Catalysts of protective layer

Principle application:
Catalysts of protective layer are designed for hydrocracking and hydrotreating processes of heavy oil and middle distillates as the contact layer and the protective layer in different installations and petrochemical refining processes.

The protective gradient catalytic system allows significantly reduce impact of sediments on pressure drop in the reactor, significantly improve the distribution of the gas-feed stream in the reactor, removes impurities, unsaturated compounds and catalytic poisons contained in the raw material before the feed gas mixture enters on the base layer catalyst, which improves the duration of single-pass lifespan and the overall service life of the catalytic system.