Carbon Dioxide and Methane Emissions during the Composting and Vermicomposting of Sewage Sludge under the Effect of Different Proportions of Straw Pellets

Dume, Bayu; Hanč, Aleš; Švehla, Pavel; Chane, Abraham Demelash; Nigussie, Abebe

doi:10.3390/ecas2021-10337

Cited by 3 publications

(1 citation statement)

References 30 publications

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“…Greenhouse gas emission is linked with the carbon content of the waste used. Vermicomposting can be used for reducing the methane emission from the sewage sludge with an additive of pelletized wheat straw [36]. There are reports that worm composting reduces CH 4 emissions in comparison to controlled conditions due to the aerobic environment maintained in the pile by the earthworms.…”

Section: Mitigating Ghgs Emission During the Vermicomposting Of Wastementioning

confidence: 99%

Impact of Vermicomposting on Greenhouse Gas Emission: A Short Review

Panda¹,

Mishra²,

Dutta³

et al. 2022

Sustainability

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The implementation of cutting-edge agricultural practices provides tools and techniques to drive climate-smart agriculture, reduce carbon emissions, and lower the carbon footprint. The alteration of climate conditions due to human activities poses a serious threat to the global agricultural systems. Greenhouse gas emissions (GHG) from organic waste management need urgent attention to optimize conventional composting strategies for organic wastes. The addition of various inorganic materials such as sawdust and fly ash mitigate GHG during the vermicomposting process. This paper critically investigates the factors responsible for GHG emissions during vermicomposting so that possible threats can be managed.

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Section: Mitigating Ghgs Emission During the Vermicomposting Of Wastementioning

confidence: 99%

Impact of Vermicomposting on Greenhouse Gas Emission: A Short Review

Panda¹,

Mishra²,

Dutta³

et al. 2022

Sustainability

View full text Add to dashboard Cite

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Analysis of the Effect of Sludge Reduction and Energy Production from Introducing Anaerobic Digest Plant into a Sewage Treatment Plant

Kim

Phae

2022

Water

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As the amount of sewage sludge (SS) is increasing worldwide, anaerobic digesters (ADP) are being distributed to reduce it and treat it in an environmentally friendly way. In Korea, 20 years have passed since the introduction of ADP, but the number of sewage treatment plants (STP) installed with ADP is only about 10% of the total STP. Accordingly, problems and improvements were examined through material flow analysis targeting STP, and the effect of introducing anaerobic digestion (AD) was analyzed as a way to solve them. As a result of the analysis, the amount of SS generated by the STP (SS-ADP + Co-ADP) installed and operated by an AD was 0.54 kg/m3, and the facility without it was 0.77 kg/m3, showing a reduction effect of about 31%. The SS reduction effect of the facility that only used SS-AD was found to be reduced by 21–24% TOE (Ton Of Equivalent))/day, which has the effect of reducing 794,867 kg-CO2/day of greenhouse gas. In terms of energy efficiency, Co-AD was 86% higher than SS-AD, and biogas production yield was 90% higher than that of SS-AD. Therefore, it is necessary to introduce Co-AD into STP in terms of reducing SS, energy production, and greenhouse gas reduction.

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Sludge Composting—Is This a Viable Solution for Wastewater Sludge Management?

Manea,

Bumbac

2024

Water

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Wastewater treatment plants generate significant amounts of sludge, a residual product that is rich in nutrients, usually considered waste, and traditionally eliminated by storage or incineration, methods that are expensive, environmentally damaging, and often unsustainable. Composting is increasingly recognized as an ecological and durable solution for managing biodegradable waste, including sludge resulting from wastewater treatment. The composting of residual sludge usually requires mixing with bulking agents, such as green waste or agricultural residues, to ensure a well-balanced carbon–nitrogen ratio. This mixture undergoes a controlled aerobic decomposition, sometimes followed by post-treatment, resulting in a stabilized final product that is nutrient-rich and pathogen-free and can be used as soil amendment or fertilizer in different agricultural or landscaping applications. By using composting, communities can reduce elimination costs, reduce greenhouse gas emissions, and minimize the environmental impact of sludge management. This paper reviews recent reported experiences in the laboratory regarding full-scale sludge composting, highlighting the particularities of the processes, the influence factors, the quality of the final product, and the environmental and regulatory constraints. Composting is a sustainable and ecological solution for managing wastewater sludge, contributing to nutrient circularity, and minimizing the environmental impact.

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Carbon Dioxide and Methane Emissions during the Composting and Vermicomposting of Sewage Sludge under the Effect of Different Proportions of Straw Pellets

Cited by 3 publications

References 30 publications

Impact of Vermicomposting on Greenhouse Gas Emission: A Short Review

Impact of Vermicomposting on Greenhouse Gas Emission: A Short Review

Analysis of the Effect of Sludge Reduction and Energy Production from Introducing Anaerobic Digest Plant into a Sewage Treatment Plant

Sludge Composting—Is This a Viable Solution for Wastewater Sludge Management?

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