【摘 要】
：
通过连续过滤方法和实验室氯化、臭氧化实验研究了哈尔滨地区土壤提取液中天然有机物的卤代活性以及不同形态天然有机物的差异.比较了氯化和臭氧化条件下的卤代烃生成量及处
【机 构】
：
北京大学城市与环境学系,日本三菱电机先端技术研究所
论文部分内容阅读
通过连续过滤方法和实验室氯化、臭氧化实验研究了哈尔滨地区土壤提取液中天然有机物的卤代活性以及不同形态天然有机物的差异.比较了氯化和臭氧化条件下的卤代烃生成量及处理后的7日卤代潜力.研究结果表明,在数分钟的氯化实验中,憎水有机物、腐殖酸类化合物和非腐殖酸类亲水有机物的单位有机碳卤代烃生成量分别为1.46、0.35和4.03μg/mg(C).而7日卤代潜力则分别为6.6、57.2和40.6μg/mg(C).可见其差别不仅表现在热力学方面,而且反应在反应速率方面.在本实验条件下,臭氧化能够降低大约水样的一半卤代潜力.
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