SYNERGISTIC REGULATION MECHANISM OF GREENHOUSE GAS REDUCTION IN SAWDUST STORAGE AND PELLETIZATION BEHAVIOR

Xiao Yaqin; Tan Mengjiao; Li Hui; Yang Haiping; Li Changzhu; Lei Tingzhou

doi:10.19912/j.0254-0096.tynxb.2023-2162

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (4) : 636-644. DOI: 10.19912/j.0254-0096.tynxb.2023-2162

SYNERGISTIC REGULATION MECHANISM OF GREENHOUSE GAS REDUCTION IN SAWDUST STORAGE AND PELLETIZATION BEHAVIOR

Xiao Yaqin¹, Tan Mengjiao¹, Li Hui¹, Yang Haiping², Li Changzhu¹, Lei Tingzhou³

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Abstract

The effects of storage atmosphere and additives on greenhouse gas emissions, pelletization behavior, and pellets’ quality during the storage of sawdust are investigated to explore the synergistic control mechanism of greenhouse gas reduction and pelletization behavior during the storage of biomass. The results show that the ventilation condition （oxygen content） and additives have significant effects on the cumulative CO₂ emission during the storage of sawdust. The peak CO₂ emission of the oxidative group appears in the first 7 days of storage, while the anoxic groups have several emission peaks throughout the cycle. The cumulative CO₂ emission of the anoxic group is 106060.80 mg/kg after 30 days, which is 3.30 times that of the oxidative group. The cumulative CO₂ emission are decreased by 17.07%, 38.32%, and 17.73% after using Ca（OH）₂, MgCl₂, and mixed additives, respectively. Meanwhile, the additives can affect the pelletization behavior of sawdust, but adding MgCl₂ is not conducive to pelletization. Therefore, improving ventilation conditions and using Ca（OH）₂ additives can synergistically achieve greenhouse gas reduction, and improve pelletization behavior during storage.

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biomass / storage / additives / greenhouse gas emission / pallet / combustion characteristics

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Xiao Yaqin, Tan Mengjiao, Li Hui, Yang Haiping, Li Changzhu, Lei Tingzhou. SYNERGISTIC REGULATION MECHANISM OF GREENHOUSE GAS REDUCTION IN SAWDUST STORAGE AND PELLETIZATION BEHAVIOR[J]. Acta Energiae Solaris Sinica. 2025, 46(4): 636-644 https://doi.org/10.19912/j.0254-0096.tynxb.2023-2162

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