Here is a study/technology to address removing the steam humidification in HVAC systems. This also has a benefit to be able to dehumidify if we can run the system in reverse during the summer/humid months. https://www.researchgate.net/publication/332994718_An_experimental_study_of_brine_recirculation_in_humidification-dehumidification_desalination_of_seawater
Discussion
HumidificationLoad Shifting New Tech/Study: Salt/Brine Humidification De-Humidification (HDH) instead of Steam.
New Tech/Study: Salt/Brine Humidification De-Humidification (HDH) instead of Steam.
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It seems to be similar at least to liquid based desiccant systems. There are a few manufacturers that offer this already:
https://www.alfalaval.us/globalassets/images/microsites/kathabar/alfa-laval-kathabar-liquid-desiccant-flyer.pdf
They are great ways to precondition and dehumidify air.