The best demulsifiers selected out are AED 78 and AED 23, TDI chain extended diblock polyethers and the best water clarifying agents-QBS 05, a cationized benzylstarch, and QS 06, a cationized starch.

• 破乳性能最好的破乳剂是AED?78和AED?23（甲苯二异氰酸酯扩链的双嵌段聚醚），净水剂是QBS?05（阳离子苄基淀粉）和QS?06（阳离子淀粉）。