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2 720 155

(13)

(51)

IPC

C02F1/62(2006-01-01)

C02F1/28(2006-01-01)

B01D15/04(2006-01-01)

(21) (22)

Application

2019123052, 2019-07-17

(24)

Start date

2019-07-17

(22)

Actual filing date

2019-07-17

(45)

Published

2020-04-24

(72)

Inventor

Svatovskaya Larisa BorisovnaSoloveva Valentina YakovlevnaStepanova Irina VitalevnaSycheva Anastasiya MaksimovnaAbu-Khasan MakhmudSolovev Dmitrij VadimovichSakharova Antonina SergeevnaKabanov Aleksandr Aleksandrovich

(73)

Holder

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

METHOD OF PURIFYING WASTE WATER FROM LEAD IONS Russian patent published in 2020 - IPC C02F1/62 C02F1/28 B01D15/04

Abstract RU 2720155 C1

FIELD: water treatment.

SUBSTANCE: invention relates to a method of purifying waste water from lead ions. Cleaning is carried out by sorption on solid sorbent. Solid sorbent with grain size of sorbent 3.0–5.0 mm is represented by foam concrete of average D600 grade, modified with sodium orthophosphate Na₃PO₄. Ratio of components, wt %: foam concrete of average density D600 96.0–98.0; sodium orthophosphate Na₃PO₄ 2.0–4.0.

EFFECT: technical result consists in improvement of cleaning degree and increase of filtration speed.

1 cl, 1 tbl

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RU 2 720 155 C1

Authors

Svatovskaya Larisa Borisovna

Soloveva Valentina Yakovlevna

Stepanova Irina Vitalevna

Sycheva Anastasiya Maksimovna

Abu-Khasan Makhmud

Solovev Dmitrij Vadimovich

Sakharova Antonina Sergeevna

Kabanov Aleksandr Aleksandrovich

Dates

2020-04-24—Published

2019-07-17—Filed