活性污泥缓冲性能研究On the buffering performance of activated sludge
孙津鸿;张书廷;姚艳;
摘要(Abstract):
探索一种新的参数,使之能够较为全面地反映活性污泥的性质,简化活性污泥评价系统。通过测定不同活性污泥的p H值和ORP(氧化还原电位)缓冲容量,研究污泥缓冲能力及与污泥性质的关系,探索它成为评价活性污泥系统参数的可行性。结果表明,活性污泥对酸、碱、氧化剂和还原剂有一定的缓冲能力,其缓冲容量与污泥性质有相关性,且缓冲容量高的污泥的沉降性、脱水性和絮凝性好,即活性污泥水处理和后期污泥处理容易进行,因此,可将污泥p H值和ORP缓冲性能作为评价污泥系统的参数。研究表明,污泥p H值和ORP符合能斯特方程的线性关系。
关键词(KeyWords): 环境工程学;活性污泥;p H值;ORP缓冲容量;污泥性质
基金项目(Foundation):
作者(Authors): 孙津鸿;张书廷;姚艳;
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