Biofuel Research Journal-BRJ最新文献_第5页

Alkaline modified A-site deficient perovskite catalyst surface with exsolved nanoparticles and functionality in biomass valorisation 碱性改性的A位缺陷钙钛矿催化剂表面具有出溶纳米颗粒和生物质增值功能

IF 13

Biofuel Research Journal-BRJ Pub Date : 2021-03-01 DOI: 10.18331/BRJ2021.8.1.5

A. Umar, D. Neagu, J. Irvine

{"title":"Alkaline modified A-site deficient perovskite catalyst surface with exsolved nanoparticles and functionality in biomass valorisation","authors":"A. Umar, D. Neagu, J. Irvine","doi":"10.18331/BRJ2021.8.1.5","DOIUrl":"https://doi.org/10.18331/BRJ2021.8.1.5","url":null,"abstract":"Environmental problems associated with the use of fossil fuels and increase in energy demands due to rise in population and rapid industrialisation, are the driving forces for energy. Catalytic conversion of biomass to renewable energies is among the promising approaches to materialize the above. This requires development of robust catalysts to suppress deactivation due to carbon deposition and agglomeration. In this work, surface properties and chemistry such as exsolution of B-site metal catalyst nanoparticles, particle size and distribution, as well as catalyst-support interactions were tailored through the use of alkaline dopants to enhance catalytic behaviour in valorisation of glycerol. The incorporation of alkaline metals into the lattice of an A-site deficient perovskite modified the surface basic properties and morphology with a consequent robust catalyst-support interaction. This resulted in promising catalytic behaviour of the materials where hydrogen selectivity of over 30% and CO selectivity of over 60% were observed. The catalyst ability to reduce fouling of the catalyst surface as a result of carbon deposition during operation was also profound due to the robust catalyst-support interaction occurring at the exsolved nanoparticles due to their socketing and the synergy between the dopant metals in the alloy in perovskite catalyst systems. In particular, one of the designed systems, La0.4Sr0.2Ca0.3Ni0.1Ti0.9O3±δ, displayed almost 100% resistance to carbon deposition. Therefore, lattice rearrangement using exsolution and choice of suitable dopant could be tailored to improve catalytic performance.","PeriodicalId":46938,"journal":{"name":"Biofuel Research Journal-BRJ","volume":"1 1","pages":""},"PeriodicalIF":13.0,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41386723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 14

Editorial Board 编辑委员会

IF 13

Biofuel Research Journal-BRJ Pub Date : 2020-12-01 DOI: 10.18331/brj2020.7.4.1

引用次数: 0

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IF 13

Biofuel Research Journal-BRJ Pub Date : 2020-09-01 DOI: 10.18331/brj2020.7.3.1

引用次数: 0

Qualitative role of heterogeneous catalysts in biodiesel production from Jatropha curcas oil 多相催化剂在麻疯树油制备生物柴油中的定性作用

IF 13

Biofuel Research Journal-BRJ Pub Date : 2020-06-01 DOI: 10.18331/brj2020.7.2.4

F. Aderibigbe, Sherif Ishola Mustapha, T. L. Adewoye, Ishaq Alhassan Mohammed, Adebola Bukola Gbadegesin, F. Niyi, Opeyemi Idowu Olowu, Akinpelumi Gabriel Soretire, H. B. Saka

{"title":"Qualitative role of heterogeneous catalysts in biodiesel production from Jatropha curcas oil","authors":"F. Aderibigbe, Sherif Ishola Mustapha, T. L. Adewoye, Ishaq Alhassan Mohammed, Adebola Bukola Gbadegesin, F. Niyi, Opeyemi Idowu Olowu, Akinpelumi Gabriel Soretire, H. B. Saka","doi":"10.18331/brj2020.7.2.4","DOIUrl":"https://doi.org/10.18331/brj2020.7.2.4","url":null,"abstract":"Biodiesel properties are in general attributed to the composition and properties of the oil feedstock used, overlooking the possible impacts of the catalyst preparation details. In light of that, the impacts of different catalyst preparation techniques alongside those of different support materials on the yield, composition, and fuel properties of biodiesels produced from the same oil feedstock were investigated. More specifically, tri-metallic (Fe-Co-Ni) catalyst was synthesized through two different techniques (green synthesis and wet impregnation) using MgO or ZnO as support material. The generated catalyst pairs, i.e., Fe-Co-Ni/MgO and Fe-Co-Ni/ZnO prepared by wet impregnation and Fe-Co-Ni-MgO and Fe-Co-Ni-ZnO prepared by green synthesis (using leaf extracts) were used in the transesterification process of Jatropha curcas oil. Detailed morphological properties, composition, thermal stability, crystalline nature, and functional groups characterization of the catalysts were also carried out. Using Box-Behnken Design response surface methodology, it was found that the green-synthesized Fe-Co-Ni-MgO catalyst resulted in the highest biodiesel yield of 97.9%. More importantly, the fatty acid methyl ester (FAME) profiles of the biodiesels produced using the four catalysts as well as their respective fuel properties were different in spite of using the same oil feedstock.","PeriodicalId":46938,"journal":{"name":"Biofuel Research Journal-BRJ","volume":" ","pages":""},"PeriodicalIF":13.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42154056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 30

Editorial Board 编辑委员会

IF 13

Biofuel Research Journal-BRJ Pub Date : 2020-06-01 DOI: 10.18331/brj2020.7.2.1

引用次数: 0

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IF 13

Biofuel Research Journal-BRJ Pub Date : 2020-03-01 DOI: 10.18331/brj2020.7.1.1

引用次数: 0

Biorefinery perspectives of microbial electrolysis cells (MECs) for hydrogen and valuable chemicals production through wastewater treatment 微生物电解电池(MECs)通过废水处理生产氢和有价化学品的生物炼制前景

IF 13

Biofuel Research Journal-BRJ Pub Date : 2020-03-01 DOI: 10.18331/brj2020.7.1.5

Abudukeremu Kadier, Pratiksha Jain, Bin Lai, M. S. Kalil, S. Kondaveeti, K. Alabbosh, I. Abu-Reesh, G. Mohanakrishna

{"title":"Biorefinery perspectives of microbial electrolysis cells (MECs) for hydrogen and valuable chemicals production through wastewater treatment","authors":"Abudukeremu Kadier, Pratiksha Jain, Bin Lai, M. S. Kalil, S. Kondaveeti, K. Alabbosh, I. Abu-Reesh, G. Mohanakrishna","doi":"10.18331/brj2020.7.1.5","DOIUrl":"https://doi.org/10.18331/brj2020.7.1.5","url":null,"abstract":"The degradation of waste organics through microbial electrolysis cell (MEC) generates hydrogen (H2) gas in an economically efficient way. MEC is known as the advanced concept of the microbial fuel cell (MFC) but requires a minor amount of supplementary electrical energy to produce H2 in the cathode microenvironment. Different bio/processes could be integrated to generate additional energy from the substrate used in MECs, which would make the whole process more sustainable. On the other hand, the energy required to drive the MEC mechanism could be harvested from renewable energy sources. These integrations could advance the efficiency and economic feasibility of the whole process. The present review critically discusses all the integrations investigated to date with MECs such as MFCs, anaerobic digestion, microbial desalination cells, membrane bioreactors, solar energy harvesting systems, etc. Energy generating non-biological and eco-friendly processes (such as dye-sensitized solar cells and thermoelectric microconverters) which could also be integrated with MECs, are also presented and reviewed. Achieving a comprehensive understanding about MEC integration could help with developing advanced biorefineries towards more sustainable energy management. Finally, the challenges related to the scaling up of these processes are also scrutinized with the aim to identify the practical hurdles faced in the MEC processes.","PeriodicalId":46938,"journal":{"name":"Biofuel Research Journal-BRJ","volume":" ","pages":""},"PeriodicalIF":13.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45868280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 48

Editorial Board 编辑委员会

IF 13

Biofuel Research Journal-BRJ Pub Date : 2019-12-01 DOI: 10.18331/brj2019.6.4.1

引用次数: 0

Bio-oil yield and quality enhancement through fast pyrolysis and fractional condensation concepts 通过快速热解和分馏冷凝概念提高生物油收率和质量

IF 13

Biofuel Research Journal-BRJ Pub Date : 2019-12-01 DOI: 10.18331/brj2019.6.4.2

Brenda J. Alvarez-Chavez, S. Godbout, Étienne Le Roux, J. Palacios, V. Raghavan

{"title":"Bio-oil yield and quality enhancement through fast pyrolysis and fractional condensation concepts","authors":"Brenda J. Alvarez-Chavez, S. Godbout, Étienne Le Roux, J. Palacios, V. Raghavan","doi":"10.18331/brj2019.6.4.2","DOIUrl":"https://doi.org/10.18331/brj2019.6.4.2","url":null,"abstract":"The influence of operating conditions on the yield and quality of bio-oil obtained from black spruce wood mixture was studied using an auger reactor. Fast pyrolysis optimization through response surface analysis was carried out with four variables: pyrolysis temperature, solids residence time, nitrogen flow, and temperature of first stage of condensation. The optimal conditions obtained for bio-oil production were 555°C, 129 s, 6.9 L/min, and 120°C, respectively. The product yields were 38.61 wt.% of biochar, 25.39 wt.% of liquid, and 36.52 wt.% of non-condensable gases. Two liquid products were produced at the exit of the two condensers, following the concept of fractional condensation. The oily phase yield recovered in the first condenser was 10.59 wt.%, with a 16.86 wt.% of moisture content. Physical properties of the oily phase were analyzed and compared with the ASTM standard D7544-12. Qualitative identification of chemical compounds was carried out for the oily phase which helped in pyrolysis optimization for the bio-oil production targeted towards its use as fuel in commercial burners. In addition, the oil produced here is one of the lowest in water and solids content, attributable to the unique feature of auger reactors without the need for additional treatments.","PeriodicalId":46938,"journal":{"name":"Biofuel Research Journal-BRJ","volume":" ","pages":""},"PeriodicalIF":13.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42171912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 32

Comparison of pretreatment methods that enhance biomethane production from crop residues - a systematic review 提高作物残茬生物甲烷产量的预处理方法的比较——系统综述

IF 13

Biofuel Research Journal-BRJ Pub Date : 2019-12-01 DOI: 10.18331/brj2019.6.4.4

R. Kamusoko, R. Jingura, W. Parawira, W. Sanyika

{"title":"Comparison of pretreatment methods that enhance biomethane production from crop residues - a systematic review","authors":"R. Kamusoko, R. Jingura, W. Parawira, W. Sanyika","doi":"10.18331/brj2019.6.4.4","DOIUrl":"https://doi.org/10.18331/brj2019.6.4.4","url":null,"abstract":"A systematic literature review was conducted to compare the efficacy of biological, chemical, physical, and combined pretreatments in enhancing biomethane production from crop residues (CR). Three electronic databases viz., Science Direct, EBSCOhost, and PubMed were used to identify the studies in literature. The pretreatment methods were compared in terms of their advantages and disadvantages with reference to techno-economic aspects. The techno-economic aspects considered included rate of hydrolysis, energy use, effectiveness, cost, and formation of toxic compounds. A total of 3167 studies, covering the period 2014 - 2018, were screened for relevance to the study. Forty-four records (n=44) consisting of 36 research papers (n=36) and eight narrative reviews (n=8) met the inclusion criteria. The results show that physical and chemical methods are the most effective and fastest. These methods have limited utility due to high cost of resources, operation, and energy as well as formation of inhibitory by-products. Despite generation of toxic compounds, combined methods are regarded as fast and costeffective. Biological method is inexpensive, eco-friendly, and low energy-consuming. However, it is a nascent technology that is still developing. A combination of trends in research and development provide the best pretreatment alternative to improve the biomethane production from CR.","PeriodicalId":46938,"journal":{"name":"Biofuel Research Journal-BRJ","volume":" ","pages":""},"PeriodicalIF":13.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43858007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 46