HRS Heat Exchangers operates at the forefront of thermal technology, offering innovative and effective heat transfer products worldwide. We focus on managing energy efficiently across the following sectors:

February 20 2017

Annular Space Heat Exchangers Benefit American Dairy Manufacturer

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February 15 2017

Leading American Fruit Processor Selects HRS Pasteurisation Technology

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September 15 2016

PACK EXPO East 2017 (USA) 27th February-1st March 2017

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case studies

The benefits of on-site heat and power generation for food companies

Sustainability has never been higher on the agenda for food and drink companies than it is now. Not only does operating in an ethical and environmentally responsible way make sense for both planet and pocket, but it’s clear that this is what consumers want, too. Research from Globescan revealed that 92 percent of shoppers think food companies should focus their efforts on securing the future sustainability of food, with two-thirds also believing that farmers should be paid more for their produce. So, what more could the UK’s food producers be doing to increase their sustainability credentials?


Recovering High Value Products Helps Food Factories to Maximise Returns

When processing any kind of remotely viscous food product it is inevitable that a certain amount will adhere to surfaces, such as the inside of vessels and pipe work, or become left in equipment after processing. The potential value of this lost product can soon add up, especially when handling large quantities of viscous, valuable products such as honey, syrups and purées. For example, it is estimated that up to 1.4 million tonnes of milk is lost during milk and cheese processing each year in the US alone, which has a retail value of around $4.5 million. The economic impact of losing higher value products is obviously greater. In addition to the financial cost to businesses, at a time when food waste is under increasing scrutiny, it is important that all parts of the food chain are as efficient as possible when it comes to wastage.




Selecting the Best Heat Exchange Solution for Dairy Pasteurisation

As a relatively stable Newtonian fluid, liquid milk presents few handling challenges, something which has resulted in the use of simple plate-type heat exchangers in the majority of dairies. However, other dairy products, such as yoghurt, butter, curds and cheese can all vary according to temperature and, if handled incorrectly, may have their key textural parameters damaged by routine processing.




Heat: The Forgotten Element of Farm AD

Anaerobic digestion (AD) produces many valuable and useful products, including biogas (which can then be turned into heat, electricity or biomethane gas) and digestate, a biofertiliser rich in nutrients and organic matter. However, many AD plants also produce incidental heat, which can be captured and used within the AD process or for other on-site operations.



Improving the Value of Food Waste

Matt Hale, International Sales Manager for HRS Heat Exchangers, explains how innovations in heating, pasteurisation and concentration technology can help food waste AD operators to thrive in the face of dwindling renewable energy subsidies.


Farmers Maximise Digestate Biofertiliser Value

Matt Hale, International Sales Manager for HRS Heat Exchangers, explains how innovations in heating, pasteurisation and concentration technology can help on-farm AD businesses to thrive in the face of dwindling renewable energy subsidies.



Willen Biogas: Maximise the Value of their Digestate

D. Williams & Co. is a Middlesex-based farming company which grows 2,000 acres of arable crops and speciality herbs near Enfield. When it formed Willen Biogas in 2008 in order to investigate the potential of a biogas plant on the farm, it was determined to maximise the value of all the outputs from its plant, including the gas, the heat, and the digestate.


Busting the Myths about AD Pasteurisation

Whether to add pasteurisation to an anaerobic digestion plant can be a contentious topic in certain circles. While there are undoubtedly benefits, including compliance with the PAS 110 standard for digestate, many plant operators and those considering biogas project see pasteurisation as adding unnecessary cost and complexity to the process.


AD Trials improve Biogas Plant Performance

When it comes to anaerobic digestion, trials can range from making minor changes with the feedstock mix or dwell time, to assessing the effects of major equipment upgrades such as new CHP units or digestate processing equipment.



HRS Helps Spanish Grower Become Energy Self-Sufficient

At the beginning of 2012 the Spanish government effectively withdrew subsidies for renewable energy, including biogas production, following a moratorium on support as part of wider economic austerity measures. However, despite this there are still opportunities for businesses to utilise this technology.


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