Hydrotreated vegetable oil production from palm oil mill effluents: Status, opportunities and challenges

Summary: This article discusses the widespread use of ponding system or land application techniques for palm oil mill effluent (POME) treatment, particularly the integrated anaerobic-aerobic bioreactor (IAAB). Various POME treatment methods are explored in depth, with a focus on the promising IAAB system. The article also looks at the challenges and future prospects of POME treatment.