C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/111, 23/387
C01B 17/80 (2006.01) B01J 19/00 (2006.01) B01J 19/02 (2006.01) C22C 38/40 (2006.01) F28F 21/08 (2006.01)
Patent
CA 1181569
Abstract Apparatus and process for the manufacture of sulphuric acid by the contact process of the type com- prising at least one gas-concentrated sulphuric acid contacting unit and a sulphuric acid heat exchanger characterised in that the contacting unit and/or heat exchanger is formed of high silicon content austenitic steel. The steel is also of use in sulphuric acid con- centrators. Reduced corrosion rates are provided.
404962
Jones Frederick W.s.
Smith Frank
Barlow Charles Brian
C-I-L Inc.
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