In reclaiming recovered refrigerant, which type of contamination will the reclamation process be unable to separate?

Correct Answer: Option C — mixed refrigerants

Reclamation facilities utilize distillation and filtration to remove moisture, acids, and non-condensables like air. However, refrigerants with similar boiling points form azeotropic or zeotropic mixtures that cannot be separated by standard mechanical reclamation processes. EPA and 46 CFR standards mandate strict recovery practices to prevent cross-contamination of refrigerant types.