刘悦,郭亮,孙健,张增帅,廖倩茹

• 1:中国海洋大学环境科学与工程学院
• 2:中国海洋大学山东省海洋环境地质工程重点实验室
• 3:中国海洋大学海洋环境与生态教育部重点实验室

摘要(Abstract)：

高盐度废水可以产生于多种途径,如沿海城市用海水冲厕产生含盐生活污水,食品加工等工业生产过程中产生含盐工业污水。这些污水经过污水处理厂处理之后,会产生大量含盐污泥,污泥中的盐度给后续污泥处理增加了难度。嗜热菌预处理技术(S-TE)可以高效破解污泥絮体和微生物细胞,将其中的有机物释放到液相中,使后续处理更为高效。本文通过测定水解过程中污泥底物的胞外聚合物(EPS)和溶解性有机物(DOM)中SCOD、蛋白质和糖的浓度变化,并利用三维荧光光谱技术(EEM)结合积分区域分析法(FRI)分析了底物EPS和DOM中有机物的成分及含量变化,探究了不同盐度(0.0%~4.0%)的污泥经S-TE预处理后的水解效果。通过测定污泥总悬浮固体(TSS)和挥发性悬浮固体(VSS)的变化,分析了污泥的减量效果。结果表明,低盐度条件(1.0%~2.0%)有利于污泥水解过程中有机物的释放;2.0%盐度条件下得到的水解液的可生化性最好;随着盐度的升高,污泥减量化效果下降。

关键词(KeyWords)： 嗜热菌预处理;污泥水解;三维荧光光谱技术;积分区域法;污泥减量

Abstract:

Keywords:

基金项目(Foundation): 山东省自然科学基金项目(ZR2017MEE067);; 青岛市科技计划项目(16-5-1-20-jch);; 青岛海洋科学与技术国家实验室海洋生态与环境科学功能实验室开放基金项目(LMEES201805)资助~~

作者(Author): 刘悦,郭亮,孙健,张增帅,廖倩茹

DOI: 10.16441/j.cnki.hdxb.20180128

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