Ice storage refrigerating apparatus of direct contact type

Immediate cleaning and recirculation of cleaning fluid and...

Immersed membrane module and process

Immersible biological filter for the purification of waste...

Immersion aerator

Immobilization of actinides by electropolymerization

Immobilization of inorganic arsenic species using iron

Immobilized cell bioreactor and method of biodegrading...

Immobilized enzyme catalyzed removal of aromatic compounds...

Impeller draft tube, shroud, impeller and aerator

Improved aerator and mixer

Improved biodegradability of antiscalant formulations

Improved center opening treatment tank

Improved destruction of electron affinic contaminants during...

Improved distillation apparatus

Improved effluent phosphate removal process

Improved growing and conditioning system for bioaugmentation...

Improved growing and conditioning system for bioaugmentation...

Improved infiltration/inflow control for membrane bioreactor

Improved kitchen grease removal system