SU764331A1 - Method of obtaining electron-ion exchanger - Google Patents
Method of obtaining electron-ion exchanger Download PDFInfo
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- SU764331A1 SU764331A1 SU792742079A SU2742079A SU764331A1 SU 764331 A1 SU764331 A1 SU 764331A1 SU 792742079 A SU792742079 A SU 792742079A SU 2742079 A SU2742079 A SU 2742079A SU 764331 A1 SU764331 A1 SU 764331A1
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- USSR - Soviet Union
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- ion exchanger
- obtaining electron
- electron
- solution
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
Изобретение относитс к синтезу электроноионообменников,содержащих группы, способные к реакци м окислени -восстановлени и ионного обмена , которые могут быть использованы дл разделени и концентрировани ионов металлов в гидрометаллургии, водоподготовке, очистке конденсата атмосферной влаги в космических корабл х и сточных вод.This invention relates to the synthesis of electron-ion exchangers containing groups capable of oxidation-reduction and ion-exchange reactions, which can be used to separate and concentrate metal ions in hydrometallurgy, water treatment, purification of atmospheric moisture condensate in spacecraft and wastewater.
Известен способ получени злектроноионообменников линейной или пространственной структуры путем конденсации сшитого аминополистирола с хиноном или галоидхиноном.A known method for producing electron-ion exchangers of a linear or spatial structure by condensation of a cross-linked amino polystyrene with quinone or haloquinone.
Реакцию макропористого сополимера аминостирола и дивинилбензола (содержание диЕинилбензола 2, анионообменна емкость полимера по 0,1 н. раствору сол ной кислоты ИС1 5,0 мг-зкв/г) с хлоранилом или хиноном провод т о смеси этилового спирта и диоксана в присутствии ацетата натри , нагрева при интенсивном переме1иизании в течение 10 ч при 75С. Полученный полимер экстрагируют этиffffa %шшп ловым спиртом в аппарате Сокслета, отмывают 2 з-ным водным раствором едкого натра и дистиллированной водой. Восстановление провод т раствором гидросульфита натри .The reaction of macroporous copolymer of aminosyrol and divinylbenzene (content of diEnylbenzene 2, anion exchange capacity of the polymer in a 0.1N solution of hydrochloric acid IS1 5.0 mg-qsq / g) with chloranil or quinone is carried out with a mixture of ethyl alcohol and dioxane in the presence of sodium acetate , heating with vigorous stirring for 10 hours at 75 ° C. The polymer obtained is extracted with ethyl effi- per% with alcohol in a Soxhlet apparatus, washed with a 2 nd aqueous sodium hydroxide solution and distilled water. The reduction is carried out with sodium hydrosulfite solution.
Редокс - емкость полимера по 0,1 н, раствору Fe2(SO,j )з 3 , 2 мг-экв/г анионообменна емкость по 0,1 н, раствору НС1 1,5 мг-экв/г.Redox - polymer capacity in 0.1 n, solution of Fe2 (SO, j) s 3, 2 mg-eq / g, anion-exchange capacity on 0.1 n, solution of HC1 1.5 mg-eq / g.
оabout
мшйmshy
Недостатком указанного метода синтеза редокс-онионмтоп вл етс мала доступность, дороговизна и многостадийность получени исходного продукта (нитрование сополиг.ера стирола с диенами га жестких условиEr .ns7j х смесью концентрированных азотной и серной кислот при 0 С в течение 7 l, восстановле1-1ие нитропроизгзол ных провод т в концентриро за11 ом 1К;1. г еталлическим оловом при 100 С а течение 10 ч) .The disadvantage of this method of synthesis of the redox-oniontop is the low availability, high cost and multistage production of the original product (nitration of styrene copolymer with dienes and harsh conditions. With an .ns7j x mixture of concentrated nitric and sulfuric acids at 0 ° C for 7 l, reducing nitroprotease are carried out in concentrates for 1 K; 1 g of metallic tin at 100 ° C for 10 hours).
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792742079A SU764331A1 (en) | 1979-03-26 | 1979-03-26 | Method of obtaining electron-ion exchanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792742079A SU764331A1 (en) | 1979-03-26 | 1979-03-26 | Method of obtaining electron-ion exchanger |
Publications (1)
Publication Number | Publication Date |
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SU764331A1 true SU764331A1 (en) | 1992-02-23 |
Family
ID=20817529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU792742079A SU764331A1 (en) | 1979-03-26 | 1979-03-26 | Method of obtaining electron-ion exchanger |
Country Status (1)
Country | Link |
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SU (1) | SU764331A1 (en) |
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1979
- 1979-03-26 SU SU792742079A patent/SU764331A1/en active
Non-Patent Citations (1)
Title |
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Авторское свидетельстоо СССР № 375952, кл. С 08 F 27/00, 1971. Авторское свидетельство СССР № tj88831, кл. С 08 F 5/20, 1972 о 713438 А1 * |
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