The treated water in the Al-Amerat wastewater treatment plant will be used for irrigation.

Inprovement of the purifying capacity of a purification station comprising one or more aerobic or eventually anaerobic stages for treating waste waters containing toxic substances.

The purification station is subject to sudden overloads of toxic substances or used waters containing toxic substances.

Application to separation process for separating constituents from a mixture; purification; cleaning.

The invention disclosed relates to the biological cleaning of pollutant gas.

Scrubbing of fluids containing particles.

Device for catalytically purifying exhaust gases from a combustion engine, and process for implementing such device A porous catalytist body bears against the inner walls of a casing above a winding of a metal wire netting.

side stream treatment

Working Party on Effluent Treatment in the Iron and Steel Industry

The filters comprise, on the one hand, filtering elements partly composed of porous synthetic material, and on the other hand, materials allowing the biological purification and eventually the adsorption.

Working Party on Cleaning of Waste Gases : Steel and Further Processing

Cleansing the army of counter-revolutionary elements.

Underneath the crank-cases (25, 26) are arranged, on one side, a portion of the filtering device for the exhaust gases (22) and, on the other side, a portion of the crankshaft chamber (14), of which the width is reduced.

Working Party on Cleaning of Waste Gases : Coke, Pig Iron, Direct Reduction, General Services

Liquid mixture purification by double centrifugal action in the presence of ultrasons.