Single-walled carbon nanotubes with different diameter were synthesized successfully by catalytic pyrolysis method when helium,nitrogen and argon was used as carrier gas,respectively.

Carbon spheres with onion structure were prepared by catalytic pyrolysis method and graphitized at 2300 ℃ and 2800 ℃.

The interface between carbon fiber and CNTs/CNFs grown on the surface of carbon fibers combined well by catalytic pyrolysis method.

Large-scale mutil-waller carbon nanotubes have been synthesized by catalytic decomposition of C 2H 2 in N 2 atmosphere on bimetallic Fe-Co catalysts.

Byproducts of floating catalyst method for preparing carbon nanotubes;

The synthesis of single-walled carbon nanotubes(SWNTs)by floating catalyst method,using phos- phorus as promoter,was investigated.

Carbon nanotubes with good quality were prepared continuously in a vertical reactor by floating catalyst method, in which the catalyst precursor was directly carried into the reactor by a gas flow, thus avoiding the tedious step of catalyst preparation.

ZSM-5 catalysts modified with lanthanum for catalytic cracking of C_4-olefins to propylene;

Study on production of propylene and ethene from 1-butene by catalytic cracking;

Study on activity stability of catalytic cracking catalyst for producing lube base oil from hydrocracking bottoms;

Maximizing yield of propylene by two-stage riser catalytic pyrolysis of heavy oil;

Study on the catalysts for catalytic pyrolysis of heavy oil to ethylene and propylene;

Study on lumping kinetic model of heavy oil catalytic pyrolysis;