Treatment of Oily Wastewater with Membrane Bioreactor Systems

被引：36
|
作者：
Capodici, Marco [1 ]
Cosenza, Alida [1 ]
Di Trapani, Daniele [1 ]
Mannina, Giorgio [1 ]
Torregrossa, Michele [1 ]
Viviani, Gaspare [1 ]
机构：
[1] Univ Palermo, DICAM, I-90100 Palermo, Italy
来源：
WATER | 2017年 / 9卷 / 06期
关键词：
oily wastewater; total petroleum hydrocarbon; membrane fouling; ACTIVATED-SLUDGE; FOULING MECHANISMS; SALINITY VARIATION; MIXED LIQUOR; MBR SYSTEMS; PILOT-PLANT; START-UP; PERFORMANCE; HYDROCARBONS; MICROFILTRATION;
D O I：
10.3390/w9060412
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The aim of the present work was to investigate the behavior of a membrane bioreactor (MBR) system for the treatment of oily wastewater. A bench scale MBR was fed with synthetic wastewater containing diesel fuel. Organic carbon, hydrocarbon and ammonium removal, kinetic constants, extracellular polymeric substances production, and membrane fouling rates were monitored. The MBR plant was operated for more than 200 days, and the results highlighted good carbon removal and nitrification, suggesting a sort of biomass adaptation to hydrocarbons. Membrane fouling analysis showed an increase in total resistance, likely due to hydrocarbons, which caused an irreversible fouling (pore blocking) mainly due to oil deposition.
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页数：11
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