Catalyst

During the use process, the activity of the catalyst decreases with the increase of the use time, and the deactivation of the catalyst can even lead to the unsteady operation of the reaction system.

The feasibility and high performance of the medium pore molecular sieve-variable diameter fluidized bed catalytic cracking technology provide technical support for the smooth transformation of the oil

Propylene is a by-product of ethylene steam cracking and catalytic cracking in oil refineries. Compared with other olefin production technologies, propane dehydrogenation to propylene (PDH) has the a

As an adsorbent, catalyst and carrier, γ-Al2O3 carrier has widely use in many industries.

Porous material is the material with network structure that made by interpenetrated or closed holes.

Catalytic reforming is the process that under the working of catalyst, to rearrange the molecular structure of hydrocarbons in gasoline fraction into new molecular structure.

Hydrorefining is known as hydrotreating also, it is one of the most important refining methods of petroleum products.

Solvent deasphalting is the refining process of petroleum products by extraction method.

Hydrocracking is the improvement of catalytic cracking.

Delayed coking is a thermal cracking process and mainly purpose is to change resid oil with high carbon residue into light oil.

Catalytic cracking is one of the important processes of refining.

Atmospheric distillation and vacuum distillation are customarily called atmospheric and vacuum distillation, they are physical process.