IDEA OF ECOLOGICAL PURIFICATION SYSTEM FOR DRINKING WATER COMES FROM BROA RESERVOIR

Authors

  • Nobutada Nakamoto Shinshu University

Keywords:

Slow sand filter, hungry condition, BOD, phytoplankton, drinking water

Abstract

Origin of the refocusing on slow sand filter as an ecological purification system is the observation of unhealthy phytoplankton in Broa reservoir in 1974. Longitudinal profile of phenomena is characteristic feature of a reservoir. Active region is only inflow part. Phytoplankton under hungry condition is normal near the dam site.

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Published

2017-02-20

Issue

Vol. 15 No. 3 (2011): Ecologia de Reservatórios

Section

Articles