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Coca-Cola bottles up energy savings

22 August 2016

Coca-Cola Enterprises, the sole Coca-Cola bottler in Sweden, has succeeded in reducing its compressed air energy consumption by approximately 60%. Find out how... 

In October 2015 the company, which produces, manufactures and distributes Coca-Cola brands from a single site in Sweden, changed its compressed air supplier to Tryckluftspecialisten who advised the use of CompAir compressors with a SmartAir master control system.

Patrik Almström, sales engineer and project leader at Tryckluftspecialisten takes up the story: “Coca-Cola Enterprises is one of the largest bottlers of soft beverages in Europe and the plant in Sweden uses compressed air for general production purposes.
“The previous compressors were found to be too energy intensive and noisy - consuming approximately 22,000 kW of electricity a week in average. As compressed air demand is continuous, the facilities management team was keen to look at alternative options for improving efficiency and performance.

“As a result, we specified two CompAir L75 regulated speed systems and two CompAir L55 fixed speed machines. The compressors work in tandem to meet demand at optimum energy efficiency with the SmartAir Master continuously rotates the control system.

“All four compressors are controlled by a CompAir SmartAir Master system that manages the compressed air supply across the site. The system calculates precisely how much air the plant needs in real time and optimises the compressor output accordingly, by continuously rotating the master pairs to equalise running hours.”

The site could not afford to be without compressed air during the installation and commissioning process. Kim Hesselius, unit & facility manager at Coca-Cola Enterprises explains how the company avoided any production downtime: “During installation we still required sufficient compressed air for our manufacturing processes. The commissioning of the new machines ran throughout October 2015, with Tryckluftspecialisten staggering the installation of one compressor at a time to make sure we could always maintain production output. It was a great service.”

Commenting on the installation process and benefits, Jonas Wittefeldt, environmental manager at Coca-Coca Enterprises, said: “The installation went really well and the project also fits perfectly with our sustainability agenda as saving energy is one of our top priorities”.

Energy efficient compressors
Heat recovery systems were also installed on all the machines to provide hot water to power the site’s heating system. All models, from 15kW, can be equipped with integrated heat recovery, to reuse the otherwise wasted heat generated during compression, helping to contribute to significant cost savings.

This has resulted in site energy consumption being reduced by approximately 60%, but at least 80% more heat being recovered than previously, resulting in total savings of approximately 1,000,000 kWh of energy per year.

Jonas A°stro¨m, purchasing manager at Coca-Cola Enterprises concludes: “At Coca-Cola Enterprises we are continually looking for ways to improve our sustainability targets across the company. We chose Tryckluftspecialisten and the CompAir compressors as they offered us the best energy saving solution. Even though the machines have only been on site for a short time we are already achieving great results and we are looking forward to seeing continued energy savings. 

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