F EAT U R ES
Transforming waste heat into renewable heat Making use of heat lost from gas-fired tri-generation systems improves efficiency and reduces emissions. A new technique adds to the results achieved from existing methods of waste heat recovery. By Imrich Discantiny Traditional co-generation systems pro
Tri-generation, or combined cooling,
At COM-therm’s power plant in
duce heat for space heating and hot
heat and power, is the process by
Komárno, Slovakia, which serves
water and generate electricity. Moving to
which some of the heat produced by a
30,000 people in 10,000 dwellings,
tri-generation allows growing demand
co-generation plant is used to gen
schools, hospitals and administrative
for air conditioning for homes, offices
erate chilled water for air conditioning
buildings, waste heat recovery efforts
and commercial spaces such as server
or refrigeration. Usually an absorption
initially focused on flue gases and
rooms and switchboards to be met
chiller is linked to the plant to provide
aerothermal energy inside the plant
simultaneously or on a seasonal basis.
this functionality.
using heat pumps with highly positive
COM-therm’s power plant in Komárno, Slovakia serves 30,000 people in 10,000 dwellings, schools, hospitals and administrative buildings.
34 Transforming waste heat into renewable heat
