Optimizing Stormwater Treatment Practices: A Handbook of by Andrew J. Erickson

By Andrew J. Erickson

Optimizing Stormwater therapy Practices: A instruction manual of review and upkeep provides the knowledge worthwhile for constructing and working an efficient upkeep application for stormwater therapy. The publication bargains directions on how you can degree the extent of functionality of stormwater therapy practices without delay and bases proposed upkeep schedules on genuine functionality and ancient upkeep efforts and prices. The inspection equipment, that are confirmed within the box and feature been applied effectively, are worthy as regulatory enterprises are difficult reviews of the functionality of stormwater therapy practices. The authors have constructed a three-tiered strategy that gives readers a typical protocol for the way to figure out the effectiveness of stormwater remedy practices at present in position.

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Extra resources for Optimizing Stormwater Treatment Practices: A Handbook of Assessment and Maintenance

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These processes are important for metals and phosphate, although each of these pollutants requires a slightly different assessment approach. The discussion that follows applies to the condition of equilibrium. Although these processes are not always at equilibrium, describing nonequilibrium processes is beyond the scope of this book. , CdOH+) bind to negatively charged sorbent surfaces. Dissolved cadmium, copper, and zinc are removed from stormwater runoff by sorption to organic material, such as compost (Morgan, 2011).

2006) that dictate handling protocol. Studies have shown that increased concentrations of salt (commonly sodium chloride) in stormwater can cause previous sorbed metals to become desorbed and discharged with the stormwater (Paus et al. unpublished). 2 Phosphate Process: Dissolved phosphate in infiltrated stormwater can undergo both precipitation and adsorption to soil particles. Phosphate is sometimes considered immobile in soils, but many studies have shown that phosphate adsorption is limited.

As with other biological processes, denitrification is also controlled by temperature. 6). 3 Plant Growth and Nutrient Uptake Process: Many stormwater treatment practices include plants: algae in ponds; emergent aquatic plants in wetlands and ponds; and grasses and other plants in rain gardens, filter strips, and swales. Plants assimilate (take up) nutrients during growth. Photosynthesis (the forward reaction) converts carbon dioxide (CO2), nitrate (NO3À), phosphate (HPO42À), and water to algae, producing oxygen (O2).

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