Abstract：
:To understand the synergetic effect of magnesium citrate (MC) and temperature on biomass pyrolysis, co-pyrolysis of lotus seedpod (LS) and MC was carried out in a fixed bed reactor. With the addition of MC, CO2 become the dominate composition in gas (55.83-90.75 vol%). And with temperature increasing, the main components in bio-oil converted from carboxylic acid to phenols and aromatics. Meanwhile, the mesoporous carbon was formed, with the BET specific surface area up to 514.66 m2/g, and pore diameter mainly focused at 3-8 nm. For the catalytic effect, the secondary cracking of pyrolytic volatiles (acetic acid and anhydrosugar) was inhibited, therefore the gas releasing was inhibited below 550 °C. However, at higher temperature, MgO catalysts favored the reduction of acids and deoxygenation via ketonization and aldol condensation reactions. The formed MgO as a template and the catalysis of MgO during co-pyrolysis contributed to the mesoporous structure of solid char.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Zhu D,Yang H,Chen Y,Chen X,Zou J,Zhang S,Chen Hdoi
10.1016/j.biortech.2020.123079subject
Has Abstractpub_date
2020-02-26 00:00:00pages
123079eissn
0960-8524issn
1873-2976pii
S0960-8524(20)30348-5journal_volume
305pub_type
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