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https://www.pv-magazine.com/2026/02/19/worlds-largest-steam-producing-heat-pump-comes-online-in-finland/>
"Turboden, an Italian manufacturer of organic rankine cycle (ORC) systems, has
announced the start-up of what it defined as the world’s largest
steam-producing heat pump.
The company, part of Japan's Mitsubishi Heavy Industries, said the project
consists of a large heat pump (LHP) coupled with mechanical vapor recompression
(MVR).
“It is capable of generating 12 MWth of superheated steam at 3.4 bar(a),
raising the temperature to 150–180 C. The system recovers low-grade waste heat
from the industrial process and upgrades it using CO₂-free electricity,” the
company said in a statement. “It is outperforming expectations, with a
coefficient of performance (COP) 10% above the guaranteed value.”
The original guaranteed COP is 2, according to information published by the
company on the website of the Technology Collaboration Programme on Heat
Pumping Technologies (HPT TCP) under the International Energy Agency (IEA). The
low-grade heat sources range from 10 C to 20 C, and the system can operate
continuously, producing 20 tons per hour of superheated steam. The working
fluid is isobutane."
Via Christoph S.
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*** Xanni ***
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mailto:xanni@xanadu.net Andrew Pam
http://xanadu.com.au/ Chief Scientist, Xanadu
https://glasswings.com.au/ Partner, Glass Wings
https://sericyb.com.au/ Manager, Serious Cybernetics