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ZoP Crassostrea iredalei (Tropical oyster) shells as Vehicle Exhaust Filter for Carbon Monoxide, Nitrogen Oxide and Carbon Dioxide

autorzy: Erin Julianne B. Mariano Ann Samuelle T. Nolasco Khatrina Bianca C. Salvador

In this work, the effect of using CaCO3 from oyster shells as filter for vehicle exhaust emissions was evaluated. The filter media was placed in a metal cylinder and connected to the tailpipe of two (2) test vehicles (diesel and gasoline). The results showed a significant reduction in hydrocarbons HC and oxygen O2 emissions in gasoline and K-value in diesel, after the filter media was installed in the vehicles’ tailpipes, indicating that the filter made from oyster shells is effective as a vehicle emission filter