BE622327A - - Google Patents

Info

Publication number
BE622327A
BE622327A BE622327DA BE622327A BE 622327 A BE622327 A BE 622327A BE 622327D A BE622327D A BE 622327DA BE 622327 A BE622327 A BE 622327A
Authority
BE
Belgium
Prior art keywords
silica
gases
water vapor
combustion
fuel
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE622327A publication Critical patent/BE622327A/fr

Links

Classifications

    • 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
    • C01B33/184—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 by hydrolysis of tetrafluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
BE622327D BE622327A (OSRAM)

Publications (1)

Publication Number Publication Date
BE622327A true BE622327A (OSRAM)

Family

ID=194956

Family Applications (1)

Application Number Title Priority Date Filing Date
BE622327D BE622327A (OSRAM)

Country Status (1)

Country Link
BE (1) BE622327A (OSRAM)

Similar Documents

Publication Publication Date Title
US5198206A (en) Condensing sulfuric acid vapors to produce sulfuric acid
AU2009202202A1 (en) Method for Treating Carbonaceous Materials
FR2527472A1 (fr) Procede pour eliminer les constituants acides (oxydes du soufre et oxydes de l'azote) de gaz brules
US3110562A (en) Process for recovery of hf and sio2 from waste gases
JP2671980B2 (ja) 廃棄物処理
CA2699240C (fr) Procede de desulfuration d'un effluent gazeux comportant un dispositif d'analyse en ligne et de controle
NO306772B1 (no) Fremgangsmåte for gjenvinning av svovelsyre
HU214012B (en) Process and arrangement for scrubbing fuel gas
US1990233A (en) Manufacture of phosphoric acid
EP3700660A1 (fr) Procédé de démercurisation d'effluents gazeux
US20070092425A1 (en) Process for purifying inorganic materials
FR2690934A1 (fr) Procédé de récupération et de réutilisation du soufre dans la fabrication de pâte chimique au sulfate.
EP2711069B1 (fr) Procédé et installation d'épuration de fumées et de production d'électricité
BE622595A (OSRAM)
BE726362A (OSRAM)
NO132874B (OSRAM)
FR2659954A1 (fr) Procede de preparation d'acide phosphorique.
BE444356A (OSRAM)
BE444877A (OSRAM)
BE541143A (OSRAM)
PL98067B1 (pl) Sposob jednoczesnego zatezania i oczyszczania kwasu fosforowego
BE723629A (OSRAM)
BE416495A (OSRAM)
BE350772A (OSRAM)
BE422997A (OSRAM)