BR7702616A - Processo destinado a aumentar o peso por volume de silica em po - Google Patents

Processo destinado a aumentar o peso por volume de silica em po

Info

Publication number
BR7702616A
BR7702616A BR7702616A BR7702616A BR7702616A BR 7702616 A BR7702616 A BR 7702616A BR 7702616 A BR7702616 A BR 7702616A BR 7702616 A BR7702616 A BR 7702616A BR 7702616 A BR7702616 A BR 7702616A
Authority
BR
Brazil
Prior art keywords
silica
volume
increase weight
weight
increase
Prior art date
Application number
BR7702616A
Other languages
English (en)
Portuguese (pt)
Inventor
O Kongsgaarden
Original Assignee
Elkem Spigerverket As
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 filed Critical Elkem Spigerverket As
Publication of BR7702616A publication Critical patent/BR7702616A/pt

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
    • 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
    • B01J2/12—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
  • Processing Of Solid Wastes (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Crushing And Grinding (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
BR7702616A 1976-04-27 1977-04-26 Processo destinado a aumentar o peso por volume de silica em po BR7702616A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO761434A NO761434L (no) 1976-04-27 1976-04-27 Fremgangsm}te for ¦kning av volumvekten av silikast¦v

Publications (1)

Publication Number Publication Date
BR7702616A true BR7702616A (pt) 1978-05-16

Family

ID=19882873

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7702616A BR7702616A (pt) 1976-04-27 1977-04-26 Processo destinado a aumentar o peso por volume de silica em po

Country Status (24)

Country Link
US (1) US4126423A (enExample)
JP (1) JPS52131996A (enExample)
AR (1) AR213201A1 (enExample)
AU (1) AU514157B2 (enExample)
BE (1) BE853610A (enExample)
BR (1) BR7702616A (enExample)
CA (1) CA1097033A (enExample)
CH (1) CH631137A5 (enExample)
CS (1) CS207452B1 (enExample)
DE (1) DE2717893C3 (enExample)
EG (1) EG12489A (enExample)
ES (1) ES458186A1 (enExample)
FI (1) FI771301A7 (enExample)
FR (1) FR2349540A1 (enExample)
HU (1) HU177304B (enExample)
IN (1) IN145511B (enExample)
IT (1) IT1075348B (enExample)
NO (1) NO761434L (enExample)
PH (1) PH13500A (enExample)
PL (1) PL117263B1 (enExample)
PT (1) PT66404B (enExample)
RO (1) RO72327A (enExample)
SE (1) SE7704588L (enExample)
ZA (1) ZA772005B (enExample)

Families Citing this family (13)

* 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
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
US5286470A (en) * 1990-03-01 1994-02-15 Unilever Patent Holdings B.V. Silicate products
US5393507A (en) * 1990-03-01 1995-02-28 Unilever Patent Holdings B.V. Silicate products
US5160470A (en) * 1992-05-20 1992-11-03 Dow Corning Corporation Method for compacting silica fume
DE4415362A1 (de) * 1994-05-02 1995-11-09 Henkel Kgaa Verfahren zur Herstellung silikatischer Buildergranulate mit erhöhtem Schüttgewicht
US6156285A (en) * 1998-11-12 2000-12-05 Dow Corning Corporation Method for densifying particulate silica
DE10129673C1 (de) * 2001-06-20 2003-03-20 Bayer Ag Einbauten in eine Vorrichtung zum Lackieren von stückigen Produkten
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
US1684006A (en) * 1920-10-04 1928-09-11 Bethlehem Steel Corp Treatment of ores
US2411873A (en) * 1944-06-15 1946-12-03 Erie Mining Co Process of molding balls
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
FR1544156A (fr) * 1967-09-20 1968-10-31 Pechiney Saint Gobain Corps agglomérés siliceux
US3645684A (en) * 1970-07-01 1972-02-29 Cities Service Co Fractionation of silica aerosols
CH585672A5 (enExample) * 1971-04-26 1977-03-15 Elkem As

Also Published As

Publication number Publication date
DE2717893A1 (de) 1977-11-03
AU2456477A (en) 1978-11-02
PL117263B1 (en) 1981-07-31
PH13500A (en) 1980-05-23
DE2717893B2 (de) 1978-10-26
EG12489A (en) 1979-03-31
DE2717893C3 (de) 1979-06-21
FI771301A7 (enExample) 1977-10-28
ES458186A1 (es) 1978-06-01
IT1075348B (it) 1985-04-22
ZA772005B (en) 1978-11-29
PT66404B (en) 1978-09-13
CS207452B1 (en) 1981-07-31
IN145511B (enExample) 1978-10-28
AU514157B2 (en) 1981-01-29
CA1097033A (en) 1981-03-10
BE853610A (fr) 1977-08-01
SE7704588L (sv) 1977-10-28
JPS5525128B2 (enExample) 1980-07-03
FR2349540A1 (fr) 1977-11-25
RO72327A (ro) 1981-05-15
US4126423A (en) 1978-11-21
CH631137A5 (de) 1982-07-30
HU177304B (en) 1981-09-28
AR213201A1 (es) 1978-12-29
JPS52131996A (en) 1977-11-05
PT66404A (en) 1977-05-01
FR2349540B1 (enExample) 1980-01-18
NO761434L (no) 1977-10-28

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