Co-hydrothermal liquefaction of phumdi and paragrass an aquatic biomass: Characterization of bio-oil, aqueous fraction and solid residue

被引：18

作者：

Biswas, Bijoy ^{[1
,2
]}

Sahoo, Dinabandhu ^{[3
]}

Sukumaran, Rajeev K. ^{[4
]}

Krishna, Bhavya B. ^{[1
,2
]}

Kumar, Jitendra ^{[1
]}

Reddy, Yenumala Sudhakara ^{[1
,2
]}

Adarsh, Velayudhanpillai Prasannakumari ^{[4
]}

Puthiyamadam, Anoop ^{[4
]}

Mallapureddy, Kiran Kumar ^{[4
]}

Ummalyma, Sabeela Beevi ^{[5
]}

Bhaskar, Thallada ^{[1
,2
]}

机构：

[1] Indian Inst Petr, Mat Resource Efficiency Div MRED, Thermo catalyt Proc Area TPA, CSIR, Dehra Dun 248005, India

[2] Acad Sci & Innovat Res AcSIR, Chennai, India

[3] Univ Delhi, Dept Bot, Delhi 110007, India

[4] Natl Inst Interdisciplinary Sci & Technol, Microbial Proc & Technol Div MPTD, Biofuels & Biorefineries Sect, CSIR, Thiruvananthapuram 695019, India

[5] Inst Bioresources & Sustainable Dev, Dept Biotechnol, Govt India, Imphal 795001, India

来源：

JOURNAL OF THE ENERGY INSTITUTE | 2022年 / 102卷

关键词：

Aquatic biomass; Co-hydrothermal liquefaction; Solvents effect; Bio-oil; Compounds distribution; MICROALGAE; POLYSACCHARIDES; PYROLYSIS; STRAINS; SYSTEM; WASTE;

D O I：

10.1016/j.joei.2022.03.013

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Hydrothermal liquefaction (HTL) of wet aquatic biomasses namely, Paragrass (PG) and Phumdi (PH) and a mixture of PG-PH were examined. Different reaction parameters such as temperature (260-300 C) and solvents (water, ethanol, and methanol) were screened to optimize the products distribution. Maximum bio-oil yield (13.82 wt%) was observed for PG under water solvent. In case of mixture of biomass (PG-PH), maximum bio-oil yield (11.66 wt%) was observed with ethanol solvent. In case of PH biomass, maximum conversion of 98.4 wt% was found with water solvent at 300 C. Individual liquefaction of PH and PG biomass majorly produced ester compounds (49.21 and 52.58%, respectively) in the presence of ethanol as solvent. Co-liquefaction bio-oil consisted of phenolic compounds (67.49%) with ethanol as solvent followed by 50.84% in water and 49.59% in methanol. In water solvent, PH biomass showed higher carbon conversion efficiency (69.8%). The PG-PH hydrothermal liquefaction derived aqueous fraction showed significantly higher (57000 mg/L) organic carbon. Obvious difference in the product yields and compounds formed during liquefaction reaction is ascribed to the distinct effect of solvents and temperatures on biomass macromolecular breakdown.

引用

页码：247 / 255

页数：9

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