Showing 761 - 780 results of 1,335 for search '"wastewater"', query time: 0.05s Refine Results
  1. 761

    Recovery of <em>N</em>-Methylmorpholine <em>N</em>-Oxide (NMMO) in Lyocell Fibre Manufacturing Process by Maria Sawiak, Bernardo A. Souto, Lelia Lawson, Joy Lo, Patricia I. Dolez

    Published 2025-01-01
    “…Successful NMMO recovery from the wastewater was achieved using a rotary evaporator: the final NMMO concentration was 50, i.e., ready for use in the lyocell process, and no NMMO degradation was observed. …”
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    Article
  2. 762

    Determination of Ketorolac in the Effluent from a Hospital Treating Plant and Kinetics Study of Its Photolytic Degradation by Hector Hugo Ortega Soto, Jorge Javier Ramírez García, Paula Gamboa Suárez, Angie Michelle Dávila Estrada

    Published 2017-01-01
    “…Ketorolac was extracted from wastewater samples through solid-phase extraction (SPE) cartridges, then it was identified and quantified by high-performance liquid chromatography (HPLC). …”
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    Article
  3. 763

    Three-Dimensional Modeling of Hydrodynamics and Biokinetics in EGSB Reactor by Jixiang Yang, Yanqing Yang, Xin Ji, Youpeng Chen, Jinsong Guo, Fang Fang

    Published 2015-01-01
    “…The EGSB reactor treating synthesized municipal wastewater was operated at ambient temperature. The model provided satisfactory modeling results regarding hydrodynamics and biokinetics. …”
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    Article
  4. 764

    Effect of DEHP on SCFA Production by Anaerobic Fermentation of Waste Activated Sludge by Rui Gong, Xiang Tang, Changzheng Fan, Baowei Zhang, Man Zhou

    Published 2020-01-01
    “…As the microplastics have a large specific surface area, the release rate of the plasticizer from the microplastics to the environment is accelerated. The DEHP in the wastewater enters the wastewater treatment plants (WWTPs) along with the urban pipeline. …”
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    Article
  5. 765

    Ultratrace Determination of Cr(VI) and Pb(II) by Microsample Injection System Flame Atomic Spectroscopy in Drinking Water and Treated and Untreated Industrial Effluents by Jameel Ahmed Baig, Tasneem Gul Kazi, Latif Elci, Hassan Imran Afridi, Muhammad Irfan Khan, Hafiz Muhammad Naseer

    Published 2013-01-01
    “…The applicability and the accuracy of DLLME were estimated by the analysis of Cr(VI) and Pb(II) in industrial effluent wastewater by standard addition method (recoveries >96%). …”
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    Article
  6. 766

    Water Quality of Urban Streams: The Allium cepa Seeds/Seedlings Test as a Tool for Surface Water Monitoring by Camila Gonçalves Athanásio, Daniel Prá, Alexandre Rieger

    Published 2014-01-01
    “…The Pedras stream receives mixed industrial and urban wastewater, while the Lajeado and Preto streams receive wastewater predominantly domestic in nature, which may partially explain the difference in toxicity among the samples. …”
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    Article
  7. 767

    Effect of Transient Nicotine Load Shock on the Performance of Pseudomonas sp. HF-1 Bioaugmented Sequencing Batch Reactors by Dong-sheng Shen, Li-jia Wang, Hong-zhen He, Mei-zhen Wang

    Published 2016-01-01
    “…Bioaugmentation with degrading bacteria can improve the treatment of nicotine-containing tobacco industrial wastewater effectively. However, the transient and extremely high feeding of pollutants may compromise the effectiveness of the bioaugmented reactors. …”
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    Article
  8. 768

    Analysis of heavy metal concentration from sugar mill and its impact on groundwater “a case study of shaheed benazirabad (SBA) Sindh Pakistan” by Lashari Saima, Muhammad Fuad, Warsito Budi

    Published 2025-01-01
    “…After analyzing the collected samples of wastewater, Pb, Cd, As, and Ni concentrations were found in excess than the recommended limits set by the PAKEPA. …”
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    Article
  9. 769

    Aerobic Granular Sludge for Lead Ion Adsorption and Desorption by LIU Yong, CHENG Yuanyuan, ZENG Lingcong, ZHANG Yuhang, ZENG Minjing, ZENG Yu, LI Zhenghao, WU Junfeng, LONG Bei

    Published 2023-01-01
    “…The Pb<sup>2+</sup> adsorption by aerobic granular sludge (AGS) and the ammonium salt desorption are investigated,which aims to provide technical support for the treatment of wastewater from ionic rare earth mines.The influence of Pb<sup>2+</sup> concentration and adsorption time on the adsorption performance is explored by the single-factor experiment.Then,the Pb<sup>2+</sup> adsorption capacity and rate of AGS are studied by the thermodynamic model and kinetic model.Finally,ammonium chloride with a concentration of 0.1~2.0 mol/L is employed to desorb AGS.When the initial Pb<sup>2+</sup> concentration in wastewater is less than 80 mg/L,the adsorption efficiency is close to 100%.During the first 60 min of the adsorption,the concentration of Pb<sup>2+</sup> decreases rapidly,but the decreasing trend gradually slows down after the first 60 min.The Pb<sup>2+</sup> (20~1 000 mg/L) adsorption by AGS (2 690 mg/L) is in line with the Langmuir model (R<sup>2</sup> equals 0.998,and the saturated adsorption capacity is 55.37 mg/g) and the pseudo-second-order kinetic model (R<sup>2</sup>= 0.999).The adsorption efficiency of AGS is close to 100% for the first time and decreases to 38.2% for the fifth time.The desorption efficiency is 78.5% for the first time and declines to 39.9% for the fifth time.After five rounds of adsorption and desorption,the granulation rate of AGS is still above 97%,which indicates that AGS has the potential for repeated adsorption of Pb<sup>2+</sup>.…”
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  10. 770

    Mass transfer approach and the designing of horizontal subsurface flow constructed wetland systems treating waste stabilisation pond effluent by Anita M., Rugaika, Damian, Kajunguri, Rob, Van Deun, Bart Van der, Bruggen, Karoli N., Njau

    Published 2019
    “…Pilot-scale constructed wetlands (CWs) that allowed wastewater to flow with high interstitial velocities in a controlled environment were used to evaluate the possibility of using mass transfer approach to design horizontal subsurface flow constructed wetlands (HSSF-CWs) treating waste stabilisation ponds (WSPs) effluent. …”
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    Article
  11. 771

    Comparative Analysis of Performance of Lemon Peel Powder and its Ash as Natural Coagulants in the Treatment of Surface Water. by Nuwaribagye, Isaiah

    Published 2025
    “…All waters especially surface water and wastewater contain both dissolved and suspended particles. …”
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    Thesis
  12. 772

    A two-stage model of the fuzzy analytic hierarchy process and the fuzzy synthetic evaluation technique to prioritize sustainable sanitation services under uncertainty by Shaher Zyoud, Siwar M. Omair, Susan A. Jarrad

    Published 2025-01-01
    “…This index is particularly applicable in prioritizing and categorizing communities in need of sanitation infrastructure (e.g., wastewater collection systems and treatment plants), considering competition over scarce resources, reliance on third-party funds, and sustainability factors. …”
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    Article
  13. 773

    TiO2–ZnO functionalized low-cost ceramic membranes from coal fly ash for the removal of tetracycline from water under visible light by Lawrence Sawunyama, Opeyemi A. Oyewo, Seshibe S. Makgato, Mokgadi F. Bopape, Damian C. Onwudiwe

    Published 2025-01-01
    “…Abstract Hybrid wastewater treatment systems offer viable solutions to enhance the removal of complicated contaminants from aqueous system. …”
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    Article
  14. 774

    Computational-Based Approaches for Predicting Biochemical Oxygen Demand (BOD) Removal in Adsorption Process by Mohamed K. Mostafa, Ahmed S. Mahmoud, Mohamed S. Mahmoud, Mahmoud Nasr

    Published 2022-01-01
    “…Predicting the adsorption performance to remove organic pollutants from wastewater is an essential environmental-related topic, requiring knowledge of various statistical tools and artificial intelligence techniques. …”
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    Article
  15. 775

    Adsorption Characteristics of Chitosan-Modified Bamboo Biochar in Cd(II) Contaminated Water by Anxiang Huang, Wenlian Bai, Shoulu Yang, Zhongwei Wang, Nengying Wu, Yanxiong Zhang, Ning Ji, Dan Li

    Published 2022-01-01
    “…Results showed that chitosan-modified bamboo biochar (CBB) provided more active adsorption sites (such as –NH2, –COOH, –OH, and C=O) on the surface to enhance the Cd(II) removal efficiency in Cd(II) contaminated wastewater. Meanwhile, the optimal pH, contact time, and dose of CBB on the Cd(II) removal efficiency are 7, 120 min, and 600 mg, respectively. …”
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    Article
  16. 776

    Microplastics in agricultural soils: sources and microbial remediation approaches by Nataliia Tkachuk, Liubov Zelena, Yaroslav Novikov

    Published 2024-11-01
    “…The sources of microplastics in agricultural soils are plastics used to cover fertilizers, pesticides and seeds, film for mulching, use of wastewater for irrigation, sludge from wastewater treatment as fertilizers that can lead to the occurrence of environmental risks for the functioning of agroecosystems and human health. …”
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    Article
  17. 777

    Application of Multivariate Statistical Analysis in Evaluation of Surface River Water Quality of a Tropical River by Teck-Yee Ling, Chen-Lin Soo, Jing-Jing Liew, Lee Nyanti, Siong-Fong Sim, Jongkar Grinang

    Published 2017-01-01
    “…The first PC indicated that the total suspended solids, turbidity, and hydrogen sulphide were the dominant polluting factors which is attributed to the logging activities, followed by the five-day biochemical oxygen demand, total phosphorus, organic nitrogen, and nitrate-nitrogen in the second PC which are related to the discharges from domestic wastewater. The components also imply that logging activities are the major anthropogenic activities responsible for water quality variations in the Batang Baram when compared to the domestic wastewater discharge.…”
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    Article
  18. 778

    Spatiotemporal Variation Characteristics of Water Pollution and the Cause of Pollution Formation in a Heavily Polluted River in the Upper Hai River by Chunfang Meng, Xiaoyu Song, Kening Tian, Bingxiao Ye, Tianxiu Si

    Published 2020-01-01
    “…In the flood season, the pollution sources were mainly domestic sewage, industrial wastewater, agricultural runoff, biochemical pollution, and natural sources. …”
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  19. 779

    Evaluation of Type III Adhesive Mortar (ACIII) and Gypsum as Precipitating Agents of Copper and Lead by Jefferson Luiz Alves Marinho, Henrique Douglas Melo Coutinho, Raimundo Nonato Pereira Teixeira, Jorge Marcell Coelho Menezes, Francisco José de Paula Filho, Francisco Assis Bezerra da Cunha

    Published 2024-01-01
    “…Chemical precipitation has been one of the technologies used to remove heavy metals from wastewater, involving a process in which chemical agents are added to wastewater with dissolved toxic metal ions, which react with the metals, forming insoluble precipitates. …”
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  20. 780

    Cigarette butt filter as membrane material with tannic acid and FeCl3 additives for improve antifouling properties by Anisa Luthfiana, Sri Mulyati, Nasrul Arahman, Muhammad Roil Bilad, Muhammad Prayogie Aulia

    Published 2025-06-01
    “…Membrane fouling remains a critical challenge in wastewater treatment, particularly in applications involving oil-water emulsions. …”
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    Article