Article
Energy & Fuels
Jiaqing Zhang, Yi Guo, Dennis Pau, Kaiyuan Li, Kai Xie, Yanyan Zou
Summary: This study investigated the pyrolysis characteristics and kinetics of Karamay transformer oil using various analytical methods. The results showed that the main organic products from the pyrolysis process were n-alkanes, with a higher concentration of alkanes with a higher number of carbon atoms. The apparent activation energy remained relatively constant regardless of the conversion rate, and the dominating volatile product was n-heptadecane (C17).
Article
Agricultural Engineering
Yuan Liu, Shiliang Wu, Huiyan Zhang, Rui Xiao
Summary: The study compared the pyrolysis behaviors of agricultural and forestry residues' holocelluloses and found that agricultural holocellulose contains higher ash and hemicellulose content, with lower initial temperature and maximum mass loss rate compared to forestry holocellulose. Agricultural holocellulose produced more acids, ketones, aldehydes, and furans, while corn stalk holocellulose had the highest content of targeted compounds. Woody and pine sawdust holocelluloses were suitable for producing sugars like levoglucosan.
BIORESOURCE TECHNOLOGY
(2021)
Article
Agricultural Engineering
Douglas Hungwe, Saleem Ullah, Petri Kilpelainen, Sarut Theppitak, Lu Ding, Fumitake Takahashi
Summary: The study found that consecutive hydrothermal treatment and water washing of coconut fibers can effectively remove water-soluble and exchangeable potassium. This pretreatment approach can produce bio-oils that are inorganic-free, thermally stable, and chemically stable.
BIOMASS & BIOENERGY
(2021)
Article
Engineering, Multidisciplinary
Jiaqing Zhang, Yi Guo, Qingtao Chen, Chao Luo
Summary: This paper investigates the pyrolysis mechanisms of Nomex insulation paper in nitrogen and air environments. The results show that the pyrolysis behaviors in air differ significantly from those in nitrogen, with higher mass loss rate and lower thermal stability. Organic substances in the solid residue are mostly oxidized in air, leading to the production of larger amounts of H2O, CO2, CO, and NOx.
Article
Thermodynamics
Mohammad W. Amer, Jameel S. Aljariri Alhesan, Sawsan Ibrahim, Ghadeer Qussay, Marc Marshall, Omar S. Al-Ayed
Summary: The potential of producing biofuels from Jordanian corn leaf waste was studied, and the waste was characterized using various analysis methods. The results showed that higher oil yield was obtained at higher pyrolysis temperatures, with the gas yield and higher heating value increasing as the temperature increased.
Article
Chemistry, Analytical
Salman Raza Naqvi, Muhammad Naqvi, Abrar Inayat, Paula Blanco-Sanchez
Summary: This study investigates the impact of synthetic zeolites with different shapes and properties on the products of microalgae pyrolysis, showing that delaminated zeolites can more effectively promote deoxygenation reactions to produce aromatic compounds.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2021)
Review
Biochemistry & Molecular Biology
Sabah Mariyam, Shifa Zuhara, Prakash Parthasarathy, Gordon McKay
Summary: Py-GC/MS is a quick and highly effective method to analyse volatiles from small amounts of feeds, combining pyrolysis with GC and MS. This review focuses on using zeolites and other catalysts in the fast co-pyrolysis of various feedstocks to improve specific volatile product yields. Zeolite catalysts, especially HZSM-5, result in a synergistic reduction of oxygen and an increase in hydrocarbon content. The review also discusses the use of metal catalysts, self-catalytic feedstocks, and the combination of catalysts to improve aromatic yield during co-pyrolysis.
Article
Chemistry, Analytical
Yang Li, Bin Hu, Hao Fu, Zhen-xi Zhang, Zi-teng Guo, Guan-zheng Zhou, Ling-jun Zhu, Ji Liu, Qiang Lu
Summary: A barium-magnesium mixed metal oxide catalyst (BaMg-MMO) was developed for the selective production of 4-vinylphenol (4-VP) from bagasse fast pyrolysis. The effects of various parameters on the reaction were investigated, and BaMg-MMO showed promising catalytic performance in the formation of 4-VP during the fast pyrolysis of bagasse.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2022)
Article
Biochemistry & Molecular Biology
Tae Uk Khang, Min-Jae Kim, Jee In Yoo, Yu Jung Sohn, Sang Goo Jeon, Si Jae Park, Jeong-Geol Na
Summary: This study developed an analysis method using Py-GC/MS to determine PHA contents and monomer composition in microbial cells, providing a rapid and reliable approach for such analysis.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Chemistry, Analytical
Yansheng Huang, Daniel Takyi Sekyere, Jinhong Zhang, Yuanyu Tian
Summary: The fast pyrolysis behavior of mushroom bran (MB) and corn straw (CS) with high ash and high nitrogen content was studied using high heating rate TG-FTIR and PyGC/MS. The study found that at higher heating rates, there is an overlap of the decomposition of starch and hemicellulose, potentially promoting the formation of furan and furfural. Nitrogen tends to migrate from hydrogen cyanide to NH3 before 450 degrees C. Deoxidation and denitrification primarily occur between the pyrolysis temperature range of 300 degrees C to 350 degrees C. Staged pyrolysis interrupts the oil's continuous deoxidation process, and it reduces the selectivity of aldehydes and ketones in MB and CS pyrolysis. This study provides detailed pyrolysis characteristics for high nitrogen and ash content biomass.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2023)
Article
Chemistry, Analytical
Mpho Thabang Rapoo, Saranpreet Singh, Katie Chong, Scott Banks, Paula H. Blanco Sanchez
Summary: Through thermal and catalytic fast pyrolysis experiments, it was found that Prosopis juliflora can be processed as a mixture to achieve high yields of aromatics, eliminating the need for pre-separation. The use of zeolite-based catalysts improved product distribution and reduced the proportion of oxygenates.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2023)
Article
Chemistry, Analytical
Qianqian Guo, Zehuang Zhang, Lingqin Zhao, Xu Wang, Yanjun Hu
Summary: The release characteristics of oxygen-containing compounds and aromatics during the pyrolysis of waste tire (WT) and the co-pyrolysis of WT and bamboo sawdust (BS)/rice hull (RH) were analyzed at different temperatures. The proportion of oxygen-containing compounds showed a decreasing trend with increasing temperature, while the proportion of aromatics increased. Adding BS reduced the formation of nitrogen- and sulfur-containing organic compounds, while adding RH inhibited their formation. The results suggested that oxygen-containing free radicals released from BS promoted the transformation of rubber components into hydrocarbon products.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2023)
Article
Chemistry, Analytical
David O. Usino, Paivi Ylitervo, Adrian Moreno, Mika Henrikki Sipponen, Tobias Richards
Summary: Fast pyrolysis is an efficient method for producing fuels and chemicals from biomass, but the study found that mixing cellulose with hemicellulose or lignin significantly reduces saccharide production, and inhibits the formation of phenolic compounds from lignin in the presence of cellulose. Interestingly, there were no differences in product yields between the xylan-lignin blend and the individual components.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2021)
Article
Energy & Fuels
Sabah Mariyam, Mohammad Alherbawi, Naim Rashid, Tareq Al-Ansari, Gordon McKay
Summary: This study compares the effects of pyrolysis on single, binary, and ternary feeds and finds that the generated bio-oil has great potential for volatiles, diesel, and gasoline production. Future studies should focus on the effects of procedural parameters on bio-oil composition and employ additional molecular techniques to understand reaction mechanisms.
Article
Thermodynamics
Yuan Jiang, Peijie Zong, Bin Tian, Xue Ming, Fanfan Xu, Yuanyu Tian, Yingyun Qiao, Dawei Li, Qingshuo Song, Qiankun Yu
Summary: Studying the pyrolysis behavior of the saturate component in coal, which mainly consists of volatile substances, through the combined utilization of TG-FTIR and Py-GC/MS revealed a free radical reaction mechanism. The research provides a methodological model for exploring other group components and reveals specific details about the pyrolysis of coal.
Article
Thermodynamics
Fionnuala Murphy, Amanda Sosa, Kevin McDonnell, Ger Devlin
Article
Economics
Fionnuala Murphy, Kevin McDonnell
Article
Green & Sustainable Science & Technology
Fionnuala Murphy, Kevin McDonnell
Article
Agricultural Engineering
John O'Loughlin, Kevin McDonnell, John Finnan
BIOMASS & BIOENERGY
(2018)
Article
Biotechnology & Applied Microbiology
Joseph B. Sweeney, Cormac D. Murphy, Kevin McDonnell
ENZYME AND MICROBIAL TECHNOLOGY
(2018)
Review
Green & Sustainable Science & Technology
Mert Satir, Fionnuala Murphy, Kevin McDonnell
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2018)
Article
Agricultural Engineering
Gary D. Gillespie, Aoife A. Gowen, John M. Finnan, John P. Carroll, Damien J. Farrelly, Kevin P. McDonnell
BIOSYSTEMS ENGINEERING
(2019)
Article
Energy & Fuels
Vinay Virupaksha, Mary Harty, Kevin McDonnell
Article
Energy & Fuels
Kevin McDonnell, Levente Molnar, Mary Harty, Fionnuala Murphy
Article
Environmental Sciences
Ciara Beausang, Kevin McDonnell, Fionnuala Murphy
SCIENCE OF THE TOTAL ENVIRONMENT
(2020)
Article
Green & Sustainable Science & Technology
Gary D. Gillespie, Oyinlola Dada, Kevin P. McDonnell
Summary: Suppressed wool prices in Ireland have caused farmers to experience net losses per animal, as the cost of shearing exceeds the value of the wool. A study suggests that hydrolysed sheep wool could provide up to 15.8% of the nitrogen needed for Ireland's cereal crops, along with significant amounts of sulfur, zinc, and copper. The main cost associated with this process is purchasing wool at an economically favorable level. Based on the distribution of sheep, Athlone is identified as the most suitable location for a processing facility.
Article
Agronomy
Isabella Donnelly, Kevin McDonnell, John Finnan
Article
Agronomy
Michael G. O'Flynn, John M. Finnan, Edna M. Curley, Kevin P. McDonnell
Article
Agricultural Engineering
John O'Loughlin, Kevin McDonnell, John Finnan
BIOMASS & BIOENERGY
(2017)
Article
Agricultural Engineering
John O'Loughlin, John Finnan, Kevin McDonnell
BIOMASS & BIOENERGY
(2017)
Article
Agricultural Engineering
Yinping Xiang, Meiying Jia, Rui Xu, Jialu Xu, Lele He, Haihao Peng, Weimin Sun, Dongbo Wang, Weiping Xiong, Zhaohui Yang
Summary: This study investigated the impact of the non-antibiotic pharmaceutical carbamazepine on antibiotic resistance genes (ARGs) during anaerobic digestion. The results showed that carbamazepine induced the enrichment of ARGs and increased the abundance of bacteria carrying these genes. It also facilitated microbial aggregation and intercellular communication, leading to an increased frequency of ARGs transmission. Moreover, carbamazepine promoted the acquisition of ARGs by pathogens and elevated their overall abundance.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Weixin Zhao, Tianyi Hu, Hao Ma, Dan Li, Qingliang Zhao, Junqiu Jiang, Liangliang Wei
Summary: This review summarizes the effects and potential mechanisms of biochar on microbial behavior in AD systems. The addition of biochar has been found to promote microbial colonization, alleviate stress, provide nutrients, and enhance enzyme activity. Future research directions include targeted design of biochar, in-depth study of microbial mechanisms, and improved models.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Christina Karmann, Anna Magrova, Pavel Jenicek, Jan Bartacek, Vojtech Kouba
Summary: This review assesses nitrogen removal technologies in reject water treatment, highlighting the differences in environmental impacts and economic benefits. Partial nitritation-anammox shows potential for economic benefits and positive environmental outcomes when operated and controlled properly.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Wei-Hao Huang, Ying-Ju Chang, Duu-Jong Lee
Summary: This study modified pinecone biochar with layered double hydroxide (LDH) to enhance its adsorption capacity for heavy metal and phosphate ions. The LDH-biochar showed significantly improved adsorption capacities for Pb2+ and phosphate, and a slight increase for Cu2+ and Co2+. The LDH layer enhanced the adsorption through various mechanisms.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Chao Song, Fanfan Cai, Shuang Yang, Ligong Wang, Guangqing Liu, Chang Chen
Summary: This paper developed a machine learning model to predict the biochemical methane potential during anaerobic digestion. Model analysis identified lignin content, organic loading, and nitrogen content as key attributes for methane production prediction. For feedstocks with high cellulose content, early methane production is lower but can be improved by prolonging digestion time. Moreover, lignin content exceeding a certain value significantly inhibits methane production.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Sang Min Lee, Ju Young Lee, Ji-Sook Hahn, Seung-Ho Baek
Summary: This study successfully developed an efficient platform strain using Yarrowia lipolytica for the bioconversion of renewable resources into adipic acid, achieving a remarkable increase in production level.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Sefkan Kendir, Matthias Franzreb
Summary: This study presents a novel approach using magnetic separation to efficiently harvest freshwater microalgae, Chlorella vulgaris. By combining pH-induced calcium phosphate precipitation with cheap natural magnetite microparticles, harvesting efficiencies up to 98% were achieved in the model medium.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Ishaq Kariim, Ji-Yeon Park, Wajahat Waheed Kazmi, Hulda Swai, In-Gu Lee, Thomas Kivevele
Summary: The impact of reaction temperature, residence time, and ethanol: acetone on the energy compositions and yield enhancement of biocrudes was investigated. The results showed that under appropriate conditions, biocrudes with high energy and low oxygen content can be obtained, indicating a high potential for utilization.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Xiyue Zhang, Xiyao Li, Liang Zhang, Yongzhen Peng
Summary: Intermittent aeration is an innovative approach to enhance nitrogen removal in low carbon-to-nitrogen ratio municipal sewage, providing an efficient strategy for the continuous plug-flow AOA process.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Xu Yang, Mahmoud Mazarji, Mengtong Li, Aohua Li, Ronghua Li, Zengqiang Zhang, Junting Pan
Summary: This study investigated the impact of magnetite on the nitrogen cycle of pig manure biostabilisation. The addition of magnetite increased N2O emissions and decreased NH3 emissions during composting. It also increased the total nitrogen content but should be considered for its significant increase in N2O emissions in engineering practice.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Ty Shitanaka, Haylee Fujioka, Muzammil Khan, Manpreet Kaur, Zhi-Yan Du, Samir Kumar Khanal
Summary: The market value of microalgae has exponentially increased in the past two decades, thanks to their applications in various industries. However, the supply of high-value microalgal bioproducts is limited due to several factors, and strategies are being explored to overcome these limitations and improve microalgae production, thus increasing the availability of algal-derived bioproducts in the market.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Martin Kerner, Thorsten Wolff, Torsten Brinkmann
Summary: The efficiency of using enriched CO2 from flue gas for large-scale production of green microalgae has been studied. The results show that the use of membrane devices and static mixers can effectively improve the CO2 recovery rate and maintain the suitable pH and temperature during cultivation, achieving a more economical and sustainable microalgae production.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Rui Ma, Ji Li, Rd Tyagi, Xiaolei Zhang
Summary: This review summarizes the microorganisms capable of using CO2 and CH4 to produce PHAs, illustrating the production process, factors influencing it, and discussing optimization techniques. It identifies the challenges and future prospects for developing economically viable PHAs production using GHGs as a carbon source.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Bing Wang, Peng Zhang, Xu Guo, Xu Bao, Junjie Tian, Guomin Li, Jian Zhang
Summary: The addition of zeolite in the co-composting of chicken manure and straw significantly reduced the emissions of ammonia and N2O, and increased the nitrate content. Zeolite also promoted the abundance of nitrification genes and inhibited the expression of denitrification genes.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Rohit Dey, Franziska Ortiz Tena, Song Wang, Josef Martin Messmann, Christian Steinweg, Claudia Thomsen, Clemens Posten, Stefan Leu, Matthias S. Ullrich, Laurenz Thomsen
Summary: This study investigated the operation of a 1000L microalgae-based membrane photobioreactor system for continuous secondary wastewater treatment. The research focused on a green microalgae strain called Desmodesmus sp. The study aimed to understand key trends and optimization strategies by conducting experiments in both summer and winter seasons. The findings showed that maintaining low cell concentrations during periods of light inhibition was beneficial for nutrient uptake rates. Effective strategies for enhancing algae-based wastewater treatment included cell mass recycling and adjusting dilution rates based on light availability.
BIORESOURCE TECHNOLOGY
(2024)