Fermentative hydrogen production from macroalgae Laminaria japonica pretreated by microwave irradiation |
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| Affiliation: | 1. Tsinghua University – Zhang Jiagang Joint Institute for Hydrogen Energy and Lithium-Ion Battery Technology, INET, Tsinghua University, Beijing 100084, PR China;2. Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing 100084, PR China;3. Beijing Key Laboratory of Radioactive Waste Treatment, INET, Tsinghua University, Beijing 100084, PR China;1. Department of Civil Engineering, Regional Centre of Anna University, Tirunelveli, India;2. Sino-Forest Applied Research Centre for Pearl River Delta Environment, Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region;3. College of Marine and Environmental Science, James Cook University, Townsville, Queensland, Australia;4. Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, India;1. Department of Civil Engineering, Anna University Regional Campus, Tirunelveli, India;2. Department of Civil Engineering, Anna University, Chennai, India;3. Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, PR China;1. Department of Life Sciences, Central University of Tamil Nadu, CUTN Bridge, Neelakudy, Tamil Nadu 610005, India;2. Department of Civil Engineering, Anna University Regional Campus Tirunelveli, India;3. Green Processing, Bioremediation and Alternative Energies Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam;1. School of Civil and Environmental Engineering, Yonsei University, Seoul 03722, Republic of Korea;2. Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Mauritius, Réduit 80837, Mauritius;3. Innovative Green Product Synthesis and Renewable Environment Development Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam;4. Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Ilsandong-gu, Goyang-si, Gyeonggi-do 10326, Republic of Korea;5. School of Civil, Environmental and Architectural Engineering, Korea University, Anam-Dong, Seongbuk-gu, Seoul 02841, Republic of Korea;6. Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL 60208, USA;7. Department of Food Science and Biotechnology, Dongguk University-Seoul, Ilsandong-gu, Goyang-si, Gyeonggi-do 10326, Republic of Korea;8. Green Processing, Bioremediation and Alternative Energies Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam |
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| Abstract: | Pretreatment is an essential procedure to enhance the biodegradability when algae biomass is used as substrate for fermentative hydrogen production, In this study the potential of microwave pretreatment for enhancing the hydrogen production from macroalgae biomass Laminaria japonica was investigated. Microwave pretreatment at different temperatures (100–180 °C, 30 min) was explored, algae biomass disruption increased with increasing temperature, while highest hydrogen yield of 15.8 mL/g TSadded was obtained from 160 °C microwave treated algae biomass. Hydrogen production can be indicated by the dehydrogenase activity. After the microwave treatment, hydrogen production process altered from butyrate-type to acetate-type fermentation. Maximum hydrogen yield was enhanced by 1.9 fold compared with the control test. Indicating microwave treatment can be a good candidate in enhancing the hydrogen production from macroalgae biomass. |
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| Keywords: | Biohydrogen Macroalgae Microwave Pretreatment |
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