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Phosphates that don't register on the salifert. I'll eventually get a more sensitive tester.What parameters are you looking at for gac?
Is possible to regenerate with a caustic - NaOH for example, in theory, anyone ever do this?
500° C is not going to be enough, is it?Back in my day (I'm a dinosaur of a chemist) the only way to regenerate GAC was in a blast furnace.
500° C is not going to be enough, is it?
500° C is not going to be enough, is it?
Huh, a self cleaning oven might almost achieve that. The superheated steam would be a bit risky thoughJust looked it up...."The material is heated up to around 1000º F, which volatilizes 75 – 90% of the adsorbed materials. At this point, steam is injected into the system to remove the remaining volatiles and “reactivate” the carbon."
Huh, a self cleaning oven might almost achieve that. The superheated steam would be a bit risky though
I was about to but then it occured to me that it's probably not such a great idea. Wikipedia says palytoxin decomposes at 300° C but I don't particularly want to find out what happens while heating up to that pointTry it on a few grains and see if they are still there after the cleaning.
I was about to but then it occured to me that it's probably not such a great idea. Wikipedia says palytoxin decomposes at 300° C but I don't particularly want to find out what happens while heating up to that point
Sure but I wouldn't be comfortable using the results even if it turned out to workI was thinking a new grain from the bottle.
heh. this is one where the fact that GAC is so cheap really weighs against how I imagine this going.Huh, a self cleaning oven might almost achieve that. The superheated steam would be a bit risky though
heh. this is one where the fact that GAC is so cheap really weighs against how I imagine this going.
I think if I volatilize a bunch of aquarium organics in the oven in my kitchen, then it would probably result in bad smells and bad moods. Both of which might linger for an unpleasantly long time.