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Oil palm biomass generates an abundance via the oil palm industry such as Palm kernel shell (PKS), empty fruit bunch (EFB), frond, trunk.  Problem Statement: The main issue nowadays is global warming; one of the factors is the increment of CO2 content in the atmosphere. In order to reduce the CO2 content in the atmosphere, biomass is used, as it is a renewable, sustainable, and cost-effective alternative energy source that needs to be adopted in the energy mix. The objective of this study was to improve the quality of bio-oil.  Approach: In this research, an empty fruit bunch (EFB) was utilized in a fixed bed reactor, and pyrolysis oil was upgraded via a thermal distillation reactor. The temperature of pyrolysis was 500 °C, and the temperature of thermal distillation was 100 °C. Gas chromatography-mass spectroscopic and ultimate analysis was utilized to investigate chemical composition.  Results: The maximum distilled bio-oil yield was 60- 65 % at 100 °C. The heating value of bio-oil was 21 MJ/kg, and distilled bio-oil was 30 MJ/kg. The density of bio-oil was 1035 g/mL, and distilled bio-oil was 980 g/mL  Conclusion: The results showed that the distilled bio-oil obtained from EFB bio-oil has a high heating value low oxygen content than it can use as fuel in engines.

Eutrophication is the process of enrichment of water source due to excess of nutrients or organic matter that promotes primary production owing to the growth of algae and other plants and also reduce total dissolved oxygen. It is a concern as it has numerous negative impacts not only on ecology but also aesthetically, recreationally and economically. Constructed floating wetlands have been recognized as effective mechanisms for water treatment. They are engineered system designed to enhance the interaction that occurs in natural wetlands between water, plants, microbes, soil and atmosphere in order to remove pollutants from water in a more natural and passive manner. If Constructed Floating wetlands are able to reduce nutrient load of eutrophic water then they can be implemented to restore the conditions of various lakes, which are suffering with contamination by point and non-point sources of pollution. Predominantly, these floating wetlands themselves being eco-friendly can be extremely successful in reinvigorating animal populations and providing natural beauty in areas that are otherwise lacking.

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