News Category: Environmental

HRS Unicus Series: gentle processing of high fouling products
April 24, 2018 Categories: Environmental - Food - Industrial - Opinion Piece - Pharmaceutical

Heat exchangers are widely used across a range of industries, including food manufacturing, chemical processing, water treatment and renewable energy production.  As well as basic heating and cooling, they are used for a wide range of other processes including pasteurisation, sterilisation, crystallisation and evaporation. With so many uses, and an almost infinite number of materials…

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Fuelling the UK’s green gas revolution
April 11, 2018 Categories: Environmental - Opinion Piece

The use of biomethane as a transport fuel is an exciting prospect, but to date development of the necessary infrastructure in the UK has been disappointing. A report last year¹ showed using biomethane could reduce well-to-wheel (WTW) CO2e emissions in road transport by between 35% and 88% depending on the vehicles and lifecycle analysis used….

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Zero Liquid Discharge – removing liquid waste for good
February 16, 2018 Categories: Environmental - Opinion Piece

Zero liquid discharge (ZLD) is a technique whereby liquid waste streams from industrial plants are eliminated. These are instead replaced with clean water, which can be reused in the process, and the minimum amount of solid residues, which often include valuable by-products that can be sold or reused. ZLD is suitable for a wide range…

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Efficient heat use can help cut agricultural emissions
January 18, 2018 Categories: Environmental - Food - Opinion Piece

The last detailed study of heat use in the agricultural industry was carried out almost 10 years ago*, but it showed that UK farmers used almost 2,200 GWh of heat each year, and that heating accounted for 37 % of the total energy used in agriculture. When horticulture (greenhouses and nurseries) are added, these figures…

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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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