Yeast are generally rare in biological wastewater treatment processes, but may enter the treatment processes through the influent, sludge return side-streams, or...
Laboratory Analysis
Displaying results 52-68 of 241
Editorial
This Lab Supervisor Creates Great Chemistry With Effective Leadership and Belief in Mentoring
Tiffany Poole holds a personal credo of paying it forward.“My favorite task is mentorship and empowerment of employees,” says Poole, supervising environmental...
Online Exclusives
Bug of the Month: How to Reduce Beggiatoa Filament Growth
Eickelboom morphotype Beggiatoa is readily recognizable due to its large diameter (2-4 µm) and its slow-gliding motility. Sometimes septa (cross-walls) may be...
Online Exclusives
Arizona Taps ASU to Lead Water Innovation Initiative
Arizona State University and Arizona Gov. Doug Ducey recently announced that the university will lead a multiyear Arizona Water Innovation Initiative to...
Online Exclusives
Bug of the Month: Suctoria, the Vicious Killers Within Wastewater Microbiology
A suctorian is a protozoa from the order Suctoria, which includes both saltwater and freshwater organisms. Suctoria are widely distributed in nature and...
Online Exclusives
Bug of the Month: The Mysterious History of Haliscomenobacter Hydrossis
The Eickelboom filament morphotype commonly recognized as Haliscomenobacter hydrossis has a long and somewhat mysterious history.
Its recognized growth cause has changed from...
Online Exclusives
Bug of the Month: Nostocoida Limicola and Filamentous Bulking
Nostocoida limicola filament types are commonly associated with filamentous bulking in biological wastewater treatment systems throughout the world.
Literature such as the 3rd...
Editorial
Multi-Talented Danny Locco Is Well Positioned to Lead His Utility Through Important Initiatives
Danny Locco is a man of many talents. His diverse training, education and varied positions in the water treatment industry make him...
Videos
Webinar: Using Pilot Testing to Minimize Risk, Establish Operating Costs and Potentially Improve Infrastructure Funding Ranking
Mobile pilot treatment units are set up on site and operated by experienced personnel under a range of conditions to ensure the...
Editorial
Starting Out as an Immigrant Was Challenging. This Lab Tech Cleared the Hurdles and Found Success.
Joga Chizer had no kind of background for the clean-water industry. As an immigrant, he wanted a job. He found an opportunity...
Online Exclusives
Bug of the Month: Meet Daphnia, the Crustaceans of Lagoon Treatment
Daphnia are a genus of crustaceans, and while they are rare in activated sludge processes, they are commonly found in wastewater lagoon...
Online Exclusives
Bug of the Month: Sludge Bulking and Filament Type 021N
Eickelboom 021N filament types are commonly recognized to cause and contribute to sludge bulking in industrial and municipal wastewater treatment facilities.
The morphological characteristics...
Online Exclusives
Bug of the Month: What To Do With Fungi in Wastewater Treatment
Fungi at low levels are common or insignificant and often incidental visitors to wastewater treatment processes, although at higher abundance fungi may indicate...
Online Exclusives
Bug of the Month: Filament Type 1863 and FOG
Eickelboom filament type 1863 is most commonly observed dispersed in solution or occasionally near the edges of the floc at 1000x oil-immersion...
Online Exclusives
Graphene Sensor Rapidly Detects Opioid Metabolites in Wastewater
The unique properties of the atom-thick sheet of carbon known as graphene have enabled a new penny-sized, multiplexed bio-sensor that’s the first to...
Online Exclusives
Bug of the Month: Gastrotrich, an Occasional WWTP Visitor
Gastrotrich are invertebrates occasionally found in wastewater treatment systems. Generally their presence indicates good overall health, and they tend to occur in...
Online Exclusives
Antimicrobial Resistant Gene Discovered in Georgia Wastewater
A gene that causes bacteria to be resistant to one of the world’s most important antibiotics, colistin, has been detected in sewer...















