Gulf area climate is very hot and dry in summer and for this reason air-conditioning has widely been applied. However health problems related to human respiratory system associated with air-conditioning systems and indoor air quality appear more frequently. Citizens of Gulf area spend most of their time indoors surrounded by sources of air pollution: consumer products, gas appliances, building materials, cigarettes, and furniture can all contribute to air quality problem. Activated carbon, also called activated charcoal, is a form of carbon processed from carbonaceous source materials such as nutshells, peat, wood, and other sources to be riddled with small, low volume pores that increase the surface area available for adsorption or chemical reactions. Due to its high degree of micro porosity, just one gram of activated carbon has a surface area in excess of 500 m2, thus can be used for effective improvement and treatment of indoor air.
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