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Liquid air: A cool option for energy storage?

Envirotec Magazine

Katie Smith is a Technical Assistant with Reddie & Grose LLP, a firm of patent, trade mark and design attorneys. 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.

Cooling 162
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Sponsored Content: Heat exchangers used on Zero Liquid Discharge system

Envirotec Magazine

It is then cooled to precipitate the dissolved solids as crystals. To overcome this and maintain thermal efficiency and process effectiveness, HRS ZLD systems utilise the patented HRS Unicus Series of reciprocating scraped surface heat exchangers.

Patents 130
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Affordable methane detection

Envirotec Magazine

And for very low-contrast situations, the GF77 offers FLIR-patented High Sensitivity Mode (HSM) to accentuate plume movement. The GF77 incorporates a sensitive uncooled detector allowing it to provide “methane gas detection capability at roughly half the price of cooled gas inspection thermal cameras”

Methane 171
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Heat recovery from waste

Envirotec Magazine

Depending on the nature of the initial waste stream, and the effectiveness of the evaporation system and any post-evaporation treatment, the water can then be used for various purposes including cleaning, as a heating or cooling fluid, or even inclusion into other products.

Waste 162
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Heat transfer acquisition means combined companies have over 100 years’ experience

Envirotec Magazine

By 1964 the company was also manufacturing air-cooled heat exchangers, sulphur condensers and waste heat boilers, which still remain core products to the present day. Each company also has proprietary and patented technologies, which have the potential to work together to bring new and improved solutions to market.

Patents 130
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Utility signs up businesses to water-saving pledge

Envirotec Magazine

In 2014 Christeyns launched Cool Chemistry. A patented innovation that combines equipment and chemistry, Cool Chemistry delivers improved whiteness and increased disinfection, using detergent chemistry that operates at a neutral pH in place of traditional highly alkaline chemicals.

Cooling 130
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Gas sensor network provides early wildfire detection

Envirotec Magazine

Mesh gateways featuring Dryad’s patent-pending distributed mesh network architecture – an extension to the LoRaWAN open standard for long-range radio IoT networks. In June 2021, Dryad was named as a cool vendor in Gartner’s Cool Vendors in IoT Thingification report.