A Quick Method for Determination of Chemical Oxygen Demand of Saponification Residue;

Starch separation process for the extraction of diosgenin from Dioscorea zingiberensis C.H. Wright;

Study on citric acid fermenting conditions of waste liquor after Dioscorea zingiberensis extrcting diosgenin;

Study on chemical pretreatment of saponin wasterwater;

Study on the separation of raw liquor of saponin hydrolyzing with nanofiltration;

Remediation of heavy metal contaminated soil using saponin;

Study on application of saccharifying enzyme in extraction of sapogenins in Dioscorea zingiberensis;

Wastewater Produced in Saponin of Dioscorea zingiberensis Productive Process whose components are complex contains much non-biodegradable sapogenin and surface activated matter, with puce color and high degree of acidity.