Design, construction and operation of a new filter approach for treatment of surface waters in Southeast Asia

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A simple, inexpensive, and efficient method of water treatment for rural communities in Southeast Asia was developed using local materials as filter media. The filter utilizes coconut fiber and burnt rice husks in a two-stage filtering process designed as a gravityfed system without the need for backwashing, and eliminates in most cases the need of any chemicals. The first-stage filter with coconut fiber acts essentially as a substitute for the coagulation and sedimentation phases of conventional water-treatment plants. The second-stage filter, using burnt rice husks, is similar to slow sand filtration with the additional benefits of taste, color and odor removals through the absorption properties of the activated carbon in the medium. This paper reports on the design, construction costs, and operating results of several village size units in Thailand and in the Philippines. © 1981. View source
Author(s)

Frankel R. J.

Year

1981

Secondary Title

Journal of Hydrology

Volume

51

Number

1-4

Pages

319-328

DOI

http://dx.doi.org/10.1016/0022-1694(81)90140-2

Language

Keyword(s)

Filters, Water Filtration

Classification
Form: Journal Article
Geographical Area: Thailand, Philippines

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