I didn't find this in the article, so:
You can "recharge" silical gel by baking in the oven at 120 C for a couple of hours. If you do, be careful to remove the casing before you do, unless it is heat safe.
I have a small collection of oven safe dessicant packs that I keep on hand for emergency drying electronics.
You are better off soaking the wet electronics in isopropyl alcohol then trying to dry them in a bag full of desiccant.
One of the things that kills wet electronics is the dried residue that is left behind, creating shorts. Alcohol will wash away the water and leave no residue after it dries.
If the device has ink or glue you'd like to try to preserve, deionized water will mostly work too.
One time I tried drying a water-soaked smartphone in alcohol, but the alcohol got under the LCD screen and made it look blotchy permanently. The phone still worked but I stopped using it.
I did this with a surface go. I managed to drive off the alcohol with a heating plate. It took a few attempts. I think I heated it to 80 C or maybe even 100 C on the last run. End result was clean, except for a small line, possibly cracked diffuser.
I ruined a Thinkpad display the same way in the past, so I went for broke.