It could still wax up but it looks like u over cooked it.
Next time you want wax just pull to your pump's max vacuum and slowly up the temps until you start to see it wax up in the chamber, it should be waxing at lower temps than 120, more around 100 and whipping it helps but only do so after...
You can evap your alcohol on parchment but it works much faster if you fold the parchment in such a way that it has a border on all 4 sides, that way your parchment paper is flat but can still hold your alcohol.
I do 3 saline washes and allow it to sit undisturbed for 24 hours between the washes.
I'm thinking you may want to bleed off the saline and try to redo the alcohol-hexane separation, thats where most of your chlorophyll should come out. The chlorophyll is significantly more soluble in alcohol...