Flocculator-Clarifier Performance
Research and practical application have shown that improvements in secondary sedimentation tank design features and proper preparation of the biological…
Dried Sludge for Fertilizer
Dried sewage sludge has been used as a fertilizer material for several decades in the United States. While sludge drying…
Control Refinery Odors and Effluent Quality to Meet Environmental Regulations
The control of refinery odors and effluent quality to meet environmental regulations is an ongoing problem. State and U.S. Environmental…
Use of Return Activated Sludge Chlorination to Control Sludge Bulking
Sludge bulking in the activated sludge system at Boise Cascade’s Rumfort Mill caused noncompliance with suspended solids (SS) and, occasionally,…
Conceptually Designing a Solid Waste Transfer Station
Conceptual design of a solid waste transfer station can be defined as a level of written and graphical description to…
Deep-Ocean Disposal of Sewage Sludge Off Orange County, California: A Research Plan
A seven-year research plan has been developed to study the environmental and possible health effects of a proposed outfall for…
Privatization: A Case Study
Six months ago, when I discussed privatization at the Clean Water Tax Summit meeting in Washington, D.C., and Los Angeles,…
Trace Element Removal From Power Plant Waste Streams by Adsorption/Coprecipitation With Amorphous Iron Hydroxide
The technical and economic feasibility of removing inorganic trace elements from coal-fired power plant wastestreams by adsorption/coprecipitation with amorphous iron…
Causes and Cures of Scum and Foam Formation in Treatment Plants
The purpose of this paper is to address the potential causes of foaming in treatment plants and successes and failures…
Casino Cogeneration–Money, Energy, and Reliability
Cogeneration is the simultaneous generation of electricity and recovery of thermal energy from the same fuel. As a conservation measure,…
Heavy Metals Soil Contamination Cleanup–A Case History
Brown and Caldwell was retained in April 1983 by the attorneys for a major metal finisher located in East Los…
What Is Privatization?
The author is responsible for planning the financing and economic management of projects at Brown and Caldwell, a national consulting…