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
  • C01B17/765—Multi-stage SO3-conversion

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Catalysts (AREA)
• Exhaust Gas Treatment By Means Of Catalyst (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6598267

Family Applications (1)

Country Status (3)

• 0
  • BE BE502582D patent/BE502582A/xx unknown
  • NL NL76190D patent/NL76190C/xx active
• 1951
  • 1951-04-17 GB GB8935/51A patent/GB687444A/en not_active Expired

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