摘要
Statistical data shows that the annual wastewater discharge is up to 2.4 billion tons in printing and dyeing industry. At present, the supercriticat carbon dioxide fluid beam piece dyeing technology generally used in the industry can realize anhydrous dyeing of textile products, but its processing levelness is not easy to control, and there are many other disadvantages including low rate of certified products, tong dyeing time, and high requirements on the equipment manufacturing.
