Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
  • B01D53/34—Chemical or biological purification of waste gases
  • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
  • B01D53/86—Catalytic processes
  • B01D53/8603—Removing sulfur compounds
  • B01D53/8612—Hydrogen sulfide
  • B01D53/8615—Mixtures of hydrogen sulfide and sulfur oxides
• • 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
  • C01B17/02—Preparation of sulfur; Purification
  • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
  • C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
  • C01B17/0426—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process characterised by the catalytic conversion
  • C01B17/0439—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process characterised by the catalytic conversion at least one catalyst bed operating below the dew-point of sulfur
• • 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
  • C01B17/02—Preparation of sulfur; Purification
  • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
  • C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
  • C01B17/0456—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process the hydrogen sulfide-containing gas being a Claus process tail gas

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Organic Chemistry (AREA)
• Environmental & Geological Engineering (AREA)
• Inorganic Chemistry (AREA)
• Materials Engineering (AREA)
• Health & Medical Sciences (AREA)
• Biomedical Technology (AREA)
• Analytical Chemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Catalysts (AREA)
• Exhaust Gas Treatment By Means Of Catalyst (AREA)
• Treating Waste Gases (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8224151

Family Applications (1)

Country Status (16)

Families Citing this family (8)

Family Cites Families (2)

• 1997
  • 1997-07-01 ZA ZA9705859A patent/ZA975859B/en unknown
  • 1997-07-04 AR ARP970103010A patent/AR007727A1/en unknown
  • 1997-07-07 SK SK21-99A patent/SK2199A3/en unknown
  • 1997-07-07 AU AU33612/97A patent/AU3361297A/en not_active Abandoned
  • 1997-07-07 EA EA199900090A patent/EA199900090A1/en unknown
  • 1997-07-07 BR BR9710240-7A patent/BR9710240A/en not_active Application Discontinuation
  • 1997-07-07 CA CA002259946A patent/CA2259946A1/en not_active Abandoned
  • 1997-07-07 WO PCT/NL1997/000392 patent/WO1998001387A1/en not_active Application Discontinuation
  • 1997-07-07 PL PL97331044A patent/PL331044A1/en unknown
  • 1997-07-07 HU HU9904020A patent/HUP9904020A3/en unknown
  • 1997-07-07 JP JP10505090A patent/JP2000514389A/en active Pending
  • 1997-07-07 CN CN97197730A patent/CN1230158A/en active Pending
  • 1997-07-07 EP EP97929589A patent/EP0910545A1/en not_active Withdrawn
  • 1997-07-07 CZ CZ9948A patent/CZ4899A3/en unknown
  • 1997-07-08 ID IDP972355A patent/ID18897A/en unknown
  • 1997-08-27 TW TW086109609A patent/TW382617B/en active

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