Engineering Control and Filter Options
Pollutants in the form of particulate matter are generated by virtually all aspects of an industrial process, which comprises of sourcing of raw materials, manufacturing of products, maintenance and repair services as well as distribution (Godish, 2014). Subsequently, there are certain types of engineering control mechanisms and filtration alternatives accessible for pollutants generated by mobile and stationary sources over numerous industries.
There are three basic engineering controls built into the design of a plant, equipment or process with the aim of minimizing hazards. Foremost, process control entails altering how an activity is conducted to reduce dangers. For instance, using the wet method mechanism that means sprinkling water on a surface to prevent a rise in dust levels. The second control mechanism is enclosure and isolation that aim to protect the personnel. For instance, an enclosed machinery is tightly sealed and an individual may only gain access when opened for maintenance. The final control mechanism is ventilation that involves authorizing and limiting the circulation of air in a working environment.
According to Brauer and Varma (2012) selecting the appropriate filtering option necessitates identification of the aspects and features of the pollutants. Foremost is the fabric filter utilized for the control of particulate matter. Unpacified gas is sucked through a fabric filtration bag, that in turn collects the dust and removal of the dust takes place once the bag is shaken. The second filtering option is the cyclone considered an effective and economical mechanism for the control of particulates. Unpacified air goes into the equipment at the foot; a fierce whirl of air is consequently generated in the cone and elements are hastened centrifugally towards the side. Rasping at the wall decelerates the elements and they glide to the lowermost, where they can be gathered, and purified air outlets at the centre of the topmost of the cone. The other filter option is the wet scrubber with the ability to get rid of huge particulate elements. They promote the exchange between air and water by fierce act in a thin gullet segment.
Godish, T., Davis, W. T., & Fu, J. S. (2014). Air quality. CRC Press.
Umar, S. A., Babawuro, A. Y., Sado, F., Salami, M. J. E., & Khan, M. R. (2015, May). Fuzzy Logic Controller (FLC) for the control of Particulate Matter (PM) emission in wet scrubber system. Proceedings of the International Conference on Computer, Electrical and Electronics.
Brauer, H., & Varma, Y. B. (2012). Air pollution control equipment. Springer Science & Business Media.
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