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2 346 729

(13)

(51)

IPC

B01D53/14(2006-01-01)

B01D53/68(2006-01-01)

C01B7/00(2006-01-01)

(21) (22)

Application

2007105444/15, 2007-02-13

(24)

Start date

2007-02-13

(22)

Actual filing date

2007-02-13

(45)

Published

2009-02-20

(72)

Inventor

Agafonov Boris AleksandrovichSavel'Ev Aleksej NikolaevichSavel'Ev Nikolaj Ivanovich

(73)

Holder

Oao Investitsionnaja Kompanija"

ABSORPTION METHOD OF CHLORINE RECUPERATION FROM GAS MIXES Russian patent published in 2009 - IPC B01D53/14 B01D53/68 C01B7/00

Abstract RU 2346729 C2

FIELD: chemistry.

SUBSTANCE: in bottom section of countercurrent tower 80-95% of chlorine is absorbed from gas mix containing 5-50 volume % of chlorine by main absorbent flow at (-5) ÷ (+15)°C. Remaining chlorine is absorbed in top tower section by additional absorbent flow comprising 5-15% of the total volume and cooled to temperature below (-5)°C. Chlorine is desorbed at excessive pressure of 0.8-1.2 MPa and liquefied by recycle water. Saturated absorbent is heated by heat of recovered absorbent. Main absorbent flow is cooled to work temperature by the cold of evaporating chlorine.

EFFECT: reduced energy supply required.

1 dwg, 1 tbl, 3 ex

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RU 2 346 729 C2

Authors

Agafonov Boris Aleksandrovich

Savel'Ev Aleksej Nikolaevich

Savel'Ev Nikolaj Ivanovich

Dates

2009-02-20—Published

2007-02-13—Filed