MOPGC/PORIM progress report on palm oil raw effluent utilization [in Malaysia]
1983
Yeow, K.H. | Zin Zawawi Zakaria
This paper reviews the preliminary results of investigations conducted by organizations represented in the MOPGC Effluent Sub-Committee on POME utilization. To-date, research activity on raw effleunt utilization has been very limited on account of the DOE's reservations on land application. Analyses of raw effluent have indicated that it contains substantial amounts of N, P, K and Mg nutrients. When applied to the land at controlled rates, normal oil palm growth and yield have been recorded and no pollution has normal oil palm growth and yield have been recorded and no pollution has been detected. However, in situations where the dosages were excessive, exceeding 16000 kg per palm per year, yields were depressed; and a single application of 1000 kg per palm resulted in high BOD levels in percolating ground water. In terms of fertilizer equivalent the nutrients present in raw effluent have high value. Effluent from a mill processing 5500 tonnes ffb per month contains nutrients worth $176000 (based on 1981 fertilizer price) for palms located on inland soil
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