Potential Pollutants from Farm, Food and Yard Waste Composts at Differing Ages: Part I. Physical and Chemical Properties

Confesor, Remegio; Hamlett, J. M.; Shannon, R. D.; Graves, Robert E.

doi:10.1080/1065657x.2008.10702384

Cited by 6 publications

(3 citation statements)

References 18 publications

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“…The strong decline of the input C/N from 34 to a compost C/N ratio of 11.3 indicates high releases of C due to organic matter decomposition. According to Pearson et al [ 47 ] and Confesor et al [ 48 ] C/N rations below 15 are a hint for stability and maturity of the compost. The nutrients (NPK) content of the compost produced is in the range of values mentioned in the literature [ 15 , 16 , 17 ] [ 49 ].…”

Section: Resultsmentioning

confidence: 99%

Material Flows and Greenhouse Gas Emissions Reduction Potential of Decentralized Composting in Sub-Saharan Africa: A Case Study in Tiassalé, Côte d’Ivoire

Yeo

Dongo

Mertenat

et al. 2020

IJERPH

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Despite many composting initiatives implemented in recent years throughout Sub-Saharan Africa, there is yet a lack of data on material flows and the potential contribution of decentralized composting towards greenhouse gas (GHG) mitigation. This study fills this gap assessing flows, emissions reduction and other environmental benefits of decentralized composting, based on a pilot composting facility implemented in the municipality of Tiassalé in Côte d’Ivoire. Primary data collected at the site were visualized with the STAN version 2.6 software developed at the Vienna University of Technology (Austria), for material flows, while carbon emissions reduction was estimated using the UNFCCC methods. Results show that in 2017, from the 59.4 metric tons of organic waste processed by this pilot station, 14.2 metric tons of mature compost was produced, which correspond to 24% of the input mass (on wet weight basis). On dry weight basis, mature compost represents 36% of the input mass. The nutrient content of the compost is in line with data from literature on sub-Saharan African compost, and heavy metal contamination fulfils both French and German compost standards. Concerning the GHG emissions reduction potential, the results show that with this composting scenario, 87% of the baseline emissions occurring in open dumping can be avoided.

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Section: Resultsmentioning

confidence: 99%

Material Flows and Greenhouse Gas Emissions Reduction Potential of Decentralized Composting in Sub-Saharan Africa: A Case Study in Tiassalé, Côte d’Ivoire

Yeo

Dongo

Mertenat

et al. 2020

IJERPH

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show abstract

“…The low C:N ratio (together with decreased compost temperature; see Andersen et al, 2010) indicated that the conditions were non-optimal for microbial activity implying that the compost was stable and mature (Confesor et al, 2008). The low C:N ratio (together with decreased compost temperature; see Andersen et al, 2010) indicated that the conditions were non-optimal for microbial activity implying that the compost was stable and mature (Confesor et al, 2008).…”

Section: Chemical Composition Of Compostmentioning

confidence: 99%

“…Some of the key parameters (average values) were water content (30.5%), ash content (76.8% of TS), C content (11.9% of TS), N content (0.7% of TS), and C:N ratio (16.1). The low C:N ratio (together with decreased compost temperature; see Andersen et al, 2010) indicated that the conditions were non-optimal for microbial activity implying that the compost was stable and mature (Confesor et al, 2008). The heavy metal content was below all threshold limits.…”

Section: Chemical Composition Of Compostmentioning

confidence: 99%

Mass balances and life-cycle inventory for a garden waste windrow composting plant (Aarhus, Denmark)

et al. 2010

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A comprehensive life-cycle inventory of all consumptions and emissions of environmental relevance was made for the windrow composting plant treating garden waste in Aarhus (Denmark). The flows of materials and substances within the facility were balanced using the mass-balance model STAN. The overall fuel and electricity use at the facility (3.04 L diesel Mg(-1) wet waste (ww) and 0.2 k Wh Mg(-1) ww) was low whereas the emissions of CH( 4) and N(2)O from the windrows (2.4 ± 0.5 kg CH( 4)-C Mg(-1) ww and 0.06 ± 0.03 kg N(2)O-N Mg(-1) ww) were relatively high compared to data reported in similar studies. The loss of carbon during the 14-month-long composting was 56%. CH(4) made up 2.1% of the C lost. Loss of nitrogen-containing compounds was identified as the most sensible and uncertain parameter and could be relevant for global warming (N(2)O emissions), acidification (NH(3) emissions), and eutrophication (NH(3) and NO(3) emissions). The compost produced had a very low content of heavy metals and was suitable for use in gardens and/or agriculture.

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Selecting Monitoring Variables in the Manual Composting of Municipal Solid Waste Based on Principal Component Analysis

Saldarriaga

Gallego

López

et al. 2018

Waste Biomass Valor

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Potential Pollutants from Farm, Food and Yard Waste Composts at Differing Ages: Part I. Physical and Chemical Properties

Cited by 6 publications

References 18 publications

Material Flows and Greenhouse Gas Emissions Reduction Potential of Decentralized Composting in Sub-Saharan Africa: A Case Study in Tiassalé, Côte d’Ivoire

Material Flows and Greenhouse Gas Emissions Reduction Potential of Decentralized Composting in Sub-Saharan Africa: A Case Study in Tiassalé, Côte d’Ivoire

Mass balances and life-cycle inventory for a garden waste windrow composting plant (Aarhus, Denmark)

Selecting Monitoring Variables in the Manual Composting of Municipal Solid Waste Based on Principal Component Analysis

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