Co-hydrothermal gasification of microbial sludge and algae Kappaphycus alvarezii for bio-hydrogen production: Study on aqueous phase reforming

被引：41
|
作者：
Jayaraman, Ramesh Sai [1 ]
Gopinath, Kannapan Panchamoorthy [1 ]
Arun, Jayaseelan [2 ]
Malolan, Rajagopal [1 ]
Adithya, Srikanth [1 ]
Ajay, Pattabhiraman Srinivaasan [1 ]
Sivaramakrishnan, Ramachandran [3 ]
Pugazhendhi, Arivalagan [4 ,5 ]
机构：
[1] SSN Coll Engn, Dept Chem Engn, Kalavakkam 603110, Tamil Nadu, India
[2] Sathyabama Inst Sci & Technol, Int Res Ctr, Ctr Waste Management, Chennai 600119, Tamil Nadu, India
[3] Chulalongkorn Univ, Fac Sci, Dept Biochem, Lab Cyanobacterial Biotechnol, Bangkok 10330, Thailand
[4] Maejo Univ, Sch Renewable Energy, Chiang Mai 50290, Thailand
[5] Asia Univ, Coll Med & Hlth Sci, Taichung, Taiwan
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2021年 / 46卷 / 31期
关键词：
Hydrothermal gasification; Macroalgae; Microbial sludge; Bio-hydrogen; Photo-catalytic reforming; Catalyst; WASTE-WATER TREATMENT; PROCESS PARAMETERS; SEWAGE-SLUDGE; BIOMASS; MICROALGAE; LIQUEFACTION; BIOHYDROGEN; PYROLYSIS; DIGESTION; BIOFUELS;
D O I：
10.1016/j.ijhydene.2021.02.038
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this study, wastewater obtained froma sewage treatment plant was treated successively by using microbial consortium and macroalgae Kappaphycus alvarezii to generate microbial sludge and algal biomass. The production of green fuel was carried out via co-gasification of microbial sludge and macroalgae Kappaphycus alvarezii for a duration of 60 min, feedstock to solvent ratio (5 to 20 g of feedstock in 200 mL), sludge to algae ratio (ranging from 1:1 to 3:1) and temperature (300-400 degrees C) respectively. Maximum bio-hydrogen yield was 36.1% and methane yield was 38.4% at a temperature of 360 degrees C at a feedstock to solvent ratio of 15:200 g/mL and sludge to algae ratio of 2:1 individually. The liquid by product of cogasification process was later subjected to photocatalytic reforming, resulted in an enhanced hydrogen composition of 61.25%. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：16555 / 16564
页数：10
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