In the inspection trip, the minister praised the Japanese nano-bioreactor technology that Japan-Vietnam Environmental Improvement Company and the Japanese experts used for cleaning sections of the To Lich River and West Lake to reduce water pollution.
However, he also suggested additional technologies and methods of wastewater environment pollution treatment to ensure efficiency because riverbanks and lakes in Vietnam have been polluted by domestic wastewater and production activities.
According to UN environmental expert and President of the Japan Environment and Trade Promotion Organization Tadashi Yamamura, water quality at a part of To Lich River and West Lake has gradually improved after five- month- pilot process of using the Japanese technology.
