it is possible to make CBD isolate from CBD distillate without expensive equipment.
it is also possible to degrade the THC (and sacrifice color and some CBD) with or without expensive equipment. Lowering thc by simply Heating to convert to CBN or anything else ? What temperature found? - #5 by thesk8nmidget
if you have a CBD/D8/D9 mix that you’re hoping to remove ONLY the D9 from, THEN you’re looking at chromatography. the equipment doesn’t have to be expensive, but the media certainly is.