News Category: Environmental

Think you can’t evaporate with low temperatures? Think again…
July 10, 2018 Categories: Environmental - Opinion Piece

When treating wastewater, sludge and digestate, it can be beneficial to reduce the volume of material or increase the solids content. Mechanical dewatering via a centrifuge or belt press to separate solids and liquids is standard for the water treatment and anaerobic digestion sectors – but what if you want to further reduce the water…

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Reduce digestate volumes with HRS
June 5, 2018 Categories: Environmental - Opinion Piece - Trade Show News

At UK AD & World Biogas Expo 2018 stand D603, HRS Heat Exchangers will showcase its novel Digestate Concentration System (DCS), which increases the dry solid content of digestate three-or four-fold, typically to between 10-20 per cent. By reducing the liquid fraction and therefore the overall volume of digestate produced, the DCS minimises the economic…

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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, sterilization, 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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