Petrochemical Sector and Pollution Control SystemSCG BST – BST Expansion ProjectPetrochemical Sector and Pollution Control SystemThai Oil – RHCU Pilot PlantPetrochemical Sector and Pollution Control SystemExxon Mobil – Biological Oxidation SystemPetrochemical Sector and Pollution Control SystemIRPC – Polypropylene Compound and Specialties (PPC)Petrochemical Sector and Pollution Control SystemIRPC Flue Gas Cooler Unit for DCC PlantPetrochemical Sector and Pollution Control System IRPC Seawater FGD Improvement for boiler unit 02Petrochemical Sector and Pollution Control SystemIRPC Install Electrostatic Precipitator for DCC plantPetrochemical Sector and Pollution Control SystemIRPC Install Electrostatic Precipitator for RDCC plantPetrochemical Sector and Pollution Control SystemIRPC Central Wastewater Treatment Plant (CWTP) 12