alm oil milling is invariably accom-panied by the generation of effluent. Compositional analyses and rumen degradability of selected tropical feeds. It is hot (80–900°C) and has a high BOD, which is 100 times as contaminating as domestic sewage [1]. For instance, in Nigeria, the decanted sludge analysed by Bamikole et al., 2009 contained about 80 mg/kg DM of Cu, and such a high level of copper could be toxic to sheep. Microalgae naturally exist in many palm oil mill processes, phenomena known as “algae bloom,” hence declining the water quality. At an average, about 0.1 tonne . Palm oil mill effluent (POME) waste treatment plants cater all raw effluent produced. In general, there are four types of treatment systems adopted by the palm oil industry, which are as follows: The most proper secondary treatment for POME is natural assimilation with the blend of anaerobic and aerobic ponds. Biotechnol. After biogas production, the treated palm oil mill effluent (POME) is generally discharged into the environment. 4. Sterilization deactivates the lipases in the fruits, and prevents build-up of free fatty acids (FFA). Most palm oil millers favor the culture of microalgae as a tertiary treatment before POME is released because of practically low cost and high impact. In conclusion, the research was carried out mainly to investigate the influence of discharging POME from the treatment plant especially in tropical region like Malaysia and the effect on microalgae growth efficiency in POME. While the palm oil industry has been recognized strongly for its contribution toward economic growth and rapid development, it has also contributed to environmental pollution due to the production of large quantities of by-products during the process of oil extraction [2, 3]. The characteristics of POME depend on the quality of the raw material and the production processes [24]. The technology is the latest design that offers improved milling efficiency, and reduced labour and maintenance cost. On average, 1.5 m3 water is needed to pro-cess 1 t of fresh fruit bunches and half of this ends up as POME. By Hesam Kamyab, Shreeshivadasan Chelliapan, Mohd Fadhil Md Din, Shahabaldin Rezania, Tayebeh Khademi and Ashok Kumar, Submitted: November 25th 2017Reviewed: February 22nd 2018Published: November 5th 2018. palm oil mill effluent (POME), estimated at nearly three times the quantity of crude palm oil (Wu, 2009). *Address all correspondence to: hesam_kamyab@yahoo.com. Agricultural Wastes, 11 (1): 61–71, Jawahar Ali A. ; Brendonck, L., 1995. The world palm oil production is shown in Table 1. In the process of palm oil milling, POME is generated through sterilization of fresh oil palm fruit bunches, clarification of palm oil and effluent from hydrocyclone operations. Technol., 33 (3) : 271-280, Shibata, M. ; Osman, A. H., 1988. Raw or concentrated palm oil effluent can be absorbed on cassava meal, dehydrated grass or palm kernel cake and dried into feed cakes (Göhl, 1982; Devendra et al., 1983). The concentration extend about POME in various accepting water body may give high effect on the aquatic environments if the release surpasses the limit of standards set by Malaysia Environmental Quality Act. The effluent is not hazardous, as no chemicals are added to the extraction procedure [43], and also acidic with a pH around 4.5 as it contains organic acids in complex forms that are suitable to be used as carbon sources [44]. Ash ranges from 9 to more than 30% DM and protein is generally low (10-15% DM). The oily waste has to be removed to prevent problems which are considered as hazardous pollutants particularly in the aquatic environments because they are highly toxic to the aquatic organisms. Palm Oil Mill Effluent (POME) is the wastewater discharged from the sterilization process, crude oil clarification process and cracked mixture separation process. Dried palm oil sludge and its fermented product for growing drakes. By utilizing the ingredients present in POME, this study will play a major role to solve the pollution problem resulting from the POME as it will pollute the environment if it is improperly discharged into the environment. Dan Veteriner, 5 ( P.E as an environmental pollutant, palm oil mill effluent contains water! Water quality ; Amakiri, A. M., 2008 supplement substance [ 4 ] since by! The business interests of publishers is versatile in several applications for either food or non-food uses Tuah, ;... Discharge can lead to land and aquatic pollution if it is necessary to properly address POME., S., 1997 gainful use of assets the expectancy of over 200,... Of improperly treated POME creates adverse impact to the river may lead to pollution might... 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