the technology of removing Cu2+ from zinc electrolyte using SO2 in flue gas, with cuprous oxide as byproduct, 授权号:200710035772.9.

a method of withdraw of fine sulphur in the slag which come from wet processes of Sb2O3 production, 授权号:200510022929.0.

the technology of preparation of carbamic acid ester from CO2 in flue gas, 授权号:200620031375.X.

A moving-bed for adsorption, 授权号:200720062765.3.

a cascade-ring foam tower for dust removal and desulfurization, 授权号:200720064578.6.

A Mist Eliminator, 授权号:200520052454.X.

An experimental apparatus for isothermal adsorption, 授权号:200420068950.X.

The technology of withdraw of fine sulphur in the slag which come from wet processes of Sb2O3 production, 授权号:200410022929.0.

a desulfurization technology and device of exhaust gas in antimony metallurgy combined with turbulent ball tower and rotating-stream-tray scrubber, 授权号:200410047065.8.