[Anaerobic biodegradation of nitrophenols with glucose as co-substrate].
A batch anaerobic test was conducted to examine the biodegradation of 2-nitrophenol, 4-nitrophenol, 2,4-dinitrophenol and 2,6-dinitrophenol through measuring accumulative methane production. The Relative activity values were used to judge the inhibition level of nitrophenols on methanogenic bacteria. The test conditions was as follow: glucose was used as co-substrate and the temperature is 35 degrees C. It didn't cause inhibition when concentrations of 2-nitrophenol, 4-nitrophenol, 2,6-dinitrophenol and 2,4-dinitrophenol were below 24mg/L, 20mg/L, 12mg/L and 4mg/L respectively. Slight inhibition was caused when concentrations of 4-nitrophenol and 2,6-dinitrophenol were 24mg/L and 16mg/L-24mg/L respectively. Middle inhibition when concentrations of 2,4-dinitrophenol were 8mg/L-24mg/L was observed. The inhibition level was 2,4-dinitrophenol > 2,6-dinitrophenol > 4-nitrophenol > 2-nitrophenol.
She
Zong-lian
ZL
Laboratory of Marine Environmental Science and Ecology, School of the Environmental Science and Engineering, China Ocean University, Qingdao 266003, China.
Yu
Jian-wei
JW
Jin
Chun-ji
CJ
D001421:Bacteria, Anaerobic / Q000378:metabolism*; D001673:Biodegradation, Environmental; D005947:Glucose / Q000737:chemistry*; D009596:Nitrophenols / Q000737:chemistry*; D014865:Waste Disposal, Fluid / Q000379:methods*; D018508:Water Purification / Q000379:methods
D009596:Nitrophenols; D005947:Glucose