1. The palm oil industry produces wastewater which contains very high organic compounds and nutrients. As an environment

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1. The palm oil industry produces wastewater which contains veryhigh organic compounds and nutrients. As an environmentalconsultant, provide recommendations for the treatment unit for thewastewater and explain your reasons for recommending the treatmentunit.
2. The phytoremediation process of heavy metal polluted wastewith water hyacinth plants produces a large amount of biomass. Inyour opinion, can this biomass be used as raw material forbioenergy? If possible, explain how the biomass processing processis carried out.
3. The characteristics of biowaste produced from domesticactivities are very diverse. The biowaste will be used for thebiogas/biomethane production process. Can biogas/biomethaneproduction from biowaste be formed under aerobic conditions? If youcan, explain how the biogas/biomethane is formed.