A Comparison of the Carbon Footprint of Aerobic and Anaerobic Digestion
In the United States, anaerobic and aerobic digestion are two of the most commonly used practices for treatment of sludge…
A Preliminary Investigation into the Impact of Centrifugal Forces and Cake Properties on Methanogenesis from Dewatered Sludge Cake
This study investigated the impact of centrifugal dewatering on the methanogenic population of dewatered solids. The two parameters investigated were…
Modified Anaerobic Digestion Test Produces Reliable Results with Decreased Experimental Complexity
This study focused on evaluating additional volatile solids reduction (VSR) using a modified digestion test based on the recommended procedure…
Drying Sawdust to Recover Enclosed-Vessel Compost System Capacity
The City of Newberg, Oregon, has operated a tunnel reactor compost system for over 15 years to produce a Class…
New Rheological Method to Evaluate the Dewaterability of Biosolids
In this paper, the changes in biosolids’ rheological properties are used as a tool to assess dewaterability. A novel “immobilization…
Anaerobic Phased Solids Digestion of Mixed Wastes
The anaerobic phased solids (APS) digestion process is a two-phase semi-batch feed thermophilic digestion process that is particularly well suited…
Realizing the Full Potential of Existing Secondary Clarifiers to Increase Sustained Peak Wet Weather Capacity
Dynamic computational fluid dynamic (CFD) modeling for secondary clarifiers was used as part of a recent facilities plan for a…
Achieving Limits of Technology (LOT) Effluent Nitrogen and Phosphorus Removal at the River Oaks Two-Stage Advanced Wastewater Treatment Plant
Due to unprecedented population growth in the late 1970s and early 1980s, Hillsborough County, FL, developed an aggressive capital improvement…
Full-Scale Operation of Large Biological Nutrient Removal Facilities to Meet Limits of Technology Effluent Requirements – The Florida Experience
As technology-driven regulatory process proceeds, there is a need to more carefully consider practical, scientific and engineering aspects of the…
Decentralized Treatment and Distributed Reuse in Rural C ommunities
Decentralized treatment and distributed reuse systems provide the opportunity for using innovative wastewater treatment technology while reusing the treated water…
Beneficial Use of Dairy, Fountain, and Fruit Beverage Wastes in POTWs
Publicly Owned Treatment Works (POTWs) increasingly face more restrictive effluent nutrient limits as Total Maximum Daily Loads (TMDLs) are applied…
JEAs Path Out of Biosolids Purgatory Through Anerobic Digestion and Drying Enhancements
In 2004 JEA (the electric and wastewater utility in Jacksonville, FL) was receiving more residuals than the Buckman wastewater treatment…