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Dyeing and finishing industry develops rapidly
The development trend of the dye industry is closely related to textile fibers. In recent years, the world's textile fiber production has grown at an average annual rate of 2.7%, with the average annual growth rate of synthetic fibers exceeding 5.0%. The growth rate of China's textile fibers exceeds this value. According to statistics, in 2004 the total output value of the world's dyestuff industry exceeded 8 billion U.S. dollars, and its output was close to 1 million tons, of which textile dyes accounted for more than 80%. China Dye Industry Association statistics show that in 2004 China's dye production was 541,000 tons, and actual consumption was 379,000 tons, accounting for 70% of output. From the perspective of textile production, dye production and consumption in the world and in China, disperse dyes and reactive dyes occupy an important position. The research and development of new dyes from various dye companies in the world also focus on these two dyes. At the same time, in recent years, the development of modern dyes such as high fixation rate, high color fastness, high lifting force, high level dyeing, and high reproducibility has also accelerated the pace. In the first half of this year, China's printing and dyeing cloth production has reached 19.973 billion meters, and it is expected that annual output will exceed 40 billion meters. For many years, no matter in the field of dyestuff research and production, or in the field of textile dyeing and finishing, people have devoted a lot of manpower and material resources to efforts to solve the problem of the color fastness of textile products, and have made considerable progress. Various new ones have been made. Dyestuffs, new auxiliaries and new printing and dyeing techniques continue to emerge.
Environmental pressure is becoming increasingly prominent
With the cancellation of quotas for textile trade worldwide, the world textile market has undergone great changes. First, the market has increasingly stringent requirements on ecology and environmental protection. Textile trade has entered the era of ecological competition, and indicators of ecological performance have been increasing. Even the value of textiles has increased the evaluation index of ecological performance, making the ecological performance of textiles become international The contents that must be examined in trade, the requirements of this ecological performance have been further improved with the establishment of “green barriers†in Europe and the United States and other countries in recent years, and the speed of setting has been further accelerated, so that textile chemicals that have been banned and restricted have reached more than 2,000 so far. Variety and demand are more and more strict. At the same time, environmental pressures on wastewater, waste gas and waste slag in the production and processing of textile enterprises have been further increased, and the substantial increase in the cost of treatment and sewerage has greatly increased production costs. Second, the energy pressure of textile companies is increasing. Taking China's dyeing and finishing companies as an example, due to rising energy prices in recent years, and the need to consume large amounts of steam during the dyeing and finishing process, its energy consumption accounts for more than 80% of the total energy consumption, which makes the energy costs of enterprises from The original 15% to 20% of total costs soared to 50% to 60%, which has seriously threatened the sustainable production of enterprises. Third, the contradiction between poor reproducibility and low production capacity of the existing dyeing process has become increasingly prominent, especially in the current situation where the cost of energy, water resources, raw materials and other costs occupies higher production costs, which seriously affects the improvement of product quality. And business benefits. These new characteristics and new factors in the textile market place higher and newer requirements on the printing and dyeing industry. They require that the dyeing of textiles emphasize environmental protection and ecological benefits, focus on low energy consumption and low cost, and focus on high reproducibility, high production efficiency, and high quality. High efficiency, focus on accurately responding to customer needs and fast delivery. Therefore, reducing the production cost, the process is simple, the dyeing reproducibility is good, the dye utilization rate is high, energy conservation and environmental protection have become the goal pursued by the dyeing and finishing industry.
Lu Runqiu, director of the Dyeing and Finishing Professional Committee of the China Textile Engineering Society, pointed out in his speech: “In recent years, the environmental pressures companies are facing have become increasingly prominent, and companies have often been forced to stop production due to environmental problems, and even a few well-known companies have been included in the environmental protection blacklist. How to deal with the coordinated development of economy and environmental protection is a task that is placed in front of dyeing and finishing workers and related industries."
Dyeing and finishing experts' suggestions
How to speed up the development of the dyeing and finishing industry in China? How to deal with the problem of coordinated economic and environmental development? At the Sixth National Dyeing Academic Symposium, experts from the dyeing and finishing industry made recommendations. The first is to work hard to improve the ideological quality and awareness of environmental protection among leaders and technicians at all levels, so that they can become conscious actions, and at the same time, there must be strong constraints, especially in overcoming local protectionism We will unify our thinking on the concept of sustainable scientific development and conscientiously implement the textile "Eleventh Five-Year Plan". Second, professionals must actively develop and adopt new processes and technologies that are conducive to clean production, water conservation, energy conservation, and consumption reduction, and enhance the competitiveness of enterprises. The third is to strengthen the adjustment of product structure, improve deep processing of products, encourage technological innovation and increase the differential share of products. Capable enterprises must improve their ability to receive first-hand orders, tie up with customers to improve their anti-risk capabilities, and improve the economic strength of implementing environmental protection measures. To avoid vicious competition. Fourth, the state and the industry should strengthen macroeconomic regulation and control. There must be incentives for the implementation of environmental protection measures. The sustainable development of the dyeing and finishing industry can not be separated from environmental protection, innovation and mechanisms, especially the mechanism is particularly important.
The development of dyeing and finishing industry should take the environmental protection "high threshold"
In recent years, enterprises in some textile and economically developed regions in China have been forced to suspend production due to environmental problems. Even a few well-known large companies have been listed on the environmental protection 'black list'. How to achieve coordinated development of enterprise production and environmental protection has become an important task for dyeing and finishing workers and related industries. Cleaner production, water conservation, energy conservation, and consumption reduction have become important components of the competitiveness of dyeing and finishing companies. At the same time, environmental protection has also become the key to the survival of dyeing and finishing companies and the sustainable development of the industry.†This was the focus of experts in the dyeing and finishing industry at the 6th National Dyeing Academic Seminar held recently.