NO20073922L - Agglomerater av presipitert silika, fremgangsmate for fremstilling og anvendelse av det som filtermedium ved gassfiltrering - Google Patents

Agglomerater av presipitert silika, fremgangsmate for fremstilling og anvendelse av det som filtermedium ved gassfiltrering

Info

Publication number
NO20073922L
NO20073922L NO20073922A NO20073922A NO20073922L NO 20073922 L NO20073922 L NO 20073922L NO 20073922 A NO20073922 A NO 20073922A NO 20073922 A NO20073922 A NO 20073922A NO 20073922 L NO20073922 L NO 20073922L
Authority
NO
Norway
Prior art keywords
precipitated silica
making
filter medium
gas filtration
silica agglomerates
Prior art date
Application number
NO20073922A
Other languages
English (en)
Other versions
NO341618B1 (no
Inventor
Sven-Peter Norberg
Jorgen Abrahamsson
Lars Gosta Lindahl
Original Assignee
Svenska Aerogel Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Svenska Aerogel Ab filed Critical Svenska Aerogel Ab
Publication of NO20073922L publication Critical patent/NO20073922L/no
Publication of NO341618B1 publication Critical patent/NO341618B1/no

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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
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    • B01D53/508—Sulfur oxides by treating the gases with solids
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    • B01D—SEPARATION
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
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    • B01D53/58—Ammonia
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    • B01J20/3028—Granulating, agglomerating or aggregating
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    • B01J2220/606—Use in several different columns parallel disposed columns

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Materials (AREA)
  • Silicon Compounds (AREA)

Abstract

Fremgangsmåte for fremstilling av et materiale som omfatter agglomererte partikler av presipitert silika, omfattende å tilberede en oppløsning av minst to metallsalter (Me), hvor metallionene er toverdige eller flerverdige. Det tilberedes en oppløsning av alkalimetall(M)-silikat med et molforhold Si02/M20 på 1-4. Oppløsningene blandes og blandingen omrøres, hvorved det øyeblikkelig dannes et koagulat. Koagulatet skylles, samles opp, avvannes, impregneres og bearbeides til et materiale med et tørrstofifmnhold på >75 %, fortrinnsvis >97 %. Det beskrives også et materiale fremstilt ved fremgangsmåten.
NO20073922A 2004-12-27 2007-07-26 Agglomerater av presipitert silika, fremgangsmåte for fremstilling av det som filtermedium ved gassfiltrering NO341618B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0403164A SE529160C2 (sv) 2004-12-27 2004-12-27 En metod för framställning av agglomerat av utfällt silikamaterial, ett mikroporöst material innefattande sådana agglomerat och användning därav
PCT/SE2005/002036 WO2006071183A1 (en) 2004-12-27 2005-12-23 Agglomerates of precipitated silica, method for their preparation and their use as filter medium in gas filtration

Publications (2)

Publication Number Publication Date
NO20073922L true NO20073922L (no) 2007-07-26
NO341618B1 NO341618B1 (no) 2017-12-11

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NO20073922A NO341618B1 (no) 2004-12-27 2007-07-26 Agglomerater av presipitert silika, fremgangsmåte for fremstilling av det som filtermedium ved gassfiltrering

Country Status (7)

Country Link
US (2) US7736611B2 (no)
EP (1) EP1838435B1 (no)
CN (1) CN101132856B (no)
CA (1) CA2592619C (no)
NO (1) NO341618B1 (no)
SE (1) SE529160C2 (no)
WO (1) WO2006071183A1 (no)

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EP1838435B1 (en) 2017-01-25
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WO2006071183A1 (en) 2006-07-06
SE0403164D0 (sv) 2004-12-27
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