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Wang Y, Chang BP, Veksha A, Kashcheev A, Tok ALY, Lipik V, Yoshiie R, Ueki Y, Naruse I, Lisak G. Processing plastic waste via pyrolysis-thermolysis into hydrogen and solid carbon additive to ethylene-vinyl acetate foam for cushioning applications. JOURNAL OF HAZARDOUS MATERIALS 2024; 464:132996. [PMID: 37988865 DOI: 10.1016/j.jhazmat.2023.132996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 11/04/2023] [Accepted: 11/10/2023] [Indexed: 11/23/2023]
Abstract
A strategy for enhancing value creation from pyrolysis gas and oil, derived from plastic waste, through the generation of two additional outputs of solid carbon and hydrogen was investigated. Three types of hard-to-recycle plastic waste (marine plastic litter, household mixed plastics and cosmetic products packaging) were thermally treated in two stages: (i) decomposition of feedstock into gas and oil via pyrolysis at 600 °C; and (ii) thermolytic conversion of the pyrolysis gas and a fraction of oil into hydrogen and solid carbon at 1300 °C separately. The thermolysis of both pyrolysis gas and oil fractions predominantly resulted in the production of solid carbon (39-70 wt% per plastic feedstock and carbon content of 91.3-98.6 wt%) and H2-rich gas (H2 yield of 5.9-10.8 wt% per plastic waste feedstock and H2 content of 71.4-97.2 vol% per gas volume). The incorporation of pyrolysis oil into the thermolysis process could enhance the outputs of solid carbon and hydrogen. Characterizations of solid carbon and hydrogen obtained from pyrolysis gas and oil fractions were further conducted. The observed similar properties of H2 and solid carbon from pyrolysis gas and oil supported the feasibility of introducing all the pyrolytic products together into the thermolysis process without condensation of oil. To enhance the value of these solid carbon derived from plastics for practical usage, we utilized the obtained solid carbon as a reinforcing agent for polymer composite foam development. The solid carbon reinforced composite foam displayed great abrasion resistance (wear loss: 240 mg), compression strength (0.347 MPa), and dynamic impact properties (energy returned: 124 J/m and energy absorbed: 57.3 J/m), emphasizing the viability of solid carbon as a nucleating agent and reinforcing filler in polymer foam for cushioning applications. Overall, the strategy of pyrolysis-thermolysis, which harnesses both pyrolysis gas and oil, unlocks additional value creation by producing two new outputs from plastic waste. Depending on the market prices for solid carbon and hydrogen, this can substantially change the economics of plastic waste management and create new revenue streams, incentivizing plastic waste collection and processing.
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Affiliation(s)
- Yuxin Wang
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 637141, Singapore; Department of Mechanical Systems Engineering, Nagoya University, Tokai National Higher Education and Research, 464-8603, Japan
| | - Boon Peng Chang
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Andrei Veksha
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 637141, Singapore
| | - Aleksandr Kashcheev
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Alfred Ling Yoong Tok
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Vitali Lipik
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Ryo Yoshiie
- Department of Mechanical Systems Engineering, Nagoya University, Tokai National Higher Education and Research, 464-8603, Japan
| | - Yasuaki Ueki
- Institute of Materials and Systems for Sustainability, Nagoya University, Tokai National Higher Education and Research, 464-8601, Japan
| | - Ichiro Naruse
- Institute of Materials and Systems for Sustainability, Nagoya University, Tokai National Higher Education and Research, 464-8601, Japan
| | - Grzegorz Lisak
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.
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Yim H, Valizadeh S, Park YK. Hydrogen production from hazardous petroleum sludge gasification over nickel-loaded porous ZSM-5 and Al 2O 3 catalysts under air condition. ENVIRONMENTAL RESEARCH 2023; 225:115586. [PMID: 36858303 DOI: 10.1016/j.envres.2023.115586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/15/2023] [Accepted: 02/25/2023] [Indexed: 06/18/2023]
Abstract
In this study, the potential of petroleum sludge (PS) for hydrogen production via the gasification process was evaluated. For this purpose, nickel (Ni)-loaded ZSM-5 and γ-Al2O3 (Ni-ZS and Ni-Al) catalysts were prepared and employed for PS gasification in air condition. The effects of different supports, Ni loading content, and reaction temperatures on the production of hydrogen-rich syngas along with the stability and reusability of the best catalyst were investigated. Applying 5%Ni-ZS obtained more gas yield (68.09 wt%) and hydrogen selectivity (25.04 vol%) compared to those obtained by 5%Ni-Al mostly owing to weak metal-support interactions which led to the dominance of well-dispersed metallic Ni. At various Ni loading percentages, 10%Ni-ZS showed the highest catalytic efficiency, which increased both gas yield (70.92 wt%) and hydrogen selectivity (30.74 vol%). However, excessive Ni content (especially 20%) significantly reduced the gas yield and hydrogen selectivity because of limited accessibility of support's active sites, poor dispersion of Ni, and inappropriate acidity. Increasing the temperature promoted the gas yield and produced hydrogen, where the highest gas yield (73.18 wt%) and hydrogen selectivity (33.15 vol%) were obtained at 850 °C due to the endothermic nature of gasification reactions. The 10%Ni-ZS catalyst showed proper stability during three consecutive experiments at 850 °C. The spent catalyst was successfully regenerated without a significant reduction in activity or selectivity.
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Affiliation(s)
- Hoesuk Yim
- School of Environmental Engineering, University of Seoul, Seoul, 02504, South Korea
| | - Soheil Valizadeh
- School of Environmental Engineering, University of Seoul, Seoul, 02504, South Korea
| | - Y-K Park
- School of Environmental Engineering, University of Seoul, Seoul, 02504, South Korea.
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Kong G, Wang K, Zhang X, Li J, Han L, Zhang X. Torrefaction/carbonization-enhanced gasification-steam reforming of biomass for promoting hydrogen-enriched syngas production and tar elimination over gasification biochars. BIORESOURCE TECHNOLOGY 2022; 363:127960. [PMID: 36113820 DOI: 10.1016/j.biortech.2022.127960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 06/15/2023]
Abstract
Biomass to H2-enriched syngas is a very promising route to produce clean energy. This work proposed a new concept of promoting H2-enriched syngas production and tar elimination through torrefaction/carbonization-enhanced gasification-steam reforming (T/CEGSR) of wheat straw (WS) over its gasification biochar materials (GCMs). WS torrefied at 280 °C (WS-280) subjected to gasification-steam reforming (GSR) over C-control presented the maximum gas yields and H2/CO molar ratio (1.72). By introducing C[10 %O2] for GSR of WS-280, the maximum cumulative gas yield (112.10 mmol/greactants), H2 yield (59.91 mmol/greactants), and syngas yield (94.10 mmol/greactants) were achieved. Furthermore, C[10 %O2] were superior to C-control, C[Ar] and C[CO2] in light of carbon conversion efficiency, cold gas efficiency, and tar yield, reaching 97.45C%, 118.40 %, and 3.36 g/Nm3, respectively. Simply put, this study provides a newly sustainable and promising route by combining biomass torrefaction/carbonization with GSR using gasification biochar for enhancing H2-enriched syngas production while reducing tar formation.
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Affiliation(s)
- Ge Kong
- Engineering Laboratory for AgroBiomass Recycling & Valorizing, College of Engineering, China Agricultural University, Beijing 100083, China
| | - Kejie Wang
- Engineering Laboratory for AgroBiomass Recycling & Valorizing, College of Engineering, China Agricultural University, Beijing 100083, China
| | - Xin Zhang
- Engineering Laboratory for AgroBiomass Recycling & Valorizing, College of Engineering, China Agricultural University, Beijing 100083, China
| | - Jing Li
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China
| | - Lujia Han
- Engineering Laboratory for AgroBiomass Recycling & Valorizing, College of Engineering, China Agricultural University, Beijing 100083, China
| | - Xuesong Zhang
- Engineering Laboratory for AgroBiomass Recycling & Valorizing, College of Engineering, China Agricultural University, Beijing 100083, China.
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Prasad Reddy Kannapu H, Pyo S, Shiung Lam S, Jae J, Hoon Rhee G, Ali Khan M, Jeon BH, Park YK. MgO-modified activated biochar for biojet fuels from pyrolysis of sawdust on a simple tandem micro-pyrolyzer. BIORESOURCE TECHNOLOGY 2022; 359:127500. [PMID: 35724913 DOI: 10.1016/j.biortech.2022.127500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 06/13/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
The aim of this work was to study on MgO-modified KOH activated biochar (AC) catalysts, in the pyrolysis of sawdust for the direct production of bio-jet fuels using a tandem micro-pyrolyzer. AC catalysts with various MgO contents (5 to 20 wt%) were synthesized using an impregnation method. The mesopores generated (4 to 18 nm) in the carbon has a great potential in the conversion of oxygenated to jet fuel. The importance of basic nature in the catalysts is demonstrated with the maximum bio-jet fuel yield of 29 % at 10 % MgO. Further, the temperature of 600 °C and a catalyst/sawdust ratio of 10 are identified as the optimal conditions. The nanosize of MgO and the synergism of acid and base sites seemed to enhance deoxygenation, via decarboxylation and decarbonylation, and oligomerization, which are required for jet fuel formation in high amounts from sawdust pyrolysis.
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Affiliation(s)
| | - Sumin Pyo
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Jungho Jae
- School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Gwang Hoon Rhee
- Department of Mechanical and Information Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea.
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Moogi S, Lee J, Rhee GH, Jae J, Kim DH, Jung SC, Chen WH, Park YK. The effect of NaOH treatment of rice husk on its catalytic fast pyrolysis under decomposed methane for the production of aromatics. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Farooq A, Shiung Lam S, Hoon Rhee G, Lee J, Ali Khan M, Jeon BH, Park YK. Technical benefits of using methane as a pyrolysis medium for catalytic pyrolysis of Kraft lignin. BIORESOURCE TECHNOLOGY 2022; 353:127131. [PMID: 35398535 DOI: 10.1016/j.biortech.2022.127131] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 04/02/2022] [Accepted: 04/05/2022] [Indexed: 06/14/2023]
Abstract
Catalytic fast pyrolysis of low sulfonated Kraft lignin was performed under different atmospheric environments such as N2, CH4, and the gas derived from CH4 decomposition (CH4-D). The use of Zn- or Mo-loaded HZSM-5 as catalyst led to a higher pyrolytic oil yield compared to parent HZSM-5 in CH4 and CH4-D atmospheres. The yields of benzene, toluene, and xylenes were increased by the synergistic effects from metal loading, higher H/Ceff ratio, higher acidity, and CH4 activation. The enhanced CH4 activation via metal loading resulted in higher methylation of alkyl moieties and 33% increase in the total yield of benzene, toluene, and xylenes in comparison to parent HZSM-5. A higher H/Ceff ratio of 6 via CH4 decomposition led to the formation of a hydro-pyrolysis environment. Moreover, the CH4-D environment showed H2/CH4 ratio of 0.36 in the product gas which warranted the presence of more H2 under the CH4-D pyrolysis environment.
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Affiliation(s)
- Abid Farooq
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Gwang Hoon Rhee
- Department of Mechanical and Information Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Jechan Lee
- Department of Environmental. and Safety Engineering & Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
| | - Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Byong-Hun Jeon
- Department of Earth Resources & Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea.
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7
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Jindal M, Kumar A, Kaur R, Chandra Sekhar Palla V, Bhaskar T. Flash hydropyrolysis of cotton stalks: Role of temperature, metal loading, pressure for enhancement of aromatics. BIORESOURCE TECHNOLOGY 2022; 351:127047. [PMID: 35337994 DOI: 10.1016/j.biortech.2022.127047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 06/14/2023]
Abstract
Hydropyrolysis of underutilized cotton stalks with catalytic upgradation was examined at different temperatures (500 to 800 °C) in the presence of nickel impregnated HY-zeolite (Ni/HY) catalysts using pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS). The effects of different metal loading (10, 15, 20 and 25 wt%) and its size were investigated to understand their impact on product distribution, mainly aromatic and aliphatic hydrocarbons. Aromatic hydrocarbons increased with an increase in metal content and optimum metal loading was 20 wt%. The pyrolysis temperature and hydrogen pressure had significant effect on product distribution. Aromatic hydrocarbon area% increased from 1.5% to 48% with an increase in temperature from 500 to 800 °C in non-catalytic hydropyrolysis. Aromatic hydrocarbon area% reached 75.5% with 20 wt% Ni/HY at 10 bar H2 pressure at 800 °C.
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Affiliation(s)
- Meenu Jindal
- Academy of Scientific and Innovation Research (AcSIR), Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India; Thermo-catalytic Process Area, Material Resource Efficiency Division, CSIR -Indian Institute of Petroleum, Dehradun 248005, Uttarakhand, India
| | - Adarsh Kumar
- Department of Biological Systems Engineering, Bioproducts Sciences and Engineering Laboratory, Washington State University, Richland, WA 99354, USA
| | - Ramandeep Kaur
- Academy of Scientific and Innovation Research (AcSIR), Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India; Thermo-catalytic Process Area, Material Resource Efficiency Division, CSIR -Indian Institute of Petroleum, Dehradun 248005, Uttarakhand, India
| | - Venkata Chandra Sekhar Palla
- Academy of Scientific and Innovation Research (AcSIR), Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India; Thermo-catalytic Process Area, Material Resource Efficiency Division, CSIR -Indian Institute of Petroleum, Dehradun 248005, Uttarakhand, India
| | - Thallada Bhaskar
- Academy of Scientific and Innovation Research (AcSIR), Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India; Thermo-catalytic Process Area, Material Resource Efficiency Division, CSIR -Indian Institute of Petroleum, Dehradun 248005, Uttarakhand, India.
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8
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Singh J, Sharma A, Sharma P, Tomar GS, Grover M, Singh S, Nain L. Production of ethanol, lipid and lactic acid from mixed agrowastes hydrolysate. Nat Prod Res 2022:1-8. [PMID: 35382651 DOI: 10.1080/14786419.2022.2061480] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
To combat the shortage of single agro-residue and overcome the problem of seasonal availability, it is beneficial to use mixture of lignocellulosic biomasses. In the present study, efforts were made to use mixed lignocellulosic biomass for production of bioethanol, along with microbial lipids and lactic acid. Upon enzymatic hydrolysis of mixed biomass at varied proportions it was observed that mixture of paddy straw and jute in the ratio 3:1 resulted in best sugar yield (41.50 g/L) at 10% substrate loading. Ethanolic fermentation of mixed substrate hydrolysate by thermotolerant yeast, Saccharomyces cerevisiae JRC6 resulted in 8.39 g/L of ethanol. To maintain sustainability and economic impact, oleaginous yeast (Trichosporon mycotoxinivorans S2) and lactic acid bacteria (Lactobacillus plantarum LP-9) were used for lipid production (14.5 g/L) and lactic acid production (11.08 g/L), respectively. Therefore, this study explored the potential of mixed lignocellulosic biomass to be exploited for production of various value-added products.
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Affiliation(s)
- Jyoti Singh
- Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Abha Sharma
- Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Pushpendra Sharma
- Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Govind Singh Tomar
- Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Minakshi Grover
- Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Surender Singh
- Department of Microbiology, Central University of Haryana, Mahendargarh, India
| | - Lata Nain
- Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi, India
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9
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Moogi S, Jang SH, Rhee GH, Ko CH, Choi YJ, Lee SH, Show PL, Andrew Lin KY, Park YK. Hydrogen-rich gas production via steam gasification of food waste over basic oxides (MgO/CaO/SrO) promoted-Ni/Al 2O 3 catalysts. CHEMOSPHERE 2022; 287:132224. [PMID: 34826918 DOI: 10.1016/j.chemosphere.2021.132224] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/28/2021] [Accepted: 09/07/2021] [Indexed: 06/13/2023]
Abstract
Food waste, a renewable resource, was converted to H2-rich gas via a catalytic steam gasification process. The effects of basic oxides (MgO, CaO, and SrO) with 10 wt% Ni/Al2O3 on the gasification properties of food waste were investigated using a U-shaped gasifier. All catalysts prepared by the precipitation method were analyzed by X-ray diffraction, H2-temperature-programmed reduction, NH3-temperature-programmed desorption, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The Ni/Al2O3 catalyst was reduced incompletely, and low nickel concentrations were detected on the surface of the alumina. The basic oxides minimized the number of acid sites and suppressed the formation of nickel-aluminate (NiAlxOy) phase in catalyst. In addition, the basic oxides shifted nickel-aluminate reduction reaction to lower temperatures. It resulted in enhancing nickel concentration on the catalyst surface and increasing gas yield and hydrogen selectivity. The low gas yield of the Ni/Al2O3 catalyst was attributed to the low nickel concentration on the surface. The maximum gas yield (66.0 wt%) and hydrogen selectivity (63.8 vol%) of the 10 wt% SrO- 10 wt% Ni/Al2O3 catalyst correlated with the highly dispersed nickel on the surface and low acidity. Furthermore, coke deposition during steam gasification varied with the surface acidity of the catalysts and less coke was formed on 10 wt% SrO- 10 wt% Ni/Al2O3 due to efficient tar cracking. This study showed that the steam gasification efficiency of the Ni/Al2O3 catalyst could be improved significantly by the addition of SrO.
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Affiliation(s)
- Surendar Moogi
- School of Environmental Engineering, University of Seoul, 02504, Seoul, South Korea
| | - Seong-Ho Jang
- Department of Bio-Environmental Energy, Pusan National Univ., 50463, Miryang, South Korea
| | - Gwang Hoon Rhee
- Department of Mechanical and Information Engineering, University of Seoul, 02504, Seoul, South Korea
| | - Chang Hyun Ko
- School of Chemical Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Yong Jun Choi
- School of Environmental Engineering, University of Seoul, 02504, Seoul, South Korea
| | - See Hoon Lee
- Department of Mineral Resource and Energy Engineering, Jeonbuk National University, 54896, Jeonju, South Korea
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Kun-Yi Andrew Lin
- Department of Environmental Engineering, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung, Taiwan
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, 02504, Seoul, South Korea.
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Oh S, Lee J, Lam SS, Kwon EE, Ha JM, Tsang DCW, Ok YS, Chen WH, Park YK. Fast hydropyrolysis of biomass Conversion: A comparative review. BIORESOURCE TECHNOLOGY 2021; 342:126067. [PMID: 34601023 DOI: 10.1016/j.biortech.2021.126067] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/27/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
Recent studies show that fast hydropyrolysis (i.e., pyrolysis under hydrogen atmosphere operating at a rapid heating rate) is a promising technology for the conversion of biomass into liquid fuels (e.g., bio-oil and C4+ hydrocarbons). This pyrolysis approach is reported to be more effective than conventional fast pyrolysis in producing aromatic hydrocarbons and also lowering the oxygen content of the bio-oil obtained compared to hydrodeoxygenation (a common bio-oil upgrading method). Based on current literature, various non-catalytic and catalytic fast hydropyrolysis processes are reviewed and discussed. Efforts to combine fast hydropyrolysis and hydrotreatment process are also highlighted. Points to be considered for future research into fast hydropyrolysis and pending challenges are also discussed.
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Affiliation(s)
- Shinyoung Oh
- Clean Energy Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Jechan Lee
- Department of Environmental and Safety Engineering & Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
| | - Su Shiung Lam
- Pyrolysis Technology Research Group, Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Eilhann E Kwon
- Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea
| | - Jeong-Myeong Ha
- Clean Energy Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Daniel C W Tsang
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, PR China
| | - Yong Sik Ok
- Korea Biochar Research Centre, APRU Sustainable Waste Management Program & Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea.
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11
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Chaihad N, Anniwaer A, Choirun Az Zahra A, Kasai Y, Reubroycharoen P, Kusakabe K, Abudula A, Guan G. In-situ catalytic upgrading of bio-oil from rapid pyrolysis of biomass over hollow HZSM-5 with mesoporous shell. BIORESOURCE TECHNOLOGY 2021; 341:125874. [PMID: 34523567 DOI: 10.1016/j.biortech.2021.125874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 08/29/2021] [Accepted: 08/30/2021] [Indexed: 06/13/2023]
Abstract
To solve the issue of narrow micropores in traditional protonic type Zeolite Socony Mobil-5 (HZSM-5) catalysts in the restricting of large-molecular reactants/products diffusion, hollow HZSM-5 with a mesoporous shell was prepared using a hydrothermal method combined with a tetrapropylammonium hydroxide (TPAOH) treatment process. Applying for in-situ catalyst upgrading of bio-oil from rapid pyrolysis of biomass, the obtained most efficient catalyst of Hollow(30)-TP resulted in aromatic hydrocarbon yields in the range of 78.49-78.67% for cellulose and hemicellulose, which is much greater than those using the traditional HZSM-5 (61.06-68.26%). Furthermore, in the case using real biomass (cedar) with an optimal biomass/catalyst weight ratio of 1:2, the aromatic hydrocarbon yield reached up to 80.16%. In addition, this catalyst exhibited excellent reusability and regeneration property due to the increased accessibility to the acid sites in the hollow HZSM-5 for the improving of the reaction rate as well as the reducing of coking.
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Affiliation(s)
- Nichaboon Chaihad
- Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan
| | - Aisikaer Anniwaer
- Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan
| | | | - Yutaka Kasai
- Industrial Research Institute, Aomori Prefectural Industrial Technology Research Center, 4-11-6, Daini-Tonyamachi, Aomori 030-0113, Japan
| | - Prasert Reubroycharoen
- Department of Chemical Technology, Faculty of Science and Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand
| | - Katsuki Kusakabe
- Department of Nanoscience, Sojo University, 4-22-1, Nishi-ku, Kumamoto-shi, Kumamoto 860-0082, Japan
| | - Abuliti Abudula
- Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan
| | - Guoqing Guan
- Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan; Energy Conversion Engineering Laboratory, Institute of Regional Innovation, Hirosaki University, 2-1-3, Matsubara, Aomori 030-0813, Japan.
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Farooq A, Rhee GH, Lee IH, Khan MA, Lee SH, Jung SC, Jeon BH, Chen WH, Park YK. Waste furniture gasification using rice husk based char catalysts for enhanced hydrogen generation. BIORESOURCE TECHNOLOGY 2021; 341:125813. [PMID: 34454233 DOI: 10.1016/j.biortech.2021.125813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/15/2021] [Accepted: 08/17/2021] [Indexed: 06/13/2023]
Abstract
Present study provides biohydrogen production methods from waste furniture via catalytic steam gasification with bio-char catalysts (raw char, KOH-activated char and steam-activated char). Total gas yield for the prepared chars was in the order of KOH-activated char > steam-activated char > raw char, whereas, H2 selectivity was in the sequence of raw char > steam-activated char > KOH-activated char. Though KOH-activated char showed the highest gas yield, highest H2 selectivity was obtained at the gasification experiment with raw char due to the large amount of Ca and K and its reasonable surface area (146.89 m2/g). Although the activation of raw biochar results in the increase of gas yield, it has the negative effect on H2 generation due to the removal of alkali and alkaline earth metals for the KOH activated char and steam-activated char. This study shows that raw bio-char could be a potential solution for eco-friendly hydrogen production.
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Affiliation(s)
- Abid Farooq
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Gwang Hoon Rhee
- Department of Mechanical and Information Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Im-Hack Lee
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - See Hoon Lee
- Deparment of Mineral Resource and Energy Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Sang-Chul Jung
- Department of Environmental Engineering, Sunchon National University, Suncheon 57923, Republic of Korea
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea.
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Progress of the Pyrolyzer Reactors and Advanced Technologies for Biomass Pyrolysis Processing. SUSTAINABILITY 2021. [DOI: 10.3390/su131911061] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In the future, renewable energy technologies will have a significant role in catering to energy security concerns and a safe environment. Among the various renewable energy sources available, biomass has high accessibility and is considered a carbon-neutral source. Pyrolysis technology is a thermo-chemical route for converting biomass to many useful products (biochar, bio-oil, and combustible pyrolysis gases). The composition and relative product yield depend on the pyrolysis technology adopted. The present review paper evaluates various types of biomass pyrolysis. Fast pyrolysis, slow pyrolysis, and advanced pyrolysis techniques concerning different pyrolyzer reactors have been reviewed from the literature and are presented to broaden the scope of its selection and application for future studies and research. Slow pyrolysis can deliver superior ecological welfare because it provides additional bio-char yield using auger and rotary kiln reactors. Fast pyrolysis can produce bio-oil, primarily via bubbling and circulating fluidized bed reactors. Advanced pyrolysis processes have good potential to provide high prosperity for specific applications. The success of pyrolysis depends strongly on the selection of a specific reactor as a pyrolyzer based on the desired product and feedstock specifications.
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Ren XY, Cao JP, Li Y, He ZM, Zhao XY, Liu TL, Feng XB, Zhao YP, Bai HC, Zhang J, Zhao SX. Formation of Light Aromatics and Coke during Catalytic Reforming of Biopolymer-Derived Volatiles over HZSM-5. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c01832] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xue-Yu Ren
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Jing-Pei Cao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
- State Key Laboratory of High-Efficient Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, Ningxia, China
| | - Yang Li
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Zi-Meng He
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Xiao-Yan Zhao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Tian-Long Liu
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Xiao-Bo Feng
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Yun-Peng Zhao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Hong-Cun Bai
- State Key Laboratory of High-Efficient Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, Ningxia, China
| | - Ji Zhang
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Shi-Xuan Zhao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
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Catalytic Methane Decomposition to Carbon Nanostructures and CO x-Free Hydrogen: A Mini-Review. NANOMATERIALS 2021; 11:nano11051226. [PMID: 34066547 PMCID: PMC8148609 DOI: 10.3390/nano11051226] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/27/2021] [Accepted: 04/28/2021] [Indexed: 01/21/2023]
Abstract
Catalytic methane decomposition (CMD) is a highly promising approach for the rational production of relatively COx-free hydrogen and carbon nanostructures, which are both important in multidisciplinary catalytic applications, electronics, fuel cells, etc. Research on CMD has been expanding in recent years with more than 2000 studies in the last five years alone. It is therefore a daunting task to provide a timely update on recent advances in the CMD process, related catalysis, kinetics, and reaction products. This mini-review emphasizes recent studies on the CMD process investigating self-standing/supported metal-based catalysts (e.g., Fe, Ni, Co, and Cu), metal oxide supports (e.g., SiO2, Al2O3, and TiO2), and carbon-based catalysts (e.g., carbon blacks, carbon nanotubes, and activated carbons) alongside their parameters supported with various examples, schematics, and comparison tables. In addition, the review examines the effect of a catalyst’s shape and composition on CMD activity, stability, and products. It also attempts to bridge the gap between research and practical utilization of the CMD process and its future prospects.
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Ahamed A, Liang L, Chan WP, Tan PCK, Yip NTX, Bobacka J, Veksha A, Yin K, Lisak G. In situ catalytic reforming of plastic pyrolysis vapors using MSW incineration ashes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 276:116681. [PMID: 33611206 DOI: 10.1016/j.envpol.2021.116681] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/21/2021] [Accepted: 02/03/2021] [Indexed: 06/12/2023]
Abstract
The valorization of municipal solid waste incineration bottom and fly ashes (IBA and IFA) as catalysts for thermochemical plastic treatment was investigated. As-received, calcined, and Ni-loaded ashes prepared via hydrothermal synthesis were used as low-cost waste-derived catalysts for in-line upgrading of volatile products from plastic pyrolysis. It was found that both IBA and air pollution control IFA (APC) promote selective production of BTEX compounds (i.e., benzene, toluene, ethylbenzene, and xylenes) without significantly affecting the formation of other gaseous and liquid species. There was insignificant change in the product distribution when electrostatic precipitator IFA (ESP) was used, probably due to the lack of active catalytic species. Calcined APC (C-APC) demonstrated further improvement in the BTEX yield that suggested the potential to enhance the catalytic properties of ashes through pre-treatment. By comparing with the leaching limit values stated in the European Council Decision, 2003/33/EC for the acceptance of hazardous waste at landfills, all the ashes applied remained in the same category after the calcination and pyrolysis processes, except the leaching of Cl- from the ESP, which was around the borderline. Therefore, the use of ashes in catalytic reforming application do not significantly deteriorate their metal leaching behavior. Considering its superior catalytic activity towards BTEX formation, C-APC was loaded with Ni at 15 and 30 wt%. The Ni-loading favored an increase in overall oil yield, while reducing the gas yield when compared to the benchmark Ni loaded ZSM catalyst. However, Ni addition also caused the formation of more heavier hydrocarbons (C20-C35) that would require post-treatment to recover favorable products like BTEX.
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Affiliation(s)
- Ashiq Ahamed
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore; Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500 Turku, Finland
| | - Lili Liang
- School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, 639798, Singapore; Interdisciplinary Graduate Program, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore
| | - Wei Ping Chan
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore
| | - Preston Choon Kiat Tan
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Nicklaus Tze Xuan Yip
- School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Johan Bobacka
- Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500 Turku, Finland
| | - Andrei Veksha
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore
| | - Ke Yin
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore; Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Road, Nanjing, 210037, China
| | - Grzegorz Lisak
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
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17
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Co-Combustion of Blends of Coal and Underutilised Biomass Residues for Environmental Friendly Electrical Energy Production. SUSTAINABILITY 2021. [DOI: 10.3390/su13094881] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This study investigated the co-combustion of the blends of coal and biomass residues from poplar sawdust, rice husk, pine nut shells, and sunflower residues for ecofriendly energy production. Proximate and ultimate analyses and calorific values of the coal and biomass residues were also carried out to evaluate the properties of the coal and biomass residues. The volatile matter in coal was reported as 43.38 wt% and ranged from 56.76 wt% to 80.95 wt% in the biomass residues. The ultimate analysis reported the carbon and sulfur content of coal as 68.7 wt% and 5.5 wt%, respectively. The coal and biomass blends were prepared using different ratios on the thermal basis of coal and biomass given as 100:0, 90:10, 80:20, 70:30, 60:40, and 50:50 by weight percentage. The consequent stoichiometric air requirements for all the blends were also calculated. The results revealed that the combustion of 60:40 of coal and sunflower residue blend was the most efficient blend, resulting in less emission of NOx, SOx, and CO2 in the flue gas compared to the combustion of pure coal. The study revealed a great perspective of the selected biomass residues to blend with coal for environmentally friendly and sustainable energy production.
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Shakeel U, Hussain M, Sheikh R, Ahmed A, Nazir MS, Yang W, Shezad N, Akhter P, Park YK. Development of highly efficient solid acid catalysts supported on mesoporous KIT-6 for esterification of oleic acid. KOREAN J CHEM ENG 2021. [DOI: 10.1007/s11814-021-0754-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Farooq A, Moogi S, Kwon EE, Lee J, Kim YM, Jae J, Jung SC, Park YK. Catalytic upgrading of Quercus Mongolica under methane environment to obtain high yield of bioaromatics. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 272:116016. [PMID: 33248830 DOI: 10.1016/j.envpol.2020.116016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/24/2020] [Accepted: 09/28/2020] [Indexed: 06/12/2023]
Abstract
This work investigated the impact of pyrolysis medium and catalyst on the production of bio-BTX (benzene, toluene, and xylene) from Quercus Mongolica (Q. Mongolica) via catalytic pyrolysis. Two different pyrolysis media (N2 and CH4) and five different zeolite catalysts (HY, HBeta, HZSM-5, 1 wt% Ni/HZSM-5, and 1 wt% Ga/HZSM-5) were considered for the Q. Mongolica pyrolysis. The HZSM-5 yielded more BTX than the HY and HBeta due to its strong acidity. The employment of CH4 as the pyrolysis medium improved the BTX yield (e.g., 2.7 times higher total BTX yield in CH4 than in N2) and resulted in low coke yield (e.g., 5.27% for N2-pyrolysis and 2.57% for CH4-pyrolysis) because the CH4-drived hydrogen simulated a hydropyrolysis condition and facilitated dehydroaromatization reaction. CH4 also led to direct coupling, Diels-Alder, and co-aromatization reactions during the pyrolysis, contributing to enhancing the BTX yield. The addition of Ga to the HZSM-5 could further increase the BTX yield by means of facilitating hydrocracking/demethylation and methyl radical formation from CH4 assisting the generation of >C2 alkenes that could be further converted into BTX on acid sites of the HZSM-5.
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Affiliation(s)
- Abid Farooq
- School of Environmental Engineering, University of Seoul, Seoul, 02504, Republic of Korea
| | - Surendar Moogi
- School of Environmental Engineering, University of Seoul, Seoul, 02504, Republic of Korea
| | - Eilhann E Kwon
- Department of Environment and Energy, Sejong University, Seoul, 05006, Republic of Korea
| | - Jechan Lee
- Department of Environmental and Safety Engineering, Ajou University, Suwon, 16499, Republic of Korea; Department of Energy Systems Research, Ajou University, Suwon, 16499, Republic of Korea
| | - Young-Min Kim
- Department of Environmental Engineering, Daegu University, Gyeongsan, 38453, Republic of Korea
| | - Jungho Jae
- School of Chemical and Biomolecular Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Sang-Chul Jung
- Department of Environmental Engineering, Sunchon National University, Sunchon, 57922, Republic of Korea
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul, 02504, Republic of Korea.
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Valizadeh S, Lam SS, Ko CH, Lee SH, Farooq A, Yu YJ, Jeon JK, Jung SC, Rhee GH, Park YK. Biohydrogen production from catalytic conversion of food waste via steam and air gasification using eggshell- and homo-type Ni/Al 2O 3 catalysts. BIORESOURCE TECHNOLOGY 2021; 320:124313. [PMID: 33197736 DOI: 10.1016/j.biortech.2020.124313] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/15/2020] [Accepted: 10/21/2020] [Indexed: 06/11/2023]
Abstract
Steam and air gasification with 5 wt% Ni/Al2O3 eggshell (Ni-EG) and homo (Ni-H) catalysts were performed for the first time to produce biohydrogen from food waste. The steam gasification produced comparably higher gas yield than air gasification. In non-catalytic experiments, steam gasification generated a higher volume percent of H2, whereas more CO, CO2, CH4, and C2-C4 were produced in air gasification. Ni-EG demonstrated higher potential to obtain H2-rich gases with a low C2-C4 content compared to that obtained by Ni-H, particularly in steam gasification at 800 °C, which produced gaseous products with 59.48 vol% H2. The long-term activity of both catalysts in steam gasification was evaluated, and Ni-EG exhibited higher stability than Ni-H. The ideal distribution of Ni species on the outer region of γ-Al2O3 pellets in Ni-EG resulted in higher activity, stability, and selectivity than Ni-H in both steam and air gasification.
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Affiliation(s)
- Soheil Valizadeh
- School of Environment Engineering, University of Seoul, Seoul 02505, Republic of Korea
| | - Su Shiung Lam
- Pyrolysis Technology Research Group, Institute of Tropical Aquaculture and Fisheries (Akuatrop), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Chang Hyun Ko
- School of Chemical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
| | - See Hoon Lee
- Department of Mineral Resources & Energy Engineering, Chonbuk National University, Jeonju 54896, Republic of Korea
| | - Abid Farooq
- School of Environment Engineering, University of Seoul, Seoul 02505, Republic of Korea
| | - Yeon Jeong Yu
- School of Chemical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Jong-Ki Jeon
- Department Chemical Engineering, Kongju National University, Cheonan 31081, Republic of Korea
| | - Sang-Chul Jung
- Department of Environmental Engineering, Sunchon National University, Suncheon 57923, Republic of Korea
| | - Gwang Hoon Rhee
- Department of Mechanical and Information Engineering, University of Seoul, Seoul 02505, Republic of Korea
| | - Young-Kwon Park
- School of Environment Engineering, University of Seoul, Seoul 02505, Republic of Korea.
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Assessing the Theoretical Prospects of Bioethanol Production as a Biofuel from Agricultural Residues in Bangladesh: A Review. SUSTAINABILITY 2020. [DOI: 10.3390/su12208583] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This study reviewed the aspects of the production of bioethanol from the agricultural residues available in Bangladesh. The crop residues such as rice, wheat, sugarcane, corn, cotton, jute, and sugarcane have great potential for energy generation in a sustainable and eco-friendly way in Bangladesh, as these residues are available in large quantities. Bioethanol is an alternative fuel to gasoline that provides comparable performance results. Bioethanol from these residues can be used for transportation purposes, as it does not require any major modifications to the spark-ignition engine configuration when using E5 blend (5% Ethanol mixed with 95% of the gasoline). In Bangladesh, approximately 65.36 Mt of agricultural residues are available from the major crops, from which 32 Mt bioethanol can be generated. This study is expected to provide useful concise data with regards to the beneficial utilization of agricultural residues for bioethanol production in Bangladesh.
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