A sewage sludge co-composting process using respirometric monitoring method in hermetic rotary reactor

Scoton, Edvaldo José; Battistelle, Rosane Aparecida Gomes; Bezerra, Bárbara Stolte; Akutsu, Jorge

doi:10.1016/j.jclepro.2015.04.081

Cited by 27 publications

(16 citation statements)

References 21 publications

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“…Composting is defined as the process associated with the aerobic degradation of organic materials such as food leftover, paper, leaves, and manure performed by microorganisms usually under controlled conditions (Scoton, Battistelle, Bezerra, & Akutsu, 2016).…”

Section: Sulfamethoxinementioning

confidence: 99%

The incidence of antibiotic resistance within and beyond the agricultural ecosystem: A concern for public health

2020

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The agricultural ecosystem creates a platform for the development and dissemination of antimicrobial resistance, which is promoted by the indiscriminate use of antibiotics in the veterinary, agricultural, and medical sectors. This results in the selective pressure for the intrinsic and extrinsic development of the antimicrobial resistance phenomenon, especially within the aquaculture‐animal‐manure‐soil‐water‐plant nexus. The existence of antimicrobial resistance in the environment has been well documented in the literature. However, the possible transmission routes of antimicrobial agents, their resistance genes, and naturally selected antibiotic‐resistant bacteria within and between the various niches of the agricultural environment and humans remain poorly understood. This study, therefore, outlines an overview of the discovery and development of commonly used antibiotics; the timeline of resistance development; transmission routes of antimicrobial resistance in the agro‐ecosystem; detection methods of environmental antimicrobial resistance determinants; factors involved in the evolution and transmission of antibiotic resistance in the environment and the agro‐ecosystem; and possible ways to curtail the menace of antimicrobial resistance.

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Section: Sulfamethoxinementioning

confidence: 99%

The incidence of antibiotic resistance within and beyond the agricultural ecosystem: A concern for public health

2020

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“…Testing under anaerobic conditions may also be used for this purpose. In some European countries, to test the degree of stability of landfilled waste after mechanical-biological treatment (MBT), static respiration indexes (AT 4 , RA 4 , RI 4 ) are used [22,23]. Furthermore, the incubation test or fermentation test, respectively GS 21 or GB 21 , are used as a complementary indicator for their stability [18].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Composition Changes, Stability Degree and the Potential of Biogas Formation of Sewage Sludge Composts During Maturation Process

Bożym

Siemiątkowski

2019

Waste Biomass Valor

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The aim of this study was to assess the degree of stabilization of composted sewage sludge (SSC) during maturation using tests in aerobic and anaerobic conditions, determining the potential for biogas formation and its composition, as well as changes of mobile and bioavailable forms of metals in SSC after treatment. The samples were taken in the second phase of composting, during the maturation process. The biological stability of SSC samples was determined by detecting an incubation test (GS 21 ) and respiration index (AT 4 ). The potential for biogas formation and composition changes of SSC during maturation were analyzed. It was found that the chemical composition of the tested samples depended on the degree of their maturity. It was found that the both tested methods (AT 4 , GS 21 ) of assessing the stability of waste are sufficient. Treatment under anaerobic conditions did not significantly change the composition of the samples, with the exception of total organic carbon (TOC). A high percentage of methane in biogas for samples at the beginning of the maturation process indicates a high content of biodegradable organic matter in SSC. In addition, the decrease of mobile and bioavailable forms of heavy metals percentage, during the SSC maturation, was found. In order to confirm the results of current study, a long-term field studies should be carried out on the effects of SSCs tested on soils and plants. Graphic AbstractKeywords Sewage sludge compost (SSC) · Maturity · Incubation test (GS 21 ) · Respiration index (AT 4 ) · Biogas potential · Heavy metals * Marta Bożym

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“…Nevertheless, conventional composting can lead to severe nitrogen loss, greenhouse gas emissions and enrichment of heavy metals [6]. Moreover, the number of beneficial microbes is low during the early stage of composting.…”

Section: Introductionmentioning

confidence: 99%

Performance of co-composting waste activated sludge and aged refuse

Lu¹

2019

Desalination and Water Treatment

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This study was performed to investigate the effects of aged refuse (AR) as an amendment on waste activated sludge (WAS) composting dynamics. Four dosages of AR (5%, 10%, 15% and 20%, on WAS dry weight basis) were amended to WAS for composting during a 36 d period. Cornstalks were added at 15% (of total wet weight of WAS) to improve the co-composting process. Results show that appropriate AR proportion could rapidly initialize the co-composting process, enhance organic content for biodegradation, and increase the humification degree during composting. Moreover, AR significantly decreased total nitrogen losses and plant toxicity. The maturity parameters indicate that compost with AR became more matured and humified within 36 d of composting, with the maturity parameters being within the permissible limits of organic farming in contrast to the control without AR.

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A sewage sludge co-composting process using respirometric monitoring method in hermetic rotary reactor

Cited by 27 publications

References 21 publications

The incidence of antibiotic resistance within and beyond the agricultural ecosystem: A concern for public health

The incidence of antibiotic resistance within and beyond the agricultural ecosystem: A concern for public health

Assessment of Composition Changes, Stability Degree and the Potential of Biogas Formation of Sewage Sludge Composts During Maturation Process

Performance of co-composting waste activated sludge and aged refuse

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