The wax goes on to make candle wax and petroleum jelly whilst the dewaxed oil purifies in the desirable lube oil base stock. Challenges that come up from this process originate from choosing which type of solvents to implement. Most refineries use MEK Although propane can be utilized from many https://ureasynthesisunit24579.thelateblog.com/35920589/about-dongguang-tiancheng-machinery-factory