Better use of bioenergy: A critical review of co-pelletizing for biofuel manufacturing

Cui, Xuyang; Yang, Junhong; Wang, Zeyu; Shi, Xuejiao

doi:10.1016/j.ccst.2021.100005

Cited by 51 publications

(33 citation statements)

References 73 publications

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“…Therefore, blending SFM with pinewood sawdust would improve the degree of compactness of the fuel. We focused our study on agro-residual biomass due to the need for diversifying pelletization [ 45 ] and the structure of the Brazilian agribusiness sector. However, co-pelletizing SFM with woody biomass would provide insights into composite plastic-fiber frameworks to the progress of the global solid fuel market.…”

Section: Resultsmentioning

confidence: 99%

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Agro-residual biomass and disposable protective face mask: a merger for converting waste to plastic-fiber fuel via an integrative carbonization-pelletization framework

Moreira

Cruz

Júnior

et al. 2022

Biomass Conv. Bioref.

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Incineration and landfilling offer possibilities for addressing high-rate management of COVID-waste streams. However, they can be costly and environmentally unsustainable. In addition, they do not allow to convert them to fuels and chemicals as waste-to-energy and waste-to-product technologies. Therefore, we analyzed whether integrating hydrothermal carbonization (HTC) and pelletization can allow converting the surgical face mask (SFM) and biomass to composite plastic-fiber fuel (CPFF). We blended the plastic material and corncob, peanut shell, or sugarcane bagasse at the proportion of 50:50 (%, dry mass basis) for HTC. We performed the thermal pretreatment of blends in an autoclaving reactor at 180 °C and 1.5 MPa. Then we pelletized the hydrochars in a presser machine at 200 MPa and 125 °C. By analyzing the evidence from our study, we recognized the viability of combining the SFM and agricultural residues for CPFF from comparable technical features of our products to standards for premium-grade wood pellets. For instance, the elemental composition of their low-meltable ash was not stoichiometrically sufficient to severely produce slagging and fouling in the equipment for thermal conversion. Although they contained synthetic polymers in their structures, such as polyethylene from filter layers and nylon from the earloop, they emitted CO and NO x below the critical limits of 200 and 500 mg m −3 , respectively, for occupational safety. Therefore, we extended the knowledge on waste-to-energy pathways to transform SFM into high-quality hybrid fuel by carbonization and pelletization. Our framework can provide stakeholders opportunities to address plastic and biogenic waste in the context of a circular economy. Supplementary Information The online version contains supplementary material available at 10.1007/s13399-022-03285-4.

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Section: Resultsmentioning

confidence: 99%

“…However, co-pelletizing SFM with woody biomass would provide insights into composite plastic-fiber frameworks to the progress of the global solid fuel market. Northern manufacturers often rely on forest residues to produce fuel-flexible pellets for generating heat and electricity [ 45 ].…”

Section: Resultsmentioning

confidence: 99%

Agro-residual biomass and disposable protective face mask: a merger for converting waste to plastic-fiber fuel via an integrative carbonization-pelletization framework

Moreira

Cruz

Júnior

et al. 2022

Biomass Conv. Bioref.

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“…From an economic point of view, local food is much more useful than imported food, but many do not even think before choosing one product or another. Pellets made from energy crops have long been able to provide strong support to local farms, especially in regions where land is less fertile for growing cereal crops [5,6]. Such plant biomass is completely unaffected by soil and weather conditions, and it does not depend on the use of fertilizers.…”

Section: Introductionmentioning

confidence: 99%

“…Environmentally friendly fuels would help solve the energy problems associated with greenhouse gas emissions. Research on the most optimal energy crops has long been carried out in Lithuania and other European Union countries [5,6]. Considering the agreements between the countries and the common strategy, Lithuania has submitted its commitments to the European Union that 23% of Lithuania's total energy balance will consist of biomass by 2020, and this agreement has been fully implemented.…”

Section: Introductionmentioning

confidence: 99%

“…The ash from the combustion of Miscanthus accounts for about 4-5% of the total mass, has good chemical, physical, and mineral properties, and can be used as an eco-efficient additive in cement production and as a fertilizer for plants [6,13]. Miscanthus can also be used to make wood fiber, and some species are suitable for rapid pyrolysis to obtain bio-oils [14,15].…”

Section: Introductionmentioning

confidence: 99%

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Assessment of Quality Indicators of Pressed Biofuel Produced from Coarse Herbaceous Plants and Determination of the Influence of Moisture on the Properties of Pellets

et al. 2022

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Three coarse herbaceous energy plants—such as Miscanthus (Miscanthus sinensis), sida (Sida hermaphrodita Rusby) and cup plant (Silphium perfoliatum L.)—were grown and investigated in the experimental fields of Vytautas Magnus University Agriculture Academy, and the technical means of plant processing and utilization for solid biofuel were investigated. The physical–mechanical properties and quality indicators (moisture content, biometrical properties, density, and resistance to compression) of coarse stem herbaceous plants milled and compressed into 6 mm diameter pellets were investigated. The moisture content of the tested pellets was sufficiently low and ranged from 8.7% to 9.6%. The highest density was that of sida pellets (1072.3 ± 43.4 kg m−3 DM), and the lowest density was that of Miscanthus pellets (713.5 ± 67.1 kg m−3 DM). In order to evaluate the influence of moisture content on the properties of biofuel pressed into pellets, the density and the destructive compressive force of the different-moisture pellets were investigated and their change in the range of 5–15% pellet moisture content was evaluated. Criterion k was calculated to determine the effect of moisture on the pellet quality indicators (density, destructive compressive force, and lower heating value), and the following results were obtained: the highest influence of moisture on density was observed in sida (k = 34.280), on destructive compressive force in Miscanthus (k = 14.5), and on the lower heating value, also in Miscanthus (k = 0.198). After a comprehensive investigation and evaluation of these properties, an empirical model suitable for practical use was developed and prepared. Emissions of harmful gases, such as carbon monoxide, carbon dioxide, and nitrogen oxides, were determined when various coarse stem herbaceous energy plants were burned. The determined emissions of harmful gases into the environment did not exceed the permissible values.

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Exploring the Potential of Perennial Nectar‐Producing Wild Plants for Pellet Combustion

von Cossel,

Heinzel,

Patiño Lordello

et al. 2024

Advanced Sustainable Systems

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Perennial nectar‐producing wild plant species (WPS) cultivation for biogas production helps improve ecosystem services such as habitat functioning, erosion mitigation, groundwater protection, and carbon sequestration. These ecosystem services could be improved when WPS are harvested in late winter to produce pellets and briquettes as solid energy carriers for heat production. This study aims for gaining first insights into the use of WPS biomass as resource for pellet and briquette combustion with focus on two perennial WPS common tansy (Tanacetum vulgare L.) and mugwort (Artemisia vulgaris L.), and two biennial WPS yellow melilot (Melilotus officinalis L.) and wild teasel (Dipsacus fullonum L.). All WPS are found economically viable for pellet combustion. The main drivers are i) low cultivation costs, ii) subsidies, and iii) low pellet production costs due to low moisture contents. However, high ash contents in WPS biomass justify the need of i) blending with woody‐biomass or ii) supplementing with additives to attain international standards for household stoves. This approach appears technically feasible providing a research field with significant potential impacts. As 70% of the pellet market is demanded as household level, public concern about the legal framework of alternative plant biomass pellets must be overcome to develop this market.

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Better use of bioenergy: A critical review of co-pelletizing for biofuel manufacturing

Cited by 51 publications

References 73 publications

Agro-residual biomass and disposable protective face mask: a merger for converting waste to plastic-fiber fuel via an integrative carbonization-pelletization framework

Agro-residual biomass and disposable protective face mask: a merger for converting waste to plastic-fiber fuel via an integrative carbonization-pelletization framework

Assessment of Quality Indicators of Pressed Biofuel Produced from Coarse Herbaceous Plants and Determination of the Influence of Moisture on the Properties of Pellets

Exploring the Potential of Perennial Nectar‐Producing Wild Plants for Pellet Combustion

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