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aqua silencer

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aqua silencer
CHAPTER I

INTRODUCTION:

An aqua silencer is used to control the noise and emission in ic engines. The reason why we go for aqua silencer is, in today life the air pollution causes physical ill effects to the human beings and also the environment. The main contribution of the air pollution is automobiles releasing the gases like carbon dioxide, unburned hydrocarbons etc. In order to avoid this type of gases by introducing this aqua silencer. It is fitted to the exhaust pipe of the engine, Sound produced under water is less hearable than it produced in atmosphere. This mainly because of small sprockets in water molecules, which lowers its amplitude thus, lowers the sound level. The emission can be controlled by using the activated charcoal layer and it is highly porous and posses extra free valences so it has high absorption capacity. So absorb the gases from the engine and release much less position to the environment. The noise and smoke level is considerable less than the conventional silencer, no need of catalytic converter and easy to install.

CHAPTER 2

COMPONENTS AND EXPALANATION:

COMPONENTS: Perforated Tube. Charcoal Layer. Outer Shell. Non Return Valve. Flange. H-Nipple.
EXPLANATION:
PERORATED TUBE The perforated tube consists of number of holes of different diameters. It is used to convert high mass bubbles to low mass bubbles. The charcoal layer is pasted over the perforated tube.

Fig 1.Perforated Tube CHARCOAL LAYER The charcoal layer has more absorbing capacity because it has more surface area. This charcoal is called as ACTIVATED CHARCOAL. It is produced by heating the charcoal above 1500 ‘c foe several hours in a burner. Its surface area gets increased.

Fig 2.Charcoal Layer
Outer Shell: The whole setup was kept inside the outer shell. It is made up of iron or steel. The water inlet, outlet and exhaust tube was



References: Bansal T K and Sharma H R 1992 Chromium removal by adsorption on rice husk ash. Indian J. Environ. Prot. 12 (3): 198201. D.M.Gedziora 1970,Exhaust Silencer Journal on Flow Consideration in Industrial Silencer Design by George Feng S. Ristic and Tonkovic M 1986 Sorption of chromium (VI) on hydroxide iron oxides Z. Wass. Abwass. Forsch. 19: 186196. Prabavathi Nagarajan and Priscilla Prabavathi 2005 A Study of removal of Pb (II) by adsorption technique using carbonized tamarind seed and coast. Indian J. Environ. Prot. 25(5): 433  435. Gupta, R.K., et al. Ecology of polluted waters A.P.H. Publishing Corporation, New Delhi, p. 231-243, (2002).

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