污染是科学家关注的热点问题，化学污染物是造成水污染的重要因素［１］．在水环境中，卤代苯是一类优先污染物（ｐｒｉｏｒｉｔｙｐｏｌｕｔａｎｔｓ）［２］．这类污染物毒性大，在环境中的半衰期长，美国环保局（ＥＰＡ）已经把它们列入优先污染物之列．Ｖｅｒｓｃｈｎ... Pollution is a hot issue that scientists are concerned about. Chemical pollutants are an important factor causing water pollution [1]. Halobenzenes are a class of priority pollutants in aqueous environments [2]. Such pollutants are highly toxic and have a long half-life in the environment and have been listed by the U.S. Environmental Protection Agency (EPA) as a priority pollutant. Verschn ...