SAPO-11 molecular sieve, its synthetic method and a catalyst...

Sealing system for cyclone leg

Second stage stripping and lift gas supply

Secondary injection of ZSM-5 type zeolite in catalytic cracking

Selected hydroxy-oximes as iron deactivators

Selective bifunctional multimetallic reforming catalyst

Selective bifunctional multimetallic reforming catalyst

Selective catalytic reforming with high-stability catalyst

Selective conversion of normal paraffins

Selective dewaxing of hydrocarbon oil using surface-modified zeo

Selective extraction using mixed solvent system

Selective high conversion cracking process

Selective hydrocracking process for middle distillate

Selective hydrocracking process using beta zeolite

Selective hydrogenation of aromatics and olefins in hydrocarbon

Selective hydrogenation of diolefins in steam cracking petrol on

Selective hydrogenation of diolefins to the olefins...

Selective hydrogenation process

Selective hydrogenation process employing a catalyst with a...

Selective operating conditions for high conversion of special pe