Microwave co-torrefaction of waste oil and biomass pellets for simultaneous recovery of waste and co-firing fuel

Yek, Peter Nai Yuh; Chen, Xiangmeng; Peng, Wanxi; Liew, Rock Keey; Cheng, Chin Kui; Sonne, Christian; Sii, How Sing; Lam, Su Shiung

doi:10.1016/j.rser.2021.111699

Cited by 34 publications

(5 citation statements)

References 58 publications

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“…This radiation, when interacting with substances like water (H 2 O) due to their dielectric properties, results in the rapid rotation of molecules and the release of heat through molecular collisions. Microwave heating has gained widespread use in various fields over the past few decades, including applications such as biomass pyrolysis (Foong et al, 2020), fuel recovery (Yek et al, 2021), biochar production (Nguyen et al, 2021), dry reforming syngas production (Pham et al, 2020), oil extraction (Taheri-Shakib and Kantzas, 2021), environmental chemistry (Xia et al, 2022), and nanomaterial synthesis (Wojnarowicz et al, 2020). Regarding the synthesis of MOFs, microwave heating offers distinct advantages, including high production yields, short reaction durations, and rapid kinetics during crystal nucleation and growth (Zornoza et al, 2011).…”

Section: Microwave Irradiation Reactionsmentioning

confidence: 99%

Synthesis and application of Al trimesate-based metal-organic framework: a critical review

Zheng,

Chen,

Chen

et al. 2024

Front. Environ. Eng.

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This review comprehensively explores the synthesis and diverse applications of the Al trimesate-based metal-organic framework, MIL-96 (Al). It begins with an introduction to the structure and properties of MIL-96 (Al), followed by an in-depth discussion of various synthesis strategies, including hydrothermal, microwave irradiation, electrochemical, mechanochemical, and sonochemical methods. The paper then delves into environmental remediation applications, highlighting MIL-96 (Al)’s effectiveness in fluoride and heavy metal removal, as well as in the elimination of volatile organic compounds (VOCs) and CO2. The review further examines the role of MIL-96 (Al) in catalysis and its emerging significance in battery technology, showcasing its versatility and potential in sustainable energy solutions. Finally, the paper concludes with perspectives on future research directions, emphasizing the ongoing development and optimization of MIL-96 (Al) for environmental and energy-related applications.

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Section: Microwave Irradiation Reactionsmentioning

confidence: 99%

Synthesis and application of Al trimesate-based metal-organic framework: a critical review

Zheng,

Chen,

Chen

et al. 2024

Front. Environ. Eng.

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“…In addition, torrefaction using microwave has been suggested. Yek et al [ 19 ] reported that microwave heating for co-torrefaction of biomass pellets can be an economical approach to produce desirable/ pellet fuel from waste and biomass materials. Chen et al [ 20 ] reported that depending on the type of biomass being used, the optimal torrefaction process may vary.…”

Section: Introductionmentioning

confidence: 99%

Identification of differences and comparison of fuel characteristics of torrefied agro-byproducts under oxidative conditions

Park

Kim

et al. 2023

Heliyon

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“…Due to lower H/C and O/C ratios of torrefied biomass, the energy required for the initiation of combustion would be less. Co-torrefaction of waste empty fruit bunch pellets along with waste cooking oil was also demonstrated as a novel strategy to produce torrefied bio-coal pellets of superior heating value (18.5-26.6 MJ kg -1 ) and fixed carbon content (30-63 wt.%) [18,19].…”

Section: Introductionmentioning

confidence: 99%

“…To the best of the author's knowledge, studies on the torrefaction of pelletized rice straw using microwave-assisted heating are quite scarce in the available literature. Although studies are available on the pyrolysis of biomass pellets, they fail to capture the detailed energy analysis of the process [18,19]. Moreover, the studies on microwaveassisted torrefaction and pyrolysis are mostly limited to powdered biomass feedstocks [20].…”

Section: Introductionmentioning

confidence: 99%

Microwave‐assisted torrefaction and pyrolysis of rice straw pellets for bioenergy

Prashanth

Gurrala

Mohan

et al. 2022

IET Renewable Power Gen

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The highlights of this study involve the use of microwave heating for torrefaction and pyrolysis of pelletized rice straw for the generation of high‐quality bio‐char pellets, and thorough energy assessment of the process. The effects of microwave power and final temperature on the product yields and their quality were thoroughly assessed. At 600 W power, the bio‐char yield followed the trend: 33.7 wt.% (800°C) < 35.5 wt.% (600°C) < 55.6 wt.% (300°C). Bio‐char yield was unaffected by microwave power at the final temperature of 300°C. High yield of moisture (23.5 wt.%) with a minimal amount of bio‐oil (10.5 wt.%) and gases (10.7 wt.%) were obtained at 600 W and 300°C. The major functional groups in the bio‐oil were phenols (∼40%), cyclic oxygenates (∼16%), furan derivatives (∼20%) and aliphatic oxygenates (16%). Bio‐char obtained from torrefaction at 600 W and 300°C possessed a calorific value of 17.2 MJ/kg with limiting oxygen index of 36.7%, and power generation potential of 4.8 kWh/kg. Overall, microwave‐assisted torrefaction is shown to be a promising process intensification strategy to derive high‐quality bio‐char in a short time of 5–10 min with high process efficiency (51–56%) and comparable biomass conversion efficiency (∼83%) with respect to conventional pyrolysis.

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Microwave co-torrefaction of waste oil and biomass pellets for simultaneous recovery of waste and co-firing fuel

Cited by 34 publications

References 58 publications

Synthesis and application of Al trimesate-based metal-organic framework: a critical review

Synthesis and application of Al trimesate-based metal-organic framework: a critical review

Identification of differences and comparison of fuel characteristics of torrefied agro-byproducts under oxidative conditions

Microwave‐assisted torrefaction and pyrolysis of rice straw pellets for bioenergy

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