PS—木素基两性表面活性剂是北京华能新资源公司新河县化工实验厂的专利产品，1993年被列为国家级重点推广新产品．1994年被列入国家火炬计划。PS是一个系列产品，基本型号有PS降粘刘、PS降凝剂、PS抗硫剂、PS抗硬水剂四种。自］992年在石油开采方面应用以来，经国内11个油田现 PS-lignin-based amphoteric surfactant is a patented product of Xinhe County Chemical Laboratory Plant of Beijing Huaneng New Resource Company. In 1993, it was listed as a national key promotion new product. 1994 was included in the national torch plan. PS is a series of products, the basic model PS Jiangni Liu, PS pour point depressant, PS anti-sulfur agent, PS anti-hard water agent four. Since the application of oil exploration in 992, 11 oil fields in China have been discovered