4A Tray, All Active Area extrAction Tray, is one of our patent product, ZL 98 1 21406.1.

Special feature:

All of the column area is active area.

It can increase up to 30%~100% throughput than normal tray.

Preferred applications:

Liquid-liquid extraction, High liquid load distillation and absorption.

Typical application:

(1) 1,3-Butadiene scrubber, ID900, ID1000

(2) Removal sulfur-alcohol / H₂S from LPG of SINOPEC, in Shanghai, ID1800

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