alfa amminopropionico ed isotiocianato
IT1050434B (it) Procedimento per la fabbricazione dell acido citrico mediante permentazione