铁碳微电解处理垃圾渗滤液生化出水效能  被引量:6

Performance of landfill leachate biochemical effluent treatment by Fe-C microelectrolysis

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作  者:姜珺秋[1] 郑敏 赵庆良[1] 魏亮亮[1] 丁晶[1] 张伟贤[1] 

机构地区:[1]哈尔滨工业大学市政环境工程学院,哈尔滨150090

出  处:《黑龙江大学自然科学学报》2017年第6期701-707,共7页Journal of Natural Science of Heilongjiang University

基  金:国家自然科学基金资助项目(51206036;51378144)

摘  要:针对经厌氧好氧处理过的垃圾渗滤液生化出水,以有机物去除和改善水质可生化性为目标,采用聚合铁碳球为填料的铁碳微电解物化处理技术,通过单因素实验与正交实验相结合,研究铁碳微电解的最优运行条件,获得最佳实验条件:进水pH值为4,运行时间为90 min,Fe-C质量对比4∶1,Fe-C用量为66.7 g·L^(-1)的渗滤液。同时,在最佳实验条件下,分析铁碳微电解系统运行的稳定性以及进出水水质的变化。结果表明,系统稳定性良好,经铁碳微电解处理,垃圾渗滤液的有机物分子量减小,耗氧呼吸速率增大1.89倍,可生化性有一定程度的提高。In this paper, Fe-C microelectrolytic technology with aggregated iron-carbon balls as fillers was used to treat the biochemical effluent of landfill leachate, aiming to remove the organic matter and to improve the biodegradability. The experimental conditions were optimized by both single factor experiment and orthogonal experiment. The optimal experimental conditions were as follows: the influent pH was 4, reaction time was 90 min, mass ratio of Fe: C was 4: 1, Fe-C concentration was 66.7 g · L-1 in leachate. The Fe-C micro-electrolysis system was stable under the optimized experimental conditions, and the COD removal rate achieved 28.93 ± 1.73 %. The molecular weight of leachate effluent decreased and the oxygen consumption rate increased by 1.89 times, thus the biodegradability of leachate effluent was improved.

关 键 词:垃圾渗滤液 Fe-C微电解 可生化性 参数优化 

分 类 号:X703.1[环境科学与工程—环境工程]

 

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