|
US5862610A
|
|
Method for coating dry pellets made of waste bio-solids with waste bio-solids
|
|
US4789503A
|
|
Air removal snorkel device
|
|
US4710292A
|
|
Digester tank with foam control cover
|
|
US4569804A
|
|
Large bubble flow generator-interface for liquid circulating device
|
|
US4356131A
|
|
Circulating device for liquids containing long-chain molecules
|
|
CA1141871A
|
|
Liquid circulating device
|
|
EP0033407A1
|
|
A device for creating circulation within a body of liquid, and an apparatus for treating sewage or the like in a body of liquid
|
|
US4293506A
|
|
Liquid circulating device
|
|
CA1042571A
|
|
Sewage aerating structure
|
|
US3968086A
|
|
Double funnel device for oxygenating sewage
|
|
CA1024275A
|
|
Double funnel with baffle cascade aeration unit
|
|
IL41650D0
|
|
Apparatus and method for aerating liquids
|
|
CA958823A
|
|
Method and apparatus for stabilizing accumulations in aerated lagoons
|
|
US3897334A
|
|
Single basin aerated sewage lagoon with spring time intensified aeration
|
|
US3714036A
|
|
Method and apparatus for stabilizing accumulations in aerated lagoons
|
|
US3672647A
|
|
Quick release mechanism for sewage lagoon aeration guns
|
|
CA930876A
|
|
Sewage treating system
|
|
CA948334A
|
|
Single basin aerated sewage lagoon with spring time intensified aeration
|
|
GB1306729A
|
|
Apparatus for aerating liquids
|
|
US3628775A
|
|
Sewage-treating system
|
