Assessment of organic matter biodegradation and physico-chemical parameters variation during co-composting of lignocellulosic wastes with Trametes trogii inoculation

Fersi, Mariem; Mbarki, Khadija; Gargouri, Kamel; Mechichi, Tahar; Hachicha, Ridha

doi:10.4491/eer.2018.341

Cited by 12 publications

(5 citation statements)

References 38 publications

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“…A lignocellulosic waste composting study determined the effect of Trametes trogii (white rot fungus), during different composting stages on the lignin and cellulose decomposition. Inoculations done at 0, 120 and 180 days showed that, lignin degradation paced maximum at the maturation phase for all the treatments (Fersi et al, 2019). Xi et al (2012), studied the effect of initial-stage, two-stage, and multi-stage inoculations on the composting efficiency of MSW, where process efficiency was maximum for multi-stage microbial inoculations.…”

Section: Microbial Additivesmentioning

confidence: 99%

Microbes as vital additives for solid waste composting

Rastogi

Nandal

Khosla

2020

Heliyon

170

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Composting is a natural process that stems through microbial succession, marking the degradation and stabilization of organic matter present in waste. The use of microbial additives during composting is considered highly efficient, likely to enhance the production of different enzymes resulting in better rate of waste degradation. In lesser developed countries, composting has emerged as a vital technology to recycle the biodegradable waste while generating a useful product. Depending on the composition of the waste material, it can either directly undergo composting or homogenized prior to secondary waste treatment methods such as landfilling. However, a relatively expensive downstream handling all along is a main hurdle towards economics of the process. Although basic methodology and recent approaches are known in crucial aspects of the process through various reviews, exploring the behavior of effective microbial additives will be resourceful. In this review, to fill in the gap, studies related to microbial composting of municipal solid and food waste were acknowledged. Here in, factors that could slow down the composting process and affect the compost quality were addressed. Lastly, the review pictured a positive simulation and stated how excellent results, can be achieved by microbial additives during composting.

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Section: Microbial Additivesmentioning

confidence: 99%

Microbes as vital additives for solid waste composting

Rastogi

Nandal

Khosla

2020

Heliyon

170

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“…During the biodegradation process, the biota could release a certain amount of energy, generating heat and producing a slightly increase in the temperature [33].…”

Section: Monitoring Of the Chemical And Physico-chemical Parametersmentioning

confidence: 99%

“…(g) (h) (i) The temperature was slightly higher for CWW with respect to NCWW (21.8 ± 0 vs. 21.4 ± 0.5 °C, respectively) (Table S3). Because of its abundant organic substance tent, cellulose is a source of carbon and energy for a wide range of microorganisms During the biodegradation process, the biota could release a certain amount of en generating heat and producing a slightly increase in the temperature [33].…”

Section: Monitoring Of the Chemical And Physico-chemical Parametersmentioning

confidence: 99%

Influence of Cellulose on the Anoxic Treatment of Domestic Wastewater in Septic Tanks: Statistical Analysis of the Chemical and Physico-Chemical Parameters

Djordjevićová,

Carnevale Miino,

Raček

et al. 2023

Sustainability

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Cellulose is a very common polymer in domestic wastewater (WW), representing a not negligible part of the organic substance contained in sewage. To date, many studies have highlighted the feasibility of reusing this compound in several ways (e.g., building sector, wastewater treatment, energy production, etc.) after its separation from domestic WW. However, studies about the impact of the absence of cellulose on the chemical and physico-chemical parameters of a biological process are still lacking. In this work, two pilot-scale plants were used to simulate an anoxic treatment of WW in septic tanks, with and without cellulose (CWW and NCWW, respectively), for three months. The results of the monitoring highlighted that T, pH, and electrical conductivity (EC) remained almost constants, in both cases. The Spearman correlation coefficients (SCC) for turbidity (TUR), total suspended solids (TSS), and color (COL) indicated a higher removal in the case of CWW (65%, 66%, and 56%, respectively). Organic substance and nitrogen forms showed a similar behavior with and without cellulose, but in the case of CWW, N-NH3 was highly negatively correlated with TUR (SCC: −0.54), TSS (−0.49), and COL (−0.39). A biological denitrification process was highlighted in both cases. Despite these differences, when statistically analyzing the trends of the chemical and physico-chemical parameters for CWW and NCWW, a significant difference due to the absence of cellulose was excluded. These results will be useful to the scientific community, as they exclude that the operational parameters of anoxic treatments and the effectiveness on pollutants removal can be affected in the case of preliminary cellulose separation from domestic WW for recovery/reuse purposes.

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“…The lowest values of the rate constants of mineralization were noted during composting feedstock with lignocellulosic materials [11,12]. Therefore, some authors, to accelerate degradation of lignocellulosic, use inoculation, e.g., with fungi producing non-specific laccase [13]. Laccases enhance the efficiency of of phenolic and non-phenolic compounds including lignin.…”

Section: Temperature Profiles and Organic Matter Removalmentioning

confidence: 99%

Waste Willow-Bark from Salicylate Extraction Successfully Reused as an Amendment for Sewage Sludge Composting

Kulikowska

Bernat

2021

Sustainability

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Due to the fact that compost is a valuable fertilizer that serves principally as a source of macronutrients, composting is one of the preferred methods of management of organic waste, including municipal sewage sludge. However, due to its high moisture content and low C/N ratio, sewage sludge cannot be composted alone. This study investigated the usefulness of waste willow-bark (WWB) (after salicylate extraction) as an amendment for municipal sewage-sludge composting in a two-stage system: an aerated bioreactor and a periodically turned windrow. Both organic matter (OM) removal and humification progress were monitored. It was found that the prepared feedstock (70% sewage sludge, 25% WWB, and 5% wood chips, w/w) enabled proper temperature profiles to be obtained, with a maximum temperature of 72.3 °C. The rate constant of OM degradation in the bioreactor was 0.25 d−1, almost 4-fold higher than that in the windrows. During composting, the concentrations of humic substances (HS), humic acids (HA), and the fulvic fraction (FF) changed. HS, HA, and FF formation proceeded according to 1. order kinetics, and their respective rates were 1.33 mg C/(g OM d), 1.03 mg C/(g OM d), and 0.76 mg C/(g OM d). However, in mature compost, FF predominated (ca. 70%) in HS. These results indicate that waste willow-bark, a product of salicylate extraction, can be successfully reused as an amendment during municipal sewage sludge composting. Both waste willow-bark reuse and sewage sludge composting are compatible with a circular economy.

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Assessment of organic matter biodegradation and physico-chemical parameters variation during co-composting of lignocellulosic wastes with Trametes trogii inoculation

Cited by 12 publications

References 38 publications

Microbes as vital additives for solid waste composting

Microbes as vital additives for solid waste composting

Influence of Cellulose on the Anoxic Treatment of Domestic Wastewater in Septic Tanks: Statistical Analysis of the Chemical and Physico-Chemical Parameters

Waste Willow-Bark from Salicylate Extraction Successfully Reused as an Amendment for Sewage Sludge Composting

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