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(19)

RU

(11)

2 685 673

(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

2018129048, 2018-08-07

(24)

Start date

2018-08-07

(22)

Actual filing date

2018-08-07

(45)

Published

2019-04-22

(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 SEWAGE 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 2685673 C1

FIELD: technological processes.

SUBSTANCE: invention can be used for purification of waste water from heavy metal ions by sorption. Purification method comprises treatment with sorbent, settling for 3 hours in presence of finished products with size of 20×20×20 mm, obtained by mixing powder gypsum with distilled water with addition of solid sodium sulphide Na2S in amount of 15 % of weight of gypsum.

EFFECT: method simplifies the method and reduces sorbent consumption.

1 cl, 1 tbl, 1 ex

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RU 2 685 673 C1

Authors

Svatovskaya Larisa Borisovna

Shershneva Mariya Vladimirovna

Bobrovnik Anna Borisovna

Dates

2019-04-22—Published

2018-08-07—Filed

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