美国抽水灌气生物法是美国环保局专利产品,发明人是污水处理专家文尼克瑞尔博士,至今在中国仍未使用。该技术的优点是污水处理后水质可以作为资源达到饮用水标准,投资比中国一般的工艺方法费用不高,而且处理过程中不对环境造成新的污染(如不 US pumped biological method is the United States EPA’s patented product, the inventor is a sewage treatment expert Dr. Wen Nick Riel, has not been used in China. The advantage of this technology is that the water quality after the sewage treatment can reach the standard of drinking water as a resource, the cost of investment is not high compared with the general process in China, and the environment is not polluted by the new process (if not