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Water environment

About: Water environment is a research topic. Over the lifetime, 13384 publications have been published within this topic receiving 125138 citations.


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Journal ArticleDOI
TL;DR: The results indicated that pharmaceuticals could survive wastewater treatment processes, and accumulate in sewage sludge and biosolids, which poses potential threats to at-risk populations in the receiving ecosystems.

102 citations

Journal ArticleDOI
Yanhui Wang1, Leilei Li, Chuannan Luo1, Xiaojiao Wang1, Huimin Duan1 
TL;DR: A novel, magnetic chitosan coating on the surface of graphene oxide was (Pb-MCGO) successfully synthesized using Pb(2+) as imprinted ions for adsorption and removal of Pb (2+) from aqueous solutions.

102 citations

Journal ArticleDOI
Bo Bian1, Wei Zhu1
TL;DR: The results revealed that most of the total nitrogen is attached to the finer sediments and that to effectively reduce TN loads in particulates, treatment facilities must be able to remove the finer particles (down to 125 μm for TN).
Abstract: An understanding of road-deposited sediment (RDS) characteristics on an impervious surface is essential to estimate pollutant washoff characteristics and to minimise the impacts of pollutants on the water environment. A total of 62 RDS samples were collected from four different land-use types (commercial, residential, intense traffic and riverside park) in Zhenjiang City, China. The samples were fractionated into seven grain-size classes and analysed for particle size distribution and concentrations of pollutants. The samples are found to consist predominantly of fine particles (60-80%, <250 microm). The maximum mean concentrations of zinc, lead and copper were 686.93, 589.19 and 158.16 mg/kg, respectively, with the highest metal concentrations found in samples from the intense traffic area. The maximum mean contents of organic matter (12.55%), nitrogen (6.31 mg/g) and phosphorus (5.15 mg/g) were found in samples from the commercial area. The concentrations of heavy metals were highest in the smallest particle size fraction analysed (63 microm). The organic matter and nitrogen content generally increased with decreasing particle sizes in the <500-microm particle size range. The results also revealed that most of the total nitrogen (TN) is attached to the finer sediments and that to effectively reduce TN loads in particulates, treatment facilities must be able to remove the finer particles (down to 125 microm for TN).

102 citations

Journal ArticleDOI
TL;DR: In this paper, the authors report the recent developments in fluoride removal from water environment by adsorption methods and provide guidance for the development of new efficient methods for fluoride removal in the future.
Abstract: Fluoride contamination in water environment due to natural and artificial activities has been recognized as one of the major problems worldwide. Developing effective and robust technologies for excess fluoride removal from water environment becomes highly important. Among the commonly used treatment technologies applied for fluoride removal, adsorption technique has been explored widely and offers a highly efficient simple and low-cost process for fluoride removal from water. This review reports the recent developments in fluoride removal from water environment by adsorption methods. Studies on fluoride removal from aqueous solutions using various carbon materials are reviewed. It is evident that various adsorbents with high fluoride removal capacity have been developed, however, there is still an urgent need to transfer the removal process to industrial scale. Regeneration studies need to be performed in more extent to recover the adsorbent in field conditions, enhancing the economic feasibility of the process. Based on the review, four technical strategies of adsorption method including nano-surface effect, structural memory effect, anti-competitive adsorption and ionic sieve effect can be proposed. The design of adsorbents through these four strategies can greatly improve the removal efficiency of fluoride in water and provide guidance for the development of new efficient methods for fluoride removal in the future.

101 citations

Journal ArticleDOI
TL;DR: Findings suggest that changes in haematological and serum protein profiles are important indices in monitoring the effects of aquatic habitat changes, representing an adaptive physiological response to different habitats of M. cephalus.
Abstract: The aim of this study was to assess the influence of two different habitats, Faro Lake (group A) and Tyrrhenian Sea (group B), on the haematological and serum protein profiles of Mugil cephalus. Our results showed significant differences of white blood cells, total proteins, prealbumin, albumin and α-globulins between groups A and B. These findings suggest that changes in haematological and serum protein profiles are important indices in monitoring the effects of aquatic habitat changes, representing an adaptive physiological response to different habitats of M. cephalus.

101 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202239
2021932
2020869
2019980
20181,015
2017916