Used oil should not be disposed of. Although dirty, the used oil can be cleaned and purified several times. The recycling of used oil has some benefits, such as energy-saving, environmental protection, and natural resource recycling.

Since the used oil contains a lot of pollutants, including non-hydrocarbons, poly cyclic aromatic hydrocarbons, mineral…

Structured packing is characterized by a very effective technique and a versatile range of applications. The packing provides high separation efficiency, good viability, and low-pressure drop. They can be adapted to address any functional problem for distillation, absorption, or solvent extraction. The term structured packing refers to packing elements made of wire…