journal
https://read.qxmd.com/read/38564894/a-new-method-for-accurate-inversion-of-forel-ule-index-using-modis-images-revealing-the-water-color-evolution-in-china-s-large-lakes-and-reservoirs-over-the-past-two-decades
#21
JOURNAL ARTICLE
Ke Xia, Taixia Wu, Xintao Li, Shudong Wang, Qiang Shen
The Forel Ule water color index (FUI) based on satellite inversion can characterize the comprehensive characteristics of water quality on a large spatiotemporal scale. The high-frequency observations and rich historical data of the MODIS surface reflectance product (MODIS-500 m) provide important data support for monitoring the FUI of inland lakes. However, MODIS-500 m has only three bands in the visible light range, resulting in significant uncertainty in FUI inversion. To address this problem, this study developed an improved FUI inversion model using 500 synthetic spectra covering natural waters...
March 31, 2024: Water Research
https://read.qxmd.com/read/38583335/the-application-of-chitosan-quaternary-ammonium-salt-to-replace-polymeric-aluminum-ferric-chloride-for-sewage-sludge-dewatering
#22
JOURNAL ARTICLE
Minmin Liu, Sajid Rashid, Wei Wang, Huihui Zhang, Yawei Zhao, Xingmin Fu, Zhaoyang Su, Nigel Graham, Wenzheng Yu
Inorganic coagulants such as poly aluminum ferric chloride (Al/Fe) are applied conventionally to sewage sludge dewatering and can be retained in the sludge cake, causing its conductivity to increase and generate secondary pollution. To reduce these disadvantages, there is a need to develop alternative, more sustainable chemicals as substitutes for conventional inorganic coagulants. In the present investigation, the application of a polymeric chitosan quaternary ammonium salt (CQAS) is explored as a complete, or partial, replacement for Al/Fe in the context of sludge dewatering processes...
March 30, 2024: Water Research
https://read.qxmd.com/read/38581982/biogas-upgrading-and-membrane-anti-fouling-mechanisms-in-electrochemical-anaerobic-membrane-bioreactor-ec-anmbr-focusing-on-spatio-temporal-distribution-of-metabolic-functionality-of-microorganisms
#23
JOURNAL ARTICLE
Yule Han, Wanjiang Li, Yijing Gao, Teng Cai, Jiayi Wang, Zhaobin Liu, Jian Yin, Xueqin Lu, Guangyin Zhen
Electrochemical anaerobic membrane bioreactor (EC-AnMBR) by integrating a composite anodic membrane (CAM), represents an effective method for promoting methanogenic performance and mitigating membrane fouling. However, the development and formation of electroactive biofilm on CAM, and the spatio-temporal distribution of key functional microorganisms, especially the degradation mechanism of organic pollutants in metabolic pathways were not well documented. In this work, two AnMBR systems (EC-AnMBR and traditional AnMBR) were constructed and operated to identify the role of CAM in metabolic pathway on biogas upgrading and mitigation of membrane fouling...
March 30, 2024: Water Research
https://read.qxmd.com/read/38564899/bioremediation-potential-of-the-hard-clam-mercenaria-mercenaria-as-an-intensive-shrimp-aquaculture-pond-polyculture-condidate
#24
JOURNAL ARTICLE
Shipeng Dong, Xubo Liu, Boshan Zhu, Dapeng Liu, Hongwei Shan, Fang Wang
Polyculture practices are important for achieving sustainable aquaculture development. Recently, hard clams polyculture in intensive shrimp ponds has been encouraged because bivalves can consume excess nutrients in aquaculture systems and sequester carbon. To evaluate the bioremediation potential of hard clams polyculture in intensive shrimp ponds, this study built an assessment model based on individual growth models and estimated the potential for nitrogen and phosphorus removal as well as CO2 fixation by hard clams...
March 30, 2024: Water Research
https://read.qxmd.com/read/38574612/formation-of-nitrated-naphthalene-in-the-sulfate-radical-oxidation-process-in-the-presence-of-nitrite
#25
JOURNAL ARTICLE
Jiayue Dong, Peizeng Yang, Deyang Kong, Yiqiang Song, Junhe Lu
Polycyclic aromatic hydrocarbons (PAHs) have become a global environmental concern due to their potential hazardous implication for human health. In this study, we found that sulfate radical (SO4 •- ) could effectively degrade naphthalene (NAP), a representative PAH in groundwaters, generating 1-naphthol. This intermediate underwent further degradation, yielding ring-opening products including phthalic acid and salicylic acid. However, the presence of nitrite (NO2 - ), a prevalent ion in subsurface environments, was observed to compete with NAP for SO4 •- , thus slowing down the NAP degradation...
March 29, 2024: Water Research
https://read.qxmd.com/read/38569357/root-mediated-acidification-phosphatase-activity-and-the-phosphorus-cycling-microbial-community-enhance-phosphorus-mobilization-in-the-rhizosphere-of-wetland-plants
#26
JOURNAL ARTICLE
Cai Li, Xin Ma, Yan Wang, Qin Sun, Musong Chen, Chaosheng Zhang, Shiming Ding, Zhihui Dai
Rhizoremediation of wetland plants is an environmentally friendly strategy for sediment phosphorous (P) removal, the basic underlying principle of which is the complex interactions between roots and microorganisms. This study investigated the immobilization and mobilization mechanisms of P in the rhizosphere of wetland plants using high-resolution spatial visualization techniques and metagenomic sequencing. Two-dimensional visualization of the spatial distribution of P, iron (Fe) and manganese (Mn) indicated that the sequestration of Fe-oxides rather than Mn-oxides caused the depletion of labile P, resulting in an increase in the Fe-adsorbed P fraction...
March 29, 2024: Water Research
https://read.qxmd.com/read/38564891/landscape-of-plasmids-encoding-%C3%AE-lactamases-in-disinfection-residual-enterobacteriaceae-from-wastewater-treatment-plants
#27
JOURNAL ARTICLE
Zejun Lin, Zhenchao Zhou, Xinyi Shuai, Guangshu Zeng, Ruiqi Bao, Hong Chen
Conventional disinfection processes, such as chlorination and UV radiation, are ineffective in controling antibiotic-resistant bacteria, especially disinfection residual Enterobacteriaceae (DRE) encoding β-lactamases, some of which have been classified as "critical priority pathogens" by the World Health Organization. However, few studies have focused on the transferability, phenotype, and genetic characteristics of DRE-derived plasmids encoding β-lactamases, especially extended-spectrum β-lactamases and carbapenemases...
March 29, 2024: Water Research
https://read.qxmd.com/read/38583334/long-term-study-of-phytoplankton-dynamics-in-a-supply-reservoir-reveals-signs-of-trophic-state-shift-linked-to-changes-in-hydrodynamics-associated-with-flow-management-and-extreme-events
#28
JOURNAL ARTICLE
Huy A Luong, Ann-Marie Rohlfs, Jordan A Facey, Anne Colville, Simon M Mitrovic
This study analyses over a decade (2009-2022) of monitoring data to understand the impact of hydrological characteristics on water quality and phytoplankton dynamics in Prospect Reservoir, a critical water supply for Greater Sydney, Australia, known for its excellent water quality. Water quality and phytoplankton dynamics were related to hydrodynamics, linked to flow management and the water quality of inflows. Phytoplankton biovolume increased after a prolonged drawdown and subsequent refill event, mainly driven by dinoflagellates, and corresponded to increases in total phosphorus and water temperature...
March 28, 2024: Water Research
https://read.qxmd.com/read/38564897/energy-harvesting-from-acid-mine-drainage-using-a-highly-proton-ion-selective-thin-polyamide-film
#29
JOURNAL ARTICLE
Shenghua Zhou, Ying Mei, Wulin Yang, Chenxiao Jiang, Hao Guo, Shien-Ping Feng, Chuyang Y Tang
A huge chemical potential difference exists between the acid mine drainage (AMD) and the alkaline neutralization solution, which is wasted in the traditional AMD neutralization process. This study reports, for the first time, the harvest of this chemical potential energy through a controlled neutralization of AMD using H+ -conductive films. Polyamide films with controllable thickness achieved much higher H+ conductance than a commercially available cation exchange membrane (CEM). Meanwhile, the optimal polyamide film had an excellent H+ /Ca2+ selectivity of 63...
March 28, 2024: Water Research
https://read.qxmd.com/read/38564890/novel-adaptive-activated-sludge-process-leverages-flow-fluctuations-for-simultaneous-nitrification-and-denitrification-in-rural-sewage-treatment
#30
JOURNAL ARTICLE
Yadong Xie, Qionghua Zhang, Qi Wu, Jiyu Zhang, Mawuli Dzakpasu, Xiaochang C Wang
The fluctuating characteristics of rural sewage flow pose a significant challenge for wastewater treatment plants, leading to poor effluent quality. This study establishes a novel adaptive activated sludge (AAS) process specifically designed to address this challenge. By dynamically adjusting to fluctuating water flow in situ, the AAS maintains system stability and promotes efficient pollutant removal. The core strategy of AAS leverages the inherent dissolved oxygen (DO) variations caused by flow fluctuations to establish an alternating anoxic-aerobic environment within the system...
March 28, 2024: Water Research
https://read.qxmd.com/read/38569360/practical-strategies-of-phosphorus-reclamation-from-sewage-sludge-after-different-thermal-processing-insights-into-phosphorus-transformation
#31
JOURNAL ARTICLE
Ruichi Zhang, Huan Liu, Essi Sariola-Leikas, Khanh-Quang Tran, Chao He
In the context of circular economy and global shortage of phosphorus (P) fertilizer production, it is crucial to effectively recover P during the treatment and disposal of sewage sludge (SS). Although thermal treatment of SS has been widely applied, a targeted P reclamation route is not yet well established. This study has comprehensively investigated and compared the physicochemical properties of SS and solid residues (hydrochar (HC), biochar (BC), sewage sludge ash (SSA), hydrochar ash (HCA), and biochar ash (BCA)) after application of three typical thermal treatment techniques (i...
March 27, 2024: Water Research
https://read.qxmd.com/read/38555784/n-nitrosamines-in-electroplating-and-printing-dyeing-industrial-wastewater-treatment-plants-removal-efficiency-environmental-emission-and-the-influence-on-drinking-water
#32
JOURNAL ARTICLE
Huanfang Huang, Zifeng Chen, Yuru Su, Honghu Zeng, Haixiang Li, Yingjie Chen, Shihua Qi, Wei Chen, Wenwen Chen, Gan Zhang
The discharge of industrial wastewater containing high concentrations of N-nitrosamines to the aquatic environment can impair downstream source waters and pose potential risks to human health. However, the transport and fate of N-nitrosamines in typical industrial wastewater treatment plants (IWWTPs) and the influence of these effluents on source water and drinking water are still unclear. This study investigated nine N-nitrosamines in four full-scale electroplating (E-) and printing/dyeing (PD-) IWWTPs, two drinking water treatment plants (DWTPs) in the lower reaches of these IWWTPs, and the corresponding tap water in South China...
March 27, 2024: Water Research
https://read.qxmd.com/read/38569359/suppression-of-photoreactivation-of-e-coli-by-excimer-far-uv-light-222-nm-via-damage-to-multiple-targets
#33
JOURNAL ARTICLE
Zi-Bo Jing, Wen-Long Wang, Yu-Jia Nong, Lu Peng, Zi-Chen Yang, Bei Ye, Min-Yong Lee, Qian-Yuan Wu
Low-pressure mercury lamps emitting at 254 nm (UV254) are used widely for disinfection. However, subsequent exposure to visible light results in photoreactivation of treated bacteria. This study employed a krypton chloride excimer lamp emitting at 222 nm (UV222) to inactivate E. coli. UV222 and UV254 treatment had similar E. coli-inactivation kinetics. Upon subsequent irradiation with visible light, E. coli inactivated by UV254 was reactivated from 2.71-log to 4.75-log, whereas E. coli inactivated by UV222 showed negligible photoreactivation...
March 26, 2024: Water Research
https://read.qxmd.com/read/38569358/reusable-and-inductively-regenerable-magnetic-activated-carbon-for-removal-of-organic-micropollutants-from-secondary-wastewater-effluents
#34
JOURNAL ARTICLE
Asya Drenkova-Tuhtan, Caleb Stewart Inskeep, Leoni Luthardt, Sara Li Deuso, Thomas Ballweg, Doris Hanselmann, Zoé Béalu, Carsten Meyer, Benedikt Schug, Heidrun Steinmetz, Karl Mandel
This work introduces a new sustainable alternative of powdered activated carbon (PAC) - magnetically harvestable and reusable after regeneration via inductive heating - for the adsorptive removal of organic micropollutants (OMP) from secondary wastewater effluents. For this purpose, two commercial PACs - lignite "L" (1187 m2 /g) and coconut "C"-based (1524 m2 /g) - were modified with magnetic iron oxide following two different synthesis approaches: infiltration ("infiltr") and surface deposition ("depos") route...
March 26, 2024: Water Research
https://read.qxmd.com/read/38564893/interspecies-cooperation-driven-photogenerated-electron-transfer-processes-and-efficient-multi-pathway-nitrogen-removal-in-the-g-c-3-n-4-anammox-consortia-biohybrid-system
#35
JOURNAL ARTICLE
Tingjun Dong, Li Zhang, Shiwei Hao, Jiachun Yang, Yongzhen Peng
Photocatalytic materials-microbial biohybrid systems pave the way for solar-driven wastewater nitrogen removal. In this study, interspecies cooperation in photogenerated electron transfer and efficient nitrogen removal mechanism in the g-C3 N4 -anammox consortia biohybrid system were first deciphered. The results indicated that the essential extracellular electron carriers (cytochrome c and flavin) for anammox genomes were provided by associated bacteria (BACT3 and CHLO2). This cooperation, regulated by the ArcAB system and electron transfer flavoprotein, made anammox bacteria the primary photogenerated electron sink...
March 26, 2024: Water Research
https://read.qxmd.com/read/38555785/revealing-the-comprehensive-impact-of-organic-compounds-on-the-partial-nitrification-anammox-system-during-incineration-leachate-treatment-metabolic-hierarchy-and-adaptation
#36
JOURNAL ARTICLE
Mingda Zhou, Junjie Wang, Han Wang, Xiaochuan Ran, Hao Xue, Chao Liu, Yayi Wang
Organics, as widespread pollutants in high-strength ammonia wastewater, typically exert adverse effects on the performance of partial nitrification-anammox (PNA) systems. However, the in-depth knowledge on how microbial consortia respond to these disturbances remains limited. In this study, we unveiled the evolution of complex organic matter flow and its impact on the metabolic hierarchy and adaptation of microbial consortia, employing multi-omics approaches, i.e., 16S amplicon sequencing, metagenomics, and metabolomics...
March 26, 2024: Water Research
https://read.qxmd.com/read/38555781/comparative-study-on-electro-regeneration-of-antibiotic-laden-activated-carbons-in-reverse-osmosis-concentrate
#37
JOURNAL ARTICLE
Gamze Ersan, Mohamed S Gaber, François Perreault, Sergi Garcia-Segura
Electro-regeneration is emerging as a new technique to regenerate spent carbon adsorbents through an electrochemical process. In this study, sequential adsorption and electro-regeneration of ciprofloxacin (CIP)-laden carbon were investigated using both pristine and iron (Fe)-doped F400 activated carbon in distilled, deionized (DI) water and reverse osmosis (RO) concentrate water. The impact of reactor flow rate and sequential adsorption/electro-regeneration cycles on the regeneration efficiency were also evaluated...
March 26, 2024: Water Research
https://read.qxmd.com/read/38554632/formation-of-reactive-intermediates-in-paddy-water-from-different-temperature-zones-for-the-promotion-of-abiotic-ammonification
#38
JOURNAL ARTICLE
Yu Zeng, Mingyang Zhang, Qinglong Fu, Ning Chen, Yujun Wang, Dongmei Zhou, Guodong Fang
The paddy field is a hot area of biogeochemical process. The paddy water has a large capacity in photo-generation of reactive intermediates (RIs) due to abundant photosensitive dissolved organic matter (DOM), which is influenced by the spatial heterogeneity of paddy soils but rarely been explored. Our work presents the first investigation of the role of soil properties on photochemistry in paddy water. Soil organic matter (SOM), determined by the temperature, was the dominant factor for the photo-generation of RIs in paddy water of main rice producing areas...
March 26, 2024: Water Research
https://read.qxmd.com/read/38554630/managing-pfas-exhausted-ion-exchange-resins-through-effective-regeneration-electrochemical-process
#39
JOURNAL ARTICLE
Fatemeh Asadi Zeidabadi, Ehsan Banayan Esfahani, Sean T McBeath, Madjid Mohseni
This study proposes an integrated approach that combines ion-exchange (IX) and electrochemical technologies to tackle problems associated with PFAS contamination. Our investigation centers on evaluating the recovery and efficiency of IX/electrochemical systems in the presence of five different salts, spanning dosages from 0.1 % to 8 %. The outcomes reveal a slight superiority for NaCl within the regeneration system, with sulfate and bicarbonate also showing comparable efficacy. Notably, the introduction of chloride ion (Cl- ) into the electrochemical system results in substantial generation of undesirable chlorate (ClO3 - ) and perchlorate (ClO4 - ) by-products, accounting for ∼18 % and ∼81 % of the consumed Cl- , respectively...
March 26, 2024: Water Research
https://read.qxmd.com/read/38552484/making-waves-wastewater-based-surveillance-of-cannabis-use
#40
JOURNAL ARTICLE
Lubertus Bijlsma, Bradley Simpson, Cobus Gerber, Alexander L N van Nuijs, Dan Burgard
Monitoring cannabis consumption holds great interest due to the increasing trend towards its legalization for both medicinal and recreational purposes, despite the potential risks and harms involved. Wastewater-based surveillance (WBS) offers a valuable tool for assessing shifts and patterns in drug consumption and to evaluate law enforcement strategies and harm reduction programs. However, WBS-derived cannabis use estimates have been linked to greater uncertainties compared to other drugs, in part due to the many different routes of administration and a substantial excretion of metabolites in faecal matter...
March 25, 2024: Water Research
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