Journal
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
Volume 38, Issue 21, Pages 3236-3241Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15567036.2016.1143063
Keywords
Aerobic denitrification; bio-ceramsite reactor; COD removal efficiency; Pseudomonas sp; Z31; TN removal efficiency
Funding
- National Natural Science Foundation of China (NSFC) [51378400]
- National Science and Technology Pillar Program [2014BAL04B04]
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An aerobic denitrifying bacteria Pseudomonas sp. Z31 was added to a bio-ceramsite reactor to treat nitrate polluted wastewater. The purpose of this work was to investigate the effects of temperature on aerobic denitrification process in the reactor. When temperature increased from 15 to 30 degrees C, nitrate (NO3--N) removal efficiency increased from 66.20 to 98.79%, total nitrogen (TN) removal efficiency increased from 61.34 to 96.76%, and chemical oxygen demand (COD) removal efficiency increased from 78.08 to 92.82%. In addition, large numbers of reported aerobic denitrifying bacteria such as Bacillus sp. and Pseudomonas sp. were detected in the bio-ceramsite reactor.
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