Ways To Prevent Air Pollution

The fact is that human activities contribute the most to air pollution. Considering the harmful effects of air pollution, now it is very essential that everyone should contribute a bit to prevent air pollution. There are certain ways that one can help to reduce the emission of air pollutants in the atmosphere. Following are some tips for preventing air pollution:

Car Pool:Forming and implementing a car pool will reduce the number of cars, thereby, preventing air pollution by cutting down the use offossil fuels. This way, it will help in the sustainable use of fossil fuel and its conservation for the future generations.

Vehicle Care:Timely servicing of the car helps to keep it in a good condition and also minimizes fuel exhaust. Driving the car at an average speed and turning off in traffic is a key to savefuel. Make sure to use unleaded petrol and opt for regular pollution checking of your car.

Public Transport:Whenever possible, try to travel by public transports. This helps in two ways; prevents air pollution and increases public income. If you are going to a nearby place, go bywalkingor use bicycle, instead of using your vehicle. The objective is to minimize the use of fuels, as far as possible.

Alternative Energy Source:Another effective way to prevent air pollution is to usealternative energy sourcessuch assolar energy, hydroelectric energy andwind energy. Nowadays, sophisticated technologies such aswind turbine, solar water heaters are introduced to generateelectricityand other energy forms for the household use.

Saving Energy:Saving energywill, of course, help to prevent air pollution. Switch off the lights, fans, air conditioners, televisions, and other appliances, when not in use. You can also share a room with others when the air conditioner or fan is on, instead of switching them on in every room.

Minimize Air Pollutants:Always try to minimize smoke emission, as it can contribute to air pollution. One way is to compost dried leaves and kitchen waste, instead of burning them.Compostingwill also give you organic fertilizer for your garden. While buying the products, always choose air-friendly and recyclable products that will minimize the emission of pollutants.

Social awareness about air pollution is the most essential step to be taken for the prevention of air pollution. Awareness programs and/or advertisements should be encouraged, so that people understand the potential health hazards of air pollution. Improvement of transport facilities and proper use of land for the sake of social benefits are equally important for controlling air pollution.From Wikipedia Control devicesThe following items are commonly used as pollution control devices by industry or transportation devices. They can either destroycontaminantsor remove them from an exhaust stream before it is emitted into the atmosphere. Particulate control Mechanical collectors (dust cyclones, multicyclones) Electrostatic precipitatorsAn electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. Electrostatic precipitators are highly efficient filtration devices that minimally impede the flow of gases through the device, and can easily remove fine particulate matter such as dust and smoke from the air stream. BaghousesDesigned to handle heavy dust loads, a dust collector consists of a blower, dust filter, a filter-cleaning system, and a dust receptacle or dust removal system (distinguished from air cleaners which utilize disposable filters to remove the dust). Particulate scrubbersWet scrubber is a form of pollution control technology. The term describes a variety of devices that use pollutants from a furnace flue gas or from other gas streams. In a wet scrubber, the polluted gas stream is brought into contact with the scrubbing liquid, by spraying it with the liquid, by forcing it through a pool of liquid, or by some other contact method, so as to remove the pollutants. Scrubbers Baffle spray scrubber Cyclonic spray scrubber Ejector venturi scrubber Mechanically aided scrubber Spray tower Wet scrubber NOx control Low NOx burners Selective catalytic reduction(SCR) Selective non-catalytic reduction(SNCR) NOx scrubbers Exhaust gas recirculation Catalytic converter(also for VOC control) VOC abatement Adsorption systems, such asactivated carbon Flares Thermal oxidizers Catalytic converters Biofilters Absorption (scrubbing) Cryogenic condensers Vapor recovery systems Acid Gas/SO2control Wet scrubbers Dry scrubbers Flue gas desulfurization Mercurycontrol Sorbent Injection Technology Electro-Catalytic Oxidation(ECO) K-Fuel Dioxinandfurancontrol Miscellaneous associated equipment Source capturing systems Continuous emissions monitoring systems(CEMS)From- http://www.scienceclarified.com Air pollution controlMethods of air pollution control can be divided into two categories: the control of particulate (pronounced par-TIK-you-let) emissions and the control of gaseous emissions. The term particulate refers to tiny particles of matter such as smoke, soot, and dust that are released during industrial, agricultural, or other activities. Gaseous emissions are industrial products such as sulfur dioxide, carbon monoxide, and oxides of nitrogen also released during various manufacturing operations.Particulate control.Methods for particulate control tend to operate on a common principle. The solid particles are separated from the gases in which they are contained by physical procedures such as passage through a settling chamber. A settling chamber is a long, wide pipe through which gases from a manufacturing process are allowed to flow. As these gases slow down in the pipe, the solid particles settle out. They can then be removed from the bottom of the pipe.A cyclone collector is another device for removing particulates from stack gases. The gases are fed into a rotating cylindrical container.

Equipment for the complete recovery and control of acid and oxide emissions.(Reproduced by permission ofPhototake.)Centrifugal forces (the forces that move things away from the center of rotation) send solid particles in the gas outward against the walls of the container. They collect there briefly, then fall to the bottom of the container. Gases from which the particles have been removed then escape from the top of the container.Gaseous emissions.Many different methods are available for removing unwanted gases, most of which are acidic. Scrubbers are smokestack devices that contain a moist chemical such as lime, magnesium oxide, or sodium hydroxide. When gases escape from a factory and pass through a scrubber, they react with the moist chemical and are neutralized. From time to time, the scrubbers are removed from the smokestack, cleaned, and replaced.Another method for controlling gaseous emissions is by adsorption. Activated charcoal is charcoal that has been ground into a very fine powder. In this form, charcoal has the ability to adsorb, or adhere to, other chemicals. When unwanted gases flow over activated charcoal on the inside of a smokestack, they are adsorbed on the charcoal. As with scrubbers, the charcoal is removed from time to time, and a new lining of charcoal is installed in the smokestack.

Read more:Pollution Control - body, used, water, process, life, plants, chemical, form, methods, gas, carbon, oxygen, air, principle, Air pollution control, Water pollutionhttp://www.scienceclarified.com/Ph-Py/Pollution-Control.html#ixzz1D5arlSvy