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(19)

RU

(11)

2 683 835

(13)

C1

(51)

IPC

C02F1/62(2006-01-01)

C02F1/28(2006-01-01)

B01J20/04(2006-01-01)

B01J20/282(2006-01-01)

C02F101/20(2006-01-01)

C02F103/16(2006-01-01)

(21) (22)

Application

2018129052, 2018-08-07

(24)

Start date

2018-08-07

(22)

Actual filing date

2018-08-07

(45)

Published

2019-04-02

(72)

Inventor

Svatovskaya Larisa BorisovnaShershneva Mariya VladimirovnaBobrovnik Anna Borisovna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet Putej Soobshcheniya Imperatora Aleksandra I"

METHOD OF WASTEWATER TREATMENT FROM HEAVY METAL IONS Russian patent published in 2019 - IPC C02F1/62 C02F1/28 B01J20/04 B01J20/282 C02F101/20 C02F103/16 

Abstract RU 2683835 C1

FIELD: technological processes.

SUBSTANCE: invention can be used for purification of waste water from heavy metal ions by sorption. Method comprises treatment with sorbent, settling for 3 hours in presence of finished products with dimensions of 20×20×20 mm, obtained by mixing powder gypsum with distilled water with addition of solid sodium carbonate Na2CO3 in amount of 15 % of weight of gypsum.

EFFECT: method simplifies the method and reduces consumption of the sorbent.

1 cl, 1 tbl, 1 ex

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RU 2 683 835 C1

Authors

Svatovskaya Larisa Borisovna

Shershneva Mariya Vladimirovna

Bobrovnik Anna Borisovna

Dates

2019-04-02—Published

2018-08-07—Filed

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