My dear sweetie. Sorli to rain on your parade. None of what you suggested is workable.
Masks cannot be re-used no matter what you do. The reason is that virii/bacteria seek a host environment that is supportive for their reproduction. So elements of your body's biome will be present on the masks. things like pH, moisture levels, and free proteins will all be found on your mask as soon as you start breathing into it. This will support microbial survivability if not multiplication. So if you pick up that mask 3 hours after using it, it will probably be colonized with whatever was in the air and happily growing away unchecked without immune cells keeping it in check. On a dry, sterile, non-porous surface, you may have a chance, but such masks unfortunately are ideal breeding grounds for virii and bacteria.
Disinfecting the mask is a no go. The only way I can think of is to gamma irradiate the sucker which nobody has access to and is simply too expensive. Alcohol wipes will barely kill anything. Boiling it and microwaving it will compromise it's structural integrity. This thing will no longer filter properly. Sun tan works on a few mechanisms, but UV is important. Problem is UV doesn't penetrate the layers. Also doesn't remove the proteins you breathed onto it which is virus/bacteria food.
Long short. The mask once used is not only useless, but dangerous to re-use. Stay safe. Use mask throw away or stay at home.