Vitrification of environmentally harmful by-products from biomass torrefaction process

Iwaszko, J.; Zajemska, M.; Zawada, Anna; Szwaja, S.; Poskart, A.

doi:10.1016/j.jclepro.2019.119427

Cited by 19 publications

(8 citation statements)

References 25 publications

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“…out the ideal factors for objective functions. Slow pyrolysis at low temperatures below 400ºC [3,4,20,22,41,42] is applied for this study to maximize the number of biochars (intermediate product) rather than bio-oil [19,43]. Our study conducts experiments of pyrolysis by a charcoal oven on the eld while this process has been mainly found in the laboratory and demo [19].…”

Section: Pre-design Of Waste Treatment Techniques For Experimental Optimizationmentioning

confidence: 99%

“…According to the recent literature [3,4,20,22,25,41,42] and on-eld experiments, three factors are found to in uence the effectiveness of pyrolysis, including the moisture content of the prunings, combustion time, and combustion temperature. Pyrolysis of prunings in this LO system shows that biochar from mango prunings reached the highest energy content among that of other tree prunings.…”

Section: Pre-design Of Waste Treatment Techniques For Experimental Optimizationmentioning

confidence: 99%

“…Pyrolysis and pelleting are popular thermochemical processes for generating biofuels [19][20][21]. Pyrolysis decomposes organic materials under non-oxidizing conditions and creates fuels with much energy content [5,20,22,23]. Gas, bio-oil, and biochar are energy products of pyrolysis that can be used to produce energy [19].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

An Economic-environmental-energy Efficiency Analysis for Optimizing Organic Waste Treatment of a Livestock-orchard System: A Case in the Mekong Delta, Vietnam

Thảo

Hieu²,

Thảo³

et al. 2021

Preprint

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BackgroundEconomic benefit has been analyzed for the yield of farming products when designing a farming system, while waste treatment also generates profitable energy products for this system. The economic factor is decisive in decision-making for applying waste treatment solutions for a small-scale farming system. A household farming system in the Mekong Delta generates many kinds of organic wastes, but most of the agricultural waste resources are disposed of into the environment. MethodsThis study approaches an analysis of economic-environmental-energy (EEE) efficiency for waste treatment of an integrated livestock-orchard (LO) system on a household scale in the Mekong Delta. This novel analysis method is based on the energy content of biomass and its cost. The EEE efficiency is optimized to gain objective functions regarding energy yield efficiency, system profit, and CO2 sequestration for the treatment model. The algorithms are built for optimizing these objective functions. ResultsThe optimization results show the treatment model of pyrolysis and pelleting gain all the objective functions with high efficiency. The model is efficiently applied for the LO system that generates more than 100 kilograms of orchard residues and 3,000 kilograms of pig manure. The system with a charcoal oven and pellet machine is capable to gain energy efficiency due to its potential biofuel products, such as biochars and pellet products. A treatment model of composting, pyrolysis, and pelleting gives the best performance of overall EEE efficiency. ConclusionsThis work has proven economic benefits from integrating biogas tank, charcoal oven, and pellet machine in an integrated LO system. The system contributes not only for reducing CO2 emissions but also for supplementing secondary renewable bioenergy, as well as for increasing incomes and thus supporting livelihoods for the local farming households.

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Section: Pre-design Of Waste Treatment Techniques For Experimental Optimizationmentioning

confidence: 99%

Section: Pre-design Of Waste Treatment Techniques For Experimental Optimizationmentioning

confidence: 99%

See 1 more Smart Citation

An Economic-environmental-energy Efficiency Analysis for Optimizing Organic Waste Treatment of a Livestock-orchard System: A Case in the Mekong Delta, Vietnam

Thảo

Hieu²,

Thảo³

et al. 2021

Preprint

View full text Add to dashboard Cite

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“…However, converting raw biomass directly into energy is not very profitable due to the fact that it is characterized by a high moisture and oxygen content, low calorific value and highly variable composition and properties [9]. Worth noting is the fact that biomass can be thermochemically transformed into different types of fuels, such as biochar, bio-oil, and gas, during such processes as torrefaction [10], pyrolysis [11], gasification [12] and hydrothermal liquefaction (Figure 1) [13,14]. Furthermore, pyrolysis and gasification seem to be, at the moment, the most reasonable and cost-effective methods for converting biomass 2 of 17 to energy [15,16].…”

Section: Introductionmentioning

confidence: 99%

Management of Lignocellulosic Waste towards Energy Recovery by Pyrolysis in the Framework of Circular Economy Strategy

et al. 2021

Self Cite

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The article presents the possibilities of effective management of lignocellulosic waste by including it in the circular economy. The pyrolysis process was chosen as the thermal conversion method. This approach, due to a high flexibility of the obtained products, better quality of the solid residue (char), and the lower emission of pollutants into the atmosphere, e.g., SO2 and NOx, is a competitive solution compared to combustion process. Wood waste from alder and pine were analyzed. As part of laboratory tests, the elementary composition was determined, i.e., C, H, N, S, and O. The pyrolysis process was carried out at a temperature of 600 °C on an experimental stand for the conversion of solid fuels in a stationary bed. For the obtained data, using the Ansys Chemkin-Pro calculation tool, the detailed chemical composition of gaseous products of the pyrolysis process was modeled for a varying temperature range and residence time in the reactor. The studies have shown that for certain process conditions it is possible to obtain a high calorific value of pyrolytic gas, up to 25 MJ/m3.

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“…These activities lead to contamination of air, water resources and soil, with organic and inorganic substances. Care for the environment has resulted in the development of many new technological processes for the treatment of solid, liquid and gaseous waste during industrial production, in order to reduce the emission of pollutants into the environment [1][2][3][4][5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Vitrification as a method of soil remediation

Trifunović¹

2021

Zaštita materijala

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Various types of contaminated soil and hazardous waste that have a negative impact on the environment and human health can be treated with the vitrification process. This process is based on thermal treatment of contaminated soil or waste at high temperatures, with the addition of additives, whereby the soil/waste melts and a stable glass is formed. The resulting glass and glass-ceramic products have good mechanical resistance, chemically are resistant and immobilize contaminants, thus preventing their further negative impact on the environment. This paper presents a literature review of the vitrification process of different types of contaminated soil and hazardous waste.

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Vitrification of environmentally harmful by-products from biomass torrefaction process

Cited by 19 publications

References 25 publications

An Economic-environmental-energy Efficiency Analysis for Optimizing Organic Waste Treatment of a Livestock-orchard System: A Case in the Mekong Delta, Vietnam

An Economic-environmental-energy Efficiency Analysis for Optimizing Organic Waste Treatment of a Livestock-orchard System: A Case in the Mekong Delta, Vietnam

Management of Lignocellulosic Waste towards Energy Recovery by Pyrolysis in the Framework of Circular Economy Strategy

Vitrification as a method of soil remediation

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