A Review Study on Operational Parameters and Biological Reactors Suitability for VOC Biodegradation in Drug and Pharmaceutical Industrial Wastewater
The majority of the components that make up pharmaceutical industry wastewater are solvents. During the treatment of treating this kind of industrial waste water, there is a significant risk of the emission of volatile organic compounds. The toxicity caused by solvents has a negative impact on the efficiency of anaerobic systems, while the considerable aeration that occurs during the aerobic process helps to increase the removal of volatile organic compounds into the atmosphere. The majority of the earlier experiments focused on removing COD from wastewater from pharmaceutical companies. It is necessary to have an understanding of the variables that promote the system of volatile organic compounds (VOCs) in biological systems in order to investigate the many solutions available for lowering their emission. Throughout this paper, the ways that volatile organic compounds (VOC) can be controlled from biological reactors are emphasized. This study came to the conclusion that biological systems with high biomass retention, longer hydraulic retention times, and controlled air flow speeds up the breakdown of volatile organic compounds (VOC) in wastewater. This leads to less VOC being released from wastewater treatment units, which is a good thing.
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