Development of biochar-based nanocatalysts for tar cracking/reforming during biomass pyrolysis and gasification

Guo, Feiqiang; Jia, Xiaopeng; Liang, Shuang; Zhou, Nan; Chen, Paul; Ruan, Roger

doi:10.1016/j.biortech.2019.122263

Cited by 122 publications

(27 citation statements)

References 104 publications

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“…The char produced from pyrolysis of biomass has a sufficient porous structure with a high surface area which can act as excellent support for loading micro/nano metal particles that can be prepared using mechanical mixing [295]. [198].…”

Section: Char (Carbon)-supported Catalystsmentioning

confidence: 99%

Catalysts and their role in biomass gasification and tar abetment: a review

Narnaware

Panwar

2021

Biomass Conv. Bioref.

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Biomass gasification is a promising technology for the transformation of biomass into a gaseous product. However, it suffers from a major drawback of tar generation which affects the downstream application and operation to a larger extent becoming a big hurdle in the commercialization of the technology. Catalytic tar reduction by using a different catalyst as the in situ mode or as a secondary catalyst is an attractive technique to achieve a clean and tar-free gaseous product. Besides this, catalysts are used for altering the gas distribution as per the requirement for a specific application like FT synthesis or methanol synthesis. However, few shortcomings persist in using a different type of catalyst and their economic viability; there is a need to develop low cost and effective catalysts. The present paper provides a review on the role of catalysts in biomass gasification and tar reduction, and different catalysts used in biomass gasification. The paper discusses the challenges and prospects for developing the novel catalyst.

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Section: Char (Carbon)-supported Catalystsmentioning

confidence: 99%

Catalysts and their role in biomass gasification and tar abetment: a review

Narnaware

Panwar

2021

Biomass Conv. Bioref.

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“…found that biochar could accelerate PAHs biodegradation and promote the decontamination process of PAHs‐contaminated soil 100 . Biochar not only can catalyze biomass dehydration and isomerization, but also be as catalyst for tar reforming and remove the tar such as alkali metals, dolomite and calcined rocks 101 . During fuel gas production, tar is one the inevitable byproducts during gasification and pyrolysis.…”

Section: Heterogeneous Catalytic Systemmentioning

confidence: 99%

“…Biochar‐based catalysts for biorefinery have been investigated widely recently. There are still many challenges such as efficiency and stability, which need further research 101 …”

Section: Heterogeneous Catalytic Systemmentioning

confidence: 99%

Catalytic valorization of lignocellulosics: from bulk biofuels to value‐added chemicals

Zhang

Yu²,

Sheng

et al. 2021

Biofuels Bioprod Bioref

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Lignocellulose is a key starting material for the production of biofuels, biochemicals, and biomaterials. This review discusses various catalytic systems, including homogeneous and heterogeneous catalytic systems, for biomass valorization. Different strategies of biomass‐derived catalyst systems for value‐added chemicals are evaluated. Novel strategies for using biomass‐derived carbon‐based catalysts are proposed as a potential way to make the valorization process economically viable. This review also provides a comprehensive assessment of the fabrication of biomass‐derived carbon as catalytic support for biorefinery applications and discussion about mechanism of the synergistic catalytic effect between the biochar and catalyst. © 2021 Society of Chemical Industry and John Wiley & Sons, Ltd

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“…[145,146] A biochar-based nanocatalyst was also developed to eliminate the tar accumulation and clogging problems related to pyrolysis and gasification. A summary review of recent development on biochar-based nanocatalysts can be found in the study by Guo et al [147] Some efforts were put into the study of the integration of biomass pyrolysis into gasification. It was discovered that the integration process was sustainable as it enhanced syngas production, though the effect of the integration is not noticeable on the liquid yield.…”

Section: Pyrolysis and Gasificationmentioning

confidence: 99%

Generation of Sustainable Energy from Agro‐Residues through Thermal Pretreatment for Developing Nations: A Review

Ibitoye

Jen

Mahamood

et al. 2021

Adv Energy and Sustain Res

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Energy is a prerequisite for any nation's industrial, social, and economic advancements. [1][2][3][4] Energy can broadly be categorized into renewable and nonrenewable energies. Nonrenewable energies are energy that cannot be replenished over a short period. Examples of such energy are coal, nuclear energy, natural gas, and crude oil. Renewable energies, in contrast, are those energies that are replenishable over a short period. This form of energy includes solar, hydro, tidal, wind, biomass energy, etc. Biomass energy is the energy generated from biomass materials. Biomass material could be woody (such as teak, mahogany), nonwoody (such as agro-residues, industrial waste), and animal materials. [5] Agroresidues are described as all organic materials that are generated as byproducts from agricultural activities. These byproducts constitute the main part of biomass feedstock's total annual production, which forms an essential and sustainable source of energy for industrial and domestic applications. [6] They are material that are of benefit to humankind, though their economic benefits are less than the cost of transformation for advantageous use. [7] Agro-residues can be divided into residues generated on the field and residues generated during the processing of agricultural products. [8] Field-based residues include but are not limited to tobacco stalks, maize stalks, sugar cane tops, rice straw, soybean straw/pods, and cocoa pods. In contrast, process-based include peanuts shell, rice husk, maize cob, bagasse, and coffee husk. Agro-residues are available in large quantities in an area with a high level of agricultural activities. [9] In developing nations, major agricultural activities are recorded in the rural areas, resulting in a larger quantity of agro-residues in these areas. [10,11] Most of the time, the farmers in developing nations' dump these residues in an open field or

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Development of biochar-based nanocatalysts for tar cracking/reforming during biomass pyrolysis and gasification

Cited by 122 publications

References 104 publications

Catalysts and their role in biomass gasification and tar abetment: a review

Catalysts and their role in biomass gasification and tar abetment: a review

Catalytic valorization of lignocellulosics: from bulk biofuels to value‐added chemicals

Generation of Sustainable Energy from Agro‐Residues through Thermal Pretreatment for Developing Nations: A Review

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