Showing 741 - 760 results of 989 for search '"wastewater"', query time: 0.04s Refine Results
  1. 741

    Investigating the Influence of Surface Runoff and Human Activities on the Seasonal Characterization of Physicochemical Properties of the upper segment of Qua Iboe River Water, Nige... by U. E. Jonah, I. I. Akpan, E. S. Umoh

    Published 2025-02-01
    “… The objective of this paper was to investigate the influence of surface runoff and human activities on the seasonal characterization of physicochemical properties o of the upper segment of Qua Iboe River Water, Niger Delta, Nigeria, using the protocols described in standard methods for the examination of water and wastewater. The values of physicochemical parameters assessed in water samples gave the following ranges: Water Temperature (22.0-31.6 oC), Dissolved Oxygen (1.5-7.42 mg/L), Total Dissolved Solids (48.6-130.6 mg/L), Electrical Conductivity  (72.5-195.0 mg/L), Turbidity (5.14-48.0 NTU), Sulphate (42.8-158.3 mg/L), Nitrate (1.76-17.48 mg/L),Phosphate (1.85-17.95 mg/L), Biochemical Oxygen Demand (0.62-6.51 mg/L), Chloride (22.29-80.36 mg/L) and Total Suspended Solids (22.1-91.5 mg/L). …”
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  2. 742

    Circular Economy Applied to Sludge Minimization: The STAR Project by Maria Cristina Collivignarelli, Stefano Bellazzi, Alessandro Abbà

    Published 2025-01-01
    “…The management of biological sludge from wastewater treatment plants (WWTPs) poses a significant environmental challenge due to increasing sludge production and the presence of emerging pollutants. …”
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    Article
  3. 743

    Using Flow 3D Simulation, Multiple Nonlinear Regression Approach, and Artificial Neural Network Approach Approaches to Study the Behavior of Vertical Drop Structures by Shaikhli Hasan Al, Mohammed Sarah Hashim, Al-Khafaji Zainab

    Published 2024-12-01
    “…The “Vertical Drop” is a hydraulic structure widely utilized in irrigation and wastewater collection systems to equalize height differences between channel slopes and the natural terrain. …”
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    Article
  4. 744

    Effect of CO2 Flow Rate on the Pinang Frond-Based Activated Carbon for Methylene Blue Removal by S. G. Herawan, M. A. Ahmad, A. Putra, A. A. Yusof

    Published 2013-01-01
    “…Activated carbons are regularly used the treatment of dye wastewater. They can be produced from various organics materials having high level of carbon content. …”
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    Article
  5. 745

    A Multivariate and Spatiotemporal Analysis of Water Quality in Code River, Indonesia by Mochamad A. Pratama, Yan D. Immanuel, Dwinanti R. Marthanty

    Published 2020-01-01
    “…Moreover, the principal component analysis of water quality data suggested that organic matter, metals, and domestic wastewater were the most important factors for explaining the total variability of water quality in Code River. …”
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  6. 746

    Spatial Distribution and Pollution Assessment of Metals in Sediments of the Babon River, Central Java, Indonesia by Haeruddin Haeruddin, Agoes Soegianto, Frida Purwanti, Arif Rahman, Carolyn Melissa Payus, Hefni Effendi

    Published 2024-01-01
    “…The Babon River is one of the drainage channels in Semarang, Indonesia, that is used for drinking water, irrigated agriculture of paddy fields and gardens, fish farming media, and the disposal of industrial wastewater. This study aimed to assess the spatial distribution of metals in the sediment of the Babon River through the utilization of different pollution indices. …”
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    Article
  7. 747

    Characterization of Oily and Non-Oily Natural Sediments in Palm Oil Mill Effluent by Reem A. Alrawi, Nik Norulaini Nik Ab Rahman, Anees Ahmad, Norli Ismail, A. K. Mohd Omar

    Published 2013-01-01
    “…The production of palm oil requires voluminous amount of water with the concurrent generation of large amount of wastewater known as palm oil mill effluent (POME). POME is a mixture of water, oil, and natural sediments (solid particles and fibres).There is a dearth of information on the physical properties of these POME sediments. …”
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    Article
  8. 748

    Adsorption Equilibrium and Kinetics of the Removal of Ammoniacal Nitrogen by Zeolite X/Activated Carbon Composite Synthesized from Elutrilithe by Yong Zhang, Feng Yu, Wenping Cheng, Jiancheng Wang, Juanjuan Ma

    Published 2017-01-01
    “…Further, as a novel sorbent, this material has the potential application in removing ammoniacal nitrogen coexisting with other organic compounds from industrial wastewater.…”
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    Article
  9. 749

    Synthesis, Characterization and Adsorption Properties of the New Chitosan/Natural Zeolite Composite for the Nitrate Removal from Aqueous Solution by Toktam Shenavaei -Zare, Zahra-Beagom Mokhtari-Hosseini

    Published 2024-12-01
    “…The presented nitrate removal technique with the proposed eco-friendly adsorbent can be considered a critical approach for removing nitrate from drinking water and possibly using it on an industrial scale as a green and economical method for water and wastewater treatment.…”
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  10. 750
  11. 751
  12. 752

    Effects of Bahir Dar Textile Factory Effluents on the Water Quality of the Head Waters of Blue Nile River, Ethiopia by Abrehet Kahsay Mehari, Shewit Gebremedhin, Belayneh Ayele

    Published 2015-01-01
    “…Dissolve oxygen was higher at the upstream site of the river, whereas BOD5, TDS, and total alkalinity values were higher at wastewater outlet of the factory site. The mean values of dissolved oxygen, BOD5, and total alkalinity were above maximum permissible limits set by WHO for drinking water at head of Blue Nile River. …”
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  13. 753

    Mathematical Modeling for Water Quality Management under Interval and Fuzzy Uncertainties by J. Liu, Y. P. Li, G. H. Huang

    Published 2013-01-01
    “…The results demonstrate that high biological oxygen demand (BOD) discharge is observed at the Baishahe chemical plant and Gufu wastewater treatment plant. For nonpoint sources, crop farming generates large amounts of total phosphorus (TP) and total nitrogen (TN). …”
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  14. 754

    Effect of Adsorption Characteristics of Rhodamine 6G Dye Solution in Fe3O4 Magnetic Nanoparticles on Fluorescence Quantum Yield by Suwaphit Phoemphoonthanyakit, Panpailin Seeharaj, Pattareeya Damrongsak, Kitsakorn Locharoenrat

    Published 2019-01-01
    “…We believe that our study makes a significant contribution to the literature because Fe3O4 magnetic nanoparticles were found to be able to quench rhodamine 6G dye molecules, which will aid in eliminating toxic and hazardous pollutants from dye wastewater, which are otherwise detrimental to the environment and human health.…”
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    Article
  15. 755

    Synthesis, Characterization, and Application of Co-Al-Zn Layered Double Hydroxide/Hydrochar Composite for Simultaneous Removal of Cationic and Anionic Dyes by Najma Memon, Urooj Kanwal, Abdullah Memon, Safia Sanam Memon, Saima Qayoom Memon

    Published 2021-01-01
    “…Decontamination of organic dyes from wastewater requires efficient and compatible materials that must be able to remove dyes with different charges at the same time. …”
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    Article
  16. 756

    Evaluation of sorption properties of biochar produced by hydrothermal liquefaction of Phragmites australis by Natalia A. Muravieva, Yuliya V. Kulikova, Olga O. Babich

    Published 2025-01-01
    “…The authors have proved the possibility of using the obtained sorbents for solving environmental problems, including wastewater treatment. …”
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    Article
  17. 757

    Sustainability and innovation in 3D printing: Outlook and trends by Muhammad Ali Saqib, Muhammad Sohail Abbas, Hiroyuki Tanaka

    Published 2024-04-01
    “…Additionally, the research explores the implications of 3D printing in domains including renewable energy component fabrication, water and wastewater treatment, and environmental monitoring. …”
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    Article
  18. 758

    The Importance of Ecosystem/Watershed Management Knowledge in Environmental Engineering Education by Vedat Yılmaz

    Published 2018-07-01
    “…Although environmental engineering -primarily focusing on healthy water supply and disposal of wastewater- incorporates study areas of various engineering disciplines, it has also undertaken a wide range of activities such as infrastructure activities, climate change, waste management, health and safety, environmental management and etc. since 70’s. …”
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  19. 759

    The Internal Recycle Reactor Enhances Porous Calcium Silicate Hydrates to Recover Phosphorus from Aqueous Solutions by Wei Guan, Shichao Tian

    Published 2017-01-01
    “…The modified P-CSHs combined with an internal recycle reactor could successfully recover the phosphorus from electroplating wastewater. The modified P-CSHs were characterized by X-ray diffraction (XRD), N2 adsorption-desorption isotherms, and Fourier transform infrared spectroscopy (FT-IR). …”
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  20. 760

    In silico sequence and structure prediction analysis of biomarker genes in Aeromonas sp. of Andaman and Nicobar Islands by Balakrishnan Meena, Lawrance Anburajan, Dilip Kumar Jha, Gopal Dharani

    Published 2025-06-01
    “…The Aeromonas found in wastewater and its impact on marine environment is hardly discussed and its bibliography is lacking. …”
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    Article