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Water Environment & Technology (WE&T) is the premier magazine for the water quality field. WE&T provides information on what professionals demand:
cutting-edge technologies, innovative solutions, operations and maintenance, regulatory and legislative impacts, and professional development. |
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February 2007, Vol. 19, No. 2 |
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Featured Articles
Ditch the Phosphorus
| When staff at the wastewater treatment plant in Commerce Township, Mich., began upgrading the oxidation ditch facility, they had three major considerations: increasing installed capacity, meeting an effluent phosphorus limit of 0.1 mg/L, and keeping costs manageable. Read more |
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Less Power, Great Performance
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Membrane bioreactors are compact and provide high-clarity effluent without secondary clarifiers or filters, but as power costs continue to rise, their high energy use makes them difficult to justify on a life-cycle basis. |
A Georgia treatment plant dealt with this challenge by modifying both the design and operations of its MBR facility to be more energy efficient. Read more
News
The Battle Over Biosolids
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Kern County, Calif., ban on Los Angeles biosolids delayed
In what is looking like a landmark case, the City of Los Angeles won the first several rounds of its lawsuit against Kern County, Calif., for its ban on imported biosolids. Read more
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Coming in the March Issue
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- Prerequisite Pretreatment. Stable long-term operation of membrane bioreactors demands adequate pretreatment, particularly fine screening.
- Let Them Wear Cake. A thin cake layer on the membranes can improve membrane bioreactor performance.
- Smoother Options. What to do when pipe liners don’t behave.
- Aeration Innovation. By switching to floating-brush rotor aerators, the City of Eden, N.C., has improved treatment plant performance and cut energy costs.
- Extreme Construction. Building a wastewater treatment plant in Antarctic poses unique challenges.
- From Sow’s Ear to Silk Purse. During a major upgrade, a Virginia facility saved millions by refitting its mothballed composting building with new solids handling equipment.
- Are You Ready? These 10 steps can help utilities ensure an effective and efficient response to emergencies.
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©2007 Water Environment Federation. All rights reserved. |
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