Study on the bio-oil characterization and heavy metals distribution during the aqueous phase recycling in the hydrothermal liquefaction of As-enriched Pteris vittata L.
Study on the bio-oil characterization and heavy metals distribution during the aqueous phase recycling in the hydrothermal liquefaction of As-enriched Pteris vittata L.
复制标题
富砷凤尾蕨水热液化水相循环过程中生物油表征及重金属分布研究。
DOI：
10.1016/j.biortech.2020.124031
复制
发表时间：
2020-08
影响因子：
11.4
通讯作者：
Yang Weiran
中科院分区：
文献类型：
--
作者：
Jiang Haiwei;Fan Liangliang;Cai Chang;Hu Ying;Zhao Fenghua;Ruan Roger;Yang Weiran
以回收的水相为反应介质，对富含As的Pteris vittata L.（PVL，超富集生物质）进行水热液化（HTL），旨在处理高含水量的生物质，生产高质量的生物油。经过3次275℃、30min的水相回收后，生物油收率从21.54%提高到30.32%，且生物油的较高热值（HHV，28.51 MJ/kg）高于纯水HTL的生物油（26.80 MJ/kg）。生物油中检测到的主要化合物是酚类、酮类、烃类和醛类。乙酸 (17.21-24.77 mg/mL) 在水相中占主导地位，导致 pH 值较低 (4.31-4.89)。重金属（Cu、Pb、Zn、Cd）主要保留在生物炭中，而As则转移到水相中。因此，通过水相回收的HTL可能是PVL处理以获得高质量生物油和砷回收的有前途的方法。
The hydrothermal liquefaction (HTL) of As enriched Pteris vittata L. (PVL, hyper-accumulator biomass) was performed with the recycled aqueous phase as reaction medium, aiming to dispose the biomass with high water content and produce high-quality bio-oil. After three times of aqueous phase recycling at 275 degrees C, 30 min, the biooil yield increased to 30.32% from 21.54% and the higher heating value (HHV, 28.51 MJ/kg) of the bio-oil was higher than that of the bio-oil from HTL with pure water (26.80 MJ/kg). The main compounds detected in biooils were phenols, ketones, hydrocarbons, and aldehydes. Acetic acid (17.21-24.77 mg/mL) was dominant in the aqueous phases, resulting in the low pH (4.31-4.89). The heavy metals (Cu, Pb, Zn, Cd) mainly remained in biochar whereas As was transferred to aqueous phase. Thus, HTL by aqueous phase recycling could be a promising way for PVL treatment to obtain high-quality bio-oil and arsenic recovery.
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DOI：
10.1088/1755-1315/146/1/012069
发表时间：
2018-05
期刊：
IOP Conference Series: Earth and Environmental Science
影响因子：
--
作者：
Shiyi Sun;Songlin Zhang;Weiwei Zhang;Jiadong Meng;Lei Wang
通讯作者：
Shiyi Sun;Songlin Zhang;Weiwei Zhang;Jiadong Meng;Lei Wang
大麦秸秆水热液化制生物原油：反应温度和水相再循环的影响
影响因子：
11.2
作者：
Zhe Zhu;Lasse Rosendahl;Saqib Sohail Toor;Donghong Yu;Guanyi Chen
通讯作者：
Guanyi Chen
影响因子：
6
作者：
M. Wilk;A. Magdziarz;K. Jayaraman;M. Szymańska-Chargot;I. Gökalp
通讯作者：
M. Wilk;A. Magdziarz;K. Jayaraman;M. Szymańska-Chargot;I. Gökalp
影响因子：
11.4
作者：
Chen, Xinfei;Peng, Xiaowei;Wang, Jingjing
通讯作者：
Wang, Jingjing
影响因子：
3.1
作者：
Srokol, Z;Bouche, AG;Peters, JA
通讯作者：
Peters, JA