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논문 기본 정보

자료유형
학술저널
저자정보
Phongphayboun Phonepaseuth (Chulalongkorn University) Viroj Rakkiatsakul (Chulalongkorn University) Boonlue Kachenchart (Mahidol University) Oramas Suttinun (Prince of Songkla University) Ekawan Luepromchai (Chulalongkorn University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제24권 제1호
발행연도
2019.3
수록면
127 - 136 (10page)

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Land application of treated palm oil mill effluent (TPOME) could be used as an alternative tertiary wastewater treatment process. However, phenolic compounds in TPOME might be leached to the environment. This study investigated the ability of grasses on reducing phenolic compounds in the leachate after TPOME application. Several pasture grasses in soil pots were compared after irrigating with TPOME from stabilization ponds, which contained 360-630 mg/L phenolic compounds. The number of soil bacteria in planted pots increased over time with the average of 10<SUP>8</SUP> CFU/g for mature grasses, while only 10<SUP>4</SUP>-10<SUP>6</SUP> CFU/g were found in the unplanted control pots. The leachates from TPOME irrigated grass pots contained lower amounts of phenolic compounds and had lower phytotoxicity than that of control pots. The phenol removal efficiency of grass pots was ranged 67-93% and depended on grass cultivars, initial concentration of phenolic compounds and frequency of irrigations. When compared to water irrigation, TPOME led to an increased phenolic compounds accumulation in grass tissues and decreased biomass of Brachiaria hybrid and Brachiaria humidicola but not Panicum maximum. Consequently, the application of TPOME could be conducted on grassland and the grass species should be selected based on the utilization of grass biomass afterward.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2019-539-000032863