GB443674A - Improvements in and apparatus for the manufacture and production of oleum - Google Patents

Improvements in and apparatus for the manufacture and production of oleum

Info

Publication number
GB443674A
GB443674A GB14584/35A GB1458435A GB443674A GB 443674 A GB443674 A GB 443674A GB 14584/35 A GB14584/35 A GB 14584/35A GB 1458435 A GB1458435 A GB 1458435A GB 443674 A GB443674 A GB 443674A
Authority
GB
United Kingdom
Prior art keywords
cooling
cooled
oleum
sulphur trioxide
tubes
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
GB14584/35A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB443674A publication Critical patent/GB443674A/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
    • C01B17/80—Apparatus
    • C01B17/806—Absorbers; Heat exchangers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

<PICT:0443674/III/1> In producing oleum by the absorption of sulphur trioxide in sulphuric acid, the downwardly flowing acid is brought into contact with gases comprising sulphur trioxide at first in a finely divided state without cooling and finally while cooling by contact with the inner surface of a bundle of vertical cooled tubes. As shown, sulphuric acid enters the absorber at g and passes down first through a column of ring-shaped filler bodies d resting on some layers of balls c and then through vertical externally cooled tubes b. Gases containing sulphur trioxide are introduced at h. The spent gases leave at k while the oleum formed leaves the tower at i. The tubes b are cooled by cooling liquid circulating through the chamber n. The tower and the supporting grate for the filler bodies may be lined with ceramic material. Cooling water or brine which has been treated to make it non-corrosive may be circulated through the chamber n, this cooling medium being itself cooled by means of available water in another cooler.
GB14584/35A 1934-05-24 1935-05-18 Improvements in and apparatus for the manufacture and production of oleum Expired GB443674A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE443674X 1934-05-24

Publications (1)

Publication Number Publication Date
GB443674A true GB443674A (en) 1936-03-04

Family

ID=6530766

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14584/35A Expired GB443674A (en) 1934-05-24 1935-05-18 Improvements in and apparatus for the manufacture and production of oleum

Country Status (1)

Country Link
GB (1) GB443674A (en)

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