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…
Cooling Storage in Retrofit Design
Since 1968, Brown and Caldwell engineers have designed more than 30 cooling storage systems, many of them for retrofits. These…
An Overview of Resource Recovery in Petroleum Refineries
This article covers the major waste streams generated in refineries and describes the opportunities to recover valuable materials and shrink…
Careful Planning Required for Recovery Projects
Experience has shown that the construction of resources recovery systems is not a glamour issue. The illusion of disposal at…
Energy Recovery Reduces Wastes Disposal Costs
For nearly 20 years, advocates of resource recovery have pointed out that there is gold in garbage. Starting from a…
Relationship Between Bench Scale and Prototype Activated Sludge System
Strict attention to reactor design detail is necessary if bench scale activated sludge units are to be reliable in predicting…
An Evaluation of the Calcium Carbonate Saturation Indexes
Formulas for calculating six saturation indexes are derived. The indexes are expressed in terms of commonly measured characteristics of water…
Effect of Plastic Media Configuration on Trickling Filter Performance
During the 1970s, environmental engineering focused on activated sludge and other wastewater treatment systems that produce high quality effluents. However,…
Design and Operation Industrial Waste Treatment Pilot Plants
Virtually every chemical or environmental engineer recognizes the historical role and importance of pilot plant studies in the development and…
Two-Year Oceanographic Study of the Bering Sea Is Completed
One of the most extensive oceanographic studies ever made by the petroleum industry was finished this summer. The Bering Sea…