RO72326A - Procedeu pentru compactarea prafului de silice - Google Patents

Procedeu pentru compactarea prafului de silice

Info

Publication number
RO72326A
RO72326A RO9010277A RO9010277A RO72326A RO 72326 A RO72326 A RO 72326A RO 9010277 A RO9010277 A RO 9010277A RO 9010277 A RO9010277 A RO 9010277A RO 72326 A RO72326 A RO 72326A
Authority
RO
Romania
Prior art keywords
silic
compilation
wave
silic wave
Prior art date
Application number
RO9010277A
Other languages
English (en)
French (fr)
Romanian (ro)
Inventor
Ole A Kongsgaarden
Original Assignee
Elkem Spigerverket As,No
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 Elkem Spigerverket As,No filed Critical Elkem Spigerverket As,No
Publication of RO72326A publication Critical patent/RO72326A/ro

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
    • C01B33/02—Silicon
    • C01B33/021—Preparation
    • C01B33/023—Preparation by reduction of silica or free silica-containing material
    • C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/146—Silica fume
    • C04B18/147—Conditioning
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
  • Processing Of Solid Wastes (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
RO9010277A 1976-04-27 1977-04-20 Procedeu pentru compactarea prafului de silice RO72326A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO761435 1976-04-27

Publications (1)

Publication Number Publication Date
RO72326A true RO72326A (ro) 1981-06-30

Family

ID=19882874

Family Applications (1)

Application Number Title Priority Date Filing Date
RO9010277A RO72326A (ro) 1976-04-27 1977-04-20 Procedeu pentru compactarea prafului de silice

Country Status (23)

Country Link
US (1) US4126424A (en, 2012)
JP (1) JPS52131995A (en, 2012)
AR (1) AR210396A1 (en, 2012)
AU (1) AU500946B2 (en, 2012)
BE (1) BE853611A (en, 2012)
BR (1) BR7702617A (en, 2012)
CA (1) CA1085140A (en, 2012)
CH (1) CH631419A5 (en, 2012)
CS (1) CS200512B2 (en, 2012)
DE (1) DE2717921C3 (en, 2012)
EG (1) EG12488A (en, 2012)
ES (1) ES458185A1 (en, 2012)
FI (1) FI771302A7 (en, 2012)
FR (1) FR2349539A1 (en, 2012)
HU (1) HU176513B (en, 2012)
IN (1) IN143564B (en, 2012)
IT (1) IT1076704B (en, 2012)
PH (1) PH11878A (en, 2012)
PT (1) PT66403B (en, 2012)
RO (1) RO72326A (en, 2012)
SE (1) SE7704589L (en, 2012)
TR (1) TR19321A (en, 2012)
ZA (1) ZA772004B (en, 2012)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248600A (en) * 1978-05-30 1981-02-03 J. M. Huber Corporation High solids aqueous silica dispersion
DE2844459A1 (de) * 1978-10-12 1980-04-24 Wacker Chemie Gmbh Verfahren zum erhoehen des schuettgewichts von siliciumdioxyd und eine verwendung des erfindungsgemaess behandelten siliciumdioxyds
US4495162A (en) * 1981-09-04 1985-01-22 A/S Niro Atomizer Preparation of a calcium sulfate anhydrite material of low chloride content
US5275652A (en) * 1982-12-07 1994-01-04 Elkem Materials Inc. Concrete additive comprising a multicomponent admixture containing silica fume, its method of manufacture and concrete produced therewith
JPH0639343B2 (ja) * 1986-03-03 1994-05-25 電気化学工業株式会社 シリカ質微粉末造粒品
DE3741846A1 (de) * 1987-02-26 1989-01-26 Degussa Verfahren zum verdichten von pyrogen hergestellter kieselsaeure
GB8904273D0 (en) * 1989-02-24 1989-04-12 Sandoz Ltd Improvements in or relating to chemical compounds
US5160470A (en) * 1992-05-20 1992-11-03 Dow Corning Corporation Method for compacting silica fume
FR2753110B1 (fr) * 1996-09-12 1998-10-23 Pechiney Electrometallurgie Poudre dense a base de poussieres de silice
FR2753637B1 (fr) * 1996-09-20 1998-12-11 Procede pour faciliter le stockage et l'ecoulement des fumees de silice, fumees de silice traitees selon le procede et application a la preparation d'un mortier ou un beton
RU2139245C1 (ru) * 1998-08-25 1999-10-10 Институт химии твердого тела и механохимии СО РАН Способ уплотнения кремнеземной пыли
US6156285A (en) * 1998-11-12 2000-12-05 Dow Corning Corporation Method for densifying particulate silica
NO314542B1 (no) * 1999-03-04 2003-04-07 Elkem Materials Fremgangsmåte for fremstilling av microsilica med kontrollert bulktetthet
RU2218371C2 (ru) * 1999-03-10 2003-12-10 Итака, Инновасионес Текникас Апликадас А Серамикас Авансадос, С.А. Пигменты на основе кремнезема и оксида железа и способ их получения
FR2807022B1 (fr) * 2000-03-28 2002-05-10 Pechiney Electrometallurgie Procede de recuperation de l'energie thermique des gaz d'un four d'electrometallurgie et application a la fabrication de poudre de silice
US7156174B2 (en) 2004-01-30 2007-01-02 Halliburton Energy Services, Inc. Contained micro-particles for use in well bore operations

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511088A (en) * 1948-01-16 1950-06-13 Texas Co Process for pelleting carbon black
US2689973A (en) * 1951-11-28 1954-09-28 Janette B Pawel Method and apparatus for contacting solids with gases
DE1567440B1 (de) * 1965-04-29 1971-02-25 Degussa Kugelfoermiges kieselsaeuregranulat
DE1567490C3 (de) * 1966-08-05 1973-12-13 Elektroschmelzwerk Kempten Gmbh, 8000 Muenchen Verfahren zur Herstellung von feinverteiltem Sihciumdioxyd
US3645684A (en) * 1970-07-01 1972-02-29 Cities Service Co Fractionation of silica aerosols
ZA722159B (en) * 1971-04-26 1973-11-28 Elkem As Method of treating sio2-dust
US4053375A (en) * 1976-07-16 1977-10-11 Dorr-Oliver Incorporated Process for recovery of alumina-cryolite waste in aluminum production

Also Published As

Publication number Publication date
BE853611A (fr) 1977-08-01
TR19321A (tr) 1978-11-28
IN143564B (en, 2012) 1977-12-24
JPS5525127B2 (en, 2012) 1980-07-03
CS200512B2 (en) 1980-09-15
IT1076704B (it) 1985-04-27
SE7704589L (sv) 1977-10-28
ES458185A1 (es) 1978-08-16
FI771302A7 (en, 2012) 1977-10-28
PH11878A (en) 1978-08-11
AU500946B2 (en) 1979-06-07
JPS52131995A (en) 1977-11-05
PT66403A (en) 1977-05-01
DE2717921B2 (de) 1978-11-09
FR2349539B1 (en, 2012) 1980-01-18
ZA772004B (en) 1978-11-29
US4126424A (en) 1978-11-21
DE2717921C3 (de) 1979-07-05
AR210396A1 (es) 1977-07-29
EG12488A (en) 1979-03-31
HU176513B (en) 1981-03-28
BR7702617A (pt) 1978-05-16
FR2349539A1 (fr) 1977-11-25
DE2717921A1 (de) 1977-11-03
CH631419A5 (de) 1982-08-13
PT66403B (en) 1978-09-13
CA1085140A (en) 1980-09-09
AU2456377A (en) 1978-11-02

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