Theoretically - Yes!
Realisticly - No
For example - if you want 6gms of pseudo (5 x 200mL bottles @ 1.2gms/bottle), imagine how long it would take to evap 1 litre! Ages, I think.
Plus you would bee left with all sorts of sugar and other junk that my cause problems.
You COULD try just adding NaOH solution to the (alcohol free)syrup, and you should get FB crystals floating on top which must bee filtered out.