Abstract：
:The inhibitory effect of high-strength NH(3)-N on anaerobic biodegradation of landfill leachates in an EGSB bioreactor has been investigated. The research compared start-up performance of the reactor treating the landfill leachate with NH(3)-N in 242-1200 mg/l to that treating the compost leachate with NH(3)-N in 38-410 mg/l. The observations showed that the performance of the reactor treating the landfill leachate was only marginally worse than that treating the compost leachate at the mesophilic temperature when NH(3)-N concentration was under 1500 mg/l. We also noted that NH(3)-N at the concentration of 1500-3000 mg/l inhibited the biodegradation. The comparative biodegradation performance at the mesophilic and atmospheric temperature demonstrated that the maximal OLR of atmospheric digestion was only reduced to 44 kg COD/m(3)d. These findings indicate that landfill leachates with NH(3)-N less than 1500 mg/l could be efficiently treated in the EGSB bioreactor even under the atmospheric condition with methane generated.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Liu J,Luo J,Zhou J,Liu Q,Qian G,Xu ZPdoi
10.1016/j.biortech.2011.11.114subject
Has Abstractpub_date
2012-06-01 00:00:00pages
239-43eissn
0960-8524issn
1873-2976pii
S0960-8524(11)01725-1journal_volume
113pub_type
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