The wax goes on to provide candle wax and petroleum jelly though the dewaxed oil purifies to the attractive lube oil base stock. Challenges that come up from this process originate from selecting which sort of solvents to use. Most refineries use MEK Though propane can be used from several https://urea-synthesis-unit92468.blognody.com/38355290/not-known-details-about-non-hydrodewaxing