Shaoxing: Printing Or Dyeing Without Water Or Helping Printing And Dyeing Industry To Remove "Dirty" Cap.

The discharge of 1 tons of printing and dyeing wastewater may contaminate 20 tons of water. Is there any way to solve this problem? Yes, in January 4th, in the laboratory of Keqiao Innovation Research Institute of Zhejiang University of Technology, Mo Shui eagle, an expert in dyeing and printing from Hongkong, told reporters about his latest research and development -- the supercritical two oxy carbon test device, "this device can achieve anhydrous printing and dyeing. This is a gift for Shaoxing, a big dyeing city."

At the scene, Mo song eagle will be rolled into strips of white cloth into the dyeing kettle. After dye and carbon dioxide are added, the dyeing kettle will be put into the testing machine. Soon, the white cloth was dyed. "During operation, a high pressure and high temperature supercritical environment has been formed inside the test machine, and carbon dioxide has been transformed into a dyeing medium for fluid, that is to say, carbon dioxide fluid is used to replace water solvent." Mo Song Ying said that the entire printing and dyeing process does not produce waste water, and the recovered carbon dioxide can also be used for the next printing and dyeing. In addition to environmental protection and energy saving, this technology has another feature -- greatly improving the dyeing efficiency. "One time dyeing of cloth 2000 meters takes only 1 hours, half of the time when compared to traditional dyeing."

Traditional dyeing process can not be separated from water. It is estimated that 95 liters of ~150 liters of water should be used for dyeing 1 tons of textiles, while 1 tons of printing and dyeing wastewater will pollute 20 tons of water. "Anhydrous printing and dyeing is a major direction of green high-end printing and dyeing in the future. It is a technological revolution in the printing and dyeing industry." Mo song Eagle said that this technology has been studied for 18 years, and is different from other dyes and wastewater treatment. He has always locked his eyes on water solvents.

In March 2018, Mo song Eagle settled in Keqiao in the capacity of a special expert in Shaoxing's overseas talent scheme. "Keqiao's printing and dyeing industry is the best market for this technology." He said that supercritical water free printing and dyeing technology has become more mature in the world, and the production lines have been built in Thailand and other countries. Mo song Eagle said, next, the laboratory will be looking for partners in Keqiao, the industrialization of waterless printing and dyeing technology.