solvents recovery

I'm just newbie and tried distilling of many oils, solvents, water/oil mixtures and water/solvents and i just do a simple distillation setup with the regular glasswares and stuff but doesn't matter what I'm distilling, it just takes for ever like if I have a water/oil mixture it just distills...

Introduction In the synthesis of mephedrone (4-MMC) and other psychoactive substances at different stages (synthesis and purification) use different solvents, which are not entered into a chemical reaction. They remain in the same form as before syntheses. However, they are mixed with dirt, and...