IT999560B - Procedimento per la preparazione di biossido di silicio avente proprieta a porte azione coagulante e tissotropica - Google Patents

Procedimento per la preparazione di biossido di silicio avente proprieta a porte azione coagulante e tissotropica

Info

Publication number
IT999560B
IT999560B IT6972673A IT6972673A IT999560B IT 999560 B IT999560 B IT 999560B IT 6972673 A IT6972673 A IT 6972673A IT 6972673 A IT6972673 A IT 6972673A IT 999560 B IT999560 B IT 999560B
Authority
IT
Italy
Prior art keywords
coagulating
procedure
preparation
silicon dioxide
action properties
Prior art date
Application number
IT6972673A
Other languages
English (en)
Italian (it)
Original Assignee
Lonza Ag
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 Lonza Ag filed Critical Lonza Ag
Application granted granted Critical
Publication of IT999560B publication Critical patent/IT999560B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J12/00Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
    • B01J12/002Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor carried out in the plasma state
    • 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
    • C01B33/181Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
    • C01B33/182Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by reduction of a siliceous material, e.g. with a carbonaceous reducing agent and subsequent oxidation of the silicon monoxide formed
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/80Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/82Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
    • 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
    • C01P2006/22Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
IT6972673A 1972-09-15 1973-09-14 Procedimento per la preparazione di biossido di silicio avente proprieta a porte azione coagulante e tissotropica IT999560B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1352672A CH569670A5 (nl) 1972-09-15 1972-09-15

Publications (1)

Publication Number Publication Date
IT999560B true IT999560B (it) 1976-03-10

Family

ID=4393185

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6972673A IT999560B (it) 1972-09-15 1973-09-14 Procedimento per la preparazione di biossido di silicio avente proprieta a porte azione coagulante e tissotropica

Country Status (10)

Country Link
JP (1) JPS4969582A (nl)
BE (1) BE804765A (nl)
CA (1) CA999721A (nl)
CH (1) CH569670A5 (nl)
DE (1) DE2337495A1 (nl)
FR (1) FR2200197A1 (nl)
GB (1) GB1401408A (nl)
IT (1) IT999560B (nl)
NL (1) NL7312575A (nl)
SE (1) SE388189B (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904199A1 (de) * 1979-02-05 1980-08-07 Degussa Verfahren zur gelenkten herstellung von kieselsaeure mittels flammenhydrolyse

Also Published As

Publication number Publication date
CH569670A5 (nl) 1975-11-28
FR2200197A1 (nl) 1974-04-19
CA999721A (en) 1976-11-16
BE804765A (fr) 1974-01-02
SE388189B (sv) 1976-09-27
GB1401408A (en) 1975-07-16
JPS4969582A (nl) 1974-07-05
NL7312575A (nl) 1974-03-19
DE2337495A1 (de) 1974-03-28

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