There appears to be a preconceived notion that the greater the surface area covered, the more efficient the filter performance, which leads to the introduction of extra pockets.

Arguing that unclogging of filters plays a critical role in ensuring better Indoor Air Quality, Dr Iyad Al-Attar demonstrates why it is important to determine when and how clogging occurs.

Dr Iyad Al-Attar begins his new series, wherein he conducts an in-depth analysis of Air Filtration and offers his erudite insights.

Dr Iyad Al-Attar explains the importance of defining critical parameters, such as particle size, which affect the performance of air filters. He also strongly advocates the view that we need to take strides in the field of air filtration today to make a positive impact on the health of generations to come.

Dr Iyad Al-Attar dispels misconceptions regarding particle straining and highlights the fact that the subject deserves greater attention.

In Part 12 of the series on air filtration, Dr. Iyad Al-Attar discusses the function of each filtration stage and the filter design required and also addresses underlying reasons that would make filter performance deviate from the laboratory test reports

In Part 11 of the series on air filtration, Dr Iyad Al-Attar explains the three vital stages of air filtration selection

Dr. Iyad Al-Attar points out the fact that each filter has several efficiencies depending on the particle size distribution, thus challenging the basic assumption applied to filters and the flow rate used in testing. He also envisages a future where the definition of filtration efficiency is more nuanced and accurate.

The performance of dust-loaded filters is not well-established, and there is much to be discovered. Future discoveries will help to rectify our past and current activities in filter design, manufacturing and operation of air filters, says Iyad Al-Attar

Like food and water, clean air should be regarded as a human right, and ensuring this is the shared responsibility of filter manufacturers, researchers, test laboratories and HVAC designers