Accelerating the production of bio-oil from hydrothermal liquefaction of microalgae via recycled biochar-supported catalysts

被引：41
|
作者：
Kandasamy, Sabariswaran [1 ]
Devarayan, Kesavan [3 ]
Bhuvanendran, Narayanamoorthy [1 ]
Zhang, Bo [1 ]
He, Zhixia [1 ,2 ]
Narayanan, Mathiyazhagan [4 ]
Mathimani, Thangavel [5 ]
Ravichandran, Sabarinathan [1 ]
Pugazhendhi, Arivalagan [6 ,7 ]
机构：
[1] Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Jiangsu Univ, Sch Energy & Power Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[3] Tamil Nadu Dr J Jayalalithaa Fisheries Univ, Coll Fisheries Engn, Dept Basic Sci, Nagapattinam 611002, India
[4] MGR Coll, PG & Res Ctr Biotechnol, Hosur, Krishnagiri, India
[5] Natl Inst Technol, Dept Energy & Environm, Tiruchirappalli 620015, Tamil Nadu, India
[6] Ton Duc Thang Univ, Fac Environm & Labour Safety, Innovat Green Prod Synth & Renewable Environm Dev, Ho Chi Minh City, Vietnam
[7] Asia Univ, Coll Med & Hlth Sci, Taichung, Taiwan
来源：
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING | 2021年 / 9卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Spirulina platensis; Nanocomposite; In situ catalytic HTL; Ex situ catalytic HTL; Biochar catalytic HTL; Bio-oil; CERIUM OXIDE NANOPARTICLES; CHLORELLA-PYRENOIDOSA; SPIRULINA-PLATENSIS; BIOMASS WASTE; PYROLYSIS; TEMPERATURE; PARAMETER; BIOCRUDE; ETHANOL;
D O I：
10.1016/j.jece.2021.105321
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
As a highly effective nanocomposite for hydrothermal liquefaction (HTL) of microalgae, the recycled biochar synthesized from Spirulina platensis and impregnated into CeO2 has been demonstrated. The order of in situ > ex situ > biochar nanocomposites for higher bio-oil. The highest bio-oil conversion of 33% was achieved at the optimum temperature of 250 degrees C. The use of the biochar nanocomposite also resulted in a decrease in the oxygen and nitrogen content of the bio-oil and an increase in its heating value, which was found to be high at 35.64 MJ/kg. With the inclusion of the in situ biochar nanocomposite, energy recovery was increased by up to 65.34%. The current study has shown that low biochar nanocomposite concentrations (0.20 g), low temperature (250 degrees C), and short residence time (30 min) are essential for improved bio-oil yield and quality of bio-oil.
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页数：15
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