Featured Articles
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Validation Study Of FTIR-Based Emissions Measurements At A Municipal Waste Combustor
By MIDAC Corporation
EPA Test Methods 301 and 320 include statistical techniques for validating sampling methods in specific gas matrices. Several of these techniques were used to analyze extractive FTIR data collected at a municipal solid waste incinerator and to validate the method for hydrogen chloride (HCl) measurements. FTIR results for carbon monoxide (CO), sulfur dioxide (SO2), and nitric oxide (NO) were also compared to measurements recorded by the facility's continuous emissions monitors (CEMs). Presented are discussions of the equipment, spectral analyses, and statistical comparisons of the various test methods.
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4 Dust Collection System Design Improvements For Significant Energy Savings
By Ed Ravert, Senior Application Engineer United Air Specialists, Inc.
The design and location of a dust collection system's hood, ducting, collector, and fan can collectively add sufficient static pressure requirements to the point where larger, more expensive to operate motors are necessary to maintain effectiveness. Optimizing these areas can make it possible to use smaller, more energy-efficient brake horsepower motors. The electrical savings potential for a simple dust control system can be at least $2,000 per year and significantly more for larger systems.
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Multimedia
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| Video: Stormwater Runoff 101 |
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Urban runoff is a main source of pollution at beaches across the United States. But solutions, known collectively as "green infrastructure" can reduce the amount of polluted water flowing into our oceans, rivers, and lakes. These techniques, which are available today, range from green roofs to permeable pavement and roadside plantings.
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