86372 ⎘
Biological treatment of water, waste water, or sewage; Aerobic processes; Activated sludge processes using diffusers; Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
Gas injection and recycling apparatus and methods
#2Apparatus and method for water treatment via vertical water movement through a funnel
#3MIXING OF A LOWER DENSITY MATERIAL INTO A FLOW OF A HIGHER DENSITY MATERIAL
#4FLOATING WATER TREATMENT DEVICE
#5Wastewater treatment system
#6Wastewater treatment system
#7Wastewater treatment system
#8Wastewater treatment system
#9Aspirator
#10Wastewater treatment system
#11Aerator and mixer
#12Pivotal rigid vortex shield