What is a low-temperature condensation system?
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What is the low-temperature condensation system mentioned in clause 2.0.7.1 of HG20570.18?
It involves using cryogenic methods to further condense and recover the components, thereby replacing vent valves; however, as far as I know, this is not really used in China yet – my understanding may not be complete
I’ve been looking at this for a long time; it seems that either environmental regulations are very strict and someone is willing to go through the hassle, or the materials are expensive – otherwise, few people would do this
It is necessary to select a condensation system of appropriate size based on the volatility characteristics and volume of evaporation of the medium; this can be understood as a heat exchanger. Common condensation media include Freon, chilled brine, and circulating water
There are also those using propylene, which can cool the material to 15°C; generally, substances that do not condense at 15°C are basically of little use.
Yes, cool it with single-cool saline and recover the condensed product~~~~~~~~~
Equivalent to a VOCs recovery system