Article
Energy & Fuels
Wojciech Czekala
Summary: The possibility of using digestate solid fraction (DSF) for biofuel production was explored, revealing that DSF still has energy potential post-anaerobic digestion and can be a valuable substrate for solid biofuels production.
Article
Agronomy
Eniko Kovacs, Maria-Alexandra Hoaghia, Lacrimioara Senila, Daniela Alexandra Scurtu, Cerasel Varaticeanu, Cecilia Roman, Diana Elena Dumitras
Summary: As the population and living standards increase globally, the use of energy and materials has also been on the rise. A study has shown that converting vine shoot waste into pellets/briquettes biofuels has a lower negative impact on the environment compared to the production of bioethanol.
Article
Green & Sustainable Science & Technology
Dustin Mulvaney, Ryan M. Richards, Morgan D. Bazilian, Erin Hensley, Greg Clough, Seetharaman Sridhar
Summary: The global economy continues to unsustainably use over 90% of natural resources; the linear take-make-toss approach prevails over circular economy practices; impacts from resource extraction in mining and extractives industries can be severe.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Green & Sustainable Science & Technology
Karolina Safarzynska, Lorenzo Di Domenico, Marco Raberto
Summary: The current macroeconomic models of the circular economy have unrealistic assumptions and often neglect price and demand adjustments. This paper proposes a novel agent-based model that combines the circular economy with climate cycles and opinion dynamics. The study compares the macroeconomic consequences of different levels of material recycling and finds that increased recycling leads to decreased global temperature and resource depletion. Transitioning to renewable energy has a rebound effect on material usage, and the circular economy's effectiveness depends on the frequency of material recycling.
JOURNAL OF CLEANER PRODUCTION
(2023)
Review
Environmental Sciences
Krishnamayee Mallick, Aishwarya Sahu, Navneet Kumar Dubey, Alok Prasad Das
Summary: This article summarizes recent research on energy recycling from marine discarded plastics, which degrades plastic debris and transforms it into energy-efficient products through biological, chemical, and thermal processes. The results show that these technologies can reduce the volume of marine plastics by up to 89% and greenhouse gas emissions by 30%. Moreover, recycling marine discarded plastics can save landfill space, energy, and oil. Therefore, converting marine plastics into alternative energy sources is a feasible and significant solution to the growing energy demands.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Review
Environmental Sciences
Zohaib Saddique, Muhammad Imran, Shoomaila Latif, Ayesha Javaid, Shahid Nawaz, Nemira Zilinskaite, Marcelo Franco, Ausra Baradoke, Ewa Wojciechowska, Grzegorz Boczkaj
Summary: This review focuses on the conversion of microalgal lipids into biodiesel using catalysts based on advanced materials, such as nanomaterials and metal-organic frameworks (MOFs). These materials offer high conversion rates (>90%) and simplify the industrial-scale application of biodiesel production from microalgae by eliminating the need for high pressure and temperature. Green biodiesel production from microalgae outperforms fossil fuels in terms of performance, quality, and environmental impact. The chemical and thermal stability of advanced materials, particularly MOFs, contribute to catalyst recycling and reduction of biodiesel contamination. Future studies should address waste management, product quality control, and catalyst stability and recycling.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Multidisciplinary Sciences
Octavio Pimenta Reis Neto
Summary: This article examines the socio-economic, energetic and CO(2 )emissions' impact of a large-scale integrated plant for treating Municipal Solid Waste (MSW) in the Metropolitan Region of Sao Paulo (MRSP), Brazil. It shows that introducing recyclables massively into the economy can reduce energy demand and carbon emissions, while increasing GDP and formal job positions.
Article
Green & Sustainable Science & Technology
David Knable, Esther de Quevedo Puente, Clara Perez-Cornejo, Thomas Baumgaertler
Summary: The circular economy has a significant impact on sustainable development, with positive effects on the economy, environment, and society. The impact of each source of value in the circular economy varies, with renewable energy and reuse reducing environmental impact, recycling having no effect, and repair increasing greenhouse gas emissions.
SUSTAINABLE PRODUCTION AND CONSUMPTION
(2022)
Article
Thermodynamics
Konstantinos Moustakas, Maria Loizidou, Jiri Klemes, Petar Varbanov, Jian Li Hao
Summary: This article introduces a virtual special issue of ENERGY, which features 35 top-notch selected extended papers on cutting-edge research in waste-to-energy, circular economy, greenhouse gas reduction, and sustainable waste management systems.
Article
Environmental Sciences
Mingyue Xu, Min Yang, Haishu Sun, Ming Gao, Qunhui Wang, Chuanfu Wu
Summary: Biowaste, with its organic and biodegradable components, is a major cause of environmental contamination but also a valuable source of materials. Transforming biowaste into energy and resources through biorefinery is an inevitable trend that can help reduce carbon emissions and address the energy crisis. The current pandemic and global difficulties present an opportunity to promote greener energy and sources. This review examines the advancements and potential trends in utilizing widely available biowaste to produce key biofuels and resources.
ENVIRONMENTAL RESEARCH
(2022)
Review
Environmental Sciences
Mathilde Rosenberg Johansen, Thomas Budde Christensen, Tiffany Marilou Ramos, Kristian Syberg
Summary: Although plastic is widely used, the linear economy poses risks to human health. The circular plastic economy aims to reduce, reuse, and recycle all plastic across the value chain. Current literature focuses heavily on the end-of-life phase, neglecting other phases and highlighting challenges such as waste stream contamination and limitations on recycling and reusing plastic. Collaboration and systemic transparency are needed for a successful transition to a circular economy.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Environmental Sciences
Linlin Lu, Wei Fan, Shengbo Ge, Rock Keey Liew, Yang Shi, Hao Dou, Shujuan Wang, Su Shiung Lam
Summary: This paper reviews the current progress of recycling and reuse of waste silk, which is a result of the improvements in living standards and the throw away culture of mankind. The utilization of waste silk in various applications, such as energy, fabric, composites, skincare, biological tissue engineering, filtration, and electronics, is explored. The modification, optimization, and application of regenerated silk fibroin extracted from waste silk show great potential for industrialization and sustainable development. Furthermore, making waste silk functional and intelligently wearable provides two promising ways for recycling waste silk with low cost and high return value. The recovery and utilization of waste silk serve as a paradigm for valorization of other fiber-based waste materials.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Green & Sustainable Science & Technology
Thomas Budde Christensen
Summary: Designing circular economy policies and planning approaches in cities is an emerging research field. This article aims to analyze how municipalities can support and facilitate the circular economy through various governance forms. By collaborating with local stakeholders, municipalities can play an important role in driving the transition towards a circular economy.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Green & Sustainable Science & Technology
Hanna Salmenpera, Kati Pitkanen, Petrus Kautto, Laura Saikku
Summary: The study shows that different actors in promoting the circular economy face varying obstacles, and promoting material value retention in cycles can be achieved through better sharing of waste-related data and increased dialogue and cooperation among key players.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Green & Sustainable Science & Technology
Katarina Novakovic, Deepashree Thumbarathy, Marloes Peeters, Mark Geoghegan, Josephine Go Jefferies, Chris Hicks, Danae Manika, Sheng Dai
Summary: Interest in recycling is high, but plastic packaging waste recycling rate has stagnated. New approaches are needed to overcome existing limitations. Proposing the use of specific types of plastic for packaging and efficient separation of individual types for recycling.
SUSTAINABLE MATERIALS AND TECHNOLOGIES
(2023)
Article
Chemistry, Physical
Yangbing Han, Jiarui Wu, Lingqiao Tang, Xuguang An, Xiangjun Yang, Tao Li, Qingyuan Wang, Xiaoqiang Wu
Summary: NiFe-based layer double hydroxides (NiFe-LDHs) have been widely recognized for their ability to enhance the oxygen evolution reaction (OER) in alkaline solutions. In this study, the introduction of different elements (M = Zn, Cu, Al, Cr, and Mn) into NiFe-x (x = 2-8) is investigated to further improve the OER performance. The introduction of element M, particularly Zn, significantly contributes to the OER performance, with NiFeZn-4 demonstrating low overpotential and high endurance. Long-term operation and accelerated testing further optimize the impedance and enhance the OER durability of NiFeZn-4.
APPLIED SURFACE SCIENCE
(2023)
Article
Energy & Fuels
Min Xiong, Jin Huang, Xinrui He, Zhihui Zhou, Xiangjiang Qu, Shah Faisal, Abdelfatah Abomohra
Summary: The present study evaluated the total energy output and economic feasibility of biodiesel production coupled with value-added nitrogen-containing compounds through co-pyrolysis of low-and high-protein bio-waste. The co-pyrolysis process resulted in higher bio-oil yield and increased proportion of fatty acids/esters compared to individual pyrolysis. Transesterification of the co-pyrolyzed bio-oil showed a significantly higher biodiesel proportion and total energy output than conventional bio-oil production. The presence of value-added nitrogen-containing compounds in the co-pyrolyzed bio-oil also added additional revenue potential.
Article
Engineering, Mechanical
Qing-Yun Deng, Shun-Peng Zhu, Xiaopeng Niu, Grzegorz Lesiuk, Wojciech Macek, Qingyuan Wang
Summary: This study defines a simple and applicable method to quantify the effect of non-proportional loading on fatigue life and proposes a new fatigue damage parameter. Experimental data validation shows that this method effectively evaluates the multiaxial fatigue life of materials under non-proportional loadings.
INTERNATIONAL JOURNAL OF FATIGUE
(2023)
Article
Chemistry, Physical
Shenquan Yang, Haolin Qin, Chunlin Zhou, Hanjun Wei, Pei Feng, Jimei Xue, Zhijun Wang, Feng Zhao, Qingyuan Wang
Summary: This study successfully grew a multidimensional nanostructure, consisting of matchstick-like SiCnws and carbon nanoclusters, in a porous Yb2Si2O7 ceramic using precursor infiltration and pyrolysis. The increase in precursor infiltrations resulted in a higher content of absorber (SiCnws and carbon) and the formation of a multidimensional nanostructure, leading to increased conductivity loss, interfacial polarization loss, and dipole polarization loss. The YbSiOC ceramics with a 28.2 wt% absorber content achieved a minimum reflection loss of -50.0 dB at 9.39 GHz and an effective absorption bandwidth of 4.2 GHz in the X band. The matchstick-like SiCnws and carbon nanoclusters created a multidimensional network structure that facilitated multiple reflections and scattering of electromagnetic waves in YbSiOC ceramics, making them suitable for applications in water-vapor environments.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
Jiayi Liu, Jikai Shi, Shaoxiong Xie, Bo Wu, Jianguo Zhu, Qingyuan Wang
Summary: This study designs a ternary lead-free ceramic material system and reveals its microstructure evolution mechanism and electrical behaviors. The results show that the ceramic material exhibits excellent performance in various applications, making it promising for better applications in high precision displacement or strain actuators.
MATERIALS CHARACTERIZATION
(2023)
Article
Construction & Building Technology
Hongen Zhang, Bei He, Xinping Zhu, Qingyuan Wang, Zhengwu Jiang
Summary: This study investigates the flexural performance of ultra-high performance concrete (UHPC) under different temperature conditions. The results show that the in-situ-170℃ condition enhances flexural strength and toughness due to frozen water and improved bond strength. A non-linear relationship between deflection and flexural strength is observed at different temperatures. The presence of shear cracks in the linear-elastic stage is attributed to the fracture process of frozen water. Cryogenic-induced ductility degradation is observed in the flexural behavior of UHPCs, which is attributed to higher energy release rate. Pre-exposure to 200℃ reduces the positive influence of cryogenic temperature and the negative effect of cryogenic temperature on ductility due to initiated cracks around steel fibers.
CEMENT & CONCRETE COMPOSITES
(2023)
Article
Engineering, Mechanical
Yu-Huai Xie, Qiang Liu, Shun-Peng Zhu, Haihe Sun, Yun He, Qingyuan Wang
Summary: In this study, a novel model for turbine disk burst speed assessment is proposed, which utilizes the average stress approach and introduces the notch strength ratio and stress triaxiality parameter to characterize the stress field and stress state. The model is validated and compared using disk overspeed test data, and it is found to match the experimental results well. Furthermore, a probabilistic framework is developed to account for material property dispersion, and the model is extended to a probabilistic one. Finally, the relationship between safety margin and reliability index is established, providing a reference for reliability-based design and evaluation of turbine disk.
ENGINEERING FAILURE ANALYSIS
(2023)
Article
Materials Science, Multidisciplinary
Mao Li, Xiaobao Tian, Wentao Jiang, Qingyuan Wang, Haidong Fan
Summary: Discrete dislocation dynamics simulations were used to study the mechanical behavior and dislocation evolution of Mg single-crystals compressed along c-axis. The results showed that basal-transition is an important mechanism for the strong strain hardening observed during c-axis compression. The basal-transition behavior also explained the formation of dislocation loops and steps observed in experiments.
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS
(2023)
Article
Chemistry, Multidisciplinary
Hongping Zhang, Pengfei Tang, Youhong Tang, Chenghua Sun, Kun Yang, Wei Feng, Qingyuan Wang
Summary: Solar water purification technology is an effective and affordable method for obtaining fresh water. However, the efficiency of purification is limited by high ion concentration, organic pollution, and biological pollution. In this study, a porous hydrogel membrane (Fe/TA-TPAM) was developed for the purification of contaminated water. The membrane has good light absorption and photothermal conversion abilities, resulting in high evaporation rates and solar efficiency. With the addition of tannic acid (TA) and Ti3C2 MXenes, the Fe/TA-TPAM membrane exhibits satisfactory purification properties for organic-contaminated and biologically contaminated water. These findings provide a novel strategy for designing advanced photothermal conversion membranes for water purification.
Article
Materials Science, Multidisciplinary
Hanjun Wei, Shenquan Yang, Pei Feng, Chunlin Zhou, Jimei Xue, Cunxian Wang, Lianyang Chen, Feng Zhao, Qingyuan Wang
Summary: SiCTi ceramics were prepared by PDCs technology using Ti modified polycarbosilane (PCS), which achieved adjustable dielectric and EM wave absorption properties. The addition of Ti reduced free carbon and induced the growth of SiCnws, resulting in a three-dimensional network structure and multiple loss media. By constructing hetero-interfaces and optimizing the composition, effective EM wave absorption can be achieved in high temperature applications.
MATERIALS CHARACTERIZATION
(2023)
Article
Engineering, Environmental
Ding Jiang, Hongping Li, Xiaoxue Cheng, Qifan Ling, Hao Chen, Bahram Barati, Quanfeng Yao, Abdelfatah Abomohra, Xun Hu, Pietro Bartocci, Shuang Wang
Summary: Biomass based activated carbon material was prepared by NaOH activation method using macroalgae as raw material to adsorb methylene blue. The activated adsorbent exhibited high specific surface area (1238.491 m(2) g(-1)) and mesoporous slit structure. The study investigated the effects of impregnation ratio, amount of adsorbent, pH, and contact time on the adsorption activity, and discussed the adsorption kinetics, molecular dynamics, and density functional theory. The SWAC achieved a maximum MB removal efficiency of 98.56% at 30°C and pH 5, attributed to its large specific surface area and presence of graphitic N sites for high electronegativity, facilitating stable adsorption of MB molecules through pi-pi stacking, cation-pi interaction, and electrostatic interaction.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Article
Polymer Science
Shuo Wang, Sen Tang, Chao He, Qingyuan Wang
Summary: The main purpose of this study is to analyze the fatigue failure of thermoplastic polyurethane (TPU) plate under tension-tension load control tests and investigate the change in hydrogen bond content. The results indicate that the S-N curve of TPU material exhibits a declining trend before reaching the fatigue limit, with energy consumption occurring during the cyclic creep process and undergoing three stages of hard segment and soft segment changes. The study also reveals that an increase in fatigue life leads to a decrease in hydrogen bond content and an increase in microphase separation, resulting in fatigue fracture.
Article
Chemistry, Multidisciplinary
Peng Zhang, Zhaowei Teng, Lei Zhao, Zhichao Liu, Xue Yu, Xiaodie Zhu, Songcheng Peng, Ting Wang, Jianbei Qiu, Qingyuan Wang, Xuhui Xu
Summary: Here, we explore a Nafion@Ag@ZnS/polydimethylsiloxanes (PDMS) composite sensor that provides the description of mechanical action through optics and electronics signals simultaneously. This sensor detects and visualizes the magnitude, direction, velocity, mode of mechanical stimulation, and stress distribution. It also demonstrates outstanding cyclic stability, linearity response character, and rapid response time.
Article
Materials Science, Multidisciplinary
Bo Yang, Qiong He, Hui Wang, Cunyu Wang, Fengjiao Guo, Rong Hu, Chang Wang, Guohua Fan, Qingyuan Wang, Wenquan Cao, Chongxiang Huang
Summary: A new type of austenite-martensite dual-phase laminate steel was produced, which had a yield strength of 2.2 GPa, ultimate tensile strength of 2.5 GPa, uniform elongation of 9.4%, and total elongation of 12%. These unexpected mechanical properties were mainly attributed to the synergistic strengthening of nanolaminate microstructure, high densities of dislocations, and nanoprecipitates. The high uniform elongation at very high stress could be attributed to the strongly enhanced work hardening rate, mainly enabled by transformation-induced plasticity (TRIP) of the austenite reverted by annealing, as well as the cooperative deformation and stress/strain partitioning between the austenite-martensite stacked nanolaminate.
MATERIALS RESEARCH LETTERS
(2023)
Article
Engineering, Mechanical
Yujia Liu, Bo Xu, Sen Tang, Lang Li, Chao He, Chong Wang, Qingyuan Wang
Summary: This paper presents a thermodynamic characterization method for estimating the internal crack growth rate in very high cycle fatigue research. It discusses a theoretical approach for surface temperature considering crack size, initiation site, and time for thin sheet material. Infrared thermography is used to study the inner crack behavior and heat dissipation phenomenon on high-strength stainless steel under 20 kHz vibration loading. A numerical simulation reveals the temperature elevation on surfaces caused by heat generation at the crack tip and heat conduction. Ultimately, the internal crack growth rate and final fatigue failure prediction are obtained by combining the calculation of heat dissipation and the observed evolution of the surface temperature field.
INTERNATIONAL JOURNAL OF FATIGUE
(2023)
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)
