Biochar: From by-products of agro-industrial lignocellulosic waste to tailored carbon-based catalysts for biomass thermochemical conversions

Zou, Rongge; Qian, Moriko; Wang, Chenxi; Mateo, Wendy; Ruan, Roger; Dai, Leilei; Lin, Xiaona; Zhao, Yunfeng; Huo, Erguang; Wang, Lu; Zhang, Xuesong; Kong, Xiao; Ruan, Roger; Lei, Hanwu

doi:10.1016/j.cej.2022.135972

Cited by 103 publications

(29 citation statements)

References 148 publications

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“…In addition to oxidation and gasication, recent studies have introduced pyrolysis using an inert gas as well as hydrocracking using hydrogen or alkanes. 130 As mentioned earlier, coke oxidation is an exothermic reaction, and it directly affects catalyst properties at high temperatures. Reduction in temperature is highly desired during coke oxidation to avoid catalyst thermal damage.…”

Section: Catalyst Regeneration Methodsmentioning

confidence: 94%

“…Catalysts help to decrease the required temperature and time for the biomass gasication process for efficient production of high-quality syngas (or producer gas). There are several excellent reviews 27,65,70,75,[125][126][127][128][129][130] and experimental research published on the various catalysts used in biomass gasication. 126,[131][132][133][134][135][136][137][138][139][140][141][142] Biomass gasication catalysts are considered successful if they can lower the required activation energy for gasication reactions to achieve high carbon conversions that positively inuence the gasication process.…”

Section: Catalytic Systems For Tar Reduction and Elimination During B...mentioning

confidence: 99%

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A review of the thermochemistries of biomass gasification and utilisation of gas products

Alves

Onwudili

Ghorbannezhad

et al. 2023

Sustainable Energy Fuels

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Section: Catalyst Regeneration Methodsmentioning

confidence: 94%

Section: Catalytic Systems For Tar Reduction and Elimination During B...mentioning

confidence: 99%

A review of the thermochemistries of biomass gasification and utilisation of gas products

Alves

Onwudili

Ghorbannezhad

et al. 2023

Sustainable Energy Fuels

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“…Biochar as a renewable material possesses porous structures and abundant functional groups. Due to its unique properties, it shows great potential in catalytic reforming for tar removal, bio-oil upgrading, and micromolecular pollutants removal in syngas during the pyrolysis/gasification process. , Gholizadeh et al investigated biochar-assisted catalytic pyrolysis of waste tires and polyethylene that exhibited varied effects on cracking and polymerization . Huang et al reported a ZnCl 2 -activated biochar for pyrolysis of waste plastics that could facilitate aromatics generation due to the increased surface Lewis acidity .…”

Section: Introductionmentioning

confidence: 99%

Biochar-Assisted Catalytic Pyrolysis of Oily Sludge to Attain Harmless Disposal and Residue Utilization for Soil Reclamation

Lin

et al. 2023

Environ. Sci. Technol.

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Pyrolysis of oily sludge (OS) is a feasible technology to match the principle of reduction and recycling; however, it is difficult to confirm the feasible environmental destination and meet the corresponding requirements. Therefore, an integrated strategy of biochar-assisted catalytic pyrolysis (BCP) of OS and residue utilization for soil reclamation is investigated in this study. During the catalytic pyrolysis process, biochar as a catalyst intensifies the removal of recalcitrant petroleum hydrocarbons at the expense of liquid product yield. Concurrently, biochar as an adsorbent can inhibit the release of micromolecular gaseous pollutants (e.g. HCN, H 2 S, and HCl) and stabilize heavy metals. Due to the assistance of biochar, pyrolysis reactions of OS are more likely to occur and require a lower temperature to achieve the same situation. During the soil reclamation process, the obtained residue as a soil amendment can not only provide a carbon source and mineral nutrients but can also improve the abundance and diversity of microbial communities. Thus, it facilitates the plant germination and the secondary removal of petroleum hydrocarbons. The integrated strategy of BCP of OS and residue utilization for soil reclamation is a promising management strategy, which is expected to realize the coordinated and benign disposal of more than one waste.

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“…[5][6][7] The processes performed to convert biomass into biochar are different and the most used are thermochemical processes: pyrolysis, torrefaction, hydrothermal treatment, gasification. [8][9][10] The porous structure and other properties of biochar, such as carbon stability and large surface area, provide the ability to adsorb pollutants from water and potentially soil sequestration. 11 Compared to existing wastewater treatment technologies (e.g., chlorination, sand filtration, solar disinfection, etc.)…”

Section: Introductionmentioning

confidence: 99%

Thermokinetics of production of biochar from crop residues: an overview

et al. 2022

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Biochar: From by-products of agro-industrial lignocellulosic waste to tailored carbon-based catalysts for biomass thermochemical conversions

Cited by 103 publications

References 148 publications

A review of the thermochemistries of biomass gasification and utilisation of gas products

A review of the thermochemistries of biomass gasification and utilisation of gas products

Biochar-Assisted Catalytic Pyrolysis of Oily Sludge to Attain Harmless Disposal and Residue Utilization for Soil Reclamation

Thermokinetics of production of biochar from crop residues: an overview

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