Biodegradation and Detoxification of Sanitary Landfill Leachate by Stabilization Ponds System

被引：6
作者：
Costa, Rejane H. R. [1 ]
Martins, Claudia L. [1 ]
Fernandes, Heloisa [1 ]
Velho, Viviane F. [1 ]
机构：
[1] Univ Fed Santa Catarina, Dept Sanit & Environm Engn, CTC, ENS, Campus Univ Trindade, BR-88010970 Florianopolis, SC, Brazil
来源：
WATER ENVIRONMENT RESEARCH | 2017年 / 89卷 / 06期
关键词：
landfill leachate; refractory compounds; biological treatment; stabilization ponds; toxicity evaluation; ORGANIC POLLUTANTS; SOLID-WASTE; PHTHALATE PLASTICIZERS; TOXICITY; REMOVAL; AMMONIA; CHLAMYDOMONAS; PERFORMANCE; EXPOSURE; NITROGEN;
D O I：
10.2175/106143016X14798353399052
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The performance of a pilot stabilization ponds system was evaluated for the treatment of sanitary landfill leachate, focusing on effluent detoxification. Three serial ponds (anaerobic-P1, facultative-P2, and maturation-P3) were evaluated during two different operational conditions: natural condition (period 1) and 24 hours of artificial aeration in P2 (period 2). The ponds system exhibited removal efficiencies of 53% for soluble chemical oxygen demand (SCOD), 81% for filtered biochemical oxygen demand (FBOD), and 84% for NH4+-N during period 1 and 70% for SCOD, 80% for FBOD, and 96% for NH4+-N during period 2. Most metals (Fe, Cu, Cd, Zn, Cr, Ni, and Pb) and organic compounds in the leachate were significantly reduced in the treatment system, with greater reductions during period 2. Moreover, toxicity tests demonstrated the capacity of the system to reduce the toxicity of the raw leachate (up to 89% toxicity reduction).
引用
收藏
页码：539 / 548
页数：10
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