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SPARES AND ACCESSORIES


Safer and greener chemicals for maintenance


Dr Kajally Jobe, head of research and development at Advanced Engineering, examines the use of chemicals in an increasingly environmentally conscious air conditioning industry.


N


o single product can provide ideal performance on all surfaces and soils. It is therefore not surprising that many different HVAC cleaners are available in the market. They are formulated to clean professionally and conveniently in the many different situations found across industry. Some are designed for limescales, fats and grease, while others work best on specific surfaces and microbes. The success of coil cleaners in UK and Europe may be accredited to a more environmentally conscious consumer and a clearer awareness of environmental benefits with regard to safety and resource efficiency. Air conditioning coils, fins, and filters require regular maintenance for the unit to function effectively and cut down excess power consumption. Disregarding the necessary maintenance ensures a steady deterioration in air conditioning performance while energy use steadily increases. Companies have committed to increasing their communication and awareness campaigns towards the benefits of HVAC cleaning and maintenance.


In line with this goal, organisations such as Advanced Engineering have launched initiatives to purposefully encourage the trend in green cleaning, which mainly involves substituting harmful cleaning supplies to protect users and the environment. There is a common misconception that if a chemical cleaner is ‘nasty’, then it works. There must be


42 July 2018


a responsible symmetry between the use of chemicals for their desired function and the health and environmental consequences attributed to that usage.


There is an argument that the deficiency in clarity subverts the intention of green chemistry to complement its use to protect people, animals and the environment. Green chemistry is generally defined as the utilisation of a set of principles to reduce or eliminate the use or generation of hazardous substances in the design, manufacture, and applications of chemical products. For example, cleaning products have moved on from chemicals like phosphates and nitrates salts. These powdered chemicals historically have devastating environmental consequences in water ways. Advanced Engineering has, in the last 10 years, moved strategically to effect product life cycle assessment, using green and innovative chemical principles, in product design, product usage, and product disposal practices. The chemical segment of ‘cradle-to-grave’ analysis involves five key areas. 1. Ingredient economy - Production methods of chemical cleaners are designed to maximise the incorporation of all ingredients used in the final product. Biocidal products are redesigned with ingredients that synergistically increase efficacy without increasing the amount of biocide in the products.


2. Safer chemistry for accident prevention – Products are


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