He Yangyang

Integrated efficient autotrophic nitrogen removal reactor

Refuse landfill leachate treatment method

Waste water degree of depth nitrogen and phosphorus removal standard treatment device is bred to beasts and birds

Livestock/poultry culture wastewater deep denitrification and dephosphorization standard treatment device and process

Broken dehydration integrated device of rubbish

Eccentric material device and system of selecting that divide

Denitrogenation of cities and towns refuse transfer station filtration liquid normal position removes carbon integrated device

Heavy object matter sorting unit

Homogeneous phase oxidation coagulator

Formula coagulation treatment machine is criticized to magnetic field strength ization preface