This article is about water conservation techniques in India where potable water is hard to find. "The AC unit was run continuously until 1 L of water was collected in second week of November 2019 in clean sterile mineral water bottles. Samples were analyzed within 24 hours of collection. They were stored in refrigerator at 8˚C before analysis.". I'd bet the whole thing was cleaned with a bleach compound then fired up full blast in a controlled space somewhere, not on a random rooftop next to an open market with flies and raw meat.
If you want to build a controlled condensate collector and feed it back into a commercial water treatment system (Say an RO, or send it to a treatment plant) that's fine. If you want to drip it from a random HVAC pan in a 1 gallon jug and drink it it's a really bad idea, but I'm not stopping you. I mentioned you could dump it thru a filtration system. If I'm in a jungle or in a place where there was no potable water, yea it's probably better than whatever is floating down the mekong, but if you have access to a deep well or city water it's plain stupid. There isn't enough to amount to much even in a very humid area, and unless you are collecting in in a controlled manner and treating it you are asking to get sick. If you are trying to survive you want to first look for rapidly flowing water over rocks. Any uncontrolled condensate is going to be pretty far down the list.
I mean seriously this is not sane. For DRINKING water just get an large RO like we used in the service. You are not going to get enough water from a condensate drain to accomplish much, and if it's that humid, just build an artesian well, if you can't drill one.
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