| A Study on the Mass Balance Analysis of Non-Degradable
Substances for Bioreactor Landfill |
| Seung-Kyu Chun† |
| Green Technology Research Center, Sudokwon Landfill Site Management Corporation, Incheon 404-706, Korea |
Corresponding Author:
Seung-Kyu Chun ,Tel: +82-32-5609-570, Fax: +82-32-5609-649, Email: tocsk@naver.com
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Received: October 8, 2012; Accepted: November 6, 2012. |
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| ABSTRACT |
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Analysis of hydrological safety as well as the determination of many substance concentrations are necessary when bioreactor systems
are introduced to landfill operations. Therefore, hydrological and substance balance model was developed since it can be applied
to various bioreactor landfill operation systems. For the final evaluation of the model’s effectiveness, four different methods of injections
(leachate alone, leachate and organic waste water, leachate and reverse osmosis concentrate, and all the above three combination)
was applied to 1st landfill site of Sudokwon landfill. As a result, the water content of the hypothetical cases for four different systematic
bioreactors is projected to be increased up to 35.5% in next 10 years, and this indicated that there will be no problems in meeting the
hydrological safety. Also, the final Cl- concentration after 10-yr time period was projected to be between from minimum 126 to maximum
3,238 mg/L, which could be still a decrease from the original value of 3,278 mg/L. According to the proposed model, whether the
substance concentration becomes increased or decreased largely depends on the ratio of initial quantity of inner landfill leachate and
the rate of injection. |
| Keywords:
Bioreactor landfill | Leachate recirculation | Mass balance | Substance accumulation |
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