The Board of Directors of Tamilnadu Petroproducts Ltd (TPL) has approved three proposals – augmentation of capacity of Linear Alkyl Benzene (LAB) plant, modernization of HCD plant and setting up a Propylene Recovery Unit.   The capacity of Linear Alkyl Benzene plant would be increased from the existing 120 KTA of which about 90% is utilized at present to 145 KTA at an estimated cost of Rs. 240 crore. Post regulatory approvals, the project is expected to be completed in about 24 months.   The Caustic Soda unit of the HCD plant is proposed to be revamped at an estimated cost of Rs. 165 crore by replacing the mono-polar membrane technology with a more advanced world-class bipolar membrane technology. The per day capacity is expected to be increased from 150 TPD to 250 TPD and would be completed in about 18 months of statutory clearances. At present the average capacity utilization of the HCD plant is about 90%.   The setting up of Propylene Recovery Unit with an init...