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A lifeline for pools? “Digital boilers” provide innovative rethink of waste heat reuse

Envirotec Magazine

Swimming pools threatened with closure because of skyrocketing heating bills could get a reprieve from a new technology for waste heat reuse that is being described as a potential game changer. Deep Green’s system draws upon techniques used to cool electronic components. metre x 1 metre x 0.6

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Waste and recycling: taking a proactive approach to fire safety

Envirotec Magazine

As we enter the warmer months, waste and recycling sites are increasingly vulnerable to fire. Such risks are amplified by the presence of batteries in waste streams and in the vehicles and machinery used on waste sites. The content of waste streams seems to change in an ongoing, unpredictable fashion.

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£36m award will use waste heat from data centres to heat homes in London

Envirotec Magazine

The Mayor of London’s development corporation, OPDC has been awarded £36 million from the government’s Green Heat Network Fund (GHNF) to harness waste heat from the cooling of several data centres. It forms part of a wider £65m award from the GHNF to five projects across the UK. ” .” ”

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Liquid air: A cool option for energy storage?

Envirotec Magazine

Liquid Air Energy Storage (LAES) uses electricity to cool air until it liquefies, so it can be stored until an opportune moment arrives when it can be brought back to a gaseous state and used for power generation. This is achieved by compressing the air to form a high-pressure gas, the air is then cooled by heat exchange with a cold fluid.

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Sponsored Content: Digester temperature: To heat or to cool?

Envirotec Magazine

Maintaining the optimum digestion temperature may require additional heating or cooling. In some cases, cooling may also be required, for example where the feedstock coming into the digester comes from a higher temperature pre-treatment system such as a pasteuriser or hydrolysis tank. www.hrs-heatexchangers.com.

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Waste heat reuse and CO2-neutral energy supply concept among winners of German energy efficiency awards

Envirotec Magazine

category, for exploiting previously unused waste heat from two furnaces for electricity generation. After successfully implementing its initial energy efficiency measures, the company then pursued the objective of extending the waste heat usage already achieved, but limited to production, to its firing processes.

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Heat recovery from waste

Envirotec Magazine

Zero Liquid Discharge, or ZLD, is a technique which aims to discharge no liquid waste to the environment, instead recovering as many products from the ‘waste’ stream as possible and leaving just water, which can be re-used. Vapour compression evaporation can recover up to 95 per cent of the wastewater as distillate.

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