An eight-page, full-color brochure describing and illustrating its marine sewage treatment plants is available from Weir Pumps Limited of Glasgow, Scotland. The Weir Biomac and Thermobiomac sewage treatment plants, designed and constructed to comply with IMCO and U.S. Coast Guard requirements, treat the waste from a ship's sanitary system to a standard whereby the final effluent can be discharged overboard in accordance with national and international legislation.

The plant, a compact packaged unit for ease of installation, is an extended aeration unit utilizing the biological and activated sludge processes to purify the organic matter in the influent. It comprises a tank divided into three sections: an inlet/aeration section; a separating/settling section; and a chlorination section.

For a free copy of this brochure, Write 34 on Reader Service Card