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Sandoz Mumbai saves up to 17% on energy using Atlas Copco screw blower technology

June 30, 2015

Sandoz Pvt Ltd. has achieved up to 17% energy efficiency and lower noise levels by choosing Atlas Copco low pressure screw blowers for its effluent treatment plant at their factory in Navi Mumbai, India.

Sandoz has established targets to reduce its carbon footprint and plans a reduction of 1.5% of total site consumption every year. The aeration process in Sandoz’s effluent treatment plant was managed by conventional lobe blowers. After experiencing reliability problems, the company decided to shift to state-of-the-art screw blowers, and Atlas Copco’s ZS screw blower with variable speed drive guaranteed reliable performance and energy savings.

“Our low pressure screw blower was the right replacement for the old lobe blower, which consumed more energy and had very high noise levels. We installed a ZS 18 VSD (variable speed drive) blower in July 2013, and the customer noticed the results within a few months,” said R Narayanan, Business Line Manager, Oil-Free Air, Atlas Copco India.

Like Sandoz, many industries use air blowers for their processes, especially those that operate wastewater treatment plants where aeration air blowers typically represent up to 70% of total electricity costs. In the treatment process, a large quantity of air needs to be blown into the aeration tanks. This is one typical application that can benefit from the energy efficiency of rotary screw air blowers.

Atlas Copco’s latest ZS+ range of oil-free, energy-saving, positive displacement screw blowers is designed to meet today’s low-carbon economy needs. VSD technology can accurately meet demands for compressed air by adjusting air output based on actual use, reducing energy consumption when not loaded. The means that the energy consumption of the compressor can be considerably reduced.

“Our structured approach to minimize our environmental impact has helped us make considerable progress. Our waste management strategy is to prevent, reduce and recycle waste before treatment, incineration or disposal. The effluent treatment plant is very critical for us to ensure that we walk our talk. Atlas Copco’s low-pressure screw blowers have helped us take an important step towards reducing energy cost and keeping the plant operating efficiently,” said Nitin Chaudhari, Assistant Manager, Engineering, Sandoz Pvt. Ltd.

Sandoz is a world leader in the research and development of products to protect and improve health and well-being. The company has core businesses in generic pharmaceuticals. Product quality and safety are of paramount importance. Atlas Copco has provided compressed air solutions for critical applications. All instrument and process air needs of the production facility are, therefore, provided by the highly efficient Atlas Copco Class 0 certified oil-free screw compressor.

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