The fraction of benzyl benzoate and fluorenone were enriched from benzoic acid residua by flash distillation,then separated by vacuum batch distillation,so the recovery of benzoic acid residua was implemented.

Comprehensive Utilization of the Stillage Residue of Benzene and Sour Tar;

Study on treatment for waste still liquor of hydrochloric thiamine manufactured by supercritical water oxidation;

Study on cauldron bottom residue of antibiotic by the acid to separate and flocculation treament;

The paper introduces the treatment of methanol residue in jacketed boilers of gas - making workshop to realize methanol residue zero emission, thus resolving the pollution of methanol residue.