ArticleWater environment research : a research publication of the Water Environment Federation2026
Effect of Mixed Coal Fly Ash (CFA) and Oyster Shells (OS) on Benthic Nutrient Removal in Eutrophic Coastal Sediments: Microcosm Experiment.
Article in Water environment research : a research publication of the Water Environment Federation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Valorization of mariculture and industrial solid wastes of oyster shell (OS) and coal fly ash (CFA) into granulated sediment amendments offers a cost-effective and environmentally sustainable alternative to conventional landfill disposal. This study evaluates the geochemical effects of granulated OS-CFA at three mixing ratios (1:1, 1:3, and 3:1) on nutrient dynamics in polluted coastal sediments through a 120-day microcosm experiment. Thermally treated OS-CFA enhances pollutant adsorption by increasing porosity and active surface sites, effectively suppressing nutrient release from sediment into overlying water. Hydrolysis of CaO, the main component in OS and CFA, releases Ca
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