Water Practice & Technology最新文献

Enhancing water efficiency programming in the City of Calgary 加强卡尔加里市的用水效率规划

Water Practice & Technology Pub Date : 2024-07-16 DOI: 10.2166/wpt.2024.188

Rennie Jordan, Michelle Anderson, Nisha Saini, Pablo Pina

{"title":"Enhancing water efficiency programming in the City of Calgary","authors":"Rennie Jordan, Michelle Anderson, Nisha Saini, Pablo Pina","doi":"10.2166/wpt.2024.188","DOIUrl":"https://doi.org/10.2166/wpt.2024.188","url":null,"abstract":"\u0000 \u0000 This article presents the steps undertaken in a two-phase study to enhance the City of Calgary's (the City) water efficiency programming for indoor and outdoor industrial, commercial, and institutional (ICI) customers and outdoor residential customers. Study objectives included evaluating programs in other urban jurisdictions for suitability to Calgary, and developing short-, medium-, and long-term recommendations for water efficiency programming for the City. Phase I of the study included a literature review of Calgary's water consumption trends and explored over 150 water efficiency programs implemented across jurisdictions in North America, identifying a subset of 33 programs for further evaluation. Phase II evaluated program options through an integrated assessment, including gap, Strengths, Weaknesses, Opportunities, and Threats, and cost-benefit analysis. An implementation strategy was developed for seven water efficiency programs, grouped into complementary bundles of indoor and outdoor ICI and residential landscape transformation programs. The study also identified areas for further research, and key supporting elements or ‘success factors’ for water efficiency programming in the City. This article adds value to the discussion on approaches to select suitable indoor and outdoor ICI and outdoor residential water efficiency programs, and aids in informing the City's current and future strategic water planning and programs.","PeriodicalId":104096,"journal":{"name":"Water Practice & Technology","volume":"12 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141641228","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

Ingress of municipal solid waste into water resources: an environmental assessment and monitoring tool near dumpsites in Akwa Ibom State, Nigeria 城市固体废物进入水资源：尼日利亚阿夸伊博姆州垃圾场附近的环境评估和监测工具

Water Practice & Technology Pub Date : 2024-07-16 DOI: 10.2166/wpt.2024.187

Nsikak Inyang, N. George, I. Ehibor, A. Ekot, Itoro Udo

{"title":"Ingress of municipal solid waste into water resources: an environmental assessment and monitoring tool near dumpsites in Akwa Ibom State, Nigeria","authors":"Nsikak Inyang, N. George, I. Ehibor, A. Ekot, Itoro Udo","doi":"10.2166/wpt.2024.187","DOIUrl":"https://doi.org/10.2166/wpt.2024.187","url":null,"abstract":"\u0000 \u0000 Municipal solid waste (MSW) dumping sites are only used for trash discarding. Beyond the reek that the dumpsites generate, which defiles the milieu, the primary issue is the spreading of fluid from the landfills. The thrust of this research is to utilize the contiguous data from geophysics and laboratory analysis of groundwater samples to decipher the influence of MSW on aquifer systems in Uyo and Eket Counties. Geo-electrical studies featured vertical electrical sounding (VES) and constant electrode separation techniques to generate 1D and 2D electrical resistivity. The analyzed field data were integrated with water sample analysis to deduce the influence of leachate on groundwater. The VES curve types conformed to A (7.1%), HK (21.4%), Q (21.4%), and K (50.0%). The created 2D image maps for MSW locations lay bare the fact that leachate dispersal between source and sink obeys the inverse square rule. The heavy ions, which were all higher than the approved standards have, chromium as the highest and nickel as the least. The anionic average relative abundance has hydrogen trioxocarbonate ion concentration as the highest and fluoride ions as the least. The survey demonstrates that leachate has a considerable impact on groundwater.","PeriodicalId":104096,"journal":{"name":"Water Practice & Technology","volume":"6 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141641409","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

Development of δ-Bi2O3/Bi2SiO5 heterostructures based on biogenic silica for photocatalytic treatment from organic pollutants 开发基于生物硅的δ-Bi2O3/Bi2SiO5 异质结构，用于有机污染物的光催化处理

Water Practice & Technology Pub Date : 2024-07-16 DOI: 10.2166/wpt.2024.185

O. Arefieva, Marina S. Vasilyeva, D. Opra, Vladimir V. Tkachev, V. V. Korochentsev, D. H. Shlyk, Aleksandra I. Slavenskaya

引用次数: 0

Integrated assessment of decentralized wastewater treatment plants in semi-arid region in Bolivia 玻利维亚半干旱地区分散式污水处理厂的综合评估

Water Practice & Technology Pub Date : 2024-07-16 DOI: 10.2166/wpt.2024.186

Ivette Echeverría, R. Escalera, Oliver Saavedra, Gabriel Aliaga, Renato Montoya

{"title":"Integrated assessment of decentralized wastewater treatment plants in semi-arid region in Bolivia","authors":"Ivette Echeverría, R. Escalera, Oliver Saavedra, Gabriel Aliaga, Renato Montoya","doi":"10.2166/wpt.2024.186","DOIUrl":"https://doi.org/10.2166/wpt.2024.186","url":null,"abstract":"\u0000 \u0000 This study comprehensively evaluates four decentralized wastewater treatment plants intended for agricultural reuse in a semi-arid low-moderate temperature region. It considers environmental, technical, economic, and social perspectives. Anaerobic baffled reactors with hybrid gravel filters (ABR + HGF + VGF) proved the most efficient, with moderate requirements in space, O&M, and energy, albeit the highest treatment cost. Up-flow sludge blanket reactor with activated sludge (UASB + AS) demonstrated high efficiency and compactness, with moderate treatment costs. However, it incurred high energy demands, complex O&M, and more sludge generation. UASB with horizontal gravel filter (UASB + HGF) was among the most land-intensive systems, with moderate costs and O&M requirements, and low energy consumption. However, it fell short of meeting certain environmental criteria. ABR with stabilization ponds (ABR + PONDS) emerged as the most economical, with low energy consumption, but was also among the most land-intensive and failed to achieve adequate effluent quality. Socially, all WWTPs were well accepted for agricultural reuse benefits. In terms of odor perception, UASB + AS and ABR + HGF + VGF exhibit the lowest impact. The Most Appropriate Treatment Technology Index (MATTI) ranked ABR + HGF + VGF and UASB + AS as adequate technologies, while UASB + HGF and ABR + PONDS were poorly adequate. The study recommends a four-dimensional assessment for selecting the most suitable technology, considering the specific context.","PeriodicalId":104096,"journal":{"name":"Water Practice & Technology","volume":"2 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141642691","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

Photocatalytic degradation of methyl orange and methyl violet dyes by UV/Cu2+/PDS process 紫外线/Cu2+/PDS 工艺光催化降解甲基橙和甲基紫染料

Water Practice & Technology Pub Date : 2024-07-15 DOI: 10.2166/wpt.2024.184

Adnan Ali, Qaiser Khan, Faiza Rehman, Ikhtiar Gul, Faryal Gohar, Muhammad Zohaib, Murtaza Sayed

引用次数: 0

Biodegradability index (BDI) as an indicator for effluents quality measurement; a case study based on different industry sectors in Matara District, Sri Lanka 将生物降解指数（BDI）作为衡量污水质量的指标；基于斯里兰卡马塔拉地区不同工业部门的案例研究

Water Practice & Technology Pub Date : 2024-07-13 DOI: 10.2166/wpt.2024.183

Rashmitha Diwyanjalee Garusinghe, B. K. A. Bellanthudawa, D. K. N. S. De Silva, A. R. Gunawardena

{"title":"Biodegradability index (BDI) as an indicator for effluents quality measurement; a case study based on different industry sectors in Matara District, Sri Lanka","authors":"Rashmitha Diwyanjalee Garusinghe, B. K. A. Bellanthudawa, D. K. N. S. De Silva, A. R. Gunawardena","doi":"10.2166/wpt.2024.183","DOIUrl":"https://doi.org/10.2166/wpt.2024.183","url":null,"abstract":"\u0000 \u0000 This study addresses the crucial need for appropriate indicators to characterize aquatic pollution, given the challenges posed by unrestricted effluent discharge globally. Focusing on wastewater from hotel and tourism industries and vehicle service stations in Matara District, Sri Lanka, we explored the relationship between biological oxygen demand (BOD) and chemical oxygen demand (COD) through the biodegradability index (BDI). Monthly water samples were collected from January 2019 to December 2022, analyzed using standard methods, and statistically evaluated. Results revealed a significant spatial variation in BDI among industry sites, with a modest temporal change. The BOD:COD ratio exhibited a slight increasing trend over time, suggesting factors beyond temporal influence. BDI correlated significantly with temperature, alkalinity, and total suspended solids (TSS), emphasizing its potential as an indicator. The study underscores the importance of complementing the BOD:COD ratio with other indicators for a comprehensive assessment of industrial effluent quality. This research contributes valuable insights into understanding wastewater characteristics, facilitating informed pollution reduction and control strategies in aquatic systems.","PeriodicalId":104096,"journal":{"name":"Water Practice & Technology","volume":"15 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141651243","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

Virtual sensors for the Hias process 希阿斯工艺的虚拟传感器

Water Practice & Technology Pub Date : 2024-07-10 DOI: 10.2166/wpt.2024.176

Tiina M. Komulainen, A. M. Baqeri, Katrine Marsteng Jansen, T. Saltnes, Axel Tveiten Bech, Olga Korostynska

{"title":"Virtual sensors for the Hias process","authors":"Tiina M. Komulainen, A. M. Baqeri, Katrine Marsteng Jansen, T. Saltnes, Axel Tveiten Bech, Olga Korostynska","doi":"10.2166/wpt.2024.176","DOIUrl":"https://doi.org/10.2166/wpt.2024.176","url":null,"abstract":"\u0000 \u0000 This article presents the development of virtual sensors for estimation of phosphates (PO4) and soluble COD profiles in a novel, continuous flow, moving bed bioreactor with enhanced biological phosphorus removal and simultaneous nitrification and denitrification, the Hias process. The virtual sensors combine online measurements with additional electrical conductivity (EC), oxidation–reduction potential (ORP) measurements, and state-space models at inlet, zone 3 and zone 7. The data were collected from Hias municipal WRRF, Norway from March to July 2023, and include both online data and laboratory data. Input variables were selected using correlation plots. Linear measurement equations were fitted to relate PO4 and COD concentrations in the laboratory data set with the online measurements including EC/ORP measurements. The state-space models were identified from the online data with model accuracy from moderate to strong. The estimated PO4 and COD concentrations correspond to most of the scarce laboratory data points at inlet and zone 3, whereas the model in zone 7 requires more work. A Kalman filter was developed for zone 3 and implemented in KYB industrial internet of things (IIoT) platform. Future work is suggested on improvement of the model accuracy in zone 7, and development of energy-efficient control strategies using the virtual sensors.","PeriodicalId":104096,"journal":{"name":"Water Practice & Technology","volume":"71 15","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141662714","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

A pragmatic approach of hydrochemical and irrigation indices of groundwater quality of district Ballia, U.P. India 印度中央邦巴利亚地区地下水质量水化学和灌溉指数的实用方法

Water Practice & Technology Pub Date : 2024-07-10 DOI: 10.2166/wpt.2024.182

Sumant Kumar Verma, Shriram Chaurasia

{"title":"A pragmatic approach of hydrochemical and irrigation indices of groundwater quality of district Ballia, U.P. India","authors":"Sumant Kumar Verma, Shriram Chaurasia","doi":"10.2166/wpt.2024.182","DOIUrl":"https://doi.org/10.2166/wpt.2024.182","url":null,"abstract":"\u0000 \u0000 In the groundwater aquifer media, enormous amounts of ions can be found naturally in rocks from the Pleistocene and Holocene ages. There are several reports of metals and ionic contamination in the different blocks of the Ballia district. This article focuses on a thorough investigation of the hydrogeochemical properties and the cause of ionic contamination in the Ballia district's groundwater system. This article discusses the interactions between the numerous cations and anions that are hydro-geologically present as well as several physico-chemical factors. The relationship analysis was conducted utilizing irrigation indices and a Stufzand classification, which was further supported by a Durov and Stiff plot. The Durov plot shows the mineralization of the aquifer by sand and evaporates of geological formation. The Gibbs plot shows that the rock–water interaction, weathering of silicates, evaporates dissolution, carbonate dissolution, and anthropogenic activities. The Stiff plot shows the highest concentration of Mg-rich minerals and Cl due to the weathering of calcite, amphiboles, and anthropogenic activities also proven by the Irrigation indices and Stufzand classification. The high water quality index (WQI) value was discovered to be mostly due to greater EC, total dissolved solids, hardness, nitrate, sulfate, chloride, and magnesium levels in groundwater.","PeriodicalId":104096,"journal":{"name":"Water Practice & Technology","volume":"25 18","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141662413","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

Investigation of the impact of surface roughness on the flow characteristics of a broad-crested weir 研究表面粗糙度对宽顶堰水流特性的影响

Water Practice & Technology Pub Date : 2024-07-09 DOI: 10.2166/wpt.2024.180

A. Idrees, U. A. Jahad, Riyadh Al-Ameri

{"title":"Investigation of the impact of surface roughness on the flow characteristics of a broad-crested weir","authors":"A. Idrees, U. A. Jahad, Riyadh Al-Ameri","doi":"10.2166/wpt.2024.180","DOIUrl":"https://doi.org/10.2166/wpt.2024.180","url":null,"abstract":"\u0000 \u0000 Weirs are a common hydraulic structure. The broad-crested weir's effectiveness depends on its height and surface roughness. The present study investigates the coefficient of discharge (Cd) for various broad-crested weirs in a laboratory flume. Two types of weir geometry were used and outfitted with three types of surface roughness (cement, boulders, and gravel) and the coefficient of discharge. The outcomes showed that the coefficient of discharge reduces as the surface roughness of the broad-crested weir increases for a given (H/H + P). The average value of the discharge coefficient for Group 1 (models 1, 2, and 3) was 0.66, 0.65, and 0.64, respectively. For comparison between models 1 and 2 and between models 1 and 3, the decrease in the coefficient of discharge was approximately 2 and 3.5%, respectively. Group 2 (models 4, 5, and 6) had an average value of the discharge coefficient of 0.63, 0.62, and 0.61, respectively. The decrease in the coefficient of discharge for comparison between models 4 and 5 and between models 4 and 6 was around 1.75 and 3%, respectively. Empirical equations were obtained to accurately fit the data. This study can inform the design of weirs, allowing for improved control and flow regulation in hydraulic systems.","PeriodicalId":104096,"journal":{"name":"Water Practice & Technology","volume":"51 22","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141663439","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

Groundwater perspective zone mapping coupled with remote sensing, GIS, AHP, and MIF models: a case study of the Gorezen watershed, Ethiopia 利用遥感、地理信息系统、AHP 和 MIF 模型绘制地下水透视区地图：埃塞俄比亚戈尔岑流域案例研究

Water Practice & Technology Pub Date : 2024-07-09 DOI: 10.2166/wpt.2024.179

G. Mulu, Mulu Sewinet Kerebih, Dawit Asregedew Hailu

引用次数: 0

Water Practice &amp; Technology最新文献

Water Practice & Technology最新文献