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Last year, domestic PX production capacity was 3.83 million tons, output was 2.62 million tons, while consumption reached 4.36 million tons and imports 1.84 million tons, accounting for 42% of consumption. Although domestic production will increase by a large margin this year and will reach 3.5 million tons, it is expected that the consumption will also increase to 6.15 million tons, which is still insufficient for production. Obviously, PX is an urgently needed industry in China. However, in the case of limited resources such as land and environment in our country, new projects are not easy, require huge amounts of capital, and are subject to restrictions on upstream raw materials and investment risks.
In this case, the connotative development will become the main direction of development of the industry in the future. On the one hand, the connotative development is in line with China's PX "Eleventh Five-Year" development plan. Last year, the National Development and Reform Commission issued the “PX “Eleventh Five-Year Plan†Construction Project Layout Planâ€, which clarified that in the construction of PX new projects, it is necessary to have economies of scale and advanced technology, and to prioritize reliance on old plants for potential expansion and expansion to increase competitiveness. . It can be seen that this plan emphasizes the development of intensions, the use of advanced technologies, and the implementation of technological transformations to increase production capacity, rather than simply engaging in extensions and spreading new ones.
On the other hand, from the perspective of some of China's PX manufacturing enterprises, the province has achieved rapid development with an intensive investment. Yangzi Petrochemical, an integrated oil refinery and chemical industry, is currently the largest PX producer in China, and its production capacity has reached 800,000 tons. When it was put into operation in 1990, its production capacity was only 450,000 tons. For more than 10 years, the company has carried out two rounds of technical reforms. Without new land acquisition or new personnel, it mainly relied on the use of advanced production technologies to increase production capacity by 350,000 tons at one stroke. Recently, the company plans to increase the capacity of PX from 800,000 tons to 1.2 million tons by adopting new adsorbents and partial technological transformation from 2007 to 2010. The newly increased capacity investment is only expected to be equivalent to five points for newly-built equivalent equipment. one.
It is expected that global PX capacity and demand will increase at a rate of 1.9% and 2.6% per annum from 2006 to 2011, with the focus on Asia, especially China. Therefore, it is of great significance to actively develop and adopt advanced PX production technology to realize the connotative development of the industry.
Paraxylene should pay attention to connotative development
Paraxylene (PX) is the main raw material for purified terephthalic acid (PTA). In recent years, due to the rapid development of China's textile industry, there has been a large gap in the supply of PX, and the development potential is huge. However, the PX construction project is not easy because of resource environment, capital, and upstream raw materials. Therefore, we must pay attention to the connotative development to seek new breakthroughs in industrial development.