Vinasse, a liquid waste from the bioethanol industry or from molasses distillation, has environmental hazard such as acidic pH, high organic content. Toxic contents like phenols making direct disposal into water bodies like river unacceptable. This study reviews the physicochemical properties of vinasse that could potentially to be converted into biogas as an environmentally friendly. The literature review was sourced from scientific research articles reputable international journal pages such as Science Direct, Scopus, as well as Final Project, Thesis, Dissertation documents relevant to the topic of characteristics and physicochemical properties of various materials used as feedstock for bioethanol industry. Literature study suggest that vinasse requires pretreatment to lessen its adverse impact. Anaerobic treatment is more effective than aerobic treatment in treating high COD effluents to produce biogas for renewable energy. Thus, anaerobic treatment of vinasse not only reduces environmental pollution but also provides other benefits in the form of energy.
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