The graphite electrode sludge was sampled from a huge chloralkali plant in central China. The total level of PCDD/F was ......

我国烧碱供过于求，市场低迷，行业竞争激烈；氯产品深度加工不够，产品附加值低，需要重点关注和开发。部分ＰＶＣ生产企业原料路线改变，大量进口ＶＣＭ、......