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ISSN 1024-5936 · Water and Wastewater Consulting Engineers Research Development · 1.155 artikel di indeks
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Macroeconomic Implications of Virtual Water Imports in Iran: A Vector Autoregression Analysis, 2003–2022
Water scarcity is a critical challenge for the global economy in the 21st century, particularly in arid and semi-arid countries such as Iran. Virtual water imports – the water embedded in imported goods – have emerged as an important mechanism to alleviate domestic water shortages. However, the…
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Water Culture
Cultural perspectives on water are deeply ingrained in the fabric of the world's cultures, shaping how societies manage and value this essential resource. In some cultures, water is considered sacred and is used sparingly and respectfully, emphasizing its intrinsic value and the need to protect…
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Investigating the Parameters Affecting the Economic Approach and Costs of Virtual Water Imports in Iran for Key Products Used in the Agricultural Industry
Water scarcity, caused by both limited access and deteriorating quality, is a growing global challenge. This study investigates the dynamic relationship between macroeconomic variables and virtual water imports in Iran from 2003 to 2022. The research employs the Vector Autoregression model for…
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Optimum Design of Placement and Hydraulic Dimensions of Domestic Wastewater Collection Network with the Approach of Removing the Highest Amount of COD and Increasing DO Along the Route
Today, the design and implementation of wastewater collection, disposal and treatment networks is considered as one of the vital factors in preserving and protecting the environment and ensuring the public health of people in cities and villages. By reviewing past studies as well as the lack of…
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Effect of Synthesis pH on the Morphology and Photocatalytic Performance of BiVO₄/g-C₃N₄ for Acid Blue 92 Degradation
Textile dyes and heavy metals cannot be completely removed from wastewater using traditional wastewater treatment methods. Meanwhile, advanced oxidation processes produce active radicals that facilitate the decomposition of these compounds. Among these, semiconductor photocatalysts offer high…
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Toward Efficient Solar-Driven Photocatalytic Treatment of Water Contaminated with Various Antibiotics Using a Porous BiOBr (2D)/UiO-66 (0D) Heterojunction Nanostructure
Contamination of water resources by antibiotics poses a serious threat to public health and the environment, necessitating the development of sustainable treatment strategies. In this study, the effective treatment of water contaminated with commonly used antibiotics-tetracycline, ciprofloxacin…
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Flood Hazard Zoning of Kashan County Based on Analytical Hierarchy Process Using Geographic Information System
Flooding is one of the most significant natural disasters that has extensive impacts on various regions of Iran, particularly in Kashan County. Each year, this phenomenon causes considerable financial damage to local infrastructure and often results in human casualties. Given the importance of this…
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Electrode Morphology in Electrocoagulation: Experimental Evaluation of Chromium Removal Using Iron Electrodes
Chromium is a highly toxic and carcinogenic pollutant commonly found in industrial effluents such as electroplating, tanning, and dye manufacturing, posing a serious risk to human health and the environment. Among modern treatment methods, electrocoagulation has attracted wide attention due to its…
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Studying the Performance of Customers Meters and Analyzing the Parameters Affecting Their Measurement Accuracy Along with Policy-Making for Conducting Cluster Testing of Meters
The quantity and quality of customer meters, as measuring instruments of water sales, are important for water and wastewater companies and their customers. In this study, the performance of customer meters and the amount of their measurement error are comprehensively examined. While evaluating the…
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One-Step Synthesis of Basic Bismuth Nitrate and Bismuth Metal Composite (Bi/BBN) to Enhance Photocatalytic Degradation of Rhodamine B Dye
Bismuth basic salts have wide applications due to their low cost and non-toxicity, and are at present being studied as photocatalysts. This research focuses on the one-step synthesis of a basic bismuth nitrate and bismuth metal (Bi) composite using sodium borohydride (NaBH4) as a reducing agent in…
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Investigation of the Effect of Continuous Wetting and Drying Cycles on the Durability of the VarzanehWater Channel
Assessment of water conveyance channel durability, particularly under severe environmental conditions such as wetting and drying cycles, is of considerable importance. Moreover, the development of in-situ testing methods that enable rapid and cost-effective evaluation of structures without the need…
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Photocatalytic Removal of Doxorubicin from Aqueous Solution Using a Covalent Organic Triazine Polymer under Visible Light
Doxorubicin is a potent anti-cancer drug, and its presence in wastewater may pose harmful effects l effects on the environment and public health. Even at very low doses, this drug is toxic and can disrupt the natural functioning of aquatic ecosystems, negatively impacting the growth, reproduction…
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Numerical Simulation and Comparison of Four Different UVC-LED Reactor Models for Point-of-Use Water Disinfection Using Computational Fluid Dynamics
Drinking water quality and safety are vital factors for public health, and the consumption of contaminated water is one of the main causes of microbial disease transmission. Effective and reliable water disinfection methods at the point of use, especially at the household scale, play an important…
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Investigation of Photocatalytic Degradation of the Antibiotic Florfenicol from Shrimp Culture Ponds Effluent Using Cu-doped ZnO
The purpose of this experimental study was to impact the influencing parameters on the elimination of photocatalytic antibiotic florfenicol from shrimp ponds using Cu-doped ZnO. The research variables included the initial pH (3, 5, 7, 9, 11), the primary concentration of florfenicol (5, 10, 15, 20…
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Comparative Study of the Adsorption Efficiency of Carbon Nanotubes and Biochar in the Removal of Crystal Violet Dye from Aqueous Solution
Organic dyes such as Crystal Violet represent persistent and toxic pollutants in industrial wastewaters, underscoring the urgent need for efficient removal methods. This study investigates the performance of two adsorbents-carbon nanotubes and biochar-in removing Crystal Violet dye. FESEM and EDS…
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Removal of the Ni(II) from Water Samples Using a Polymer-Grafted Magnetic Graphene Oxide Nanoadsorbent
Heavy metals such as nickel in aqueous environments pose significant risks to both human health and natural ecosystems, owing to their pronounced toxicity, environmental persistence, and tendency to bioaccumulate within food chains. In this study, a novel magnetic graphene oxide nanocomposite…
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Conformity Assessment and Application of the Decision Rule in Acceptance or Rejecting Test Results of Drinking Water
Conformity assessment of drinking water quality test results, particularly under critical water supply conditions, requires decision rules approaches that protect consumer health and prevent unjustified rejection of acceptable water sources. In this study, conformity assessment and decision rules…
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Investigating the Performance of Pump as Turbine for Pressure and Leakage Management of Urban Water Distribution Network Operation Using Modeling Approach
Pressure is one of the most important hydraulic parameters in urban water distribution networks and deviations from the permissible range can lead to increased leakage, reduced equipment lifespan, and energy losses. Although Pressure Reducing Valves are widely used as the most common tools for…
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Sustainable Cyanide Removal from Water via CuO/AC Catalyst Derived from Polymeric Waste
In this study, polymeric waste was utilized to produce a stable and environmentally compatible catalyst for the removal of high concentrations of cyanide from water. A heterogeneous Fenton-like process was employed, in which activated carbon derived from polymeric waste served as the catalytic…
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Optimization of Mobile Emergency Team Deployment in Water Crises Using Neural Networks (Case Study: Pakdasht, Varamin, Pishva and Qarchak Counties)
The water scarcity crisis in Tehran Province and the Varamin Plain, coupled with frequent water and power outages, has led to air entrainment in pipelines, increased pressure, and pipe bursts, highlighting the need for intelligent water management in the deployment of emergency response teams. The…
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