News Category: Environmental

Q&A Wastewater AD Industry
November 13, 2017 Categories: Environmental - Opinion Piece

1. Can you give me an overview of the range of the water/waste analysis/industry sectors you are involved with? HRS Heat Exchangers provides heat exchangers, pasteurisers and Digestate Concentration Systems to wastewater anaerobic digestion (AD) facilities. HRS’ customers and end-users include Southern Water, Severn Trent Water, Welsh Water, Yorkshire Water, Anglian Water, Northumbrian Water, Wessex…

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Increasing efficiency within the wastewater AD industry
October 27, 2017 Categories: Environmental - Opinion Piece

Over the years, different wastewater companies have adopted different approaches to sludge treatment, but there is now a trend towards anaerobic digestion (AD) and away from incineration. In the UK, the number of AD facilities for sludge treatment has grown 12% from 2010-2015. Those 159 plants generated 25% more energy during the same period*. This…

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How To… Specify a Heat Exchanger
August 23, 2017 Categories: Environmental - Food - Industrial - Opinion Piece - Pharmaceutical

Heat exchangers are a well established tool for the thermal processing of materials. They are used for cooking, pasteurisation and sterilisation, as well as for heating or cooling a range of products. When it comes to designing a heat exchanger, there are two main considerations. The first is to select the right type of heat…

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HRS helps French AD plant turn waste into resource
July 25, 2017 Categories: Environmental

HRS Heat Exchangers is supplying the pasteurisation technology for a new anaerobic digestion (AD) plant in the south of France, which, once operational, will convert more than 65,000 tonnes of abattoir and agricultural waste products into electricity, useful heat and a valuable biological fertiliser for use by local farmers. The plant is being developed for…

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Fighting climate change with anaerobic digestion
April 5, 2017 Categories: Environmental

The scientific consensus on climate change is now well established. 2016 was the warmest year on record, and it is clear that in order to avoid the very worst effects of climate change, we need to use every available tool to decarbonise as many aspects of society as possible, from energy generation and transport, through…

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The potential role of AD in tackling climate change
March 22, 2017 Categories: Environmental

By Matt Hale, International Sales Manager, HRS Heat Exchangers With a few notable exceptions, such as new US president Donald Trump and our own Nigel Lawson, the scientific consensus on climate change is well established. As far back as 2004, 75%[1] of US scientific papers accepted the premise of human modification of the climate. Today,…

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Maximising the biomethane opportunities for sewage
March 14, 2017 Categories: Environmental

By Matt Hale, International Sales Manager, HRS Heat Exchangers In the UK, the wastewater treatment sector has used both aerobic and anaerobic treatment for many years. It is therefore not surprising that when the Renewables Obligation (RO) was introduced in April 2002 (April 2005 in Northern Ireland), sewage sludge anaerobic digestion (AD) plants were well…

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The benefits of on-site heat and power generation for food companies
February 6, 2017 Categories: Environmental - Food

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…

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Picking the right heat exchanger for you
January 19, 2017 Categories: Environmental - Food - Industrial - Opinion Piece - Pharmaceutical

Heat exchangers are a well-established tool for the thermal processing of materials, such as cooking, pasteurisation and sterilisation, as well as heating or cooling a range of products. When it comes to choosing the right heat exchanger for a particular situation, there is no substitute for professional advice, but you will have a better handle…

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Busting the Myths about AD Pasteurisation
January 4, 2017 Categories: Environmental

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.   However, six years of…

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