Articles with "oyster shell" as a keyword



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Addition of oyster shell to enhance organic matter degradation and nitrogen conservation during anaerobic digestate composting

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-09460-2

Abstract: Anaerobic digested residue (DR) is the main by-product from biogas plants, and it is predominantly used as organic fertilizer after composting. To resolve the problems of long duration and nitrogen loss in conventional composting, bulking… read more here.

Keywords: nitrogen; degradation; addition; oyster shell ... See more keywords
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Effect of oyster shell medium and organic substrate on the performance of a particulate pyrite autotrophic denitrification (PPAD) process.

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Published in 2017 at "Bioresource technology"

DOI: 10.1016/j.biortech.2017.07.109

Abstract: The use of pyrite as an electron donor for biological denitrification has the potential to reduce alkalinity consumption and sulfate by-product production compared with sulfur oxidizing denitrification. This research investigated the effects of oyster shell… read more here.

Keywords: oyster shell; performance particulate; performance; denitrification ... See more keywords
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Effects of humic acid modified oyster shell addition on lignocellulose degradation and nitrogen transformation during digestate composting.

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Published in 2021 at "Bioresource technology"

DOI: 10.1016/j.biortech.2021.124834

Abstract: The aim of this work was to investigate the performance of a novel humic acid modified oyster shell (MOS) bulking agent on the digestate composting. MOS was prepared by immobilizing humic acid onto oyster shell… read more here.

Keywords: oyster shell; acid modified; humic acid;
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Accelerated adsorption of tetracyclines and microbes with FeOn(OH)m modified oyster shell: Its application on biotransformation of oxytetracycline in anaerobic enrichment culture

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.130499

Abstract: Abstract Due to the persistence in residue and the emission to environment, antibiotics have become the emerging contaminants. Tetracyclines, as the largest amount of antibiotics in the breeding industry, were investigated in this study. For… read more here.

Keywords: feon modified; oxytetracycline; modified oyster; oyster shell ... See more keywords
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Vitrocrystalline foams produced from glass and oyster shell wastes

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Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.02.078

Abstract: Abstract In this work discarded glass bottles (GB) of different colors and oyster shells, OS (1–15 wt%) as pore forming agent were used to produce vitrocrystalline foams. Homogenized powders of the formulated compositions were uniaxially pressed… read more here.

Keywords: oyster shell; glass; vitrocrystalline foams; foams produced ... See more keywords
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Experimental study on the shear performance of brick masonry strengthened with modified oyster shell ash mortar

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Published in 2020 at "Case Studies in Construction Materials"

DOI: 10.1016/j.cscm.2020.e00469

Abstract: Abstract One of the main reasons for the lack of seismic capacity of existing historical masonry buildings in China is that the strength of the lime-clay mortar used in these buildings is insufficient. In this… read more here.

Keywords: modified oyster; brick masonry; oyster shell; masonry ... See more keywords
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Attapulgite and processed oyster shell powder effectively reduce cadmium accumulation in grains of rice growing in a contaminated acidic paddy field.

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Published in 2020 at "Ecotoxicology and environmental safety"

DOI: 10.1016/j.ecoenv.2020.111840

Abstract: Heavy-metal contamination is widespread in agricultural soils worldwide, especially paddy soils contaminated by Cd. Amendment-induced immobilization of heavy metals is an attractive and effective technique, provided that cost-effective materials are used. This field experiment compared… read more here.

Keywords: accumulation; shell powder; processed oyster; attapulgite processed ... See more keywords
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Influence of pruning waste biochar and oyster shell on N2O and CO2 emissions from Japanese pear orchard soil

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Published in 2018 at "Heliyon"

DOI: 10.1016/j.heliyon.2018.e00568

Abstract: Two incubation experiments were conducted under controlled moisture and temperature conditions to determine the effects of soil amendment treatments based on pruning waste biochar and oyster shell, on N2O and CO2 emissions from an orchard… read more here.

Keywords: waste biochar; co2 emissions; oyster shell; soil ... See more keywords
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Modification of oyster shell powder by humic acid for ammonium removal from aqueous solutions and nutrient retention in soil

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Published in 2021 at "Journal of Environmental Chemical Engineering"

DOI: 10.1016/j.jece.2021.106708

Abstract: Abstract Oyster shell (OS) can be used as absorbent, building material, catalysts and agricultural supplement due to the specific physicochemical properties. To add to the value of this wild raw material, a novel humic acid-modified… read more here.

Keywords: soil; spectroscopy; humic acid; oyster shell ... See more keywords
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Facilitation of non-indigenous ascidian by marine eco-engineering interventions at an urban site

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Published in 2023 at "Biofouling"

DOI: 10.1080/08927014.2023.2186785

Abstract: Abstract Marine artificial structures often support lower native species diversity and more non-indigenous species (NIS), but adding complex habitat and using bioreceptive materials have the potential to mitigate these impacts. Here, the interacting effects of… read more here.

Keywords: facilitation non; oyster shell; urban site; non indigenous ... See more keywords
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Highly bioavailable nanocalcium from oyster shell for preventing osteoporosis in rats

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Published in 2017 at "International Journal of Food Sciences and Nutrition"

DOI: 10.1080/09637486.2017.1307948

Abstract: Abstract Oyster shell is one of the foremost natural sources of calcium and is used as an alternative treatment for osteoporosis. In this study, we demonstrated that zinc-activated nanopowdered oyster shell (Zn-NPOS) effectively reduced bone… read more here.

Keywords: highly bioavailable; bone; oyster shell; oyster ... See more keywords