"Contribuição ao estudo de estações compactas para tratamento de águas".

Abstract

Pressure package water treatment plants permit the clarification of water from small communities- requiring treatment according to national water quality standards. The work presented in this dissertation covers a broad study in this subject and gives emphasis on conception, design and operation of these plants. The research was carried out utilizing a pilot plant with flocculation being processed in granular bed and sedimentation working at high rate. The basic parameters for estimating the performance of this plant were turbidity and run filtration. Turbidity reduction from the effluent of the sedimentation basin was found to be higher than 80 per cent and from filtered water more than 95 per cent corresponding to the run filtration of 30- hours. It was confirmed that pressure package water treatment plants are a valid alternative in water clarification for small communities.