Article
Environmental Sciences
Stephanie Cosgrove, Bruce Jefferson, Peter Jarvis
Summary: This research explores the potential of using activated carbon fabric as a sorbent material to remove pesticides from agricultural run-off, and provides evidence that it can effectively reduce the pollution of water sources used for drinking.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Engineering, Environmental
Zhen Wang, Ying Fang, Ying Yang, Bo Qiu, Tong Zhang, Haipu Li, Wenbo Zhao
Summary: This study successfully synthesized a novel nanocomposite ε-MnO2@MIL-100(Fe) for simultaneous oxidation and adsorption of p-Arsanilic acid (p-ASA), demonstrating excellent removal performance. Manganese oxide was responsible for the oxidation of p-ASA, while MIL-100(Fe) played a dominant role in in-situ adsorption through coordination, hydrogen bonding, and π-π stacking. The composite showed high removal efficiency for p-ASA in a wide pH range and was stable in the presence of co-existing substances, making it suitable for p-ASA removal in natural water bodies.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Nanoscience & Nanotechnology
Fengqi Zhang, Ivan Batashev, Niels van Dijk, Ekkes Bruck
Summary: The influence of off-stoichiometry and Ta doping in (Mn,Fe)2(P,Si)-based compound was studied. Ta substitution decreases the transition temperature Ttr while the thermal hysteresis dThys remains constant. A low Ta doping enhances the magnetocaloric effect (MCE). For Mn0.6Fe1.27-yTayP0.64Si0.36 with y = 0.01, the magnetic entropy change dSm increases by 30.7% compared to the undoped material for a 1 T magnetic field change. Occupancy of substitutional Ta atoms was determined by XRD and DFT calculations. The Ttr shift and enhanced MCE upon Ta doping are attributed to the competition between weakening of magnetic exchange interactions and strengthening of hybridization. Our studies provide strategies for further optimizing the MCE of this material family.
SCRIPTA MATERIALIA
(2023)
Article
Engineering, Environmental
Tao Yang, Linqian An, Ge Zeng, Maoju Jiang, Juan Li, Changyu Liu, Jianbo Jia, Jun Ma
Summary: This study investigates the efficiency and mechanism of Fe(II)/PAA and PAA processes in oxidizing p-ASA and As(III). Fe(II)/PAA process rapidly degrades p-ASA to the toxic As(V) at neutral to acidic pHs, while PAA process is effective in oxidizing As(III). The generation of hydroxyl radicals and organic radicals from PAA contributes to the degradation of p-ASA, and PAA shows potential for the oxidation of As(III).
Article
Food Science & Technology
Guo-Zhi Ji, Xiao-Min Li, Yang Dong, Yu-Dong Shi
Summary: This paper comprehensively describes the composition, formation mechanism, and removal methods of odor compounds in soymilk products. The main off-odor compounds are produced by the enzymatic and nonenzymatic oxidation of unsaturated fatty acids. Currently, physical methods, particularly heat treatment, are the most effective for removing the off-odor. With the development of no beany soybean breeding technology, a combination of multiple methods will become a technical trend for removing off-odor.
JOURNAL OF FOOD SCIENCE
(2022)
Article
Engineering, Environmental
Jun Wu, Guoyong Huang, Xuesong Cao, Yanhui Dai, Lingzhan Miao, Jun Hou, Baoshan Xing
Summary: The study found that the reaction products between FeS and pollutants can promote the growth of pak choi and decrease disease incidence. Additionally, the selenium content in plants also increased, which is beneficial for dietary intake.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Engineering, Geological
L. G. C. S. Correia, M. Ehrlich, M. B. Mendonca, C. N. Keim
Summary: This study investigated the clogging effect of ochre on geotextile filters through column tests and found that ochre formation is reduced under submerged conditions, and reductive dissolution can reverse the clogging of the filter.
CANADIAN GEOTECHNICAL JOURNAL
(2022)
Article
Engineering, Geological
L. G. C. S. Correia, M. Ehrlich, M. B. Mendonca, C. N. Keim
Summary: Column tests were conducted to understand the factors leading to the clogging of drainage systems due to ochre formation. It was found that ochre formation decreased substantially in submerged filters due to lower oxygen availability. Percolation with D-glucose reduced oxygen content, lowered pH, and stimulated iron-reducing bacteria, which reversed clogging.
CANADIAN GEOTECHNICAL JOURNAL
(2023)
Article
Engineering, Environmental
Gulnara Maniakova, Irene Salmeron, Marina Aliste, Maria Inmaculada Polo-Lopez, Isabel Oller, Sixto Malato, Luigi Rizzo
Summary: Solar photo-Fenton (SPF) and ozonation were compared for the degradation of emerging contaminants in urban wastewater. Ozonation had a faster degradation rate, while SPF had lower toxicity levels. Chronic toxicity was observed even after 80% removal of the contaminants by both methods.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Metallurgy & Metallurgical Engineering
Qiang Zhao, Baibing Yang, Haowen Ren, Shihong Chen, Chunhui Luo, Quande Li, Wei Yang, Kangping Yan
Summary: The discharge of wastewater containing Cr(VI) and the accumulation of Fe-P slag pose a threat to the environment and human health. This paper proposes an approach that uses Fe-P slag as a reducing agent to completely remove Cr(VI) from the wastewater. Experimental study shows that the temperature and dosage of Fe-P slag significantly affect the reaction kinetics and removal efficiency. A simplified industrial procedure is also proposed for Cr(VI) removal without additional power input.
Article
Computer Science, Interdisciplinary Applications
Susumu Okumura
Summary: Reusing end-of-life products is an effective way to reduce environmental waste. This study develops a reuse-efficiency model to quantitatively evaluate the extent of reuse of these products. The model takes into account factors such as product durability, collection rate of end-of-life products, and maximum number of reuse cycles. The study aims to maximize the reuse efficiency per unit cost to determine the optimal product durability, collection rate, and maximum reuse cycles. The findings provide insights for promoting product redistribution and reuse, contributing to an improved circular economy.
COMPUTERS & INDUSTRIAL ENGINEERING
(2022)
Article
Geography, Physical
Timur Ersoz, Kyoka Haneda, Anna Kuribayashi, Yutaka Gonda
Summary: The risk of lahars changes over time due to the accumulation and erosion of volcanic ash. A study conducted in the Arimura River basin of Sakurajima volcano in Japan between 2015 and 2020 reveals temporal changes in lahar sediment run-off properties and run-off coefficients. X Band Multi-Parameter (XMP) radars and Load, Vibration, Pressure (LVP) sensors were used to gather precipitation and sediment data, respectively. The kinematic wave model and LVP sensor analysis indicate that volcanic activity affects the changes in run-off coefficients, and irregular lahars carry larger sediment concentrations compared to regular lahars.
EARTH SURFACE PROCESSES AND LANDFORMS
(2023)
Article
Engineering, Chemical
Hassan Sakiani, Seyed Hadi Tabaian, Jian Chen
Summary: The study investigated the effect of alumina crucible on the solvent refining of silicon by the Si-Ca-Fe system. It was found that higher Ca or Fe content resulted in higher removal rates, with directional solidification showing the best overall removal rates and a greater impact on B reduction.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Economics
Laurent Bouton, Jorge Gallego, Aniol Llorente-Saguer, Rebecca Morton
Summary: Experimental study compares the coordination of votes between majority run-off system and plurality rule, finding stronger coordination forces in some cases under plurality. However, differences in voting behavior do not significantly impact electoral outcomes and voters' welfare.
Article
Environmental Sciences
Thaissa Juca Jardim Oliveira, Anibal da Fonseca Santiago, Maria Celia da Silva Lanna, Gislaine Fongaro, Natalia Ladeira Milagres, Thalita Ramos Cunha, Andreiza Lika Ito Correa
Summary: The Brazilian Biodigester Septic Tank (BBST) is an on-site appropriate technology for blackwater treatment that aims to produce effluent suitable for agricultural use. This study evaluated the system's performance in removing human adenovirus, Enterococcus spp., Salmonella sp., and Escherichia coli and confirmed that the effluent meets World Health Organization standards for subsurface irrigation and use in crops away from soil.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Engineering, Environmental
Dominik Zak, Brian Kronvang, Mette Carstensen, Carl C. Hoffmann, Ane Kjeldgaard, Soren E. Larsen, Joachim Audet, Sara Egemose, Charlotte A. Jorgensen, Peter Feuerbach, Flemming Gertz, Henning S. Jensen
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2018)
Article
Water Resources
Sara Egemose
URBAN WATER JOURNAL
(2018)
Article
Limnology
Lukasz Koziel, Mette Juhl, Sara Egemose
Editorial Material
Engineering, Environmental
Kasper Reitzel, William W. Bennett, Nils Berger, Will J. Brownlie, Sander Bruun, Morten L. Christensen, Dana Cordell, Kimo van Dijk, Sara Egemose, Herbert Eigner, Ronnie N. Glud, Outi Gronfors, Ludwig Hermann, Sabine Houot, Michael Hupfer, Brent Jacobs, Leon Korving, Charlotte Kjaergaard, Henrikki Liimatainen, Mark C. M. Van Loosdrecht, Katrina A. Macintosh, Jakob Magid, Frederico Maia, Julia Martin-Ortega, John McGrath, Roel Meulepas, Michael Murry, Tina-Simone Neset, Gunter Neumann, Ulla G. Nielsen, Per H. Nielsen, Vincent O'Flaherty, Haiyan Qu, Jakob Santner, Verena Seufert, Bryan Spears, Lindsay C. Stringer, Marc Stutter, Peter H. Verburg, Philipp Wilfert, Paul N. Williams, Genevieve S. Metson
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2019)
Article
Green & Sustainable Science & Technology
Claudia S. Karlsen, Mogens R. Flindt, Melanie J. Sonderup, Martin H. Madsen, Sara Egemose
Article
Green & Sustainable Science & Technology
Thor Kolath, Lotte Reuss, Sara Egemose, Kasper Reitzel
Article
Green & Sustainable Science & Technology
Sara Egemose, Anne B. Petersen, Melanie J. Sonderup, Mogens R. Flindt
Article
Green & Sustainable Science & Technology
Ditte M. R. Jensen, Anja T. H. Thomsen, Torben Larsen, Sara Egemose, Peter S. Mikkelsen
Article
Environmental Sciences
Niels Svane, Mogens R. Flindt, Ronja N. Petersen, Sara Egemose
Summary: Using a low-cost UAV platform for stream monitoring and management provides high-resolution data and shows significant correlation with traditional monitoring methods.
ENVIRONMENTAL TECHNOLOGY
(2022)
Article
Geography, Physical
Niels Svane, Troels Lange, Sara Egemose, Oliver Dalby, Aris Thomasberger, Mogens R. Flindt
Summary: Using Unoccupied Aerial Vehicles (UAVs) for monitoring seagrass communities offers a more efficient and cost-effective alternative to traditional methods like in-water surveys and Remote Operated Vehicles (ROVs). The study demonstrates the feasibility of delineating and classifying two species of seagrass, as well as deriving statistically significant conversions of percentage cover to biomass. The results presented provide valuable insights for enhancing understanding of eelgrass ecosystem dynamics through spatial and temporal analyses.
PROGRESS IN PHYSICAL GEOGRAPHY-EARTH AND ENVIRONMENT
(2022)
Article
Green & Sustainable Science & Technology
Anja Svane Kolath, Camilla S. Pedersen, Uffe L. Gangelhof, Sara Egemose
Summary: This study examined how design aspects such as age, wet volume ratio, and land use influence the retention and biodiversity of stormwater ponds. Results showed that the load of contaminants in the sediment and the pond biodiversity are affected by the pond ratio, catchment type, and to some extent, age.
Article
Environmental Sciences
Theis Kragh, Thor Kolath, Anja Svane Kolath, Kasper Reitzel, Kenneth Thoro Martinsen, Martin Sandergaard, Carl Christian Hoffmann, Lars Baastrup-Spohr, Sara Egemose
Summary: The water quality of lakes is influenced by external phosphorus loading, which has been significantly reduced in European lakes due to improved wastewater treatment. This study analyzed data from new Danish lakes and found no apparent relationship between lake water quality and catchment characteristics. Additionally, various methods were used to predict external phosphorus loading, with reliable predictions but generally overestimated phosphorus concentrations, particularly in nutrient-poor and recently established lakes. Internal phosphorus loading was found to be the most important factor in predicting achievable water quality.
Article
Water Resources
Anja Svane Kolath, Sara Egemose
Summary: This study examined the temperature effect of the urban village Aarslev on Stream Vindinge in Southern Denmark. It found that urban areas can cause a rise in stream temperature, with the most notable increase occurring in the summer months. The rise in temperature was confirmed to be due to the urban heat island effect.
Article
Environmental Sciences
Dominik Zak, Marc Stutter, Henning S. Jensen, Sara Egemose, Mette V. Carstensen, Joachim Audet, John A. Strand, Peter Feuerbach, Carl C. Hoffmann, Benjamin Christen, Sandra Hille, Mads Knudsen, Jenni Stockan, Helen Watson, Goswin Heckrath, Brian Kronvang
JOURNAL OF ENVIRONMENTAL QUALITY
(2019)