Regarding the issue of converting low-temperature cooling capacity into standard coal
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I recently read some literature in which it was mentioned that low-temperature cooling capacity should be converted into electrical energy and then further converted into standard coal; there were also methods that involve converting it into different refrigerants based on temperature differences before converting them into standard coal. However, my process was designed using Aspen Plus, and I’m not sure whether cooling is achieved through electric power or refrigerants. I would appreciate some guidance on how to convert low-temperature cooling capacity into standard coal.
Whether it is electric cooling or cooling with a refrigerant, its representation in Aspen is as heat duty; once the amount of heat is known, there is no difference between the two.