At the recent China International Dyestuff Exhibition 2011 forum, the development trend of the dye industry has become the focus of discussions among experts and companies. Participants believed that with the continuous increase in domestic environmental pressure and the increase in environmental protection requirements for products in the international market, the dye industry will adapt to the trend in the future, focusing on the environmental protection brand, and taking a two-pronged approach in product energy saving and environmental protection and process green cleaning, and take the road of green development. .
The dyestuff industry in China is developing rapidly. The total output of dyes ranks first in the world and accounts for 60% of the world's total output. In 2010, the output of dyestuffs nationwide was 756,000 tons, an increase of 5% year-on-year. According to the experts attending the meeting, there are serious pollution problems in the printing and dyeing industry in China, and many products are chemical substances that are harmful to the human body. After the EU REACH regulations implemented in January 2006 put forward high requirements for the environmental protection of textile dyes, China's export of dye products also met the challenge of “green barriersâ€. Experts believe that the development of environmentally friendly, energy-saving technology is the only way to upgrade and develop the printing and dyeing industry. For this reason, China's "Admission Conditions for Printing and Dyeing Industry" (2010 revision) is also required in the "Process and Equipment Requirements" and "Quality and Management" to require the use of advanced technology, with low pollution intensity and energy conservation and environmental protection. Equipment, to develop and produce low-consumption, low-pollution, in line with market demand products, encourage the adoption of new technologies, new processes, new equipment, new materials, as a rigid condition for industry access.
After the meeting, some experts pointed out that experiments have proved that adding appropriate amounts of 4-nitrobenzene sulfonic acid to traditional dyes in the printing and dyeing industry can effectively reduce pollution, greatly reduce harmful substances produced in the printing and dyeing process, and prevent The disperse dyes having a nitro group and an azo group are reduced to cause a change in color. On the other hand, the use of environmentally friendly dye products of 4-nitrobenzene sulfonic acid can simplify the printing and dyeing process of textiles, greatly reduce the water, electricity consumption and sewage discharge during the dyeing and finishing process, which can greatly reduce the production and governance of downstream printing and dyeing enterprises. Pollution costs can also reduce the pressure of energy saving and emission reduction in the printing and dyeing industry.
The dyestuff industry in China is developing rapidly. The total output of dyes ranks first in the world and accounts for 60% of the world's total output. In 2010, the output of dyestuffs nationwide was 756,000 tons, an increase of 5% year-on-year. According to the experts attending the meeting, there are serious pollution problems in the printing and dyeing industry in China, and many products are chemical substances that are harmful to the human body. After the EU REACH regulations implemented in January 2006 put forward high requirements for the environmental protection of textile dyes, China's export of dye products also met the challenge of “green barriersâ€. Experts believe that the development of environmentally friendly, energy-saving technology is the only way to upgrade and develop the printing and dyeing industry. For this reason, China's "Admission Conditions for Printing and Dyeing Industry" (2010 revision) is also required in the "Process and Equipment Requirements" and "Quality and Management" to require the use of advanced technology, with low pollution intensity and energy conservation and environmental protection. Equipment, to develop and produce low-consumption, low-pollution, in line with market demand products, encourage the adoption of new technologies, new processes, new equipment, new materials, as a rigid condition for industry access.
After the meeting, some experts pointed out that experiments have proved that adding appropriate amounts of 4-nitrobenzene sulfonic acid to traditional dyes in the printing and dyeing industry can effectively reduce pollution, greatly reduce harmful substances produced in the printing and dyeing process, and prevent The disperse dyes having a nitro group and an azo group are reduced to cause a change in color. On the other hand, the use of environmentally friendly dye products of 4-nitrobenzene sulfonic acid can simplify the printing and dyeing process of textiles, greatly reduce the water, electricity consumption and sewage discharge during the dyeing and finishing process, which can greatly reduce the production and governance of downstream printing and dyeing enterprises. Pollution costs can also reduce the pressure of energy saving and emission reduction in the printing and dyeing industry.
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