Evaluation of Ozone Treatment in Air-Conditioning Cooling Towers
Currently accepted practice for controlling scale, corrosion and fouling in cooling tower systems is the use of chemical addition and…
Research Needs for Trickling Filter Design: A Consultant’s Perspective
The recent development of the trickling filter/solids contact (TF/SC) process has caused renewed interest in trickling filters as a competitive…
Studying Water System Operation by Computer
Computer modeling can greatly improve the planning and operation of water systems at relatively low cost. Time-dependent water system models…
A New Look at Liquid, Solid Separation Predesign and Design for the Renton Treatment Plant
Dissolved air flotation (DAF) thickening has been a fairly common process for thickening of municipal sludges since the late 1950’s….
Use of a Computer Model for Groundwater Management, Eastern San Joaquin County, California
For the past few decades, water officials and the general public have been aware of declining water levels in eastern…
Professional Liability Issues from a Consultant’s Point of View
Professional engineers are commonly retained for different reasons. Some may say engineers are hired to build other people’s dreams, or…
Design and Construction Details for the Los Angeles Aqueduct Filtration Plant
The Los Angeles Aqueduct Filtration Plant is not only one of the largest direct filtration plants in the world but…
Techniques for Successful Management of Complex Projects
The early stage of planning and developing a project are good times. Everyone is friendly and project goals, objective, and…
Trenching and Soil Dating of Holocene Faulting for a Water Filtration Plant Site, Sylmar, California
An investigation was performed to assess the potential for faulting at one of the world’s largest proposed water filtration plants…
Successful Repair of the 102-Inch Diameter Allens Avenue Interceptor in Providence, Rhode Island
On May 22, 1983 sewage flow was restored in the Allens avenue Interceptor in Providence, Rhode Island, exactly 16 days…
Use of Flocculation Concepts to Improve Secondary Clarified Performance
This paper describes how bench-scale flocculation tests were scaled up to design plant scale flocculators in secondary clarifiers to yield…
San Ramon Valley Reclamation Project
The Dublin San Ramon Wastewater Treatment Plant serves the residents of the Dublin San Ramon Services District (District) and the…