WET SCRUBBING INTENSIFICATION APPLIED TO HYDROGEN SULPHIDE REMOVAL IN WASTE WATER TREATMENT PLANT

被引：18

作者：

Biard, Pierre-Francois ^{[1
,2
,3
]}

Couvert, Annabelle ^{[2
,3
]}

Renner, Christophe ^{[1
]}

Levasseur, Jean-Pierre ^{[4
]}

机构：

[1] Anjou Rech Veolia Environm, F-78603 Maisons Laffitte, France

[2] Ecole Natl Super Chim Rennes, CNRS, UMR 6226, F-35708 Rennes 7, France

[3] Univ Europeenne Bretagne, Rennes, France

[4] Veolia Water, Direct Tech, F-94410 St Maurice, France

来源：

CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2010年 / 88卷 / 04期

关键词：

absorption; chemical scrubbing; compact scrubber; hydrogen sulphide; odour control; MASS-TRANSFER;

D O I：

10.1002/cjce.20310

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Hydrogen sulphide removal in a waste water treatment plant at semi-industrial scale in a compact wet scrubber has been investigated. The gas residence time in the scrubber was reduced to 30 ms using a NaOCl caustic scrubbing solution. The contactor is composed of a wire mesh packing structure where liquid and gas flow co-currently at high velocity (>12 m s(-1)). H(2)S removal percentages higher than 95% could be achieved whereas a moderate pressure drop was measured (<4000 Pa). Both the hydrodynamic and chemical conditions can influence the efficiency of the process. Correlations were developed to predict both the pressure drop and the H(2)S removal efficiency at given operating conditions.

引用

页码：682 / 687

页数：6

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