Startup of a Fixed-Film Activated Sludge Process

Case Studies, Start-Up, Wastewater

Startup of a Moving Bed Biofilm Reactor

Case Studies, Start-Up, Wastewater

Startup Mechanical Plant After Failed Activated Sludge Seeding

Case Studies, Start-Up, Wastewater

Choosing an appropriate seeding method for wastewater operations can have a significant impact on biological treatment efficiency. Activated sludge is traditionally used to seed new treatment systems and supplement others that need bioaugmentation. A common issue in...

Start-Up of a 6.7 MGD Anaerobic Digester at a Sugar Refinery

Case Studies, Start-Up, Wastewater

Halfway through a sugar beet processing campaign(September through May) a Midwest refinery noticedsomething was wrong with their wastewater processingsystem. The plant discharge was within limits for their NPDESpermit parameters, but the chemical oxygen demand...

Nitrification with ProBiotic Scrubber® N in an Activated Sludge Plant

Case Studies, Wastewater

An effective activated sludge system has the capacity to remove ammonia from influent wastewater via nitrification. Several factors impacting efficient ammonia and nitrite oxidation in wastewater treatment include, temperature, and abundance of carbonaceous and...

Nitrification Bioaugmentation in an Activated Sludge Process

Case Studies, Wastewater

Augmenting wastewater processes with culturesof nitrifying bacteria can increase abundance andnitrification efficiency correspondingly. Additionally,implementing organic matter degrading microbiologyin a system can increase the time available for bacteriato oxidize...