The technology improved the level of comprehensive utilization of PVC residual liquid distillation and additional value.
该工艺显著提高了PVC残液的综合利用水平和附加价值.
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Alkaliseparation technology by separating alkali from residual liquid in papermaking black liquid is discussed.
对中小型造纸厂黑液碱回收,到目前为止尚无被公众认可的成熟技术.
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