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Performance of pilot scale anaerobic biofilm digester (ABD) for the treatment of leachate from a municipal waste transfer station
Bioresource Technology ( IF 11.4 ) Pub Date : 2018-03-30 , DOI: 10.1016/j.biortech.2018.03.131
Y. Arij , S. Fatihah , A.R. Rakmi

The anaerobic treatment of leachate from a municipal waste transfer station in Malaysia was tested using a pilot scale anaerobic biofilm digester system that was operated under HRT sequence of 30-day, 25-day, 20-day and 10-day for 163 days under mesophilic conditions. Despite the leachate’s complex characteristics, the system showed great performance given its maximum COD, BOD5 and total phosphorus removal efficiencies of 98 ± 1%, 99 ± 1% and 92 ± 9% respectively. The system was stable throughout its operation and showed optimal average values for the monitored parameters such as pH (7.53 ± 0.14), total VFA (79 ± 66 mg HOAc/L), alkalinity (10,919 ± 1556 mg CaCO3/L) and a non-toxic value for accumulated ammonia (960 ± 106 mg NH3-N/L). Measurement of the average daily biogas production yielded a value of 25 ± 1 m3/day throughout the system’s operation with a composition of 57 ± 12% methane and 26 ± 6% carbon dioxide.



中文翻译:

中型厌氧生物膜消化器(ABD)处理市政废物转运站渗滤液的性能

使用中试厌氧生物膜消化器系统测试了马来西亚城市垃圾转运站的渗滤液的厌氧处理,该系统在中温环境下分别在30天,25天,20天和10天的HRT序列下运行163天条件。尽管渗滤液具有复杂的特性,但由于其最大的COD,BOD 5和总磷去除效率分别为98±1%,99±1%和92±9%,因此该系统仍具有出色的性能。该系统在整个运行过程中均保持稳定,并显示了监测参数的最佳平均值,例如pH(7.53±0.14),总VFA(79±66 mg HOAc / L),碱度(10,919±1556 mg CaCO 3 / L)和累积氨的无毒值(960±106 mg NH 3-N / L)。在系统的整个运行过程中,对每天平均沼气产量的测量得出的值为25±1 m 3 / day,其组成为57±12%的甲烷和26±6%的二氧化碳。

更新日期:2018-03-30
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