RU1801945C - Method of sodium silicate production showing molar ratio @@@=2, not less - Google Patents

Method of sodium silicate production showing molar ratio @@@=2, not less

Info

Publication number
RU1801945C
RU1801945C SU904905412A SU4905412A RU1801945C RU 1801945 C RU1801945 C RU 1801945C SU 904905412 A SU904905412 A SU 904905412A SU 4905412 A SU4905412 A SU 4905412A RU 1801945 C RU1801945 C RU 1801945C
Authority
RU
Russia
Prior art keywords
molar ratio
sodium silicate
less
mixture
production showing
Prior art date
Application number
SU904905412A
Other languages
Russian (ru)
Inventor
Карина Мириджановна Арутюнова
Original Assignee
Научно-производственное объединение "Камень и силикаты"
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 Научно-производственное объединение "Камень и силикаты" filed Critical Научно-производственное объединение "Камень и силикаты"
Priority to SU904905412A priority Critical patent/RU1801945C/en
Application granted granted Critical
Publication of RU1801945C publication Critical patent/RU1801945C/en

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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
    • C01B33/20—Silicates
    • C01B33/32—Alkali metal silicates

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)

Description

В источниках научно-технической информации описан способ получени  высокомодульного жидкого стекла, включающий смешение аморфной двуокиси кремни  с раствором низкомодульного жидкого стекла при нагревании от 40 до 100° С в течение времени, необходимого дл  получени  однородного процесса.Scientific and technical information sources describe a method for producing high-modulus liquid glass, comprising mixing amorphous silicon dioxide with a solution of low-modulus liquid glass by heating from 40 to 100 ° C for the time required to obtain a homogeneous process.

Однако известный признак нагревани  смеси до 100° С способствует образованию поликристаллических силикатов натри , что снижает стабильность раствора и приводит к потери св зующих свойств продукта.However, the well-known sign of heating the mixture to 100 ° C promotes the formation of polycrystalline sodium silicates, which reduces the stability of the solution and leads to a loss of the binding properties of the product.

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Claims (1)

Формула изобретени  Способ получени  силиката натри  с мол рным отношением Si02/Na20 не менее 2, включающий нагревание смеси низкомодульного жидкого стекла и аморфного кремнезема , отличающийс  тем, что, с целью получени  гомогенного продукта за счет исключени  образовани  кристаллических полисиликатов натри , нагревание смеси осуществл ют до температуры кипени , затем смесь охлаждают до комнатной температуры, повтор ют цикл нагревание-охлаждение не менее трех раз, а в качестве низкомодульного жидкого стекла используют раствор дев ти водного метасиликата натри .SUMMARY OF THE INVENTION A method for producing sodium silicate with a molar ratio of Si02 / Na20 of at least 2, comprising heating a mixture of low modulus liquid glass and amorphous silica, characterized in that, in order to obtain a homogeneous product by eliminating the formation of crystalline sodium polysilicates, the mixture is heated to boiling point, then the mixture is cooled to room temperature, the heating-cooling cycle is repeated at least three times, and a solution of nine in water is used as a low-modulus liquid glass. one sodium metasilicate. Таблица1Table 1 Таблица2Table 2
SU904905412A 1990-11-29 1990-11-29 Method of sodium silicate production showing molar ratio @@@=2, not less RU1801945C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU904905412A RU1801945C (en) 1990-11-29 1990-11-29 Method of sodium silicate production showing molar ratio @@@=2, not less

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU904905412A RU1801945C (en) 1990-11-29 1990-11-29 Method of sodium silicate production showing molar ratio @@@=2, not less

Publications (1)

Publication Number Publication Date
RU1801945C true RU1801945C (en) 1993-03-15

Family

ID=21557240

Family Applications (1)

Application Number Title Priority Date Filing Date
SU904905412A RU1801945C (en) 1990-11-29 1990-11-29 Method of sodium silicate production showing molar ratio @@@=2, not less

Country Status (1)

Country Link
RU (1) RU1801945C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTE20090012A1 (en) * 2009-10-09 2011-04-10 Sabatino Bruno Di PROCEDURE FOR THE PRODUCTION OF SODIUM SILICATE INTENDED FOR THE SYNTHESIS OF NA-A ZEOLITE FROM DIATOMYTIC ROCKS.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTE20090012A1 (en) * 2009-10-09 2011-04-10 Sabatino Bruno Di PROCEDURE FOR THE PRODUCTION OF SODIUM SILICATE INTENDED FOR THE SYNTHESIS OF NA-A ZEOLITE FROM DIATOMYTIC ROCKS.

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