METHOD AND APPARATUS FOR CLEANING WATER IN RIVER, LAKE, MARSH, OR THE LIKE

摘要

PROBLEM TO BE SOLVED: To clean water in a river, a lake, a marsh, or the like contaminated with small amounts of harmful substances such as dioxins and bisphenol A by oxidatively decomposing the harmful substances energetically advantageously by using relatively simple equipment.;SOLUTION: By coating a raft with a photocatalyst based on titanium dioxide and disposing the raft in a manner in which the top of the raft is slightly submerged in water, the water passing the top of the raft is cleaned by the action of sunlight and the photocatalyst. Also, by making part or all of the top of the raft into a solar battery, electric power can be recovered.;COPYRIGHT: (C)2003,JPO