SU118814A2 - The method of alkali regeneration from calcium hydrosilicate compounds - Google Patents
The method of alkali regeneration from calcium hydrosilicate compoundsInfo
- Publication number
- SU118814A2 SU118814A2 SU597596A SU597596A SU118814A2 SU 118814 A2 SU118814 A2 SU 118814A2 SU 597596 A SU597596 A SU 597596A SU 597596 A SU597596 A SU 597596A SU 118814 A2 SU118814 A2 SU 118814A2
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- compounds
- regeneration
- alkali
- calcium hydrosilicate
- alkali regeneration
- Prior art date
Links
- 239000003513 alkali Substances 0.000 title description 9
- 230000008929 regeneration Effects 0.000 title description 8
- 238000011069 regeneration method Methods 0.000 title description 8
- 238000000034 method Methods 0.000 title description 5
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical class [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 title description 3
- 239000000243 solution Substances 0.000 description 6
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- 235000012241 calcium silicate Nutrition 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- VEUACKUBDLVUAC-UHFFFAOYSA-N [Na].[Ca] Chemical compound [Na].[Ca] VEUACKUBDLVUAC-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000011074 autoclave method Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Description
Известный из авт. св. № 108917 автоклавный способ регенерации известковым молоком щелочи из гидросиликата кальци и щелочей, ползченной в процессе выщелачивани продукта автоклавной обработки алюмосиликатной породы раствором щелочи, имеет тот недостаток, что регенерацию провод т в автоклаве и при температуре 180-200°.Known from auth. St. No. 108917, an autoclave method of regenerating lime milk of alkali from calcium hydrosilicate and alkali by curing during the leaching of an autoclave product of aluminosilicate rock with an alkali solution, has the disadvantage that the regeneration is carried out in an autoclave and at a temperature of 180-200 °.
Предлагаетс безавтоклавна регенераци щелочи из шламов, полученных при автоклавной обработке любых алюмосиликатных пород и содержащих натриево-кальциевый гидросиликат, обработкой раствором едкой щелочи при температуре пор дка 100°.Non-autoclave alkali regeneration from sludges obtained by autoclaving any aluminosilicate rocks and containing sodium calcium hydrosilicate by treating with caustic alkali at a temperature of about 100 ° is proposed.
Преимущества предлагаемого способа состо т в безавтоклавной регенерации , снижении температуры процесса почти вдвое и повышении концентрации щелочи после регенерации.The advantages of the proposed method consist in non-autoclave regeneration, a decrease in the process temperature almost by half and an increase in the alkali concentration after regeneration.
Пример. Гидросиликат кальци и щелочей (шлам) обрабатывают щелочным раствором Na2O концентрацией 60,6 г/л, при температуре 98° в течение 10 час. Отнощение жидкой фазы к твердой - 6:1. отдел ют от раствора фильтрацией и промывают гор чей водой.Example. Calcium hydrosilicate and alkalis (sludge) are treated with an alkaline solution of Na2O at a concentration of 60.6 g / l, at a temperature of 98 ° for 10 hours. The ratio of the liquid phase to the solid is 6: 1. separated from the solution by filtration and washed with hot water.
После окончани гидролиза концентраци Na2O в растворе повышаетс до 71,4 г/л, что соответствует переходу в раствор - 50% щелочей, содержащихс в щламе. Остальные щелочи извлекаютс из шлама при промывке.After the end of the hydrolysis, the concentration of Na2O in the solution increases to 71.4 g / l, which corresponds to the transition to the solution — 50% of alkalis contained in the earth. The remaining alkalis are removed from the sludge during washing.
Извлечение щелочей по шламу составл ет 96,6%, по раствору 95,0%.The extraction of alkalis in sludge is 96.6%, in solution 95.0%.
Предмет изобретени Subject invention
Способ регенерации щелочей из гидросиликатных соединений кальци и щелочей (щламов), полученных по авт. св. № 108917, отличающийс тем, что, с целью устранени автоклавной регенераций; CHJ«№;418814- 2 -The method of regeneration of alkalis from hydrosilicate compounds of calcium and alkalis (slimes) obtained according to the author. St. No. 108917, characterized in that, in order to eliminate autoclave regeneration; CHJ "No.; 418814-2 -
жени температуры процесса и повышени концентрации щелочи после регенерации, гидросиликатные шлвмы обрабатывают раствором едкой щелочи при температуре 95-100°.In order to maintain the process temperature and increase the alkali concentration after regeneration, hydrosilicate slurries are treated with caustic alkali solution at a temperature of 95-100 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU597596A SU118814A2 (en) | 1958-04-17 | 1958-04-17 | The method of alkali regeneration from calcium hydrosilicate compounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU597596A SU118814A2 (en) | 1958-04-17 | 1958-04-17 | The method of alkali regeneration from calcium hydrosilicate compounds |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU108917 Addition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU118814A2 true SU118814A2 (en) | 1958-11-30 |
Family
ID=48406704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU597596A SU118814A2 (en) | 1958-04-17 | 1958-04-17 | The method of alkali regeneration from calcium hydrosilicate compounds |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU118814A2 (en) |
-
1958
- 1958-04-17 SU SU597596A patent/SU118814A2/en active
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