FR1424443A - Improved process for preparing silica and silica-alumina gels - Google Patents

Improved process for preparing silica and silica-alumina gels

Info

Publication number
FR1424443A
FR1424443A FR989838A FR989838A FR1424443A FR 1424443 A FR1424443 A FR 1424443A FR 989838 A FR989838 A FR 989838A FR 989838 A FR989838 A FR 989838A FR 1424443 A FR1424443 A FR 1424443A
Authority
FR
France
Prior art keywords
silica
improved process
preparing
alumina gels
gels
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR989838A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Priority to FR989838A priority Critical patent/FR1424443A/en
Application granted granted Critical
Publication of FR1424443A publication Critical patent/FR1424443A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • 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
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/157—After-treatment of gels
    • C01B33/158—Purification; Drying; Dehydrating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
FR989838A 1964-03-09 1964-09-30 Improved process for preparing silica and silica-alumina gels Expired FR1424443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR989838A FR1424443A (en) 1964-03-09 1964-09-30 Improved process for preparing silica and silica-alumina gels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35059164A 1964-03-09 1964-03-09
FR989838A FR1424443A (en) 1964-03-09 1964-09-30 Improved process for preparing silica and silica-alumina gels

Publications (1)

Publication Number Publication Date
FR1424443A true FR1424443A (en) 1966-01-14

Family

ID=26210257

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989838A Expired FR1424443A (en) 1964-03-09 1964-09-30 Improved process for preparing silica and silica-alumina gels

Country Status (1)

Country Link
FR (1) FR1424443A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939115A (en) * 1986-01-28 1990-07-03 W. R. Grace & Co.-Conn. Organic acid-treated amorphous silicas for refining glyceride oils

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939115A (en) * 1986-01-28 1990-07-03 W. R. Grace & Co.-Conn. Organic acid-treated amorphous silicas for refining glyceride oils

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