A na-eji ibe osisi dị oke mma, shei mkpụrụ osisi, na anthracite dabere na kol dị ka akụrụngwa. A na-anụcha ya site na usoro phosphoric acid dị elu na usoro anụ ahụ. Ngwa Ubi Uru nkọwapụta ihe dị mma nkọwapụta mmiri dị elu ọgwụgwọ ala mmiri Qt-200-Ⅰ Qt-200-Ⅱ Qt-200-Ⅲ Qt-200-Ⅳ Qt-200-Ⅴ Methylene Blue Adsorption Value Ml/0.1g Ⅰ 13 87 18 17 Lodine Adsorption Value Ml/g…