Pilot-scale composting of typical multiple agricultural wastes: Parameter optimization and mechanisms

Bian, Bo; Hu, Xianwei; Zhang, Shaopeng; Lv, Chengxu; Yang, Zhen; Yang, Weiben; Zhang, Limin

doi:10.1016/j.biortech.2019.121482

Cited by 90 publications

(36 citation statements)

References 43 publications

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“…On average, microorganisms use 30 carbon atoms per nitrogen atom to ensure the evolution of an efficient process. Therefore, the C:N ratio at the beginning of the bioprocess is generally between 20 and 30 [52]. Starting with adjusted C:N ratios, which were within the limit suggested, BC 0 had the lowest ratio of 20.73, followed by BC 10 and BC 20 with 27.05 and 29.71, respectively.…”

Section: C:n Ratiomentioning

confidence: 80%

Optimization of Food Waste and Biochar In-Vessel Co-Composting

et al. 2020

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As bulking agents (BA) affect the composting process, this work examined the impact of combinations of different organic components in order to obtain an efficient co-substrate for food waste (FW) in-vessel composting. To boost the occurrence of microorganisms inhabiting the compost, mature compost was firstly coupled with wheat straw, added to FW, and considered as a control (BC0). Then, two trials (BC10, BC20) including 10% and 20% of biochar were monitored. The results indicated that the temperature of the amended bioreactors was notably increased compared to the unamended one. Thermophilic temperatures were achieved at 14, 34, and 78 h after the experimental setup for BC20, BC10, and BC0, which lasted for 14, 17, and 12 days, respectively. When it came to an assessment of maturity and stability, the quality of the compost was evaluated against several indicators and compared with the compost quality standards of the UK, France, Canada, the USA, Poland, and Germany. BC10 illustrated a high-quality product in relation to the heavy metal concentration, a C:N ratio which reached 14.97, an AT4 which was lower than 6 (4.36 mg O2/g TS), and a nitrification index of 2.61 (<3). Consequently, the addition of 10% of biochar as a co-substrate showed an improvement of the process evolution and the characteristics of the biofertilizer produced.

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Section: C:n Ratiomentioning

confidence: 80%

Optimization of Food Waste and Biochar In-Vessel Co-Composting

et al. 2020

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“…Previous research found that rice husks had moisture content of 9.5%, 48.1% of total carbon, 0.78% nitrogen total (Wu et al, 2015), and C/N ratio at 73.4 (Bian et al, 2019). As shown in Table 1, teak (Tectona grandis) wood scraps sample displayed a relatively similar character with rice husks, except C/N ratio.…”

Section: Results and Discussion Rice Husks And Teak Wood Scraps Charamentioning

confidence: 81%

“…Since the composting period of this study was (Khalil et al, 2011). Bian et al (2019) suggested that better quality of compost could be engendered by prolonging the time of composting. Taking into this account, the period of composting method should be extended to gain the optimum pH.…”

Section: The Quality Of the Resulted Composting Processmentioning

confidence: 83%

Characteristics of organic fertilizer derived from fleshing waste with teak (Tectona grandis) wood scrap

Griyanitasari¹,

Pahlawan²

2020

MKKP

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“…One of the most important management strategies for solid organic waste is composting, which is a process that involves the biooxidative decomposition of organic matter [66][67][68]. Composting can produce high-quality products that are effective for application in agriculture, due to its cost-effectiveness, easy operation, and environmental friendliness [69,70]. In this sense, the composting of cattle manure has a variety of agricultural benefits, such as decreasing the mass and water content, inhibiting pathogens, killing weed seeds, and producing stable and spreadable organic matter [71].…”

Section: Compost Vermicompost and Biocharmentioning

confidence: 99%

Natural Organic Compounds for Application in Organic Farming

2020

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Chemical fertilizers, pesticides, and fungicides are widely used in agriculture to improve crop yields. Most of the compounds used are synthetic, and their overuse causes environmental pollution and human health problems. Currently, several countries are working to reduce the use of agrochemicals. Organic agriculture is now emerging as a sustainable alternative to traditional agriculture using environmentally friendly strategies such as the application of organic fertilizers from plant and animal waste and pesticides based on plant extracts and microbials. However, the availability of commercial biopesticides and organic fertilizers is very limited because there are certain barriers to the commercialization of biological products. These barriers include small available quantities of raw materials and strict registration laws requiring toxicological tests and other studies that are expensive and time consuming. The objective of this review is to provide details about the various organic fertilizers and pesticides that do not have the same disadvantages as synthetic compounds in terms of persistence and toxicity.

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Pilot-scale composting of typical multiple agricultural wastes: Parameter optimization and mechanisms

Cited by 90 publications

References 43 publications

Optimization of Food Waste and Biochar In-Vessel Co-Composting

Optimization of Food Waste and Biochar In-Vessel Co-Composting

Characteristics of organic fertilizer derived from fleshing waste with teak (Tectona grandis) wood scrap

Natural Organic Compounds for Application in Organic Farming

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