By Studying the relations between natures and life-time of activated carbons based on both coconut shells and brown coals, it is shown that the activated carbon based on brown coals has about 6 times longer life-time in the COD removal rate, and 10 ti...
By Studying the relations between natures and life-time of activated carbons based on both coconut shells and brown coals, it is shown that the activated carbon based on brown coals has about 6 times longer life-time in the COD removal rate, and 10 times in the color removal rate that that coconut shells.