SU376321A1 - METHOD OF OBTAINING SODIUM SODIUM FROM MIRABILITE GLASS - Google Patents
METHOD OF OBTAINING SODIUM SODIUM FROM MIRABILITE GLASSInfo
- Publication number
- SU376321A1 SU376321A1 SU1700239A SU1700239A SU376321A1 SU 376321 A1 SU376321 A1 SU 376321A1 SU 1700239 A SU1700239 A SU 1700239A SU 1700239 A SU1700239 A SU 1700239A SU 376321 A1 SU376321 A1 SU 376321A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- sodium
- mirabilite
- glass
- gost
- obtaining
- Prior art date
Links
- 239000011521 glass Substances 0.000 title description 8
- 238000000034 method Methods 0.000 title description 7
- 239000010446 mirabilite Substances 0.000 title description 5
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 title 1
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 title 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 235000017550 sodium carbonate Nutrition 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 150000003841 chloride salts Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Description
1one
Известен способ получени сульфата натри из мирабилита-стеклеца путем растворени последнего в оборотных щелоках и аммонизации полученного раствора.A method is known for producing sodium sulfate from mirabilite-glass by dissolving the latter in circulating lye and ammonizing the solution obtained.
Полученный по этому способу продукт имеет повышенное содержание сульфата кальци (0,48%) и хлоридов (0,39%), что не позвол ет отнести продукт к высшему сорту по ГОСТу 6318-68.The product obtained by this method has a high content of calcium sulfate (0.48%) and chlorides (0.39%), which does not allow to classify the product to the highest grade according to GOST 6318-68.
С целью повышени качества целевого продукта предложен способ, по которому при растворении мирабилита-стеклеца в оборотных растворах в смесь ввод т 13-16%-ный раствор кальцинированной соды.In order to improve the quality of the target product, a method has been proposed by which a 13-16% soda ash solution is introduced into the mixture during the dissolution of mirabilite glass in working solutions.
При этом расход безводной кальцинированной соды составл ет 10-15 кг на т мирабилита-стеклеца .The consumption of anhydrous soda ash is 10–15 kg per ton of mirabilite glass.
Предлагаемый способ дает возможность снизить нримесь сульфата кальци до 0,02% и NaCl до 0,14% в готовом продукте и донести его до кондиции высшего сорта.The proposed method makes it possible to reduce the calcium sulfate impurity to 0.02% and NaCl to 0.14% in the finished product and bring it up to standard quality.
Пример, 200 г дробленного мирабилитастеклеца раствор ют в 108,7 г оборотного щелока (промывной жидкости), 48,3 г воды и 15,1 г 13%-ного раствора соды. После растворени к полученной пульпе добавл ют 6,0 г 0,25%-ного раствора нолиакриламида и отдел ют нерастворимый осадок отстаиванием.Example: 200 g of crushed myrabilites are dissolved in 108.7 g of circulating liquor (washing liquid), 48.3 g of water and 15.1 g of a 13% soda solution. After dissolving, 6.0 g of a 0.25% solution of n-acrylamide is added to the resulting pulp and the insoluble precipitate is separated by settling.
Осветленный щелок выпаривают или аммонизируют дл получени готового продукта.The clarified liquor is evaporated or ammoniated to obtain the finished product.
Дл уменьшени потерь полезного компонента отделенцьп при отстаипаю и шлам промывают водой и полученную промывную воду направл ют на растворение мирабилита-стеклеца .In order to reduce the loss of the useful component, the separation at the time of settling and the sludge is washed with water and the resulting wash water is directed to the dissolution of the mirabilite glass.
После фильтрации и сущки получают продукт , отвечающий полностью требовани м ГОСТа 6318-68 на сульфат натри высшего сорта. Состав полученного продукта (в %): Na-.SOj 99,72 (по ГОСТу 99,3), NaCl 14 (по ГОСТу 0,2), CaSOi 0,02 (по ГОСТу 0,05), NajCO.; 0,12 (ГОСТом не нормируетс ) нерастворимый осадок - нет (по ГОСТу 0,5), Ре.Оз нет (по ГОСТу 0,01%).After filtration, and the soils are obtained a product that fully meets the requirements of GOST 6318-68 for the highest grade sodium sulfate. The composition of the obtained product (in%): Na-.SOj 99.72 (according to GOST 99.3), NaCl 14 (according to GOST 0.2), CaSOi 0.02 (according to GOST 0.05), NajCO .; 0.12 (GOST is not standardized) insoluble precipitate - no (according to GOST 0.5), Re.OZ no (according to GOST 0.01%).
Предмет изобретени Subject invention
1.Способ получени сульфата натри из мирабилита-стеклеца путем растворени последнего в оборотных щелоках и аммонизации полученного раствора, отличающийс тем, что, с целью повышени качества целевого продукта, при растворении мирабилита-стеклеца в смесь ввод т 12-16%-ный раствор кальцинированной соды.1. A method of producing sodium sulfate from mirabilite-glass by dissolving the latter in circulating lye and ammonizing the solution obtained, characterized in that, in order to improve the quality of the target product, when dissolving mirabilite-glass, a 12-16% calcined solution is introduced into the mixture soda
2.Способ по н. I, отличающийс тем, что безводную кальцинированную соду нримен ют в количестве 10-15 кг на 1 т мирабилита-стеклеца .2. Method according to n. I, characterized in that anhydrous soda ash is applied in an amount of 10-15 kg per ton of mirabilite glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1700239A SU376321A1 (en) | 1971-09-24 | 1971-09-24 | METHOD OF OBTAINING SODIUM SODIUM FROM MIRABILITE GLASS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1700239A SU376321A1 (en) | 1971-09-24 | 1971-09-24 | METHOD OF OBTAINING SODIUM SODIUM FROM MIRABILITE GLASS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU376321A1 true SU376321A1 (en) | 1973-04-05 |
Family
ID=20488814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1700239A SU376321A1 (en) | 1971-09-24 | 1971-09-24 | METHOD OF OBTAINING SODIUM SODIUM FROM MIRABILITE GLASS |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU376321A1 (en) |
-
1971
- 1971-09-24 SU SU1700239A patent/SU376321A1/en active
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