NGHIÊN CỨU CHẾ TẠO VẬT LIỆU HẤP PHỤ TỪ CHITOSAN KHÂU MẠCH BỨC XẠ ĐỂ XỬ LÝ NƯỚC THẢI DỆT NHUỘM

Tóm tắt

At present, the effluents of textile industry are severely contaminating to the enviroment, but the
removal of pollutants from wastewater is rather costly because the synthetic nature of organic dyes.
Many methods have been developed to remove the dyes from textile influents in practice, and it was
found that chitosan, a marine polysaccharide, can be utilized as natural absorbents to absorbe and
remove the dyes from textile wastewwater. The present study aiming to prepare the effective absorbents
from chitosan, and improve their stability by radiation crosslinking to use as environmental friendly
absorbents. The effects of chitosan concentration, content of crosslinking agent and radiation dose on
chitosan beads were characterized. Absroption capacity of the resulting chitosan beads were also
investigated with Direct Red 80.