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Quality Assessment of Bottled and Unbottled Drinking Water in Bangladesh
MDPI AG - Tập 13 Số 15 - Trang 2026
Md. Ripaj Uddin, Mayeen Uddin Khandaker, Md. Jainal Abedin, Nahida Akter, A. H. M. Shofiul Islam Molla Jamal, Rokaia Sultana, Shahnaz Sultana, Mehedi Hasan, Hamid Osman, Basem H. Elesawy, M.I. Sayyed, Abdelmoneim Sulieman
The demand for bottled drinking water in Bangladesh is becoming popular due to the lack of safe drinking water sources. The present study was carried out to assess the water quality and public health impacts of local brands of bottled drinking water and tube-well water, compared to the imported ones. Several state-of-the-art techniques were employed to determine the contents of pH, EC, sal...... hiện toàn bộ
Developing an Effective Model for Predicting Spatially and Temporally Continuous Stream Temperatures from Remotely Sensed Land Surface Temperatures
MDPI AG - Tập 7 Số 12 - Trang 6827-6846
Kristina M. McNyset, Carol Volk, Chris E. Jordan
Although water temperature is important to stream biota, it is difficult to collect in a spatially and temporally continuous fashion. We used remotely-sensed Land Surface Temperature (LST) data to estimate mean daily stream temperature for every confluence-to-confluence reach in the John Day River, OR, USA for a ten year period. Models were built at three spatial scales: site-specific, sub...... hiện toàn bộ
Vận chuyển và Giữ lại Nitơ, Phốt pho và Carbon trong Đầm lầy Sông Lớn nhất Bắc Mỹ, Lưu vực Sông Atchafalaya Dịch bởi AI
MDPI AG - Tập 5 Số 2 - Trang 379-393
Y. Jun Xu
Các vùng ngập lũ và đất ngập nước ven sông có thể được quản lý hiệu quả để giảm thiểu dinh dưỡng và carbon. Tuy nhiên, hiểu biết của chúng ta về tiềm năng giảm thiểu của các hệ thống sông tự nhiên này còn hạn chế. Nghiên cứu này sử dụng dữ liệu dòng chảy và chất lượng nước lâu dài (1978–2004) từ một vị trí ở thượng nguồn và một vị trí ở hạ nguồn sông Atchafalaya để định lượng lượng nước nh...... hiện toàn bộ
Physiological Profiling and Functional Diversity of Groundwater Microbial Communities in a Municipal Solid Waste Landfill Area
MDPI AG - Tập 11 Số 12 - Trang 2624
Marco Melita, Stefano Amalfitano, Elisabetta Preziosi, Stefano Ghergo, Eleonora Frollini, Daniele Parrone, Annamaria Zoppini
The disposal of municipal solid wastes in landfills represents a major threat for aquifer environments at the global scale. The aim of this study was to explore how groundwater geochemical characteristics can influence the microbial community functioning and the potential degradation patterns of selected organic substrates in response to different levels of landfill-induced alterations. Gr...... hiện toàn bộ
New Sustainable Approach for the Production of Fe3O4/Graphene Oxide-Activated Persulfate System for Dye Removal in Real Wastewater
MDPI AG - Tập 12 Số 3 - Trang 733
Md. Nahid Pervez, Wei He, Tiziano Zarra, Vincenzo Naddeo, Yaping Zhao
Persulfate (PS)-activated, iron-based heterogeneous catalysts have attracted significant attention as a potential advanced and sustainable water purification system. Herein, a novel Fe3O4 impregnated graphene oxide (Fe3O4@GO)-activated persulfate system (Fe3O4@GO+K2S2O8) was synthesized by following a sustainable protocol and was tested on real wastewater containing dye pollutants. In the ...... hiện toàn bộ
Adsorptive Behavior of an Activated Carbon for Bisphenol A Removal in Single and Binary (Bisphenol A—Heavy Metal) Solutions
MDPI AG - Tập 12 Số 8 - Trang 2150
M.A. Martín-Lara, M. Calero, A. Ronda, I. Iáñez-Rodríguez, Carlos Escudero‐Oñate
Bisphenol A (BPA) is an extensively produced and consumed chemical in the world. Due to its widespread use, contamination by this pollutant has increased in recent years, reaching a critical environmental point. This work investigates the feasibility of bisphenol A adsorption from industrial wastewater solutions, testing the reduction of bisphenol A in synthetic solutions by a commercial a...... hiện toàn bộ
Intermittent Aeration in a Hybrid Moving Bed Biofilm Reactor for Carbon and Nutrient Biological Removal
MDPI AG - Tập 12 Số 2 - Trang 492
Gaetano Di Bella, Giorgio Mannina
The paper presents an experimental study on a lab scale hybrid moving bed biofilm reactor with intermittent aeration. Specifically, a comparison between two different operating conditions was analyzed: continuous and intermittent aeration. Both continuous and intermittent aeration were monitored and compared in order to get the best operational conditions. The intermittent aeration campaig...... hiện toàn bộ
Treatment of Dairy Wastewater by Oxygen Injection: Occurrence and Removal Efficiency of a Benzotriazole Based Anticorrosive
MDPI AG - Tập 10 Số 2 - Trang 155
Santiago Martín-Rilo, Ricardo N. Coimbra, Carla Escapa, Marta Otero
Benzotriazole is used as corrosion inhibitor in many industrial sectors, such as the dairy industry. Due to its widespread use in various applications and everyday consumer products, this chemical easily reaches the aquatic environment, where it may have deleterious effects. In fact, benzotriazole has been included among the so-called emerging contaminants. In this work, the occurrence and...... hiện toàn bộ
A Two Decadal (1993–2012) Numerical Assessment of Sediment Dynamics in the Northern Gulf of Mexico
MDPI AG - Tập 11 Số 5 - Trang 938
Zhengchen Zang, Z. George Xue, Kehui Xu, Samuel J. Bentley, Qin Chen, Eurico J. D’Sa, Qian Ge
We adapted the coupled ocean-sediment transport model to the northern Gulf of Mexico to examine sediment dynamics on seasonal-to-decadal time scales as well as its response to decreased fluvial inputs from the Mississippi-Atchafalaya River. Sediment transport on the shelf exhibited contrasting conditions in a year, with strong westward transport in spring, fall, and winter, and relatively ...... hiện toàn bộ
Dynamics of Bacterial Community Diversity and Structure in the Terminal Reservoir of the South-To-North Water Diversion Project in China
MDPI AG - Tập 10 Số 6 - Trang 709
Jiangqi Qu, Chengxia Jia, Qing Liu, Zhi Li, Pan Liu, Yang Mu, Meng Zhao, Wentong Li, Zhu Hua, Qingjing Zhang
The South-to-North Water Diversion Project (SNWDP) is the largest water transfer project in the world, and its purpose is to relax water constraints in a region facing severe water scarcity. Bacterial communities from these reservoirs are important to human health, and analyzing their diversity and structure is crucial to water safety. Here, we investigated the dynamics of bacterial commun...... hiện toàn bộ
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