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
  • B01D53/8659—Removing halogens or halogen compounds
  • B01D53/8662—Organic halogen compounds
• • 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
  • B01D53/46—Removing components of defined structure
  • B01D53/68—Halogens or halogen compounds
  • B01D53/70—Organic halogen compounds
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
  • C01B13/14—Methods for preparing oxides or hydroxides in general
  • C01B13/20—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state
  • C01B13/22—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B33/00—Silicon; Compounds thereof
  • C01B33/113—Silicon oxides; Hydrates thereof
  • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
  • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
  • C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
  • C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B7/00—Halogens; Halogen acids
  • C01B7/01—Chlorine; Hydrogen chloride
  • C01B7/03—Preparation from chlorides
  • C01B7/035—Preparation of hydrogen chloride from chlorides
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
  • C01P2004/00—Particle morphology
  • C01P2004/60—Particles characterised by their size
  • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Engineering & Computer Science (AREA)
• Inorganic Chemistry (AREA)
• Environmental & Geological Engineering (AREA)
• General Chemical & Material Sciences (AREA)
• Biomedical Technology (AREA)
• Analytical Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Treating Waste Gases (AREA)
• Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
• Catalysts (AREA)
• Exhaust Gas Treatment By Means Of Catalyst (AREA)
• Silicon Compounds (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=27117598

Family Applications (1)

Country Status (19)

Families Citing this family (3)

Family Cites Families (4)

• 1978
  • 1978-01-09 SE SE7800178A patent/SE424507B/sv unknown
  • 1978-01-10 GB GB899/78A patent/GB1588211A/en not_active Expired
  • 1978-01-12 NZ NZ186211A patent/NZ186211A/xx unknown
  • 1978-01-13 IN IN33/DEL/78A patent/IN147852B/en unknown
  • 1978-01-19 GR GR55204A patent/GR70057B/el unknown
  • 1978-01-20 AU AU32604/78A patent/AU512584B2/en not_active Expired
  • 1978-01-25 NO NO780275A patent/NO146228C/no unknown
  • 1978-01-31 YU YU00219/78A patent/YU21978A/xx unknown
  • 1978-02-02 DE DE19782804742 patent/DE2804742A1/de not_active Ceased
  • 1978-02-02 NL NL7801208A patent/NL7801208A/nl not_active Application Discontinuation
  • 1978-02-02 CA CA296,047A patent/CA1103901A/en not_active Expired
  • 1978-02-02 JP JP1104178A patent/JPS53124162A/ja active Granted
  • 1978-02-02 IT IT7847877A patent/IT1104157B/it active
  • 1978-02-03 DD DD78203542A patent/DD134731A5/xx unknown
  • 1978-02-03 CH CH123378A patent/CH627663A5/fr not_active IP Right Cessation
  • 1978-02-03 RO RO7893092A patent/RO76384A/ro unknown
  • 1978-02-03 PL PL1978204431A patent/PL110508B1/pl unknown
  • 1978-02-03 FR FR7803133A patent/FR2379312A1/fr active Granted
  • 1978-02-03 BR BR7800715A patent/BR7800715A/pt unknown

Also Published As

Similar Documents