ES8200623A1 - Mejoras introducidas en un procedimiento continuo de obten- cion de so2 - Google Patents

Mejoras introducidas en un procedimiento continuo de obten- cion de so2

Info

Publication number
ES8200623A1
ES8200623A1 ES498010A ES498010A ES8200623A1 ES 8200623 A1 ES8200623 A1 ES 8200623A1 ES 498010 A ES498010 A ES 498010A ES 498010 A ES498010 A ES 498010A ES 8200623 A1 ES8200623 A1 ES 8200623A1
Authority
ES
Spain
Prior art keywords
manufacture
sulfur dioxide
sulfur
oleum
reacted
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES498010A
Other languages
English (en)
Other versions
ES498010A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of ES8200623A1 publication Critical patent/ES8200623A1/es
Publication of ES498010A0 publication Critical patent/ES498010A0/es
Granted legal-status Critical Current

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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

PROCEDIMIENTO DE PRODUCCION DE DIOXIDO DE AZUFRE. CONSISTE EN ALIMENTAR DE FORMA CONTINUA AZUFRE FUNDIDO Y UNA CANTIDAD ESTEQUIOMETRICA DE ANHIDRIDO SULFURICO LIQUIDO EN UN MEDIO DE ACIDO SULFURICO. LA REACCION SE PRODUCE A UNA TEMPERATURA DE 50-200 C. Y A UNA PRESION DE 483-3447 KPA, AGITANDO CONTINUAMENTE. EL ANHIDRIDO SULFUROSO SE RETIRA POR LA PARTE SUPERIOR Y SE PURIFICA PARA ELIMINAR EL ANHIDRIDO SULFURICO EXISTENTE.
ES498010A 1979-12-21 1980-12-19 Mejoras introducidas en un procedimiento continuo de obten- cion de so2 Granted ES498010A0 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10625379A 1979-12-21 1979-12-21
US18824080A 1980-09-26 1980-09-26

Publications (2)

Publication Number Publication Date
ES8200623A1 true ES8200623A1 (es) 1981-11-16
ES498010A0 ES498010A0 (es) 1981-11-16

Family

ID=26803466

Family Applications (1)

Application Number Title Priority Date Filing Date
ES498010A Granted ES498010A0 (es) 1979-12-21 1980-12-19 Mejoras introducidas en un procedimiento continuo de obten- cion de so2

Country Status (6)

Country Link
EP (1) EP0031666B1 (es)
AU (1) AU539659B2 (es)
CA (1) CA1169228A (es)
DE (1) DE3069088D1 (es)
ES (1) ES498010A0 (es)
MX (1) MX157311A (es)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE551686C (de) * 1931-02-05 1932-06-04 I G Farbenindustrie Akt Ges Gewinnung von reinem Schwefeldioxyd
US2813007A (en) * 1953-08-12 1957-11-12 Allied Chem & Dye Corp Manufacture of sulfur dioxide from sulfur and sulfur trioxide
CH477364A (de) * 1967-06-16 1969-08-31 Schweizerhall Saeurefab Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Schwefeldioxyd hoher Reinheit

Also Published As

Publication number Publication date
MX157311A (es) 1988-11-15
CA1169228A (en) 1984-06-19
DE3069088D1 (en) 1984-10-04
EP0031666A1 (en) 1981-07-08
ES498010A0 (es) 1981-11-16
AU6560880A (en) 1981-06-25
EP0031666B1 (en) 1984-08-29
AU539659B2 (en) 1984-10-11

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506