Cost-Effective Design and Operation of Activated Sludge Aeration Systems using Process Modeling
A process simulator, with an integrated aeration model, can be used to optimize diffuser density, test alternate control strategies, and…
Personal Perspectives on an Award-Winning Mentoring Program
A comprehensive mentoring program is critical to the development of young professionals. A successful mentoring system – or a young…
Clean-Up Alternatives for 1,4-Dioxane in Groundwater
The cyclic ether 1,4-dioxane, widely used as a stabilizer in chlorinated organic solvents, also has a myriad of other uses….
Growing Your Collection System Decision Tree
Municipalities and utility districts across the nation are faced with an ever increasing variety of materials and methods that can…
Low-Quality Wastewater UV Disinfection at Sand Island WWTP: Part 1 – Bench-Scale Evaluation and First-Year Operation
The Sand Island Wastewater Treatment Plant (SIWWTP) is the largest wastewater treatment facility in the State of Hawaii. It provides…
Meeting California Toxics Rule Limitations on Disinfection Byproducts by Use of Chlorine Dioxide for Effluent Disinfection
The California Toxics Rule (CTR) provisions of the City of San Luis Obispo Water Reclamation’s Facilities National Pollutant Discharge Elimination…
An Appraisal of Stormwater Reclamation and Reuse in Hawaii
Groundwater is the principal source of potable water for the island of Oahu, home to more than 80 percent of…
Alternative Levels of Process Modeling in Consulting – What is Best for our Clients?
Steady-state models are often used for wastewater treatment designs, but have severe limitations. The use of safety factors does not…
Port of Milwaukee Onshore Ballast Water Treatment
Brown and Caldwell conducted a study for the Wisconsin Department of Natural Resources (WDNR) that evaluated using an onshore system…
Milwaukee*s Next Step: Watershed Restoration Plans
The United States Environmental Protection Agency’s (EPA’s) watershed approach to facilities planning has been completed in southeastern Wisconsin by the…
Dynamic Updating Program for Just In Time Design of Water Reclamation Facilities
The LOTT Alliance service population is expected to increase from 150,000 to 213,000 by the year 2030. Water quality issues…
Solids System Stress Testing and Process Optimization
The paper outlines the lessons learned from a series of stress testing and optimization studies performed at several municipal wastewater…