GB553388A - Manufacture of sulphuric acid by the contact system - Google Patents

Manufacture of sulphuric acid by the contact system

Info

Publication number
GB553388A
GB553388A GB719/42A GB71942A GB553388A GB 553388 A GB553388 A GB 553388A GB 719/42 A GB719/42 A GB 719/42A GB 71942 A GB71942 A GB 71942A GB 553388 A GB553388 A GB 553388A
Authority
GB
United Kingdom
Prior art keywords
sulphuric acid
pyrites
drier
gases
dried
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
GB719/42A
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.)
NAT PROCESSES Ltd
Original Assignee
NAT PROCESSES Ltd
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 NAT PROCESSES Ltd filed Critical NAT PROCESSES Ltd
Priority to GB719/42A priority Critical patent/GB553388A/en
Publication of GB553388A publication Critical patent/GB553388A/en
Expired 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
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fertilizers (AREA)

Abstract

553,388. Sulphuric acid. ROBSON, S., and NATIONAL PROCESSES, Ltd. Jan. 17, 1942, No. 719. [Classes 1 (i) and 1 (ii)] Sulphur dioxide obtained by burning pyrites &c. is subjected to dry purification and cooled to 100-120‹ C. before use in the contact process of producing sulphuric acid. Preferably the pyrites and the combustion air are dried. The Figure illustrates a plant in which pyrites from a bin 2 are dried in a drier 3 and burned in a flash roasting plant 1 supplied with air from a drier 8. The gases of combustion are passed through a cyclone 9, waste heat boiler 10, electrostatic precipitator 11 and cooler 12 where arsenious oxide is condensed at about 100‹ C. In chamber 13 any sulphur trioxide present is neutralized by injecting lime dust, and the gases then pass through a bag filter 14 to the converter 16.
GB719/42A 1942-01-17 1942-01-17 Manufacture of sulphuric acid by the contact system Expired GB553388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB719/42A GB553388A (en) 1942-01-17 1942-01-17 Manufacture of sulphuric acid by the contact system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB719/42A GB553388A (en) 1942-01-17 1942-01-17 Manufacture of sulphuric acid by the contact system

Publications (1)

Publication Number Publication Date
GB553388A true GB553388A (en) 1943-05-19

Family

ID=9709331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB719/42A Expired GB553388A (en) 1942-01-17 1942-01-17 Manufacture of sulphuric acid by the contact system

Country Status (1)

Country Link
GB (1) GB553388A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1117551B (en) * 1959-03-07 1961-11-23 Bayer Ag Process for cooling arsenic-containing roast gases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1117551B (en) * 1959-03-07 1961-11-23 Bayer Ag Process for cooling arsenic-containing roast gases

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