据专家称,到2010年中国乙烯产量将达800～1 000万t/a。到2000年乙烯产量应达500万t/a(现生产能力为230万t/a);合成树脂达700～800万t/a,合成纤维达350～370万t/a;合成橡胶达70～100万t/a,石化产业将成为国民经济的支柱产业。小型裂解装置不经济,目前主要致力于现有装置的改扩建,到本世纪末,中国仍集 According to experts, by 2010 China’s ethylene production will reach 800 to 10 million t/a. By the year 2000, the ethylene production should reach 5 million t/a (the current production capacity is 2.3 million t/a); the synthetic resin should reach 700 to 8 million t/a; the synthetic fiber should reach 3.5 to 3.7 million t/a; and the synthetic rubber should reach 70 With 1 million t/a, the petrochemical industry will become a pillar industry of the national economy. Small-scale crackers are not economical. Currently, they are mainly dedicated to the reconstruction and expansion of existing installations. By the end of this century, China still sets