Effects of reaction temperature and reaction time on the hydrothermal liquefaction of demineralized wastewater algal biomass

被引：0
作者：
Carpio R.B. [1 ,2 ,3 ]
Zhang Y. [3 ]
Kuo C.-T. [3 ]
Chen W.-T. [3 ,5 ]
Schideman L.C. [4 ]
de Leon R. [2 ]
机构：
[1] Department of Chemical Engineering, University of the Philippines Los Baños, College, 4031, Laguna
[2] Department of Chemical Engineering, University of the Philippines Diliman, Quezon City
[3] Department of Agricultural and Biological Engineering, University of Illinois at Urbana-Champaign, Urbana, 61801, IL
[4] Illinois Sustainable Technology Center, University of Illinois at Urbana-Champaign, Urbana, 61801, IL
[5] Department of Plastics Engineering, University of Massachusetts Lowell, Lowell, 01854, MA
来源：
Bioresource Technology Reports | 2021年 / 14卷
关键词：
Demineralized biomass; Hydrothermal liquefaction; Reaction temperature; Reaction time; Wastewater algal biomass;
D O I：
10.1016/j.biteb.2021.100679
中图分类号：
学科分类号：
摘要：
Hydrothermal liquefaction (HTL) of demineralized wastewater algal biomass was studied under different reaction temperatures (260–320 °C) and time (0–90 min). A moderate reaction condition (280 °C, 60 min) was found sufficient to produce the highest oil yield (~26% daf). Analysis of this oil showed a potential distillation recovery of 71% at 400 °C (mostly in the jet fuel to fuel oil range). All oils obtained have a comparable HHV (35.20–36.76 MJ/Kg) similar to tar (36 MJ/kg). GC–MS analysis showed that the oils derived are comparable, except at extreme reaction conditions (320 °C, 60 min) where a better fuel component in terms of hydrocarbons and N&O-heterocyclic compounds was achieved. The energy consumption ratio (ECR) of oils from demineralized biomass (0.37–0.45) is 80–120% lower compared to that of untreated biomass (ECR = 0.85) at 300 °C and 60 min. © 2021 Elsevier Ltd
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