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Recently, the scientific and technological achievement evaluation meeting of the "300,000-ton/year styrene complete technology industrial application" project sponsored by the China Association for the Promotion of Private Science and Technology was held in Beiji.
An expert told reporters that the innovative feature of this technology is the development of a low-energy-consumption liquid-phase alkylation to synthesize ethylbenzene and a high-vacuum, low-water ratio ethylbenzene adiabatic dehydrogenation reaction process, and the design of a unique high-temperature system for ethylbenzene dehydrogenati.
It is worth mentioning that in recent years, with the progress of science and technology and the rapid development of all walks of life, the demand for polystyrene resin is increasing, which has contributed to the sharp increase in the demand for styre.
Although the production capacity and output of styrene in China have developed by leaps and bounds, due to the faster development of downstream products of styrene, the import volume of styrene monomer has been maintained at 5 million tons per year in the past 10 yea.
At the same time, styrene plants with an annual output of 300,000 tons and above are all constructed with foreign styrene process technology, and foreign technology is in a monopoly positi.
