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Keywords Heat transfer, Fluids, Non-toxic
Thermera, a new non-toxic, high-- performance heat transfer fluid for use in heat-recovery units, air conditioning, heat pumps and industrial applications, has been developed by Fortum Oil and Gas Oy of Porvoo, Finland. The basis of Thermera is natural, water-soluble, biodegradable betaine, a by-product of sugar beet processing, which is separated from molasses using a method developed by a leading supplier of betaine, Finnfeeds Finland Oy, a subsidiary of Danisco.
Fortum supply two standard grades: Thermera-15 and Thermera-35, which are designed for use in closed circuits operating in the temperature ranges - 15 deg C to + 110 deg C and - 35 deg C to + 110 deg C, respectively. However, we are informed that special grades can be produced with the freezing protection customised to meet end-users' requirements. Thermera thermal performance is said...