MODIFICATION IN EXHAUST SYSTEM FOR POLLUTION CONTROL

Mechanical Engineering

Reliable removal of exhaust gas is achieved by means of a good exhaust system in an automobile industry. Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as petrol and diesel. According to the type of engine, it is discharged into the atmosphere through an exhaust pipe, flue gas stack or propelling nozzle. It often disperses downwind in a pattern called an exhaust plume. Harmful pollutants in these emissions include: Carbon monoxide, Nitrogen oxides, unburned hydrocarbons, Volatile organic compounds (VOCs) and Particulate matter. A case study is done in an automotive industry with the objective of reducing these exhaust pollutants inside the plant. Efforts are made to improve the current exhaust control system. The causes for failure of current system are identified and analyzed through DMAIC methodology. This research work is carried out at Volkswagen India Pvt. Ltd., Pune with a view of reducing the exhaust during the Engine Testing process carried out after the RBT (Roller Brake Test). The results revealed a remarkable decrease of pollution inside the plant and also a new device has been designed, developed and implemented to improve the current exhaust system.

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