SU706331A1 - Method of waste water purification from sodium chloride - Google Patents

Method of waste water purification from sodium chloride

Info

Publication number
SU706331A1
SU706331A1 SU762365693A SU2365693A SU706331A1 SU 706331 A1 SU706331 A1 SU 706331A1 SU 762365693 A SU762365693 A SU 762365693A SU 2365693 A SU2365693 A SU 2365693A SU 706331 A1 SU706331 A1 SU 706331A1
Authority
SU
USSR - Soviet Union
Prior art keywords
sodium chloride
solution
evaporated
vanadium
waste water
Prior art date
Application number
SU762365693A
Other languages
Russian (ru)
Inventor
Станислав Михайлович Архипов
Галина Ивановна Архипова
Ирина Всеволодовна Добрынина
Александр Егорович Прунцев
Борис Николаевич Пустовалов
Original Assignee
Предприятие П/Я В-8130
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я В-8130 filed Critical Предприятие П/Я В-8130
Priority to SU762365693A priority Critical patent/SU706331A1/en
Application granted granted Critical
Publication of SU706331A1 publication Critical patent/SU706331A1/en

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  • Removal Of Specific Substances (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Claims (1)

с содержанием хлористого натри  100 г/л и п тноЕСИси ванади  0,5 г/л упаривают до концентрации хлористого натри  25-27 масс.%. Получают 580 л раствора, который охлаждают до 20-25С. Ввод т при перемеишвании едкий натр до кон центрации его в растворе 500-600 г/л, отдел ю раствор от осадка фильтровашкм. Получают 560 л раствора с содержанием хлр /ристого натри  25 г/л, едкого натра 540 г/л и п тиокиси ванади  1,33 г/л и 130 кг технического хлористого натри . В результате уменьшают объем упариваемых сточных вод в 1,5-2 раза, возвращают часть воды и 98-99% ванади  в производство. Формула изобретени  Способ очистки сточных вод от хлористого натри , включаюц(11й упаривание и кристаллизацию , о тличающийс  тем, что, с целью удешевлени  процесса за счёт уменьшени  объема упариваемых сточных вод и возможности повторного использова1ш  их в производстве , сточные воды упаривают до концентрации хлористого натри  в них 25-27 масс.%, ввод т едкий натр до содержани  его в растворе 500-600 г/л с последующим отделением раствора от осадка. Источники информации, пр1ш тые во внимание при экспертизе 1.За вка Великобритании № 1434751, кл. С 1 А, 1976, 2,Авторское свидетельство СССР № 442152, л. С 02 С 5/02, 1972.with a sodium chloride content of 100 g / l and a vanadium stain, 0.5 g / l of vanadium is evaporated to a sodium chloride concentration of 25-27 wt.%. Get 580 liters of solution, which is cooled to 20-25C. When stirring, caustic soda is added to its concentration in a solution of 500-600 g / l, separating the solution from the precipitate. This gives 560 l of a solution containing 25 h / l sodium chloride 25 g / l, caustic soda 540 g / l and vanadium pentoxide 1.33 g / l and 130 kg of technical sodium chloride. As a result, the volume of evaporated wastewater is reduced by 1.5-2 times, and part of the water and 98-99% vanadium are returned to production. Claims The method of purification of waste water from sodium chloride, including (11th evaporation and crystallization, characterized by the fact that, in order to reduce the cost of the process by reducing the volume of evaporated wastewater and the possibility of reuse in production, the wastewater is evaporated to sodium chloride concentration 25-27 wt.%, sodium hydroxide is added to its content in a solution of 500-600 g / l, followed by separation of the solution from the sediment. Sources of information are taken into account in the examination 1. UK UK No. 1434751, cl. 1 A, 1976, 2, USSR Author's Certificate No. 442152, L. C 02 C 5/02, 1972.
SU762365693A 1976-05-26 1976-05-26 Method of waste water purification from sodium chloride SU706331A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU762365693A SU706331A1 (en) 1976-05-26 1976-05-26 Method of waste water purification from sodium chloride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU762365693A SU706331A1 (en) 1976-05-26 1976-05-26 Method of waste water purification from sodium chloride

Publications (1)

Publication Number Publication Date
SU706331A1 true SU706331A1 (en) 1979-12-30

Family

ID=20663260

Family Applications (1)

Application Number Title Priority Date Filing Date
SU762365693A SU706331A1 (en) 1976-05-26 1976-05-26 Method of waste water purification from sodium chloride

Country Status (1)

Country Link
SU (1) SU706331A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2713373C1 (en) * 2019-07-15 2020-02-04 Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) Method of extracting sodium chloride from waste water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2713373C1 (en) * 2019-07-15 2020-02-04 Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) Method of extracting sodium chloride from waste water

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