Capturing Waste Heat To Turn It Back Into Energy

credit: Flickr

About 70% of all energy produced by humans is wasted as it's used to run large industrial plants, according to a Yale University study.

Now a Israeli startup is hoping to change that.

Luminescent's heat-transfer liquid (HTL) engine mixes pressurized air with gas bubbles to convert waste heat into kinetic energy that can be used to power the plant itself or to be sold back to the electrical grid, Quartz reports.

The system can store the kinetic energy for up to 20 hours and produce up to 70% more power than existing systems.

Luminescent says its isothermal process reduces the size and doubles the efficiency of an engine compared to other operations.

Luminescent says its system can store the resulting energy for up to 20 hours.Having recently raised a $7 million seed funding round led by Grove Ventures, the company is targeting industrial operations in the United States, Europe, Japan, China, and South Korea.Zero-emission energy.

Luminescent's unique waste heat engine uses a heat-transfer liquid (HTL), which flows in a nozzle where it's mixed with pressurized air or other gas bubbles.

The liquid has a thousand times more thermal energy density than any gas for a similar volume.

Luminescent says its isothermal process reduces the size...

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