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Dr C Otto and Co GmbH
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Dr C Otto and Co GmbH
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Application grantedgrantedCritical
Publication of FR700268ApublicationCriticalpatent/FR700268A/en
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
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Inorganic Chemistry
(AREA)
Physical Or Chemical Processes And Apparatus
(AREA)
FR700268D1930-04-281930-04-28
Process for the production of sulfuric acid from exhaust gases of ammonia saturators, containing hydrogen sulphide
ExpiredFR700268A
(en)