Method for aerobic treatment of wastewater using VTBR (ZL00131325.8)

Method for anaerobic treatment of wastewater using VTBR (ZL00131326.6)

Method for anaerobic-aerobic serial treatment of wastewater using vertical turbulent biological reactor (VTBR) (ZL00131550.1)

Continuous adsorption-electrolysis regeneration equipment for wastewater treatment (ZL97112804.9)

Clean production technique using wet flue gas desulphurization/denitration (ZL00101556.7)

Alternative bio-adsorption & bio-regeneration trickling filter tower for wastewater treatment (ZL00131551.X)

Bio-delignification-mechanic pulping technology (ZL97101537.6)

Concentrated separation using activated carbon-biroregeneration wastewater treatment method and equipment (ZL200310105117.8)