Hydrophilicity enhancement of low-temperature lignocellulosic biochar modified by physical–chemical techniques

Usevičiūtė, Luiza; Baltrėnaitė-Gedienė, Edita; Baltrėnas, Pranas

doi:10.1007/s10163-021-01255-y

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Physical-chemical Properties Of the Biocharges1

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2022

2023

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Cited by 5 publications

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“…The surface area was calculated form the adsorption isotherms using BET model. According to previous study (Usevičiūtė et al, 2021), for the steam-modified birch bark biochar, specific surface area reached 15.2 m 2 /g.…”

Section: Physical-chemical Properties Of the Biochargesmentioning

confidence: 57%

Acetone, Xylene and Ammonia Removal Enhancement in the Biofilter Packed With Steam Modified Biochar

Usevičiūtė

Baltrėnaitė-Gedienė

Baltrėnas

et al. 2022

Journal of Environmental Engineering and Landscape Management

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The present study evaluated short-time effect of steam modified biochar with rhamnolipid solution on the removal of different volatile organic and inorganic compounds (acetone, xylene, ammonia) in biofilter with capillary system. Modification of pine wood biochar with steam governed better treatment of pollar acetone and ammonia compounds from the air stream with removal efficiencies of 93% and 96%, respectively. It was related to biochar’s higher average capillary radius, moisture content and lower air velocity. However, removal of xylene was much lower and reached 72% in the case of modified biochar. It can be explained by its higher Henry’s constant, hydrophobicity and non-polarity.

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Section: Physical-chemical Properties Of the Biochargesmentioning

confidence: 57%