Dyeing and printing industry: eco-certification to accelerate

"Everyone said, 'eco-textile', but textiles are 'ecological', dyeing session will play a decisive role. And the process used to dye textiles directly determine the ecological and safety." One expert has said. This reporter has learned, dye

And dyeing is a high degree of correlation on the integration of upstream and downstream industries by the "green barrier" of the shock occurs when a strong "transfer effect." Especially in the present, the green tariff system, the green market access system, the "green subsidy", "
Green anti-dumping "and environmental trade sanctions, some countries have become an important weapon for safeguarding national security, and an important tool for regulating the import and export trade in the moment. Dyeing wastewater treatment problems caused by textile dyeing and printing can be described as a typical chemical-treated
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Process, its pre-treatment and finishing of textiles have a decisive impact on ecological security, especially in waste water contained oil, acid and alkali, dyes, pulp and fiber impurities, with a very complex composition, color and high organic pollutant concentration

High alkaline big, toxic, water, water quality and other prominent feature big changes. According to correspondents know, printing and dyeing wastewater treatment in China had done a lot of research and have achieved some success, but mainly for the COD, BOD and color

Degree comprehensive index as a source of hazardous substances control dyes paid little attention. Since the 80s of last century, may exist in developed countries on textiles for harmful substances and the impact on human health carried out a comprehensive study and

Has formulated strict laws and standards in order to achieve limited objectives. At present, the monitoring range of ecological textiles into the toxic and harmful substances include: preservatives, disable dyes, formaldehyde, and chlorinated organic carrier. The domestic printing and dyeing wastewater in the end how

Treatment? March 2010, held in Suzhou City, a "thermal power plant desulphurization and dust removal work spot" to the industry a different kind of thinking. Suzhou City in the town, with straight, large and small enterprises have hundreds of printing as many of its wastewater discharges have
Machine with high concentration, PH value is high, high color, on the local ecological environment of the greater threat. If a large number of direct discharge of untreated wastewater to the town, printing and dyeing wastewater treatment plant, wastewater treatment plant will not only have a strong impact secondary biochemical reactions will

Causing water quality is not up to the problem. "Thermal power plant wastewater will be generated printing and dyeing enterprise, cleverly used for flue gas dust removal and desulfurization, the process wastewater reborn in the dust removal and desulfurization, but also alleviated the pressure on the sewage treatment plant discharge, simply win." Suzhou City