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Choosing the right type of filter for the right application

Paul Boughton

To pick the most economical filters with the desired filtration efficiency, without compromising air quality should be an important issue for all companies. Why? Because energy accounts for up to 70percent of an air filter’s total life cycle cost. It always pays to choose the right type of filter for the right type of filtration application.
In the wake of the climate change debate, governments are now leaning heavier on industries to master the fundamentals of energy efficiency and increase their ‘greenness’.

Reducing energy consumption is a cross-border concern. The EU and US recently held a summit meeting on energy security, efficiency and climate change, stating that ‘ensuring secure, affordable supplies of energy and tackling climate change are central, interlinked global challenges facing the international community. Addressing these issues requires urgent, sustained global action and an integrated policy approach, using a wide range of regionally, nationally or internationally defined policy tools and measures’.

Examples of measures in the EU include the Green Paper of the European Commission, the EU's identification of six core areas for the energy sector over the next five years, and the Energy Efficiency and Energy Services Directive with the binding objective of an annual 1percent improvement in energy efficiency.

In the US, the Department of Energy (DOE) has created the Office of Energy Efficiency and Renewable Energy (EERE). The US federal government is reducing its own energy use through the DOE’s Federal Energy Management Program, and nationally through the National Energy Policy Development (NEPD) group.

These are only a few examples. Initiatives are also being taken by other economies and regions. For example, the energy ministers in the Asia-Pacific Economic Cooperation (APEC) have also launched their Darwin Declaration recognising the need to deploy cleaner, more efficient and sustainable energy technologies.

Important cost-savings

In recent years, especially in the wake of the sharp increase in oil prices, the need to save energy has become more highlighted. Reducing the life cycle cost of air filters can be one part of the cost-saving equation without affecting the end- result.

The typical cost of air filters, as a per centage of the total energy cost for a system, is around 30percent. Selecting the correct efficient filter, with high efficiency and low average pressure drop, can result in significant energy savings while also accomplishing another important goal – cutting operating and maintenance costs.
Filters are the only component in a system that can be changed at a reasonable cost, so why not choose the right filter to save energy?

Camfil Farr strives to develop new technologies and methods to make customers even more environmentally efficient and energy aware. They welcome a steady dialogue with all customers – in every industry and sector – to lower energy consumption, cut operating costs, and improve the bottom line, for the sake of the customers’ business and the future of our planet.m

Enter 22 or at www.engineerlive.com/ipe

Peter Sandberg is CEO of Camfil Farr Power Systems AB, Boras, Sweden. www.camfilfarr.com

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