BE807902A - Procede de traitement d'hydrogels - Google Patents

Procede de traitement d'hydrogels

Info

Publication number
BE807902A
BE807902A BE138246A BE138246A BE807902A BE 807902 A BE807902 A BE 807902A BE 138246 A BE138246 A BE 138246A BE 138246 A BE138246 A BE 138246A BE 807902 A BE807902 A BE 807902A
Authority
BE
Belgium
Prior art keywords
treatment process
hydrogel treatment
hydrogel
treatment
Prior art date
Application number
BE138246A
Other languages
English (en)
French (fr)
Inventor
R E Dietz
J A Delap
Original Assignee
Phillips Petroleum 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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of BE807902A publication Critical patent/BE807902A/xx

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
    • C01B33/16—Preparation of silica xerogels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D12/00—Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid
    • 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
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0052—Preparation of gels
    • B01J13/0056—Preparation of gels containing inorganic material and water
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silicon Compounds (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
BE138246A 1972-11-29 1973-11-28 Procede de traitement d'hydrogels BE807902A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US310450A US3890249A (en) 1972-11-29 1972-11-29 Silica preparation

Publications (1)

Publication Number Publication Date
BE807902A true BE807902A (fr) 1974-05-28

Family

ID=23202554

Family Applications (1)

Application Number Title Priority Date Filing Date
BE138246A BE807902A (fr) 1972-11-29 1973-11-28 Procede de traitement d'hydrogels

Country Status (12)

Country Link
US (1) US3890249A (de)
JP (1) JPS5343159B2 (de)
BE (1) BE807902A (de)
CA (1) CA1002418A (de)
DE (1) DE2359582C3 (de)
ES (1) ES420840A1 (de)
FR (1) FR2252127B1 (de)
GB (1) GB1431975A (de)
IT (1) IT1002018B (de)
SE (1) SE390530B (de)
YU (1) YU298873A (de)
ZA (1) ZA735131B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042769A (en) * 1975-03-12 1977-08-16 Gulf Research & Development Company Catalysts for the polymerization of ethylene
US4053436A (en) * 1975-08-26 1977-10-11 Phillips Petroleum Company Spray dried titanium-containing catalyst for stress crack resistant polymer
US4081407A (en) * 1976-03-18 1978-03-28 Phillips Petroleum Company Catalyst support prepared by alcohol treatment of hydrogels
US4169926A (en) * 1978-01-16 1979-10-02 Phillips Petroleum Company Inorganic hydrogels and uses thereof
US4247421A (en) * 1979-05-03 1981-01-27 Phillips Petroleum Company Activation of supported chromium oxide catalysts
US4436883A (en) 1982-01-20 1984-03-13 Phillips Petroleum Company Polymerization using a support formed by heating silica gel in inert atmosphere
US4717708A (en) * 1983-12-27 1988-01-05 Stauffer Chemical Company Inorganic oxide aerogels and their preparation
JPS59177831U (ja) * 1984-04-25 1984-11-28 三菱電機株式会社 磁性粒子式電磁連結装置
GB2188310A (en) * 1986-03-27 1987-09-30 Shell Int Research A process for the preparation of silica particles
GB2189780A (en) * 1986-04-22 1987-11-04 Shell Int Research A process for the preparation of alumina spheres
DE19538333A1 (de) * 1995-10-14 1997-04-17 Basf Ag Verfahren zur unterkritischen Herstellung von Aerogelen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1413457A (en) * 1917-11-12 1922-04-18 Du Pont Process of filtering
US2978298A (en) * 1956-09-04 1961-04-04 Gen Electric Process for producing hydrophobic aerogels
US3622521A (en) * 1967-08-21 1971-11-23 Phillips Petroleum Co Olefin polymerization with chromium and titanium-containing compounds
US3652214A (en) * 1968-08-06 1972-03-28 Nat Petro Chemicals Co Inc Preparation of silica gels
US3652215A (en) * 1968-08-06 1972-03-28 Nat Petro Chemicals Co Inc Preparation of silica gels
US3652216A (en) * 1968-10-11 1972-03-28 Nat Petro Chemicals Co Inc Preparation of silica gels

Also Published As

Publication number Publication date
IT1002018B (it) 1976-05-20
FR2252127A1 (de) 1975-06-20
JPS5343159B2 (de) 1978-11-17
FR2252127B1 (de) 1978-09-08
YU298873A (en) 1982-02-28
JPS4983697A (de) 1974-08-12
ES420840A1 (es) 1976-04-16
CA1002418A (en) 1976-12-28
SE390530B (sv) 1976-12-27
US3890249A (en) 1975-06-17
GB1431975A (en) 1976-04-14
ZA735131B (en) 1974-06-26
DE2359582B2 (de) 1981-01-08
DE2359582C3 (de) 1981-11-05
DE2359582A1 (de) 1974-06-20

Similar Documents

Publication Publication Date Title
BE783624A (fr) Procede de traitement des ordures
FR2292674A1 (fr) Procede de traitement des boues
BE811326A (fr) Procede de traitement
BE854400R (fr) Procede de traitement d'alliages cuivre-nickel-etain
BE795575A (fr) Procede de traitement de matieres keratiniques
FR2294152A1 (fr) Procede de production d'isoprene
BE790545A (fr) Procede de traitement d'hydrocarbures
BE827470A (fr) Procede de traitement de membranes
FR2345226A1 (fr) Procede de traitement antirouille
BE807902A (fr) Procede de traitement d'hydrogels
BE783222A (fr) Procede de production d'agents antibacteriens
BE798851R (fr) Procede pour le traitement de grains d'uree
BE745995A (fr) Procede de traitement de sulfures
BE844993A (fr) Procede de traitement de la mitraille
BE792262A (fr) Procede de traitement de la viande
BE804236A (fr) Procede d'extraction de polylactames
BE802509A (fr) Procede de traitement de minerals borocalcires
BE832516A (fr) Procede de traitement de montmorillonite
FR2302048A1 (fr) Procede de traitement de ma
BE827294A (fr) Procede d'hydrogenation de diacethoxybutene
BE789585A (fr) Procede de traitement d'effluents gazeux
BE798702A (fr) Procede de traitement de matieres fibreuses
BE819741A (fr) Procede de traitement de sulfures de metaux
FR2347932A1 (fr) Procede de traitement d'animaux
BE852320A (fr) Procede de traitement

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PHILLIPS PETROLEUM CY

Effective date: 19841128