RU97109539A - METHOD FOR CLEANING WASHING WATERS FROM METAL SALTS - Google Patents

METHOD FOR CLEANING WASHING WATERS FROM METAL SALTS

Info

Publication number
RU97109539A
RU97109539A RU97109539/25A RU97109539A RU97109539A RU 97109539 A RU97109539 A RU 97109539A RU 97109539/25 A RU97109539/25 A RU 97109539/25A RU 97109539 A RU97109539 A RU 97109539A RU 97109539 A RU97109539 A RU 97109539A
Authority
RU
Russia
Prior art keywords
exchange resin
metal salts
anion
cation
exchanger
Prior art date
Application number
RU97109539/25A
Other languages
Russian (ru)
Other versions
RU2133708C1 (en
Inventor
А.К. Кольчевский
Н.Н. Егорушкина
Д.А. Соколянский
Original Assignee
Акционерное общество открытого типа "Научно-исследовательский технологический институт" ("НИТИ-ТЕСАР")
Filing date
Publication date
Application filed by Акционерное общество открытого типа "Научно-исследовательский технологический институт" ("НИТИ-ТЕСАР") filed Critical Акционерное общество открытого типа "Научно-исследовательский технологический институт" ("НИТИ-ТЕСАР")
Priority to RU97109539/25A priority Critical patent/RU2133708C1/en
Priority claimed from RU97109539/25A external-priority patent/RU2133708C1/en
Publication of RU97109539A publication Critical patent/RU97109539A/en
Application granted granted Critical
Publication of RU2133708C1 publication Critical patent/RU2133708C1/en

Links

Claims (1)

Способ очистки промывных вод от солей металлов, включающий поглощение катионов катионитом в H+ форме, а анионов анионитом в OH- форме, регенерацию катионита кислотой, а анионита щелочью, отличающийся тем, что элюат после катионита разделяют на две порции в соотношении от 1 : 3 до 1 : 1,5, первую (меньшую) порцию используют для корректировки рабочего раствора, вторую (большую) порцию используют для повторной регенерации катионита, а элюат после анионита разлагают на диафрагменном электролизере на кислоту и щелочь, которые в дальнейшем используют для регенерации катионита и анионита соответственно.The method of purification of wash water from metal salts, including the absorption of cations by cation exchange resin in H + form, and anion exchange resin anion exchange resin in OH - form, regeneration of the cation exchange resin with acid, and anion exchange resin with alkali, characterized in that the eluate after the cation exchange resin is divided into two portions in a ratio of 1: 3 up to 1: 1.5, the first (smaller) portion is used to adjust the working solution, the second (large) portion is used to re-regenerate the cation exchanger, and the eluate after the anion exchanger is decomposed into an acid and alkali in a diaphragm electrolyzer, which are further used To regenerate the cation exchanger and the anion exchanger, respectively.
RU97109539/25A 1997-06-06 1997-06-06 Method of removing metal salts from wash waters RU2133708C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97109539/25A RU2133708C1 (en) 1997-06-06 1997-06-06 Method of removing metal salts from wash waters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97109539/25A RU2133708C1 (en) 1997-06-06 1997-06-06 Method of removing metal salts from wash waters

Publications (2)

Publication Number Publication Date
RU97109539A true RU97109539A (en) 1999-05-20
RU2133708C1 RU2133708C1 (en) 1999-07-27

Family

ID=20193909

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97109539/25A RU2133708C1 (en) 1997-06-06 1997-06-06 Method of removing metal salts from wash waters

Country Status (1)

Country Link
RU (1) RU2133708C1 (en)

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