To conserve the earth’s environment from degradation and also the public health from Air pollution it is very imperative than serious steps are to be taken for conserving them and Aqua silencer is an attempt to do so. Aqua silencer is mainly used for dealing with the emission and noise. An aqua  silencer is generally attached to the exhaust of 2-strokeengine. In this Aqua silencer both the Lime water wash method and Absorption method are used. The gases like HC, CO from the engine exhaust are absorbed. The final emission is analyzed using an automobile gas analyzer and the reduction of gases HC, CO is measured.

 

CHAPTER ONE
1.0                                      INTRODUCTION
Air pollution is a major problem. The main pollutants contributed by automobiles  are (CO), Un-burnt Hydro Carbon (UBHC), (NOx) and Lead etc. Other sources which cause pollution are electric power generating stations and Industries. So it is imperative that serious attempts should be made to conserve earth’s environment from degradation. An aqua silencer is an attempt in this direction. It mainly deals with control of emission and noise. An aqua silencer is fitted to the exhaust pipe of an engine. Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms or damages the natural environment. These substances called pollutants can occur naturally or they can be produced by human activities. Natural pollutants include dust, pollen, salt particles, smoke from forest fires, and gases from organic waste. Most pollution caused by human activities is directly or indirectly the result of burning of fuels in furnaces or engines1-3.

1.2                                             OBJECTIVE OF THE PROJECT

Now a days, Transportation and Industrial areas are goes on increasing, and along with them various pollutions are also increasing. It affects the environment of world very badly. The main contributor in this pollution is Automobiles i.e Exhaust gases from engine. The main pollutants are CO, CO2, etc. Hence, for removal of this contents or to covert them in Harmless gases, various techniques Are developed by some countries but they are expensive and in Developing country like India, we need Cheap and Effective technique. An Aqua Silencer is one of them. Hence it is used to reduce the pollutants and noise of emission from engine.

1.3                                          SIGNIFICANCE OF THE PROJECT

1. At running of engine, there is no vibration.
2. Easy starting.
3. Reduce noise and pollution at greater level.
4. Carbon is separated.
5. Cost is low.
6. Easy construction and working.
7. No need of catalytic converter.

1.4                                             PROBLEM OF THE PROJECT

1. Lime water should be filled once in a year.
2. Weight is more compared to conventional silencer.
3. Space is required.

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