The wastewater was recovered according to the classes, the sepn., dehydration and decoction of the wax (mainly rosin) from wax printing wastewater treatment by emulsion and NaOH treatment were investigated, and qualified wax was recovered finally.

• 摘要探讨了经乳化和氢氧化钠处理的蜡染印花废水（分类回收）中蜡（蜡染印花中蜡的主要成分是松香）的分离、脱水、熬制，最终得到合格回收蜡。