METHOD OF HIGH-PURITY SILICA PREPARATION Russian patent published in 2009 - IPC C01B33/02 C25B1/00 

Abstract RU 2355634 C1

FIELD: chemistry.

SUBSTANCE: invention can be applied in chemical and electronic industries. The silica is prepared by the electrolytic reduction of the ammonium silicofluoride water solution. The electrolysis is carried out in pH range 3-7.5.

EFFECT: invention allows to simplify the process scheme and to decrease the power consumption of the process and the product cost.

4 ex

Similar patents RU2355634C1

Title Year Author Number
METHOD FOR SYNTHESIS OF INORGANIC FLUORINE-CONTAINING COMPOUNDS 2004
  • Mel'Nichenko Evgenija Ivanovna
RU2278073C1
MINERAL DESILICONIZATION PROCESS 2005
  • Mel'Nichenko Evgenija Ivanovna
  • Ehpov Dantij Grigor'Evich
RU2317252C2
METHOD TO PROCESS TITANIUM-SILICON-CONTAINING STOCK 2008
  • Andreev Artem Andreevich
  • D'Jachenko Aleksandr Nikolaevich
RU2377332C2
METHOD FOR PROCESSING OF ZIRCONIUM CONCENTRATE 1993
  • Mel'Nichenko E.I.
  • Ehpov D.G.
  • Gordienko P.S.
  • Shkol'Nik Eh.L.
  • Nagorskij L.V.
  • Kozlenko I.A.
  • Buznik V.M.
RU2048559C1
AMORPHOUS SILICON DIOXIDE PREPARATION PROCESS 2005
  • Mel'Nichenko Evgenija Ivanovna
  • Ehpov Dantij Grigor'Evich
  • Savel'Ev Sergej Borisovich
RU2280614C1
METHOD OF PROCESSING QUARTZ-LEUCOXENE CONCENTRATES 2008
  • Chistov Leonid Borisovich
  • Okhrimenko Vladimir Emel'Janovich
  • Vygovskij Evgenij Vladimirovich
RU2390572C1
METHOD OF PROCESSING OF TITANIUM-SILICON CONTAINING CONCENTRATES 2004
  • Fedun M.P.
  • Bakanov V.K.
  • Pastikhin V.V.
  • Chistov L.B.
  • Jufrjakov V.A.
  • Okhrimenko V.E.
RU2264478C1
METHOD OF PROCESSING TITANIUM-CONTAINING MINERAL RAW MATERIALS 2019
  • Gordienko Pavel Sergeevich
  • Pashnina Elena Vladimirovna
  • Shabalin Ilya Aleksandrovich
  • Dostovalov Demyan Viktorovich
RU2717418C1
METHOD FOR PROCESSING ZIRCON CONCENTRATE 2021
  • Smorokov Andrei Arkadevich
  • Kantaev Aleksandr Sergeevich
  • Briankin Daniil Valerevich
  • Miklashevich Anna Andreevna
RU2769684C1
METHOD OF DETERMINING ADMIXTURES IN SILICON-CONTAINING MATERIALS 2006
  • Laptash Natal'Ja Mikhajlovna
  • Kurilenko Ljudmila Nikolaevna
RU2306546C1

RU 2 355 634 C1

Authors

Andreev Artem Andreevich

D'Jachenko Aleksandr Nikolaevich

Krajdenko Roman Ivanovich

Dates

2009-05-20Published

2008-03-24Filed