NL8201924A - Werkwijze voor het bereiden van zuiver siliciumdioxide met hoge mechanische sterkte, alsmede siliciumdioxide verkregen met deze werkwijze. - Google Patents

Werkwijze voor het bereiden van zuiver siliciumdioxide met hoge mechanische sterkte, alsmede siliciumdioxide verkregen met deze werkwijze. Download PDF

Info

Publication number
NL8201924A
NL8201924A NL8201924A NL8201924A NL8201924A NL 8201924 A NL8201924 A NL 8201924A NL 8201924 A NL8201924 A NL 8201924A NL 8201924 A NL8201924 A NL 8201924A NL 8201924 A NL8201924 A NL 8201924A
Authority
NL
Netherlands
Prior art keywords
silicon dioxide
process according
solution
weight
silica
Prior art date
Application number
NL8201924A
Other languages
English (en)
Dutch (nl)
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Priority to NL8201924A priority Critical patent/NL8201924A/nl
Priority to JP58081598A priority patent/JPS58208125A/ja
Priority to DE8383200672T priority patent/DE3373460D1/de
Priority to EP83200672A priority patent/EP0094138B1/de
Priority to US06/493,401 priority patent/US4473539A/en
Publication of NL8201924A publication Critical patent/NL8201924A/nl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/186Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof from or via fluosilicic acid or salts thereof by a wet process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08Silica
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/16Halides of ammonium
    • C01C1/162Ammonium fluoride
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/14Pore volume
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/16Pore diameter
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
NL8201924A 1982-05-11 1982-05-11 Werkwijze voor het bereiden van zuiver siliciumdioxide met hoge mechanische sterkte, alsmede siliciumdioxide verkregen met deze werkwijze. NL8201924A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL8201924A NL8201924A (nl) 1982-05-11 1982-05-11 Werkwijze voor het bereiden van zuiver siliciumdioxide met hoge mechanische sterkte, alsmede siliciumdioxide verkregen met deze werkwijze.
JP58081598A JPS58208125A (ja) 1982-05-11 1983-05-10 純粋な二酸化ケイ素の製造方法
DE8383200672T DE3373460D1 (en) 1982-05-11 1983-05-10 Process for preparing pure silicon dioxide having high mechanical strength, as well as silicon dioxide obtained by applying this process
EP83200672A EP0094138B1 (de) 1982-05-11 1983-05-10 Verfahren zur Herstellung von reinem Siliciumdioxid hoher mechanischer Festigkeit, sowie das nach diesem Verfahren erhaltene Siliciumdioxid
US06/493,401 US4473539A (en) 1982-05-11 1983-05-11 Process for preparing pure silicon dioxide having high mechanical strength as well as silicon dioxide obtained by applying this process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8201924A NL8201924A (nl) 1982-05-11 1982-05-11 Werkwijze voor het bereiden van zuiver siliciumdioxide met hoge mechanische sterkte, alsmede siliciumdioxide verkregen met deze werkwijze.
NL8201924 1982-05-11

Publications (1)

Publication Number Publication Date
NL8201924A true NL8201924A (nl) 1983-12-01

Family

ID=19839712

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8201924A NL8201924A (nl) 1982-05-11 1982-05-11 Werkwijze voor het bereiden van zuiver siliciumdioxide met hoge mechanische sterkte, alsmede siliciumdioxide verkregen met deze werkwijze.

Country Status (5)

Country Link
US (1) US4473539A (de)
EP (1) EP0094138B1 (de)
JP (1) JPS58208125A (de)
DE (1) DE3373460D1 (de)
NL (1) NL8201924A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0235419A1 (de) * 1986-03-04 1987-09-09 Union Oil Company Of California Schockgebrannter kalzinierter Silicakatalysator
GB8722459D0 (en) * 1987-09-24 1987-10-28 Shell Int Research Silica extrudates
US4981664A (en) * 1988-04-14 1991-01-01 International Minerals & Chemical Corporation Method of production of high purity silica and ammonium fluoride
US5028407A (en) * 1990-01-25 1991-07-02 International Minerals & Chemical Corp. Method of production of high purity fusible silica
JP2005162504A (ja) * 2003-11-28 2005-06-23 Tokuyama Corp 二元細孔シリカ粒子

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780522A (en) * 1953-12-17 1957-02-05 Int Minerals & Chem Corp Production of fluorine compounds
US3094381A (en) * 1958-03-21 1963-06-18 United Technical Ind Inc Production of ammonium fluoride from gaseous compounds of silicon and fluorine
US3271107A (en) * 1963-07-31 1966-09-06 Int Minerals & Chem Corp Silica pigments from fluosilicic acid
GB1121932A (en) * 1965-04-29 1968-07-31 Degussa A process for the production of a globular or spherical silica granulate
FR1528785A (fr) * 1967-04-26 1968-06-14 Pechiney Saint Gobain Corps poreux de silice
US3794713A (en) * 1968-08-06 1974-02-26 Nat Petro Chem Preparation of silica gels
DE2121152B2 (de) * 1971-04-29 1977-03-17 Verfahren zur gewinnung von aktivem siliciumdioxid
US3935299A (en) * 1972-05-11 1976-01-27 Andrei Vladimirovich Kiselev Process for preparation of wide-pore adsorbent for use in chromatography
DE2347485C3 (de) * 1973-09-21 1980-09-04 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Ammoniumfluorid aus Kieselfluorwasserstoffsäure
US4256682A (en) * 1980-03-05 1981-03-17 W. R. Grace & Co. Method of preparing silica gel pellets

Also Published As

Publication number Publication date
DE3373460D1 (en) 1987-10-15
EP0094138B1 (de) 1987-09-09
JPS58208125A (ja) 1983-12-03
EP0094138A1 (de) 1983-11-16
US4473539A (en) 1984-09-25

Similar Documents

Publication Publication Date Title
US4495167A (en) Precipitated silicas having high structure and process for their preparation
JP3971047B2 (ja) 希土類燐酸塩及びそれから得られた生成物
US4552700A (en) Organopolysiloxanes containing sulphonate groups, method for the production and use thereof
KR100427005B1 (ko) 구상으로 응집된 염기성 탄산코발트(ii) 및 구상으로 응집된 수산화코발트(ii), 그의 제조방법 및 그의 용도
JPH0699135B2 (ja) 球状シリカゲルの製造法
NL8201924A (nl) Werkwijze voor het bereiden van zuiver siliciumdioxide met hoge mechanische sterkte, alsmede siliciumdioxide verkregen met deze werkwijze.
EP0255395A1 (de) Katalysator für die Herstellung von alpha,beta-äthylenisch ungesättigten Monocarboxylsäuren
CA1093535A (en) Process for processing silicon-dioxide-containing air- borne waste fines to crystalline type-y molecular sieves having a faujasite structure
US5236681A (en) Layered silicate
US5085705A (en) Alumina-silica-sulfates, method of preparation and compositions
EP0309048B1 (de) Silica-Extrudate
US4255276A (en) Silicatic complexing agent for alkaline earth ions and method of preparing same
CN101462739A (zh) 红辉沸石制备4a沸石分子筛的方法
NL8201925A (nl) Werkwijze voor het bereiden van zuiver siliciumdioxide, alsmede siliciumdioxide verkregen met deze werkwijze.
KR101033660B1 (ko) 젖산 에스테르의 탈수 반응용 인산칼슘-실리카 촉매 및 그의 제조방법 및 이를 이용하여 젖산 에스테르로부터 아크릴계 화합물을 제조하는 방법
US3968197A (en) Process for treating sodium silico fluoride
US4419272A (en) Catalysts for the production of 2-cyanopyrazine
US4120940A (en) Direct production of coarse particle inorganic fluorides
US4693878A (en) Process for the production of soluble alkali silicates
CN1044634A (zh) 热液生产高硅钠比硅酸钠溶液的方法
JP2958338B2 (ja) 核酸合成用担体の製法
JPS6310093B2 (de)
JPH07138015A (ja) シリカ微小球状粒子およびその製造方法
EP3395762A1 (de) Verfahren zur herstellung von synthetischem hektorit bei niedriger temperatur und unter atmosphärendruck
JPH0132169B2 (de)

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BT A notification was added to the application dossier and made available to the public
A85 Still pending on 85-01-01
BV The patent application has lapsed