SU802181A1 - Method of producing sodium methasilicate pentahydrate - Google Patents
Method of producing sodium methasilicate pentahydrate Download PDFInfo
- Publication number
- SU802181A1 SU802181A1 SU782640237A SU2640237A SU802181A1 SU 802181 A1 SU802181 A1 SU 802181A1 SU 782640237 A SU782640237 A SU 782640237A SU 2640237 A SU2640237 A SU 2640237A SU 802181 A1 SU802181 A1 SU 802181A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- pentahydrate
- sodium
- producing sodium
- sodium metasilicate
- metasilicate
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- 229910052708 sodium Inorganic materials 0.000 title description 8
- 239000011734 sodium Substances 0.000 title description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title description 7
- 150000004686 pentahydrates Chemical class 0.000 title 1
- 239000004115 Sodium Silicate Substances 0.000 claims description 8
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- HQAITFAUVZBHNB-UHFFFAOYSA-N sodium;pentahydrate Chemical compound O.O.O.O.O.[Na] HQAITFAUVZBHNB-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 108091006503 SLC26A1 Proteins 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 150000004687 hexahydrates Chemical group 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- -1 sodium sulfated sodium metasilicate Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Detergent Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Description
Изобретеьгие откоситс к производству щелочных силикатов, в частности к С1кх;обам получени п тиводного метасиликата натри в гранулированном виде, и мо-,-;;ет найти применение в химической промышленности ij производстве моющих, чист ;,их, отбеливающих и дезинфицирующих средств.The invention deviates to the production of alkaline silicates, in particular to C1x; it is necessary to obtain granulated sodium metasilicate in sodium, and it can be used in the chemical industry ij the production of detergents, clean; bleaching and disinfecting them.
Известен способ получени п тиводного метаси- н-1;сата 1 атр;. э разбавленного водного раствора метасиликата натри п°утем его смешивани с хлористым натрием с последующим взаимодействием этой смеси с водным раствором аглмиака 8-30%-ной концентрации в кварцевом объеме под давлением при 20-80°С в течение околоThere is a known method for producing a hydrous metasi n-1; sat 1 atr ;. This diluted aqueous solution of sodium metasilicate and the mixture can be mixed with sodium chloride, followed by interaction of this mixture with an aqueous solution of 8–30% agglume in a quartz volume under pressure at 20–80 ° C for about
2 ч 1 .2 h 1.
К недостаткам данного способа относитс необходимость использовани легкоиспар ющегос и токсичного аммиака и достаточна длительность процесса.The disadvantages of this method are the need to use highly evaporating and toxic ammonia and the process is sufficiently long.
Известен также способ получени грсшулированного п тиводного метасиликата натри путем добавлени к безводному метасиликату натри воды в количестве 0,03 ч. на 1 ч.безвоного продукта за 1 мин при перемешивании и нагревании до температурыThere is also known a method of producing sodium sulfated sodium metasilicate by adding sodium to anhydrous sodium metasilicate in an amount of 0.03 parts per 1 part of the non-intrusive product for 1 minute while stirring and heating to
не выше с последующим охлаждением полученной смеси .not higher, followed by cooling the mixture.
Данный способ, однако, не обеспечивает достаточной полноты превращени исходного силиката в п тиводный метасиликат натри ввиду наличи помимо последнего в целевом продукте также определенного количества безводной и гексагидратной формы метасиликата натри .This method, however, does not provide sufficient completeness of the conversion of the starting silicate into sodium anhydrous sodium metasilicate due to the presence in addition to the last in the target product also a certain amount of anhydrous and hexahydrate form of sodium metasilicate.
Целью изобретени вл етс повышение выхода гранулированного п тиводного метасиликата натри .The aim of the invention is to increase the yield of granulated sodium water metasilicate.
Поставленна цель достигаетс способом получени гранулированного п тиводного метасиликата натри путем добавлени к безводному метасиликату натри воды в избытке в количестве 0,5-4,0% от стехиометрии при перемешивании и нагревании с последующим охлаждением полученной смеси в две стадии, сначала со скоростью 1-10 С/мин до 30-60 с, а затем соThis goal is achieved by the method of obtaining granulated sodium monovial metasilicate by adding sodium to anhydrous sodium metasilicate in an excess amount of 0.5–4.0% of stoichiometry with stirring and heating, followed by cooling the mixture in two stages, first with a rate of 1-10 C / min up to 30-60 s, and then with
скоростью 12-30°С/мин.speed of 12-30 ° C / min.
Отличие способа состоит в том, что воду берут в избытке в указанном выше количестве от стехиометрии, а охлаждение провод т в две стадииThe difference of the method is that water is taken in excess in the above amount from stoichiometry, and the cooling is carried out in two stages
в вышеописанном режиме.in the above mode.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU782640237A SU802181A1 (en) | 1978-06-13 | 1978-06-13 | Method of producing sodium methasilicate pentahydrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU782640237A SU802181A1 (en) | 1978-06-13 | 1978-06-13 | Method of producing sodium methasilicate pentahydrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU802181A1 true SU802181A1 (en) | 1981-02-07 |
Family
ID=20775140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU782640237A SU802181A1 (en) | 1978-06-13 | 1978-06-13 | Method of producing sodium methasilicate pentahydrate |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU802181A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2473465C2 (en) * | 2010-12-08 | 2013-01-27 | Общество с ограниченной ответственностью "Руслэнд" | Method of obtaining pentahydrate, hexahydrate, nonahydrate crystallohydrates of sodium metasilicate |
-
1978
- 1978-06-13 SU SU782640237A patent/SU802181A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2473465C2 (en) * | 2010-12-08 | 2013-01-27 | Общество с ограниченной ответственностью "Руслэнд" | Method of obtaining pentahydrate, hexahydrate, nonahydrate crystallohydrates of sodium metasilicate |
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