Compost use in wetland restoration

Article Abstract:

The city government of Everett, WA, and the Clean Washington Center are conducting studies to develop guidelines for the replicating natural wetlands using composting. Preliminary analyses showed that various parameters, specific to each wetland, need to be identified to determine proper applications of composting. These parameters include organic matter decomposition rates, plant growth and population dynamics.

Wetland conservation, Soil ecology

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Reducing odors and VOC emissions

Article Abstract:

Research at the Montgomery County Regional Composting Facility (MCRCF) in Silver Spring Maryland has revealed that VOC emissions and odour from biosolids and composting units can be reduced by using consistent biosolids as feedstocks. The addition of lime and wood ash to biosolids can also reduce emission of odour and sulfur, although the former increases methanol emission.

Odor control, Montgomery County Regional Composting Facility

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Generating revenue from compost facility runoff

Article Abstract:

Compost runoff can be used to produce compost tea, which has nutrient value. Pathogens can be removed through correct treatment procedures, allowing runoff to become a valuable product rather than a waste problem. Seattle's Woodland Park Zoo has carried out work in this area.

Zoos

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