NGHIÊN CỨU CHẾ TẠO THAN SINH HỌC TỪ BÃ ĐẬU NÀNH ĐỂ XỬ LÝ Cu2+ , Pb2+ TRONG NƯỚC

Abstract

Research on the use of agricultural residues to make biochar applied to heavy metal treatment in Vietnam has received great interest during the last few years, due to its economy and efficiency. There have been many studies using straw, tea residue, coffee, etc to make adsorbents. This study presents the results of the synthesis of soya bean adsorbent materials which were applied to treat Cu2+ and Pb2+ ions in water. Structure and properties of biochar and denatured biochar were analyzed and determined by SEM, IR infrared imaging methods. The results show that the denaturation process has changed the structure of the material in the direction of increasing the total surface area of the material which lead to increased adsorption capacity.