Asian Journal of Water, Environment and Pollution最新文献_第8页

Measurement of Tritium Activity Concentrations in Water Samples of Al-Amara City in Misan Province-Iraq, using Liquid Scintillation Counter 用液体闪烁计数器测量伊拉克米桑省阿马拉市水样中的氚活性浓度

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Asian Journal of Water, Environment and Pollution Pub Date : 2023-01-23 DOI: 10.3233/ajw230010

Z. A. I. Al-Sudani, S. S. Fleifil, Mazin Mohammed

{"title":"Measurement of Tritium Activity Concentrations in Water Samples of Al-Amara City in Misan Province-Iraq, using Liquid Scintillation Counter","authors":"Z. A. I. Al-Sudani, S. S. Fleifil, Mazin Mohammed","doi":"10.3233/ajw230010","DOIUrl":"https://doi.org/10.3233/ajw230010","url":null,"abstract":"This research work aims to measure the concentration of tritium activity in the Tigris river and samples of tap water collected from different places of Al-Amara city in Misan province using a Tri-Carb 3110TR liquid scintillation counter (LSC) and to calculate an annual effective dose due to the ingestion of water samples. The mean values of the tritium activity concentrations measured in the water samples were 0.562 ± 0.126 Bq/L (4.763 ± 1.075TU) and 0.521 ± 0.060 Bq/L (4.422 ± 0.512TU) for Tigris River and tap water samples, respectively. The mean annual effective doses are given to the infants, children and adults because of the intake of the tritium were (252.95 ± 57.116) ×10–5 μSv/y and (234.81 ± 27.222) ×10–5 μSv/y, (354.13 ± 79.962) ×10–5 μSv/y and (328.734 ± 38.111) ×10–5 μSv/y, and (738.614 ± 166.778) ×10–5 μSv/y and (685.645 ± 79.489) ×10–5 μSv/y for Tigris river and tap water samples, respectively. The results indicated that the concentrations of tritium activity in measured water samples have been found below the limit of 100 Bq/L, which is the recommended measure by the European Commission for drinking water, and the recommended annual effective dose by the World Health Organization for the members of the public was much less than the individual dose criterion of 100 μSv/y. Hence, the waters of the Tigris river and tap in the study area (Al-Amara city) are not threatened to cause health risks because of tritium concentration.","PeriodicalId":8553,"journal":{"name":"Asian Journal of Water, Environment and Pollution","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46193637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Synthesis, Characterisation and Utilisation of Magnetic Fe3O4 – TGT Nanocomposite in the Removal of Pb(II) from Aqueous Solutions 磁性Fe3O4–TGT纳米复合材料的合成、表征及其在去除水溶液中Pb（II）中的应用

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Asian Journal of Water, Environment and Pollution Pub Date : 2023-01-23 DOI: 10.3233/ajw230011

J. Anuradha, N. Muthulakshmi Andal

{"title":"Synthesis, Characterisation and Utilisation of Magnetic Fe3O4 – TGT Nanocomposite in the Removal of Pb(II) from Aqueous Solutions","authors":"J. Anuradha, N. Muthulakshmi Andal","doi":"10.3233/ajw230011","DOIUrl":"https://doi.org/10.3233/ajw230011","url":null,"abstract":"Magnetic Adsorption Separation (MAS) method is an ideal substitute for the environmental clean-up process. Magnetic material embedded with natural litter material is a facile route to achieve maximum adsorptive ability at a lower dosage, contact time and increased chance of metal-laden adsorbents’ recovery from aqueous matrices. In the present study, the synthesis of Fe3O4–TGT composite (TGT- C2) by the auto combustion method and its employment for Pb(II) removal from aqueous solutions is discussed. TGT- C2 is characterised using VSM (Vibrating Sample Magnetometer), SEM (Scanning Electron Microscope), Particle Size Analyzer, EDAX (Energy Dispersive X-ray Spectrometer) and FTIR (Fourier Transform Infra Red Spectrophotometer) techniques. TGT- C2 is found to be magnetic in nature and their saturation magnetization (Ms)/ Coercivity (Hc) values are calculated as 1.54 emu g-1/139.83 G, respectively, being less than bare Fe3O4. The synthesised nanocomposite registered a maximum of 98% sequestration of Pb(II) ions under the optimised conditions of 100 mg/L initial metal ion concentration, 10 min agitation time, 50 mg dosage and pH 5 environment. Isothermal verification, the kinetics of adsorption and successive desorption/ regeneration cycles were performed. The outcomes support the preparation of bio-nanocomposites from animal waste was successful in the efficient trapping of divalent metal ions.","PeriodicalId":8553,"journal":{"name":"Asian Journal of Water, Environment and Pollution","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46236453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparative Analysis of Hybrid Photovoltaic Thermal (PV/T) Solar Dryer 混合光伏热(PV/T)太阳能干燥器的比较分析

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Asian Journal of Water, Environment and Pollution Pub Date : 2023-01-23 DOI: 10.3233/ajw230009

S. Agrawal, T. Varshney, J. Kumar

{"title":"Comparative Analysis of Hybrid Photovoltaic Thermal (PV/T) Solar Dryer","authors":"S. Agrawal, T. Varshney, J. Kumar","doi":"10.3233/ajw230009","DOIUrl":"https://doi.org/10.3233/ajw230009","url":null,"abstract":"As the world’s population is increasing, the demand for food is also increasing. Drying techniques increase the life and quality of crop and industrial food products. It also improves the economic condition of farmers. Drying reduces the water stored within the product by evaporation. It can be done by the use of conventional energy and different methods. Sun radiation is used for open sun drying around the globe. Open sun drying has many disadvantages in comparison to other drying techniques. Solar drying is comparatively clean and effective. Solar dryers are of mainly four types: 1) direct solar dryer; 2) indirect solar dryers; 3) mixed mode solar dryer and 4) hybrid solar dryers. Because electric and heat energy demand is increasing day by day worldwide, PV/T solar dryer becomes an interesting and upcoming interest of research nowadays. In this review article basics of different kinds of solar dryers and recent advancements in hybrid PV/T dryers have been presented. Results for drying grapes, medicinal herb, tomato, and wood using PV/T solar dryer are discussed in this study. Variations of drying time, energy consumption, efficiency with different air temperatures, air flow rate and RH are discussed. The use of different solar collectors, solar air heater and heat storage materials with hybrid PV/T dryer have also been reviewed.","PeriodicalId":8553,"journal":{"name":"Asian Journal of Water, Environment and Pollution","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47125093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

System Performance Evaluation for Tea Plants Replacing Sprinkler with Drip Irrigation using Water Uniformities in Dooars, India 印度Dooars茶园用水均匀性用滴灌取代喷灌系统性能评价

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Asian Journal of Water, Environment and Pollution Pub Date : 2023-01-23 DOI: 10.3233/ajw230003

Mantu Das, Subhasish Das, A. Mazumdar

{"title":"System Performance Evaluation for Tea Plants Replacing Sprinkler with Drip Irrigation using Water Uniformities in Dooars, India","authors":"Mantu Das, Subhasish Das, A. Mazumdar","doi":"10.3233/ajw230003","DOIUrl":"https://doi.org/10.3233/ajw230003","url":null,"abstract":"Tea gardens are facing water scarcity; moreover, their irrigation utilises overhead sprinklers, which lack uniformities and controlled irrigation methods. Evaluating the performance of drip irrigation is an important research area for better water resources management. To address these issues different drip irrigation methods have been experimented with having different combinations of drippers. Two plots are online drip systems while the other two are inline systems operated at the same pressure on water application uniformity while other conditions remain similar. Earlier studies witnessed experimentation of drip irrigation with only the same emitter flow. While in this research, the uniformity coefficient, emission uniformity and performance index are calculated. It is found that due to various dripper discharges and systems the water application significantly changes. Extreme values of discharge variation of the emitters were observed during field operations under the same pressure and length of laterals. From the evaluation of the uniformities and investment cost, the performance of an inline system with a 4 lph dripper at 60 cm with 1-m lateral spacing is found to be the best model for tea irrigation under the specified conditions. Later stage and further research efforts should be aimed at the findings of the efficiencies and yield response of tea under the four drip systems.","PeriodicalId":8553,"journal":{"name":"Asian Journal of Water, Environment and Pollution","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41526206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Life Cycle Assessment of Wastewater Treatment in a Refinery with Focus on the Desalting Process 某炼油厂污水处理生命周期评价——以脱盐工艺为重点

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Asian Journal of Water, Environment and Pollution Pub Date : 2023-01-23 DOI: 10.3233/ajw230002

Koimbla Francine Josée Kouacou, A. Ouattara, Alain Stéphane Assémian, K. Yao

{"title":"Life Cycle Assessment of Wastewater Treatment in a Refinery with Focus on the Desalting Process","authors":"Koimbla Francine Josée Kouacou, A. Ouattara, Alain Stéphane Assémian, K. Yao","doi":"10.3233/ajw230002","DOIUrl":"https://doi.org/10.3233/ajw230002","url":null,"abstract":"During refining operations, desalting wastewater provides 10-30% of the total wastewater volumes and contains 40-70% of the pollutants in the wastewater treatment unit. Desalting consists of removing impurities from the crude oil with washing water. The discharge of treated water into the receptor environment is controlled according to standards regulation. However, due to human health and environmental risks, a multi-criteria and multi-stage analysis must be carried out. This present study aims to identify critical sources of wastewater treatment impacts from desalting operations. Life cycle assessment (LCA) with LCIA methods namely Recipe, CML-IA, TRACI, and USETOX were used in Gabi Software. According to this study, fossil fuel-based, electricity generation is the major contributor to negative output flows with about 99%. Emissions of CO2, CO, NOx, SOx, and COV during electricity generation influence the global warming potential through the greenhouse effect, acidification potential that causes acid rains, and photochemical oxidation potential relative to smog. Uncertainty relative to toxicity results does not allow conclusive points to be made. The inclusion of the desalting process in LCA of wastewater treatment is relevant for a comprehensive analysis. The preliminary results obtained during this work will be used in future LCAs in Africa to develop an environmental assessment database.","PeriodicalId":8553,"journal":{"name":"Asian Journal of Water, Environment and Pollution","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43006539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sustainable Development for Urban Prosperity in Harmony Between Nature and Architecture 自然与建筑和谐相处的城市繁荣可持续发展

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Asian Journal of Water, Environment and Pollution Pub Date : 2023-01-23 DOI: 10.3233/ajw230014

A. Nawar, A. Saeed

引用次数: 0

IoT Based System for Sewage Overflow Prevention using Heterogeneous Communication Networks 基于物联网的异构通信网络污水溢流预防系统

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Asian Journal of Water, Environment and Pollution Pub Date : 2023-01-23 DOI: 10.3233/ajw230005

K. Rajaram, T. T. Mirnalinee, V. S. Felix Enigo

{"title":"IoT Based System for Sewage Overflow Prevention using Heterogeneous Communication Networks","authors":"K. Rajaram, T. T. Mirnalinee, V. S. Felix Enigo","doi":"10.3233/ajw230005","DOIUrl":"https://doi.org/10.3233/ajw230005","url":null,"abstract":"The increasing population along with water scarcity give rise to water management practices. Water scarcity can be eradicated by wastewater treatment that would in turn prevent contamination of water bodies. One of the challenges in wastewater treatment is to efficiently transport and treat the sewage in a Sewage Treatment Plant (STP). Most of the existing STPs in closed campuses of Indian scenarios such as academic institutions, industries, and residential apartments employ several pumping stations in a campus and pump motors in each station that pump sewage to STP for treatment. Manual operation of such motors would lead to sump overflows that negatively impact public health and sanitation. Therefore, an IoT-based system for monitoring and controlling sewage flow is proposed in this paper that uses water level sensors and prevents sewage overflows in pumping station sumps, resulting in the utilisation of all the collected sewage for treatment. Since each campus might have different communication networks such as GPRS, WiFi, RF, or Ethernet, the proposed system is designed to work with any network. The proposed system was tested in the college campus with three pumping stations. Moreover, a test bed was simulated and tested with 100 pumping stations. It is observed that the proposed approach prevents sewage overflows in various scenarios with different constraints.","PeriodicalId":8553,"journal":{"name":"Asian Journal of Water, Environment and Pollution","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46032438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Environment News Futures 环境新闻期货

Asian Journal of Water, Environment and Pollution Pub Date : 2023-01-23 DOI: 10.3233/ajw230016

引用次数: 0

Water Quality Status of the Rivers in Tembilahan City Based on Physical-Chemical Parameters and Storet Index 基于理化参数和贮藏指数的坦比拉罕市河流水质状况

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Asian Journal of Water, Environment and Pollution Pub Date : 2023-01-23 DOI: 10.3233/ajw230012

Masykur Hz, B. Amin, S. H. Siregar, Jasril

引用次数: 0

Placement of Renewable Distributed Energy Resources in the Radial Distribution Network to Overcome the Losses and Air Pollution 可再生分布式能源在径向配电网中的配置以克服损耗和空气污染

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Asian Journal of Water, Environment and Pollution Pub Date : 2022-11-14 DOI: 10.3233/ajw220096

Amandeep Gill, Himani Bali, Abhilasha Choudhary

{"title":"Placement of Renewable Distributed Energy Resources in the Radial Distribution Network to Overcome the Losses and Air Pollution","authors":"Amandeep Gill, Himani Bali, Abhilasha Choudhary","doi":"10.3233/ajw220096","DOIUrl":"https://doi.org/10.3233/ajw220096","url":null,"abstract":"Unplanned placement of the distributed energy resources in the existing network can cause severe problems like voltage instability, increase in power losses, system islanding, reverse power flows, air pollution, etc. Power losses and voltage profile maintenance are the most significant restrictions of the existing power system. Therefore, optimal placement of distributed energy resources is required to overcome the above problems and the use of renewable distributed energy resources is required for the reduction of air pollution. For optimal placement, many researchers have proposed various techniques but many of them have neglected the iteration convergence rate for the solution. Optimal placement of distributed energy resources has to deal with constraints like size, location, number, power factor and type. Enhanced particle swarm optimisation and genetic algorithm technique for optimal penetration and sizing of renewable distributed energy resources in the IEEE 33 bus radial distribution network has been applied. Enhanced particle swarm optimisation and genetic algorithm techniques have been applied for power loss reduction, enhancing voltage profile and minimising the iteration for the convergence rate of the solution.","PeriodicalId":8553,"journal":{"name":"Asian Journal of Water, Environment and Pollution","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44493542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 13