Of the several methods available for producing biodiesel, trans-esterification of natural oils and fats is currently the method of choice. (2007)

The data on flow, BOD, COD, TSS and TDS were collected from the common effluent treatment plant (CETP) for the period from June '96 to November '96. The data were analysed to assess the performance of the CETP in terms of removal efficiency for the above mentioned parameters. The original design of individual units in the CETP were scrutinized for their authenticity.