期刊
BIOREMEDIATION JOURNAL
卷 16, 期 1, 页码 9-18出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10889868.2011.628350
关键词
waste; leachate; phytoremediation; nutrients; Eichhornia crassipes
资金
- Third World Academy of Science (TWAS) [3240223476]
Leachate from Pulau Burung landfill site was analyzed and treated using phytoremediation technique while water hyacinth (Eichhornia crassipes) was used as the phytoremediator. Some parameters analyzed included ammonia nitrogen (NH3-N), nitrate, nitrite, total Kjeldahl nitrogen (TKN), phosphate, and zinc. The range of values of nutrients such as the pH, ammonia nitrogen, TKN, phosphate and zinc during leachate characterization were 8.72 and 8.58, 1810 and 1070 mg/L, 1183 and 1120 mg/L, 46.4 and 31.2 mg/L, 11.1 and 5.4 mg/L, respectively. After phytoremediation, significant reduction was noticed in all the nutrients and zinc. Nitrite, phosphate and zinc values were between 91.9% and 98.2%, 4.4 to 0.6 mg/L and 1.1 and 0.1 mg/L, respectively. Statistical analyses showed significant differences between the planted and unplanted systems (p <=.05). It was established that Eichhornia crassipes had the capacity to remove nutrients and heavy metals from leachate, which requires treatment to minimize pollutants to an acceptable level before discharging into water courses.
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