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    Jiangsu's Printing And Dyeing Industry Needs Upgrading, Energy Saving And Emission Reduction

    2014/6/23 22:25:00 24

    Jiangsu ProvincePrinting And Dyeing IndustryEnergy Conservation And Emission Reduction

    < p style= "text-align: center" > < img border= "0" align= "center" alt= "" src= "" /uploadimages/201406/30/20140630092327_sj.JPG "/" < > > "


    < p > at present, the printing and dyeing capacity of our province reaches 5 billion meters, accounting for 9.24% of the country's total, ranking second.

    It is mainly concentrated in 4 cities in Suzhou, Wuxi, Changzhou and Nantong. Among them, the area around the Taihu is the most concentrated area of printing and dyeing. The amount of waste water discharge and COD emissions account for about 70% of the printing and dyeing industry in the whole province.

    < /p >


    < p > the latest edition of the guidance catalogue of industrial and information industry restructuring in Jiangsu is clear that the printing and dyeing projects within the first grade, two level and quasi protected areas of the drinking water sources, the one or two and three grade protected areas of the Taihu Valley and the one or two grade Tongyu River protection zones are restricted to develop.

    In accordance with the requirements of energy conservation and emission reduction, printing and dyeing are subject to "three control" - the total amount of pollutants discharged, the amount of wastewater discharged and the total energy consumption.

    < /p >


    "P > Taicang Jia Huang knitting and dyeing Co., Ltd. once encountered trouble. In 2010, the local environmental protection department issued the target of reaching the standard effluent discharge to 3000 tons / day.

    "If this continues, production capacity will not be able to function properly, and profitability will be difficult to guarantee."

    Wu Jianxin, chairman of the company, admitted that there was a time when orders were adequate, but emissions targets were not enough.

    < /p >


    < p > < < a href= > http://www.91se91.com/news/index_c.asp > > < /a > development can not be unilaterally understood as not to develop, but to limit the low end and emission standards.

    Xie Ming, President of the Provincial Textile Industry Association, said that textile and garment industry is a traditional dominant industry in Jiangsu. There is a big gap between the printing and dyeing process and the developed countries, which directly restricts the added value of the products.

    Printing and dyeing industry urgently needs to accelerate the upgrading.

    < /p >


    < p > according to statistics, the total amount of wastewater discharge in printing and dyeing industry ranks fifth in China's manufacturing sector, and the water reuse rate is lower than that of the domestic manufacturing industry.

    "In the face of" hard bars ", we can only tap the potential and upgrade locally.

    Zhang Linsheng, a guide to Southeast University, said that the only way out is to add and subtract at both ends, to promote cleaner production and reclaimed water, and to produce more high-quality products with less fresh water consumption and lower wastewater discharge.

    < /p >


    < p > > a href= "http://www.91se91.com/news/index_c.asp" > stock < /a > tapping potential can start from water reuse and heat preservation.

    Suzhou Hongyu turned out to be a a href= "http://www.91se91.com/news/index_c.asp" printing and dyeing enterprise < /a >, which was pformed into an energy saving and emission reduction engineering service enterprise in 2009. It jointly developed the "rapid catalytic method" wastewater reuse technology with universities, and solved the problems of "adjustment of alkali agents in the decolorization process" and "iron ion interference in recycling water." after the application of the technology, the utilization rate of reclaimed water reached about 80%, which was higher than the average level of general technology 30%-40%.

    With the reclaimed water rate of 80%, a printing and dyeing enterprise with a daily output of 1000 tons of wastewater is required to discharge 200 tons of standard wastewater. The capacity utilization rate is greatly raised.

    The technology has been applied in more than 10 enterprises in the province, and has provided a demonstration for the pformation of printing and dyeing industry.

    In 2011, after the technology was applied by Taicang Jia Huang, 3000 tons of waste water was discharged every day. At the same time, 4000 tons of reclaimed water were used, and the utilization rate of capacity was doubled.

    < /p >


    < p > the relevant people of the Commission said that the evaluation of printing and dyeing projects includes not only the energy consumption per unit product, the amount of fresh water taken, the discharge of main pollutants, the way of wastewater treatment and the water reuse rate, but also the performance of process equipment.

    In 2010, when the state started a new round of elimination of backward production capacity, it was stipulated that the equipment with more than 15 years of life and bath ratio (weight ratio of dye to textile) was larger than 1:10, and should be eliminated during the "12th Five-Year" period.

    In the future, our province will also increase the access threshold.

    < /p >

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