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  • Title: Characteristics and potential values of bio-oil, syngas and biochar derived from Salsola collina Pall. in a fixed bed slow pyrolysis system.
    Author: Yue Y, Lin Q, Irfan M, Chen Q, Zhao X.
    Journal: Bioresour Technol; 2016 Nov; 220():378-383. PubMed ID: 27595703.
    Abstract:
    Salsola collina Pall. as a typical euhalophyte was slowly pyrolyzed at 300°C, 500°C and 700°C in a fixed-bed system. The physiochemical properties of syngas, bio-oil and biochar were assayed to understand the impact of pyrolysis temperature on these parameters and then to evaluate their potential values. The results showed that syngas yield (26.07-46.37%) increased with pyrolysis temperature, while biochar yield (47.54-26.83%) decreased. Bio-oil yield (26-30%) was hardly affected by pyrolysis temperature. Both syngas and bio-oil had poor values as direct fuel. The euhalophyte-derived biochar had higher aromaticity (H/C 0.16-0.85, O/C 0.06-0.26), higher cation exchange capacity (198.82-435.74cmolkg(-1)), and higher K(+) (59.35-80.42gkg(-1)) and Na(+) (37.56-53.26gkg(-1)) compared with glycophyte-derived biochars. Our findings imply that halophyte biochar may be more suitable to use as a soil conditioner, which is worthy of further study.
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