Hi all, after my friend has had several failed mescaline extractions he has come up with an idea, possibly seen the tek before, but cant find again. could you please advise on any potential problems,

Mix powdered cactus with calcium hydroxide, small amount of water to a paste , dry thoughly
dry IPA with anhydrous magnesium sulfate,
mix IPA with cactus/calcium hydroxide, allow to settle
filter off IPA
repeat 3 times

make solution of dry IPA and fumeric acid (FASIPA)
drip FASIPA into IPA cactus solution, possible cloudy?
allow to settle
drain off ipa and dry mescaline fumerate
clean with cold mek

any suggestions ideas, potential problems please advise, if i dont here anything my friend will carry on an i will report back with his results
thanks