| dc.creator |
Pamukoglu, Muhammet Yunus |
|
| dc.creator |
KARGI, F |
|
| dc.date |
2004-04-01T21:00:00Z |
|
| dc.date.accessioned |
2020-10-06T09:35:46Z |
|
| dc.date.available |
2020-10-06T09:35:46Z |
|
| dc.identifier |
27fdff8d-fb6d-4a3a-b016-4efc329ece05 |
|
| dc.identifier |
10.1016/j.enzmictec.2003.11.016 |
|
| dc.identifier |
https://avesis.sdu.edu.tr/publication/details/27fdff8d-fb6d-4a3a-b016-4efc329ece05/oai |
|
| dc.identifier.uri |
http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/55875 |
|
| dc.description |
High chemical oxygen demand (COD), high ammonium-N content and presence of toxic compounds such as heavy metals result in low removal efficiencies in direct biological treatment of landfill leachate. Raw landfill leachate was subjected to pre-treatment by coagulation-flocculation and air stripping of ammonia before biological treatment. Pre-treated leachate was subjected to biological treatment in an aeration tank operated in repeated fed-batch mode in the absence and presence of powdered activated carbon (PAC) as adsorbent. Three different cycles of I x 30 h, 3 x 10 h, and 5 x 6 h were used in the absence and presence of 2 g l(-1) PAC. The results clearly indicated that PAC addition has improved COD removal significantly as compared to PAC-free biological treatment. Repeated fed-batch treatment also resulted in lower effluent COD and higher COD removal efficiencies as compared to single-cycle operation. The feed COD of 7000 mg l(-1) was reduced to final COD values of 365 mg l(-1) and 875 mg l(-1) in repeated fed-batch experiments with 5 x 6 h cycles in the presence (2 g l(-1) PAC) and absence of PAC, respectively. Repeated fed-batch operation with 3 x 30 It cycle length resulted in percent COD removal and final COD content of 94% and 285 mg l(-1), respectively, with 2 g l(-1) PAC addition. (C) 2003 Elsevier Inc. All rights reserved. |
|
| dc.language |
eng |
|
| dc.rights |
info:eu-repo/semantics/closedAccess |
|
| dc.title |
Repeated fed-batch biological treatment of pre-treated landfill leachate by powdered activated carbon addition |
|
| dc.type |
info:eu-repo/semantics/article |
|