Fe-doped biochars prepared via hydrothermal treatment and low-temperature air calcination to activate peroxymonosulfate for efficient tetracycline degradation
2025
In this study, a new sludge-based biochar loaded with Fe species (Fe/SSBC) was prepared by a two-step process involving hydrothermal treatment and low-temperature air calcination, and used to degrade...
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Impact of N loading on microbial community structure and nitrogen removal of an activated sludge process with long SRT for municipal wastewater treatment
2025
Biological nutrient removal process is pivotal in controlling nitrogen and phosphorus from municipal wastewater treatment and reclamation plants in the water environment. The efficiency of municipal...
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Application of GIS-based multi-criteria decision analysis of hydro-geomorphological factors for flash flood susceptibility mapping in Bangladesh
2025
Flash floods are one of the most prevalent natural disasters, triggering deadly damage to homesteads, crops, infrastructure, road networks, communications, and the natural environment in the Haor (Wetland)...
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Mitigation of PFOA/PFOS toxicity in zebrafish (Danio rerio) by oxidative stress modulation and gut microbial metabolism through the use of aquatic probiotic Lactobacillus rhamnosus
2025
Perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) have been classified as typical persistent organic pollutants (POPs), thus the residues and risks in the environment should not be...
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Physical and chemical processes driven by natural iron minerals in aquatic environments
2025
In aquatic environments, natural iron minerals are a prevalent form of iron, which alter substance speciation through adsorption and redox reactions. Their abiotic migration and transformation processes...
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Novel magnetically recoverable MnFe2O4/TiO2 nanocomposites synthesized using green route for photocatalytic degradation of methylene blue
2025
The photocatalytic degradation of hazardous organic dyes was investigated using green-produced MnFe2O4/TiO2 nanocomposites, which demonstrated magnetic reusability and separability, making them efficient...
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Water quality characteristics of municipal wastewater treatment plants and the prospect of reclaimed water utilization in lower-middle income and water-scarce areas: A case study of Puyang
2025
Water scarcity is a key bottleneck for China's economic and social development. Reclaimed water presents a sustainable solution, but its utilization remains limited, especially in lower-middle income...
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Enhancing nano zero-valent iron (nZVI) performance for Cr(VI) removal through zeolite imidazole framework-8 (ZIF-8) coating
2025
Nano zero-valent iron (nZVI) has garnered significant attention as an excellent environmental remediation material for Cr(VI) adsorption. However, its practical utilization is significantly impeded...
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Enhanced adsorption and photocatalytic degradation of organics using La-doped g-C3N4 with Ag NPs
2025
In the present study, a series of La-doped g-C3N4 with Ag nanoparticles (NPs) decoration was synthesized via one-pot thermal pyrolysis and wet impregnation. As compared with the bulk g-C3N4 (BCN), La-modified...
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Geospatial technique and multi-criteria evaluation to select suitable sites for groundwater recharge with reclaimed water in arid and semi-arid regions
2025
Water resources are suffering from shrinkage in quantity and quality as a result of unprecedented acceleration in population growth, urbanization, irrigation, agricultural, industrial activities and...
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Recent advances in membrane and electrochemical hybrid technologies for emerging contaminants removal
2025
Emerging contaminants (ECs) pose significant risks to environmental and human health, necessitating advanced treatment technologies. Integrating electrochemical processes with membrane filtration has...
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Carbon emission characteristics and reduction technologies in urban wastewater systems: A review
2025
The urban wastewater system emits greenhouse gases (GHGs), including CO2, CH4, and N2O, throughout the processes of collection, transportation, treatment, and discharge. These emissions account for...
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Methods for predicting water temperature in data-scarce areas under different climate regions of China
2025
Water temperature is an important index that affects physical, chemical and biological reactions in water environments, and accurate water temperature prediction is important. Water temperature prediction...
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Prediction of pan evaporation across diverse climates and scenarios using temporal attention clockwork recurrent neural networks coupled with long short-term memory
2025
Accurate prediction of evaporation is crucial for effective water resource management, particularly in regions facing water scarcity. This study investigates evaporation dynamics at two distinct locations...
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Advanced monthly rainfall forecasting in Southern Lazio: Integrating climatic indices, classical or deep neural networks, and a feature selection algorithm
2025
Accurately predicting monthly precipitation is crucial for managing water resources, particularly in regions with complex climates like Southern Lazio, Italy. This study addresses the challenges of...
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Enhanced volatile fatty acids production from anaerobic fermentation of grease trap waste by Fenton pretreatment
2025
To achieve the efficient reclamation of organic resources in grease trap waste (GTW), a Fenton pretreatment for GTW was proposed in this work to convert the organic resources in GTW to soluble chemical...
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Virus contamination, removal characteristics and quantitative risk assessment from drinking water source to secondary water supply system
2025
The drinking water (DW) supply system is the last line of defense against virus infections for people's DW health. This study systematically evaluated the virus pollution characteristics and human health...
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A comprehensive analysis of reservoir capacity loss: A case study of the Akhangaran reservoir, Uzbekistan
2025
The purpose of this article is to analyze the loss of capacity in the Akhangaron reservoir due to sedimentation processes. With the reservoir having been in operation for 50 years, understanding the...
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Model bacteria for biofouling research of reverse osmosis membranes
2025
The selection of suitable model bacteria is closely related to biofouling control and mechanism verification. In this work, we discussed the necessity of model bacteria for biofouling research and control....
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Ubiquitous microplastics, sources, impacts, and treatment: Importance of cost-effective ceramic membranes for MPs removal
2025
Microplastics (MPs) contamination is one of today's most stern environmental challenges, resulting from enormous tonnes of plastic production. Since MPs are present in all forms, i.e., fragments, fibres,...
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The presence of ammonia causing breakpoint chlorination promoted the formation of trihaloacetaldehydes and trihalomethanes
2025
The presence of ammonia can cause breakpoint chlorination when chlorination is applied for water disinfection. However, the formation of trihalomethanes (THMs) and trihaloacetaldehydes (THALs) which...
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Effect of extraction temperature on value-added biopolymer recovery in waste activated sludge
2025
Extraction temperature is one of the basic factors for alginate-like exopolymers (ALE) recovery from waste activated sludge (WAS). Given the rising interest in sustainable resource recovery and the...
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Unveiling the potential health risks induced by photolysis of insect repellents DEET under simulated sunlight
2025
N, N-diethyl-m-toluamide (DEET) is a widely used active ingredient in insect repellents, particularly in areas where mosquitoes are prevalent. Although the photolysis of DEET is inevitably to occur...
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Urchin-like nano lawn of cobalt-iron/nitrogen-carbon activating peroxymonosulfate forced by ultrasonic action: Selective oxidation from pollutant structure
2025
Selective oxidation in heterogeneous activation of persulfate has attracted much interest, however, the current research focuses more on the active species and less on the pollutant structure itself....
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Occurrence and ecological risk of microplastics in different mariculture feeds
Available online 23 April 2025
The pollution of microplastics (MPs) in mariculture animals and its risk to human health remain a growing concern. However, although much attention has been paid to the release of MPs in mariculture...
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