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Quality and health risk assessment of trace elements in groundwater within the Vea catchment of the Upper East Region, Ghana

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International Journal of Energy and Water Resources 2025年第1期9卷 103-111页

作者： Zango, M.S. Pelig-Ba, K.B. Anim-Gyampo, M. Gibrilla, A. Abu, M. Department of Geological Engineering School of Engineering University for Development Studies Tamale Ghana Department of Applied Chemistry and Biochemistry Faculty of Applied Sciences CK Tedam University of Technology and Applied Sciences Navrongo Ghana Water Resources Research Center National Nuclear Research Institute Ghana Atomic Energy Commission Legon-Accra Ghana Department of Water Resources and Aquaculture Management School of Sustainable Development University of Environment and Sustainable Development Eastern Region Somanya Ghana

Increasingly, contamination of groundwater by trace elements (TEs) with their accompanying health effects on humans is on the rise and requires continuous monitoring to allow for evaluation purposes. The water quality and health risks of TEs in groundwater in the Vea catchment in the Upper East Region of Ghana had been evaluated using the Nemerow pollution index, contamination index, hazard quotient (HQ), hazard index, and cancer risk assessment tools. Results from sampled boreholes in the study area indicated that the levels of Mn, Fe, Zn, As, Ni, and Pb exceeded the WHO’s acceptable limits for drinking water. Analysis of estimated contamination indices revealed that groundwater in the area was moderate to highly contaminated. The HQ, hazard indices, as well as carcinogenic risk assessment values indicated that adults and children were prone to potential non-carcinogenic and carcinogenic health-related issues such as anemia and cancer of the kidney. The southern, central, northern, and northeastern parts of the catchment were potentially at high risk of both non-carcinogenic and carcinogenic health issues due to exposure to As-, Ni-, and Pb-contaminated groundwater. Bongo, Somborogo, and Kabere communities in the study area require particular attention and monitoring for these TEs’ contamination. © The Author(s), under exclusive licence to Iranian Society of Environmentalists (IRSEN) and Science and Research Branch, Islamic Azad University 2024.

关键词： Groundwater quality Risk assessment Trace elements Upper East Region Vea catchment

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Microplastics in the seawater of the Beibu Gulf,the northern South China Sea:occurrence,sources,and ecological risk

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Journal of Oceanology and Limnology 2025年第2期43卷 406-421页

作者： Zuhao ZHU Qiongyuan SU Huihua WEI Lang LIN Liangliang HUANG Guangxi Key Laboratory of Beibu Gulf Marine Resources Environment and Sustainable DevelopmentFourth Institute of OceanographyMinistry of Natural ResourcesBeihai 536000China Key Laboratory of Tropical Marine Ecosystem and Bioresource Fourth Institute of OceanographyMinistry of Natural ResourcesBeihai 536000China College of Environmental Science and Engineering Guilin University of TechnologyGuilin 541004China Key Laboratory of Tropical Marine Bio-resources and Ecology Guangdong Provincial Key Laboratory of Applied Marine BiologySouth China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou 510301China Sanya Institute of Ocean Eco-Environmental Engineering Sanya 572100China

In this study,the occurrence,sources,and ecological risk of microplastics(>60μm)in the surface and bottom seawater were investigated in the Beibu Gulf,the northern South China *** average abundance of microplastics in surface and bottom waters was 1.35±0.93 and 0.79±0.50 items/m~3,*** in both surface and bottom waters were predominantly in the form of fragments,and mostly in *** composition of microplastics in surface water was primarily poly(methyl methacrylate)(PMA),whereas in bottom water,polyethylene(PE)*** matrix factorization(PMF)modeling revealed that the primary sources of microplastics were pipeline abrasion,fishing activities,plastic waste,landfill disposal,transportation,aquaculture,and construction *** pollution load index(PLI)indicated that the overall risk of microplastic pollution in the Beibu Gulf was ***,the polymer hazard index(PHI)for microplastics was relatively *** data underscore the importance of timely and effective reduction of human-intensive activities contributing to microplastic pollution and provide valuable information for further research in microplastic ecotoxicology and biogeochemistry.

关键词： microplastic seawater source ecological risk Beibu Gulf

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One-pot green synthesis of Ag/Ni/Fe3O4-activated carbon beads for recyclable photo-Fenton antibiotic removal and antibacterial action: mechanistic study and optimization

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RSC Advances 2025年第17期15卷 13478-13496页

作者： Hoang, Viet Hung Phan, Thi Ngoc Bich Nguyen, Van Thanh Le, Thi Thao Do, Minh Hieu Luu, Van Tuynh Tran, Vy Anh Doan, Van-Dat Le, Van Thuan Institute of Tropical Durability Vietnam-Russia Tropical Science and Technology Research Center 63 Nguyen Van Huyen Ha Noi City100000 Viet Nam Faculty of Chemical Engineering Industrial University of Ho Chi Minh City Ho Chi Minh City700000 Viet Nam Department of Material Science Institute of Applied Technology and Sustainable Development Nguyen Tat Thanh University Ho Chi Minh City700000 Viet Nam Center for Advanced Chemistry Institute of Research & Development Duy Tan University 03 Quang Trung Da Nang City550000 Viet Nam Faculty of Natural Sciences Duy Tan University 03 Quang Trung Da Nang City550000 Viet Nam

A one-pot green synthesis approach was developed to fabricate Ag/Ni/Fe3O4-activated carbon beads (Ag/Ni/MACB) using Brucea javanica as a natural carbon precursor. Unlike conventional powdered catalysts, these millimeter-sized porous beads enable easy recovery and reusability, addressing a key limitation in heterogeneous Fenton systems. The Fe3O4 component facilitated Fenton-like reactions, while Ni and Ag nanoparticles synergistically enhanced electron transfer and visible-light absorption, significantly boosting photo-Fenton efficiency. The catalyst achieved 96.78% enrofloxacin (ENR) degradation under optimized conditions, with radical scavenger experiments confirming that ˙OH and ˙O2− were the dominant reactive species. Comprehensive characterization (XRD, SEM, TEM, BET, VSM, and FTIR) verified the uniform dispersion of Fe3O4, Ni, and Ag nanoparticles (10-50 nm) within the carbon matrix, ensuring structural stability and catalytic efficiency. The incorporation of Ag not only improved light absorption but also imparted strong antibacterial properties, effectively inhibiting Escherichia coli and Staphylococcus aureus. This dual functionality allows Ag/Ni/MACB to simultaneously degrade organic pollutants and eliminate bacterial contamination, demonstrating self-cleaning capability. The catalyst retained 83.61% efficiency after five cycles with negligible metal leaching, highlighting its long-term stability and recyclability. Additionally, the degradation pathway of ENR was elucidated, providing deeper insights into the reaction mechanism. By integrating sustainable material design, enhanced photocatalytic properties, and antibacterial action, Ag/Ni/MACB serves as a versatile and cost-effective solution for wastewater treatment, offering simultaneous pollutant degradation and microbial disinfection in a single step. © 2025 The Royal Society of Chemistry.

关键词： Disinfection

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Daily accumulation of marine litter in a clam culture area in Can Gio District, Ho Chi Minh City, Vietnam

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Environmental Science and Pollution Research 2025年 1-13页

作者： Nguyen, Thi Hanh Tien Nguyen, Kieu Lan Phuong Phuong, Tran Thi Mai Thuy, Tran Thi Diem Bui, Thanh-Khiet L. Environmental Chemistry and Ecotoxicology Lab Phenikaa University Yen Nghia Hanoi Ha Dong12116 Viet Nam Faculty of Biotechnology Chemistry and Environmental Engineering Phenikaa University Yen Nghia Hanoi Ha Dong12116 Viet Nam Institute of Applied Technology and Sustainable Development Nguyen Tat Thanh University Ho Chi Minh City70000 Viet Nam Faculty of Environment University of Science Vietnam National University-Ho Chi Minh City Ho Chi Minh City Viet Nam Institute for Circular Economy Development Vietnam National University-Ho Chi Minh City Ho Chi Minh City71300 Viet Nam

The health of humans, the economy, and the marine ecology are all seriously threatened by marine litter. Therefore, quantifying the scope of the issue is gaining more and more attention. Studying beach litter accumulation is one of the approaches to investigating its flows into the marine environment. This study assessed beach litter composition and abundance in a clam culture area in Can Thanh Town, Can Gio District, during a daily moon cycle. From the higher beach limit (bushes or rocks), a transect with a length of 50 m parallel to the seawater line and a width of 10 m was set to collect all litter. The litters were then cleaned, weighted, and classified according to NOAA’s marine debris guidance, with modifications to the litter category list. As a result, the dominant materials collected were plastic, accounting for more than 90% of all items found throughout the surveys. A total of 3617 items weighing 21,456.674 g were recorded, corresponding to an accumulation rate of 0.24 items/day.m2 (1.43 g/day.m2). Despite the research location’s low population density, most items were made of foam and bottle wrappers. Brand auditing showed that PepsiCo, Coca-Cola, and Tan Hiep Phat were the top three recognized brands in the beverage industry. This raises an issue in managing beach litter in Can Thanh Town, and the source of such litter could be the mishandling of litter drifting in from other places. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2025.

关键词： Bottles

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Tourism intensity and plastic waste management insights from European capital cities

Discover Sustainability

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Discover Sustainability 2025年第1期6卷 1-18页

作者： Foschi, Eleonora Barbir, Jelena Mersico, Luigi Stasiskiene, Zaneta Department of Management Bologna University Bologna Italy Department for Sustainability Italian National Agency for New Technologies Energy and Sustainable Economic Development Bologna Italy Faculty of Life Sciences Research Transfer Centre & Sustainable Development & Climate Change Management Hamburg University of Applied Sciences Hamburg Germany Institute of Environmental Engineering Kaunas University of Technology Kaunas Lithuania

The surge in demand for plastic materials, coupled with the rising trend of out-of-home food consumption, has posed significant challenges to urban waste management systems. These challenges are intensified in touristic cities where touch-and-go tourism leads visitors to spend most of the day outside, resulting in a high generation of waste in urban areas. While existing research focuses predominantly on the hospitality sector, the role of public administrations remains underexplored. This study addresses this gap by surveying city managers from ten European capitals, providing a comprehensive overview of plastic waste management and prevention patterns. Results reveal that legislative measures and plastic bans are effective, but local initiatives and social programs require further support. Waste generated in public areas is less scrutinized than residential waste, and differences in municipal waste collection schemes hinder proper sorting. Findings underscore the need for collaborative efforts in both waste prevention and management to strengthen partnerships with hotels, restaurants and shopkeepers, as well as the proper design of waste logistics and infrastructure and dedicated communication campaigns in tourist hotspots.

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Effect of raw material pretreatment and drying methods on mango seed kernel flour (Mangifera indica Linn.) properties: Nutrition, physicochemical, and antibacterial activity

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International Journal of Food Science and technology 2025年第1期60卷

作者： Nguyen, Phu Thuong Nhan Ha, Huu Quy Nguyen, Thanh Viet Tran, Quoc Nam Nguyen, Ho Ta Van, Chi Khang Department of Natural Products Faculty of Chemical Engineering and Food Technology Nong Lam University Ho Chi Minh City Viet Nam Institute of Applied Technology and Sustainable Development Nguyen Tat Thanh University Ho Chi Minh City Viet Nam

In this study, pretreatment methods such as water soaking at 25 °C (WS), hot water soaking (HS), and salt soaking combined with blanching (SSB) were applied to reduce astringency and enhance the usability of mango seed kernel flour (MSKF) through three different drying methods: convective drying (CD), heat pump drying (HPD), and freeze drying (FD). The evaluation results showed that MSKF treated by WS was selected for all three drying techniques. The scanning electron microscopy images revealed that the surface morphology of the starch particles was either spherical or elliptical. Meanwhile, FTIR confirmed the presence of functional groups (-OH, -C=O) and bioactive compounds, which were correlated with antioxidant and antibacterial activities. FD demonstrated the highest capability in preserving nutritional, physicochemical, and chemical properties, followed by HPD and CD. Due to its superior retention of total phenolic and tannin content, FD exhibited the highest free radical scavenging ability against DPPH and ABTS, as well as the strongest antibacterial activity, followed by HPD and CD. © 2025 The Author(s).

关键词： Spray drying

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Correction to "sustainable Butyl Rubber Production from Microbial Isobutanol-Derived Isobutylene" (ACS sustainable Chemistry and Engineering (2025) 13:6 (2275-2282) DOI: 10.1021/acssuschemeng.4c05992)

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ACS sustainable Chemistry and Engineering 2025年第17期13卷 6463-6464页

作者： Hee Taek Kim Sangho Lee Woo-Young Jeon Min-Jeong Jang Sung-Hwa Seo Hye-Jeong Lee Jaeho Jeong Jongbeum Park HyunA Park Bashu Dev Pardhe Kyung Take Heo Young-So Kim Yunhee Jeong Su Jin Yum Yung-Hun Yang Hongweon Lee Jeong-Jun Yoon Jongkee Park Soo-Hyung Choi Jung-Oh Ahn Department of Food Science and Technology Chungnam National University Daejeon 34134 Republic of Korea Department of Chemical Engineering Hongik University Seoul 04066 Republic of Korea Biotechnology Process Engineering Center Korea Research Institute of Bioscience and Biotechnology (KRIBB) Cheongju 28116 Republic of Korea Applied Biological Engineering University of Science and Technology 217 Gajeong-ro Yuseong-gu Daejeon 34113 Republic of Korea Department of Biological Engineering Konkuk University Seoul 05029 Republic of Korea Green & Sustainable Materials Research and Development Department Korea Institute of Industrial Technology (KITECH) Cheonan 31056 Korea Korea Institute of Energy Research 72-1 Jang-dong Yuseong-gu Daejeon 305-343 Republic of Korea

In our original article, errors occurred in the presentation of author contributions and affiliations. First, the article does not indicate that Hee Taek Kim and Sangho Lee are co-first authors;this corrected here to reflect their equal contributions. Second, the affiliation for Hee Taek Kim was incorrectly presented with a present address. The correct affiliation is Department of Food Science and technology, Chungnam National University, Daejeon 34134, Republic of Korea. The present address - Neutron Science Research Division, Korea Atomic Energy Research institute, Daejeon 34057, Republic of Korea - was mistakenly included and should be removed. These corrections do not affect the scientific content or conclusions of the article. © 2025 The Authors. Published by American Chemical Society.

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Application of a Regional Data Set of the Housing Sector for Hydrogen Storage-Supported Energy System Planning

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Energy Engineering 2025年第5期122卷 1755-1770页

作者： Steffen Schedler Michael Bareev-Rudy Stefanie Meilinger Tanja Clees Department of Engineering and Communication(IWK) Institute for TechnologyResource and Energy-efficient Engineering(TREE)Hochschule Bonn-Rhein-SiegUniversity of Applied ScienceSankt Augustin53757Germany International Centre for Sustainable Development(IZNE) Hochschule Bonn-Rhein-SiegUniversity of Applied ScienceSankt Augustin53757Germany Fraunhofer Institute for Algorithms and Scientific Computing SCAI Schloss BirlinghovenSankt Augustin53754Germany

Germany aims to achieve a national climate-neutral energy system by *** residential sector still accounts for 29%of end energy consumption,with 74%attributed to the direct use of fossil fuels for heating and hot *** order to reduce fossil energy use in the household sector,great efforts are being made to design new energy concepts that expand the use of renewable energies to supply electricity *** is toconvertparts of the natural gas grid to a hydrogen-based gas grid to deliver and store energy for urban quarters of buildings,especially with older building stock where electrification of heat via heat pumps is difficult due to technical,acoustical,and economic reasons.A comprehensive dataset was generated by a bottom-up analysis with open governmental and statistical data to determine regional building types regarding energy demand,solar potential,and existing grid *** buildings’connections to the electricity,gas,and district heating networks are *** this,a representative sample dataset was chosen as input for a newly developed energy system model based on energy flow *** model simulates the interaction of hydrogen generation(HG)(from excess solar energy by electrolysis),storage in a metal-hydride storage(MHS)tank,and hydrogen use in a connected fuel cell(FC),forming a local PVPtGtHP(Photovoltaic Power-to-Gas-to-Heat-and-Power)*** to the seasonal hydrogen storage path(HSP),a battery will complete the system to forma hybrid energy storage system(HESS).Paired with seasonal time series for PV power,electricity and heat demand,and a model for connection to grid infrastructure,the simulation of different hydrogen applications and MHS placements aims to analyze operating times and energy share of the systems’equipment and existing *** method to obtain the data set together with the simulationmodel presented can be used by energy planners for cities,communities,and building developers

关键词： Hydrogen storage hybrid energy storage system simulation housing sector energy share

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Governance of Urban Circular Economy Transition: A Bibliometric Analysis and Future Research Directions

Circular Economy and Sustainability

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Circular Economy and Sustainability 2025年 1-25页

作者： Tu, Thuan Minh Nguyen, Quan Hong Nguyen, Phuong Ngoc-Duy Phan, Ho Hai Nguyen, Phuong Kieu Lan Mora, Luca International University Vietnam National University Ho Chi Minh City (VNU-HCM) Ho Chi Minh City Viet Nam Ho Chi Minh City Cadre Academy Ho Chi Minh City Viet Nam Center of Water Management and Climate Change Institute for Environment and Resources (VNU-HCM) Ho Chi Minh City Viet Nam Institute for Circular Economy Development Vietnam National University– Ho Chi Minh City (VNU-HCM) Ho Chi Minh City Viet Nam Institute of Applied Technology and Sustainable Development Nguyen Tat Thanh University Ho Chi Minh City Viet Nam The Business School Edinburgh Napier University Scotland Edinburgh United Kingdom

The formulation of circular economy policies in urban contexts is an emerging field of studies, with cities playing an increasing vital role in driving the transition toward circularity. However, there is a lack of systemic understanding in academic literature on governing urban circular economy transition. The primary objective of this study is to offer a comprehensive analysis of the prominent trends, key characteristics, future research directions, and the evolution of the research field on governing urban circular economy transitions between 2002 and 2023. Drawing from 304 peer-reviewed articles sourced from the Scopus database, we propose a bibliometric analysis that builds on the PRIMA protocol and VOSviewer. Our findings show that the adoption of circular economy in urban areas is in its infancy and relatively underexplored. Moreover, most of the literature originated from China and European countries, with limited publications from developing nations. Current research streams cover urban governance, industrial ecology, energy transition, measurement, and digitalization. The novelty of this research lies in its ability to provide a systemic understanding of current developments in academic literature on governing urban circular economy transition. Additionally, it proposes a governance framework for urban circular economy transition. This study also enhances the current understanding of urban circular economy transition and offers insights for guiding future research. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2025.

关键词： Bibliometric study Circular economy Cities sustainable urban transitions Urban governance

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Tax incentives for new energy vehicles challenge road infrastructure break-even

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Energy Economics 2025年 146卷

作者： Lu, Yiya Peng, Tianduo Wang, Lining Ou, Xunmin Pan, Xunzhang Zheng, Ying Chen, Zhan-Ming School of Applied Economics Renmin University of China Beijing100872 China Institute of Climate Change and Sustainable Development Tsinghua University Beijing100084 China Economics & Technology Research Institute CNPC Beijing100724 China Institute of Energy Environment and Economy Tsinghua University Beijing100084 China School of Ecology & Environment Renmin University of China Beijing100872 China

Tax incentives for new energy vehicles (NEVs) have broader implications beyond their intended goals, raising concerns about the efficiency and affordability of these incentives. This study develops an integrated framework to compare the economic-wide implications of NEV incentives in China under eight scenarios considering different tax and non-tax incentives. Results suggest that lasting tax exemption promotes NEV replacement at a very high cost. For example, compared with the default policy to phase out the vehicle purchase tax exemption gradually, extending the tax exemption until 2035 will increase the NEV sales by 7 million at the costs of reducing related tax revenues by 3614 billion RMB, employment by 5108 thousand person-years, and GDP by 2091 billion RMB. On the contrary, phasing out the tax exemption as soon as possible will benefit road infrastructure financing (by increasing purchase tax and fuel excise tax revenues), job creation, and GDP growth without significantly harming NEV penetration. Policymakers should attach importance to the unintended impacts of NEV tax incentives, such that to achieve NEV promotion with affordable costs. © 2024

关键词： Cost benefit analysis

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