RU93002793A - METHOD OF OBTAINING SULFURIC ACID WITH CLOSED GAS CIRCULATION ON SULFUR DIOXIDE - Google Patents

METHOD OF OBTAINING SULFURIC ACID WITH CLOSED GAS CIRCULATION ON SULFUR DIOXIDE

Info

Publication number
RU93002793A
RU93002793A RU93002793/26A RU93002793A RU93002793A RU 93002793 A RU93002793 A RU 93002793A RU 93002793/26 A RU93002793/26 A RU 93002793/26A RU 93002793 A RU93002793 A RU 93002793A RU 93002793 A RU93002793 A RU 93002793A
Authority
RU
Russia
Prior art keywords
sulfuric acid
sulfur dioxide
sulfur
gas circulation
closed gas
Prior art date
Application number
RU93002793/26A
Other languages
Russian (ru)
Other versions
RU2027665C1 (en
Inventor
А.И. Кобяков
А.А. Кобяков
Original Assignee
А.И. Кобяков
А.А. Кобяков
Filing date
Publication date
Application filed by А.И. Кобяков, А.А. Кобяков filed Critical А.И. Кобяков
Priority to RU93002793A priority Critical patent/RU2027665C1/en
Priority claimed from RU93002793A external-priority patent/RU2027665C1/en
Application granted granted Critical
Publication of RU2027665C1 publication Critical patent/RU2027665C1/en
Publication of RU93002793A publication Critical patent/RU93002793A/en

Links

Claims (1)

Изобретение относится к технологии получения серной кислоты и может быть использовано в химической промышленности. Изобретение позволяет повысить экологическую безопасность сернокислотных производств. Для этого из отдуваемого рециркулируемого газа путем снижения выделяют диоксид серы, отделяют его и возвращают на переработку. Подачу кислорода определяют по материальному балансу процессов сжигания серы (серосодержащего сырья) и оксисления диоксида серы с учетом содержания кислорода в рециркулируемом газе, а отводимую часть рециркулируемого газа определяют по разности текущего и заданного значений расходов рецикла и тем самым обеспечивают стабильность режимов системы с замкнутым по диоксиду серы газооборотом.The invention relates to the technology of sulfuric acid and can be used in the chemical industry. The invention allows to improve the environmental safety of sulfuric acid production. To this end, sulfur dioxide is emitted from the recycle gas that is blown out by way of reduction, is separated and recycled. Oxygen supply is determined by the material balance of sulfur burning processes (sulfur-containing raw materials) and sulfur dioxide oxidation taking into account the oxygen content in the recirculated gas, and the withdrawn part of the recirculated gas is determined by the difference between the current and set values of recycling costs and thus ensure the stability of the system with dioxid sulfur gas circulation.
RU93002793A 1993-01-12 1993-01-12 Method of sulfur acid producing RU2027665C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93002793A RU2027665C1 (en) 1993-01-12 1993-01-12 Method of sulfur acid producing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93002793A RU2027665C1 (en) 1993-01-12 1993-01-12 Method of sulfur acid producing

Publications (2)

Publication Number Publication Date
RU2027665C1 RU2027665C1 (en) 1995-01-27
RU93002793A true RU93002793A (en) 1995-10-10

Family

ID=20135803

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93002793A RU2027665C1 (en) 1993-01-12 1993-01-12 Method of sulfur acid producing

Country Status (1)

Country Link
RU (1) RU2027665C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781216B1 (en) * 1998-07-17 2000-08-18 Air Liquide PROCESS AND DEVICE FOR PRODUCING SULFURIC ACID

Similar Documents

Publication Publication Date Title
DE69401076D1 (en) Process for the production of chlorine dioxide
GB1517645A (en) Method of removing sulphur dioxide from flue gases
DE69232605D1 (en) Processing of gas flows
GR3015893T3 (en) Process for the removal of sulfur dioxide from waste gas.
RO84467A (en) PROCESS FOR SULFURIC ACID PRODUCTION
ES486477A1 (en) Process of producing sulfuric acid
RU93002793A (en) METHOD OF OBTAINING SULFURIC ACID WITH CLOSED GAS CIRCULATION ON SULFUR DIOXIDE
WO1987001695A3 (en) Vanillin production process
BR8502284A (en) IMPROVEMENT IN A PROCESS FOR THE PRODUCTION OF A WATER INSOLUBLE PEROXICARBOXYLIC ACID
KR960017502A (en) Oxidation Method of Hydrogen Chloride
NO904104D0 (en) PROCEDURE FOR THE RECOVERY OF SULFURIC ACID.
RU93035262A (en) METHOD OF PREPARATION OF HYDROGEN HYDROGEN-CONTAINING OIL
GB811058A (en) Method of producing concentrated sulphuric acid and oleum from gases containing hydrogen sulphide
DE69108671D1 (en) Process for the treatment of gases containing sulfur dioxide.
DE59600021D1 (en) Process for the production of viscose products
SU1625896A1 (en) Blister copper production method
JPS54129751A (en) Disposal of waste sulfide solution containing organic substance
DE59912277D1 (en) METHOD FOR REMOVING NITROGEN OXIDES FROM NITROSYL SULFURIC ACID
SE8402092L (en) PROCEDURE FOR EXPLORING LOW Sulfur Dioxide Content from Exhaust Gas
TH25952A (en) Biological solids co-incinerated in used sulfuric acid
GB1249573A (en) Purification of acid mine water
GB838680A (en) Process for the production of dialkyl sulphoxides