在聚苯乙烯生产装置投用注水系统进行脱挥，分析了聚苯乙烯残留单体含量的主要影响因素；对注水系统提出了改进建议。
Water injection system were used in removing unreacted styrene from polystyrene, The main factory of effecting residual monomer content of polystyrene were discussed.
通过对产物中残留单体的检测，分析出反应物的转化率为90%以上。
It is found conversions of each monomer reaches 90% by analysing the leftover monomer in the product.
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