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
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- 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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