前言：介绍了聚氨酯合成革工业的典型生产工艺及生产过程中废水、废气、废渣等污染物产生的来源。
The essay describes the typical process of PU synthetic leather production and its pollution, the approaches of cleaner production in process substitution, process optimization and waste reuse.
前言：介绍了聚氨酯合成革工业的典型生产工艺及生产过程中废水、废气、废渣等污染物产生的来源。
The essay describes the typical process of PU synthetic leather production and its pollution, the approaches of cleaner production in process substitution, process optimization and waste reuse.
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