TREATMENT OF DRINKING WATER BY ELECTRO-COAGULATION

Abuzaid, Nabil S. Abuzaid; Bukhari, Alaadin A.; AI-Hamouz, Zakariya M.

Energy and the Environment, 1998

ISBN 打印: 1-56700-127-0

TREATMENT OF DRINKING WATER BY ELECTRO-COAGULATION

Nabil S. Abuzaid Abuzaid Research Institute, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia

Alaadin A. Bukhari Civil Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia

Zakariya M. AI-Hamouz Electrical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia

Abstract

The efficiency of using stainless steel soluble electrodes for the in-situe formation of ferric chloride and ferric sulfates coagulants has been investigated. The current input was found to be inversely proportional to the residual turbidity in the test water. At a contact time of 10 minutes, the highest turbidity removal efficiency (95 %) was achieved at a current of 1 A. When the current was reduced to 0.5 A and the contact time was increased to 10 minutes, the residual turbidity was reduced from 4.0 to 1.6 NTU.

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