SU387937A1 - METHOD OF CLEANING WASTE WATER OF MUSHYAKOVO-SODA SURED TREATMENT - Google Patents
METHOD OF CLEANING WASTE WATER OF MUSHYAKOVO-SODA SURED TREATMENTInfo
- Publication number
- SU387937A1 SU387937A1 SU1298381A SU1298381A SU387937A1 SU 387937 A1 SU387937 A1 SU 387937A1 SU 1298381 A SU1298381 A SU 1298381A SU 1298381 A SU1298381 A SU 1298381A SU 387937 A1 SU387937 A1 SU 387937A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- sodium
- soda
- mushyakovo
- sured
- waste water
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 4
- 239000002351 wastewater Substances 0.000 title description 3
- 238000004140 cleaning Methods 0.000 title 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 9
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 8
- 235000019345 sodium thiosulphate Nutrition 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 description 6
- 235000011152 sodium sulphate Nutrition 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical class 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 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910052708 sodium Chemical class 0.000 description 4
- 239000011734 sodium Chemical class 0.000 description 4
- 239000004133 Sodium thiosulphate Chemical class 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- HUMHYXGDUOGHTG-HEZXSMHISA-N alpha-D-GalpNAc-(1->3)-[alpha-L-Fucp-(1->2)]-D-Galp Chemical compound O[C@H]1[C@H](O)[C@H](O)[C@H](C)O[C@H]1O[C@@H]1[C@@H](O[C@@H]2[C@@H]([C@@H](O)[C@@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](O)[C@@H](CO)OC1O HUMHYXGDUOGHTG-HEZXSMHISA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000004686 pentahydrates Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Description
1one
Известен способ очистки сточных вод МЫШЬЯКОВО-СОДОВОЙ сероочистки, заключающийс в обработке сточных вод органическим растворителем, например спиртом, с выделением смеси твердых солей сульфата и тиосульфата натри и раствора роданистого натри , отделении последнего от твердой фазы и упаривании твердой фазы до выкристаллизовывани сульфата натри .A known method for treating wastewater MUSHYAKOVA-SODA desulfurization involves treating waste water with an organic solvent, such as alcohol, separating a mixture of solid salts of sodium sulphate and sodium thiosulphate and sodium rodanist solution, separating the latter from the solid phase and evaporating the solid phase prior to crystallization of the sodium sulphate.
Однако в .известном способе трудно раздел ть смеои твердых солей сульфата и тиосульфата натри , что усложн ет весь процесс очистки .However, in the known process it is difficult to separate the mixtures of solid salts of sodium sulfate and sodium thiosulfate, which complicates the entire purification process.
С целью упрощени процесса разделени сульфата и тиосульфата «атри предлагаетс смесь твердых сульфата и тиосульфата натри после отделени от раствора роданистого натри нагреть до температуры не менее 48,6°С, отделить полученный расплав кристаллогидрата тиосульфата натри от нерастворимого в расплаве сульфата натри и выкристаллизовать из расплава тиосульфат натри в виде пентагидрата.In order to simplify the separation of sulphate and thiosulphate "atri", a mixture of solid sulphate and sodium thiosulphate is proposed to be heated to at least 48.6 ° C after separation from sodium thorny sulphate solution, to separate the resulting sodium thiosulphate crystalline hydrate melt from insoluble in sodium sulphate and crystallize out of the melt sodium thiosulfate in the form of pentahydrate.
Пример. К 1 л сточной жидкости, содержащей , г/л: NaaSaOs 185; NagSOi 30,5; NaCNSExample. To 1 l of waste liquid containing, g / l: NaaSaOs 185; NagSOi 30.5; NaCNS
105; H2SO4 1,4; 0,148, добавл ют 3 л спирта. Образовавшийс осадок отдел ют от раствора и нагревают до 60°С. Расплав Ма282Оз-5П2О, отдел ют от твердого сульфата натри и выкристаллизовывают кристаллогидрат .105; H2SO4 1.4; 0.148, add 3 liters of alcohol. The precipitate formed is separated from the solution and heated to 60 ° C. Melt М282Оз-5П2О, separated from solid sodium sulfate and crystalline hydrate crystallizes out.
В результате получают 275 г Na2S2O3-51420 (выход 95%) и 30,2 г Na2SO4 (выход 95,5%).The result is 275 g of Na2S2O3-51420 (yield 95%) and 30.2 g of Na2SO4 (yield 95.5%).
10ten
Предмет изобретени Subject invention
Способ очистки сточных вод МЫШЬЯКОВО-СОДОВОЙ сероочистки путем обработки раствораMethod of sewage treatment MYSHIAKOVO-SODA desulfurization by treating the solution
органическим растворителем с получением смеси твердых сульфата и тиосульфата натри с последующим разделением солей, отличающийс тем, что, с целью упрощени процесса разделени сульфата и тиосульфатаan organic solvent to produce a mixture of solid sulfate and sodium thiosulfate, followed by salt separation, characterized in that, in order to simplify the separation process of sulfate and thiosulfate
натри , смесь твердых солей нагревают до температуры не менее 48,6°С, отдел ют расплав кристаллогидрата тиосульфата натри от нерастворимого в расплаве сульфата натри и выкристаллизовывают кристаллогидратthe sodium, the mixture of solid salts is heated to a temperature of at least 48.6 ° C, the melt of sodium thiosulfate crystalline hydrate is separated from the sodium insoluble melt sulfate, and the crystalline hydrate crystallizes out
тиосульфата натри .sodium thiosulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1298381A SU387937A1 (en) | 1969-01-21 | 1969-01-21 | METHOD OF CLEANING WASTE WATER OF MUSHYAKOVO-SODA SURED TREATMENT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1298381A SU387937A1 (en) | 1969-01-21 | 1969-01-21 | METHOD OF CLEANING WASTE WATER OF MUSHYAKOVO-SODA SURED TREATMENT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU387937A1 true SU387937A1 (en) | 1973-06-22 |
Family
ID=20444383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1298381A SU387937A1 (en) | 1969-01-21 | 1969-01-21 | METHOD OF CLEANING WASTE WATER OF MUSHYAKOVO-SODA SURED TREATMENT |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU387937A1 (en) |
-
1969
- 1969-01-21 SU SU1298381A patent/SU387937A1/en active
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