Abstract
Day to day increase in air pollution is one of the serious issues nowadays. One of the main contributors is automobile emissions. It contains gases like carbon dioxide, carbon monoxide, hydrocarbon, nitrogen oxides, and particular matters. In order to address such issues, this paper is focused on the reduction of emissions by modifying the design of an exhaust after-treatment device. The analysis is carried out on a 4-stroke single-cylinder 149cc FZ-S BS4 bike two-wheeler gasoline engine.CO and HC emissions absorbed by an aqueous solution having different TDS of aqua 90ppm RO water, 1000ppm Municipality water, and 10000ppm seawater. Such aqueous solution contains calcium powder and activated carbon in 10:0.5:0.5, 10:1:1 and 10:2:2 in proportion respectively. An optimum solution derived which having a mixture of 10:1:1 proportion having 10000ppm seawater is derived which shows reduction in CO by 50% and HC emission by 40% as compare conventional muffler exhaust emission. The IoT device is used with the MQ-7 sensor to measure CO emission from a modified device and data obtained are compared with PUC (Pollution under control) certified center. This research is to optimize emission from the existing gasoline engine, from April 2017 BS4 is implemented in INDIA nationwide & BS6 will be going to implement by 2020. From April 2017 manufacturer are not allowed to build new engines below BS4 standard but customer those who are having an older version of engines are not having any effect of BS4 & their engines are still emitting more pollution than the current emission norms. More than 100 million of twowheeler engines were sold in between Feb‘06- March’17. This study aims to provide a solution for such engines not from the manufacturer side but from the consumer side to upgrade their vehicle to satisfy future emission norms so that human health will be less affected by such emissions.
Highlights
One of the exhausts after-treatment device is an aqua silencer
The modified design of the exhaust after-treatment device is as shown in figure 2
Ro water having nearly 100ppm Municipality water having tds 1000 ppm and 10000 ppm seawater is used in order for preparation of the aqueous solution
Summary
One of the exhausts after-treatment device is an aqua silencer. A metallic mesh covers the activated charcoal layer Such assembly is placed in container consists of aqua. This design of an exhaust after-treatment device is having few drawbacks. The catalytic converter is used as an exhaust aftertreatment device that uses expensive material like platinum, rhodium as a reduction catalyst has a Figure 1 Conventional aqua silencer design [1]. The internal geometry of it has been modified as per engine condition during driving This design gives antinoise or modulates pulsating exhaust gas flow in order to smoothen the gas pressure and to give sound attenuation. Published By: Modifying Exhaust After-Treatment Device For Complying With Future Emission Norms. A one-inch pipe of PVC with maximum transparency is used to attach silencer with the device
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