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2 470 986

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IPC

C10G19/00(2006-01-01)

C10G19/02(2006-01-01)

(21) (22)

Application

2011145594/04, 2011-11-09

(24)

Start date

2011-11-09

(22)

Actual filing date

2011-11-09

(45)

Published

2012-12-27

(72)

Inventor

Movsum-Zade Ehl'Dar MirsamedovichBeljaeva Al'Bina SagitovnaNikitina Anna AleksandrovnaKunakova Rajkhana ValiullovnaPoletaeva Ol'Ga Jur'Evna

(73)

Holder

Movsum-Zade Ehl'Dar Mirsamedovich

METHOD OF PROCESSING ACID SLUDGE Russian patent published in 2012 - IPC C10G19/00 C10G19/02

Abstract RU 2470986 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method of processing acid sludge, wherein sulphuric acid is removed by mixing the acid sludge with distilled water in ratio of 1:6 by volume at 20°C and atmospheric pressure and mixing the aqueous solution of the acid sludge with aqueous ammonia solution in ratio of 7:1.9 by volume.

EFFECT: lower power consumption during neutralisation, low consumption of auxiliary materials and number of process operations.

1 dwg, 1 tbl

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RU 2 470 986 C1

Authors

Movsum-Zade Ehl'Dar Mirsamedovich

Beljaeva Al'Bina Sagitovna

Nikitina Anna Aleksandrovna

Kunakova Rajkhana Valiullovna

Poletaeva Ol'Ga Jur'Evna

Dates

2012-12-27—Published

2011-11-09—Filed