AT351495B - Katalysator fuer die umwandlung von schwefelig- saeure-anhydrid in schwefelsaeure-anhydrid und umgekehrt - Google Patents

Katalysator fuer die umwandlung von schwefelig- saeure-anhydrid in schwefelsaeure-anhydrid und umgekehrt

Info

Publication number
AT351495B
AT351495B AT165677A AT165677A AT351495B AT 351495 B AT351495 B AT 351495B AT 165677 A AT165677 A AT 165677A AT 165677 A AT165677 A AT 165677A AT 351495 B AT351495 B AT 351495B
Authority
AT
Austria
Prior art keywords
sulfuric acid
acid anhydride
catalyst
reverse
conversion
Prior art date
Application number
AT165677A
Other languages
German (de)
English (en)
Other versions
ATA165677A (de
Original Assignee
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 Ugine Kuhlmann filed Critical Ugine Kuhlmann
Publication of ATA165677A publication Critical patent/ATA165677A/de
Application granted granted Critical
Publication of AT351495B publication Critical patent/AT351495B/de

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
    • C01B17/78—Preparation by contact processes characterised by the catalyst used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
    • 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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/502—Preparation of sulfur dioxide by reduction of sulfur compounds of sulfur trioxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
AT165677A 1976-03-11 1977-03-11 Katalysator fuer die umwandlung von schwefelig- saeure-anhydrid in schwefelsaeure-anhydrid und umgekehrt AT351495B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7606974A FR2343694A1 (fr) 1976-03-11 1976-03-11 Nouveau catalyseur pour la conversion de l'anhydride sulfureux en anhydride sulfurique et sa reaction inverse

Publications (2)

Publication Number Publication Date
ATA165677A ATA165677A (de) 1979-01-15
AT351495B true AT351495B (de) 1979-07-25

Family

ID=9170268

Family Applications (1)

Application Number Title Priority Date Filing Date
AT165677A AT351495B (de) 1976-03-11 1977-03-11 Katalysator fuer die umwandlung von schwefelig- saeure-anhydrid in schwefelsaeure-anhydrid und umgekehrt

Country Status (14)

Country Link
JP (1) JPS6035175B2 (uk)
AT (1) AT351495B (uk)
AU (1) AU517001B2 (uk)
BE (1) BE851638A (uk)
BR (1) BR7701470A (uk)
CA (1) CA1093541A (uk)
CH (1) CH597908A5 (uk)
DE (1) DE2710350C3 (uk)
ES (1) ES456781A1 (uk)
FR (1) FR2343694A1 (uk)
GB (1) GB1572841A (uk)
IT (1) IT1073280B (uk)
SU (1) SU745353A3 (uk)
ZA (1) ZA771453B (uk)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116675184B (zh) * 2023-07-28 2023-11-14 潍坊春源化工有限公司 一种循环生产三氧化硫的工艺及装备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002746B (de) * 1954-09-03 1957-02-21 Metallgesellschaft Ag Verfahren zur Herstellung von Kohlenwasserstoffen, sauerstoffhaltigen Kohlenwasserstoffverbindungen oder deren Gemischen durch Hydrierung von Oxyden des Kohlenstoffs

Also Published As

Publication number Publication date
JPS52111481A (en) 1977-09-19
BE851638A (fr) 1977-08-18
SU745353A3 (ru) 1980-06-30
ATA165677A (de) 1979-01-15
GB1572841A (en) 1980-08-06
FR2343694A1 (fr) 1977-10-07
AU517001B2 (en) 1981-07-02
DE2710350C3 (de) 1981-07-30
ZA771453B (en) 1978-04-26
CA1093541A (fr) 1981-01-13
AU2310477A (en) 1978-09-14
ES456781A1 (es) 1978-06-01
DE2710350B2 (de) 1980-07-03
JPS6035175B2 (ja) 1985-08-13
BR7701470A (pt) 1978-09-12
CH597908A5 (uk) 1978-04-14
FR2343694B1 (uk) 1980-05-23
IT1073280B (it) 1985-04-13
DE2710350A1 (de) 1978-01-26

Similar Documents

Publication Publication Date Title
RO76129A (ro) Compozitie catalitica folosita la obtinerea acizilor nesaturati
BE855741A (fr) Catalyseur pour l'oxydation de la (meth)acroleine en acide (meth) acrylique
IT1075368B (it) Procedimento e catalizzatore per produrre benzeni para-dialchil sostituiti
FR2332263A1 (fr) Composes azotes de l'uree utilisables comme catalyseurs dans la synthese de polyurethannes
BR7908260A (pt) Composicao catalisadora e processo para converter gas de sintese
AT274012B (de) Verfahren zur katalytischen Umsetzung von SO2 zu SO3 und Schwefelsäureherstellung
NL7809971A (nl) Omzetter van gelijkstroom in wisselstroom.
IS2272A7 (is) Vinda til að innbyrða snurpinót
IT1025039B (it) Metodo di riduzione diretta in convertitore metallurgico
AT351495B (de) Katalysator fuer die umwandlung von schwefelig- saeure-anhydrid in schwefelsaeure-anhydrid und umgekehrt
BR7406133D0 (pt) Convertidos para a oxidacao catalitica do so2aso3
CA888086A (en) Catalytic conversion of so2 to so3 and sulphuric acid
FR1425885A (fr) Régénération d'acide sulfurique dans la préparation de méthacrylate de méthyle
ZA713248B (en) Catalytic oxidation of so2 to so3
AT292025B (de) Verfahren zur katalytischen Umzetzung von SO2 zu SO3 und Schwefelsäureherstellung
RO72506A (ro) Compozitie catalitica folosita la obtinerea acizilor nesaturati
IT1052583B (it) Acido benzoico inodore e procedimento per produrlo
BE816016A (fr) Catalyseur d'oxydation pour produire l'acide methacrylique
IT981232B (it) Procedimento di preparazione di acido acrilico e catalizzatore di ossidazione
SE401719B (sv) Vagenergiomvandlare
IT1032287B (it) Catalizzatore supportato di ossidazione e procedimento per produrlo
AT346289B (de) Traegerkatalysator fuer die oxydation von o- xylol und/oder naphthalin zu phthalsaeure- anhydrid
NL147105B (nl) Werkwijze voor de katalytische omzetting in twee contacttrappen van so2 in so3 en/of zwavelzuur.
IT946834B (it) Convertitore di corrente alternata in corrente continua
BE782415A (fr) Convertisseur electrochimique a aluminium-halogene

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties