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Articoli di riviste sul tema "Sewerage"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Harada, H., N. T. Dong, and S. Matsui. "A measure for provisional-and-urgent sanitary improvement in developing countries: septic-tank performance improvement." Water Science and Technology 58, no. 6 (2008): 1305–11. http://dx.doi.org/10.2166/wst.2008.715.

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Although many cities have planed to develop sewerages in developing countries, sewerage establishment still requires huge investment and engineering efforts. Improvement of existing sanitation facilities may contribute the betterment of urban sanitation before sewerage establishment. The purpose of this study is to propose a measure to improve urban sanitation in areas where a sewerage development plan is proposed but has not been yet established, based on a case study in Hanoi, Vietnam. We found that 90.5% of human excreta flowed into septic tanks. However, 89.6% of septic tanks have never be

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2

Mara, D. D. "Sanitation for all in periurban areas? Only if we use simplified sewerage." Water Supply 5, no. 6 (2005): 57–65. http://dx.doi.org/10.2166/ws.2005.0050.

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Simplified sewerage is considered the only periurban sanitation technology that has a chance of ensuring that the WHO/UNICEF target of Sanitation for All by the end of 2025 is achieved. On-site sanitation technologies, such as ventilated improved pit (VIP) latrines, pour-flush toilets and ecological sanitation toilets, are either technically infeasible in high-density areas or more expensive than simplified sewerage. Simplified sewerage is often institutionally and professionally acceptable to sewerage authorities simply because it is a sewerage system, albeit different from conventional sewer

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3

O, Khalidullin. "Sewerage and Climate." Acta Scientific Microbiology 2, no. 9 (2019): 145–46. http://dx.doi.org/10.31080/asmi.2019.02.0416.

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4

Ichikawa, Arata. "Japan's sewerage system." International Journal of Water Resources Development 4, no. 1 (1988): 35–39. http://dx.doi.org/10.1080/07900628808722368.

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5

Kalyuzhniy, Anatoly, Lyudmyla Zubrycheva, and Vasyl Savyk. "Technical and Economic Synergetic Effect in Conditions of Innovative Transformation of Water Supply and Sewerage Economy." International Journal of Engineering & Technology 7, no. 3.2 (2018): 602. http://dx.doi.org/10.14419/ijet.v7i3.2.14599.

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There has been conducted a study of interdependence between technical and economic researches of diameters calculation of water pressure supply and sewerage networks. There has been offered the method to calculate the optimal diameter of water pressure supply and sewerage networks made of polymeric pipes. This qualitative and quantity methodology includes, firstly, the observation review of Ukrainian water supply and sewerage networks and, secondly, the survey of financial and economic documents of water supply and sewerage economy. The factual basis of the study is the initial data of statist

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Arsanata, Kholifah Maulidya, and Eram Tunggul Pawenang. "The Analysis of the Household Wastewater Sewerage Ownership Factor in the Working Area of Pamotan Health Center, Rembang Regency, Central Java." Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan 21, no. 1 (2024): 264–75. http://dx.doi.org/10.14710/presipitasi.v21i1.264-275.

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Households with access to wastewater sewerage in Pamotan in 2022 only be 69.9%. This study aims to find out the factors related to household wastewater sewerage ownership in the Pamotan Community Health Center Working Area. This research was an observational analytic using a cross-sectional design. The research population was all families in Pamotan subdistrict villages with the lowest ownership of wastewater sewerage, with a sample size of 90 families. The independent variables are land availability, length of year residence, knowledge, education, and income for the dependent variable, that a

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7

Ashipala, N., and N. P. Armitage. "Impediments to the adoption of alternative sewerage in South African urban informal settlements." Water Science and Technology 64, no. 9 (2011): 1781–89. http://dx.doi.org/10.2166/wst.2011.746.

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In recent decades South Africa has witnessed a substantial growth in its urban population. This growth has been accompanied by the mushrooming of informal settlements (shantytowns) flanking more formal development. The lack of adequate urban drainage in many of these informal settlements has resulted in extremely polluted environments which add to the disease burden of the poor people who live there. In many instances, informal settlements in South Africa are established on marginal land that is inherently difficult to service using conventional gravity sewerage. International experience has s

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8

Mara, Duncan. "‘Top-down’ planning for scalable sustainable sanitation in high-density low-income urban areas: is it more appropriate than ‘bottom-up’ planning?" Journal of Water, Sanitation and Hygiene for Development 8, no. 2 (2018): 165–75. http://dx.doi.org/10.2166/washdev.2018.101.

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Abstract We argue that, if the sanitation target of the Sustainable Development Goals (universal access to ‘safely-managed’ sanitation by 2030) is to have any chance of success, then a community-sensitive top-down planning approach has to be adopted for sanitation provision in high-density low-income urban areas in developing countries, as ‘bottom-up’ planning is much more time-consuming and not yet successfully proven at scale. In high-density low-income urban areas, there is only a limited choice for safely-managed sanitation: (i) simplified/condominial sewerage (which becomes cheaper than o

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9

Xun, Ping, Shuai Huang, and Ning Bo Liu. "Application Explores in Energy-Saving Materials of Water Supply and Sewerage Works." Advanced Materials Research 1061-1062 (December 2014): 230–33. http://dx.doi.org/10.4028/www.scientific.net/amr.1061-1062.230.

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Combined with author's rich construction experience in water supply and sewerage works, analyzes and explores the background of energy-saving materials in water supply and sewerage works, dissects the situation of China's current energy-saving materials applied to the water supply and sewerage works, and forecasts the direction of the future development of new energy-saving materials.

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10

Harada, H., S. Matsui, N. T. Dong, Y. Shimizu, and S. Fujii. "Incremental sanitation improvement strategy: comparison of options for Hanoi, Vietnam." Water Science and Technology 62, no. 10 (2010): 2225–34. http://dx.doi.org/10.2166/wst.2010.508.

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Urban sanitation issues should be tackled strategically, and may be addressed effectively when sewerage development is pursued in conjunction with complementary sanitation measures. Five sanitation improvement scenarios employing sewerage, night-soil collection-and-treatment (NSCT) system, and/or septic-tank improvement by annual desludging were analyzed from the perspective of COD loads, total nitrogen loads, and cost under the conditions found in Hanoi, Vietnam. Compared to the development of sewerage alone, the scenario of developing NSCT systems in a complementary manner with sewerage deve

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11

Rony, Jahid Hasan, Nazmul Karim, MD Abdur Rouf, Md Monirul Islam, Jia Uddin, and Momotaz Begum. "A Cost-Effective IoT Model for a Smart Sewerage Management System Using Sensors." J 4, no. 3 (2021): 356–66. http://dx.doi.org/10.3390/j4030027.

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The sewerage system is a primary element of a city and is responsible for the congestion of both rain and gray water from homes and industries. It is essential to have a monitoring system and a plan to perform prior expansion in the sewerage management system, to avoid massive disruption. However, there is no monitoring system in several overpopulated cities in the world, and the expansion process faces myriad difficulties and takes much time. This paper presents a model for an intelligent sewerage management system that provides real-time monitoring without any major changes to the previous s

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Dolata, Małgorzata, and Jarosław Lira. "Rozwój infrastruktury wodno-ściekowej na obszarach wiejskich woj. wielkopolskiego." Wiadomości Statystyczne. The Polish Statistician 2011, no. 6 (2011): 36–48. http://dx.doi.org/10.59139/ws.2011.06.5.

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The article presents changes in the water and sewerage infrastructure in rural powiats of the Wielkopolskie voivodship in the years 1999–2008. Survey results confirm intuitively formulated conclusions that the most quickly developing elements of the water and sewerage infrastructure was sewerage system in powiats of the low and very low infrastructural level. A rural population number using waste water treatment plant services increased more quickly in powiats typical for extreme classes of infrastructural equipment. Water system was the most slowly developing element of the water and sewerage

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13

Tasnim, Tasnim, and Ade Saputra. "EFFECT OF HEALTH PROMOTION USING BOOKLET MEDIA ON THE LEVEL OF PUBLIC KNOWLEDGE ABOUT SEWERAGE WASTE WATER IN COASTAL AREAS SAMAJAYA VILLAGE." INDONESIAN JOURNAL OF HEALTH SCIENCES RESEARCH AND DEVELOPMENT (IJHSRD) 4, no. 1 (2022): 26–33. http://dx.doi.org/10.36566/ijhsrd/vol4.iss1/122.

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Background: The availability of sewerage was still a problem for people living in the coastal area of Samajaya Village. Where, the sewerage that met the requirements is only 58.33% in Samajaya village. The purpose of this study was to determine the effect of health promotion using booklet media on the level of public knowledge about sewerage in the coastal area of Samajaya village. Methods: This study used the pre-experimental method with One Group Pre-test and Post-test Design. The population in this study were 131 heads of families in the village of Samajaya. Where, the sample size were 99 h

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Harder, D. S., A. J. U. Sajise, and E. M. Galing. "Willingness to pay for sanitation services in Dagupan City, Philippines." Journal of Water, Sanitation and Hygiene for Development 3, no. 2 (2013): 165–80. http://dx.doi.org/10.2166/washdev.2013.064.

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Using the Contingent Valuation Method (CVM), the study looks at the septage management and sewerage services demand of households with latrines in Dagupan City, Philippines vis-à-vis the cost of providing these services. The survey covers a total of 1,200 respondents for the septage and sewerage demand study. For the septage and sewerage studies, income was shown to significantly influence willingness to pay (WTP). WTP was also found to increase across income groups, indicating the plausibility of implementing a socialized pricing scheme for the septage and sewerage fees. Another important imp

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15

Yang, M. D., and T. C. Su. "Automation model of sewerage rehabilitation planning." Water Science and Technology 54, no. 11-12 (2006): 225–32. http://dx.doi.org/10.2166/wst.2006.805.

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The major steps of sewerage rehabilitation include inspection of sewerage, assessment of structural conditions, computation of structural condition grades, and determination of rehabilitation methods and materials. Conventionally, sewerage rehabilitation planning relies on experts with professional background that is tedious and time-consuming. This paper proposes an automation model of planning optimal sewerage rehabilitation strategies for the sewer system by integrating image process, clustering technology, optimization, and visualization display. Firstly, image processing techniques, such

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16

Kaur, Amandeep, Yasmeen Atwal Sonik, and Bhavay Sonik. "Institutional Experience of Routine Radiation Surveillance of Delay and Decay Tanks Facility in a Department Having High-dose Iodine Therapy Unit." Indian Journal of Nuclear Medicine 39, no. 2 (2024): 83–86. http://dx.doi.org/10.4103/ijnm.ijnm_58_23.

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Abstract Background: Radioactive solid and liquid waste generated by patients after high-dose iodine therapy may lead to significant radiation exposure if not properly handled. Aims and Objectives: This study was conducted to monitor the radiation exposure along the sewerage drainage system of the high-dose iodine therapy ward and to rule out leakage if any, that might pose a potential radiation hazard to the general public (sewerage workers) and radiation health professional. Materials and Methods: The sewerage drainage system from isolation wards has multiple gate valves to regulate sewerage

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17

Bortenschlager, Peter. "The Vienna Sewerage System." Water Science and Technology 22, no. 5 (1990): 235–40. http://dx.doi.org/10.2166/wst.1990.0034.

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After the practice for many decades had been to introduce waste waters into the nearest receiving bodies, i.e. Wien River, Donaukanal, and Danube, a multitude of intercepting sewers and a central treatment plant were built from 1969 to 1980. Subsumed under the working title “WABAS 80 -- Wiener Abwasserbeseitigungssysteme 1980”, these facilities guaranteed that all effluent produced in Vienna was brought to the central treatment plant for purification. Since 1986 a programme has been in effect to expand the existing sewage system and improve obsolete sewers, the aim being to preserve groundwate

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Vines, Marcus, and Bob Reed. "Low-cost unconventional sewerage." Waterlines 9, no. 1 (1990): 26–29. http://dx.doi.org/10.3362/0262-8104.1990.028.

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O HARE, K. J. "THE STAVELEY SEWERAGE STRATEGY." Proceedings of the Institution of Civil Engineers - Municipal Engineer 133, no. 1 (1999): 1–8. http://dx.doi.org/10.1680/imuen.1999.31465.

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MIZUTANI, Juntaro, and Toshihiko TAMAMA. "REALIZATION OF SUSTAINABLE SEWERAGE." ENVIRONMENTAL SYSTEMS RESEARCH 26 (1998): 655–66. http://dx.doi.org/10.2208/proer1988.26.655.

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21

WATANABE, Chonosuke. "Pressure type sewerage system." Journal of Environmental Conservation Engineering 16, no. 6 (1987): 419–23. http://dx.doi.org/10.5956/jriet.16.419.

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Siahaan, Sondang, Rina Fauziah, Suparmi Suparmi, and Supriatna Supriatna. "Determinant of Sewerage Availability." Environment and Ecology Research 11, no. 2 (2023): 406–10. http://dx.doi.org/10.13189/eer.2023.110214.

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Koizumi, A., and T. Inakazu. "A Multipurpose Optimization Model for Area-Wide Sewerage Systems." Environment and Planning A: Economy and Space 21, no. 8 (1989): 1015–26. http://dx.doi.org/10.1068/a211015.

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In this paper the goal programming model is given that deals with the optimal scale and location of an area-wide sewerage system, consisting of trunk sewers, treatment plants, and pumping stations. The uncertainty of future wastewater volume is considered, and the regional objectives are evaluated. Hence, the model is composed of several constraints and of three objective functions (goals). The major constraints are the capacity of the treatment plants and the estimated range of wastewater amount in each municipality. The goals are to minimize total cost and environmental impact, while maximiz

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Kaczor, Grzegorz B., Krzysztof Chmielowski, and Piotr Bugajski. "Influence of extraneous waters on the quality and loads of pollutants in wastewater discharged into the treatment plant." Journal of Water and Land Development 33, no. 1 (2017): 73–78. http://dx.doi.org/10.1515/jwld-2017-0021.

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Abstract The aim of the study was to analyze an influence of an inflow penetrating into two selected small sewerage systems during a rainy weather on pollutant concentration and load in raw sewage. Studies were conducted in 2010–2015 on two small sewerage systems in Małopolska province. The studies confirmed that the inflow penetrating into the sewerage systems resulted in a decrease of pollutant concentrations in sewage. However, they also showed that this dilution was not constant for all types of pollutants. The most important outcome of the study was demonstrating that despite its diluting

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Sommer, T., C. Karpf, N. Ettrich, et al. "Coupled modelling of subsurface water flux for an integrated flood risk management." Natural Hazards and Earth System Sciences 9, no. 4 (2009): 1277–90. http://dx.doi.org/10.5194/nhess-9-1277-2009.

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Abstract. Flood events cause significant damage not only on the surface but also underground. Infiltration of surface water into soil, flooding through the urban sewer system and, in consequence, rising groundwater are the main causes of subsurface damage. The modelling of flooding events is an important part of flood risk assessment. The processes of subsurface discharge of infiltrated water necessitate coupled modelling tools of both, surface and subsurface water fluxes. Therefore, codes for surface flooding, for discharge in the sewerage system and for groundwater flow were coupled with eac

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Topor, Dan Ioan, Constantin Anghelache, Constantin Aurelian Ionescu, et al. "Econometric Model for the Financial Performance of Romanian Companies Operating in the Water Supply and Sewerage Field." Water 14, no. 12 (2022): 1929. http://dx.doi.org/10.3390/w14121929.

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This research aims to measure the financial performance of companies in the water and sewerage sector by creating a sustainable econometric model for making long-term strategic decisions for managers and stakeholders. The research methodology consisted of the use and statistical processing of the data included in the summary financial statements of 40 regional operators in the field from 2014 to 2020. Multiple linear regression has been created with which stakeholders and water and sewerage specialists can shape changes in value-added variation, the average cost per employee, labor productivit

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Obloukova, Aneta, and Eva Vitkova. "Pricing of water and sewerage charge rates of a selected water management company in the Czech Republic – a case study." E3S Web of Conferences 550 (2024): 01023. http://dx.doi.org/10.1051/e3sconf/202455001023.

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The article deals with water and sewerage charge rates issues in the Czech Republic over the last 4 years. This article is focused only on part of the research. Research is based on data collection. The data were obtained from the internet portal eAGRI.cz. The aim of the article is to describe the development of water and sewerage charge rates in the Czech Republic during the last 4 years (2018-2021) and to analyse the pricing of a selected company in the Czech Republic. First, analyse the average water and sewerage charge rates system in the Czech Republic in the monitored period, then define

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Otterpohl, Ralf, Martin Freund, Juan Pablo Sanz, and Andreas Durchschlag. "JOINT CONSIDERATION OF SEWERAGE SYSTEM AND W ASTEW ATER TREATMENT PLANT." Water Science and Technology 30, no. 1 (1994): 147–55. http://dx.doi.org/10.2166/wst.1994.0016.

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The total efficiency of combined sewerage systems and wastewater treatment plants (WTP) sbould be considered. By an overall planning procedure the benefits of the whole system can be optimized. For the estimation of the system behaviour with different rain events, computer simulations of the sewerage system including storage tanks and the treatment plant have to be carried out. The two systems are not coupled mathematically allowing separate simulation. Hydrographs of different scenarios computed for the sewerage system can be used for simulations of the WTP. For comparing the effects of diffe

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Zsótér, Brigitta. "Egy dél-békési település, Mezőhegyes víz- és csatornaellátottságának vizsgálata 1990 és 2006 között." Jelenkori Társadalmi és Gazdasági Folyamatok 4, no. 1 (2009): 72–75. http://dx.doi.org/10.14232/jtgf.2009.1.72-75.

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The aim of the research was to find answer to the following question: did a small town (Mezőhegyes) in the southern part of County Békés manage to keep up with the other towns of the county in terms of sewerage in the period between 1990 and 2006? Regarding the length of the sewerage per one km of the public water network Mezőhegyes has never belonged to the towns with the best sewerage. It was the 12th on the list of twelve towns in 1990, the 7th on the list of seventeen in 2001, and in 2006 it was the 11th in the rank of eighteen towns. Considering the data of the sewerage it can be ascertai

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Chiba, Yasuto, Takao Jo, and Norio Ito. "Earthquake resistance of sewerage pipe line facilities." Water Science and Technology 34, no. 3-4 (1996): 111–15. http://dx.doi.org/10.2166/wst.1996.0423.

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As may be gathered from the fact that Japan is known as an earthquake archipelago, the country has experienced earthquakes in numerous areas in the past and has suffered from great damage as a result of these. Although the need for earthquake resistance measures in pipe line facilities has increased as a result of this earthquake damage, there is still a shortage of information regarding sewerage pipe materials that are earthquake resistant. In order to rectify this situation, Japan Institute of Wastewater Engineering Technology (JIWET) has brought together sewerage pipe materials that are con

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Palanca-Tan, Rosalina. "Health and water quality benefits of alternative sewerage systems in Metro Manila, Philippines." Environment and Urbanization 29, no. 2 (2017): 567–80. http://dx.doi.org/10.1177/0956247817718402.

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This paper presents results of a household survey on the current sanitation and sewerage conditions in Metro Manila. The survey included a choice, measured in terms of the marginal willingness to pay (MWTP), between two alternative domestic wastewater treatment systems: 1) a sewerage system connecting individual households to a treatment plant through sewer lines; and 2) a combined drainage–sewerage system in which wastewater effluent flows with rainwater through flood canals and is intercepted for treatment only at a certain point in the waterway. With the second, the health improvement effec

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Repel, Adam, Martina Zeleňáková, Gabriel Markovič, and Lenka Findoráková. "Sewage system design for the Čierna Lehota - Slavošovce – Rochovce agglomeration." E3S Web of Conferences 45 (2018): 00108. http://dx.doi.org/10.1051/e3sconf/20184500108.

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The development of public sewerage systems in Slovakia is significantly behind in the state of supply of drinking water. The number of inhabitants connected to the public sewerage system in Slovakia is considerably lagging behind in the state of the population supplied with drinking water, by about 28.4% less in the number of connected inhabitants. Designing sewerage in urbanized areas improves the quality of the environment and the quality of life of townspeople and municipalities. The aim of the paper is the processing of basic information about the current status of the affected area, desig

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A. U. Alka, U. A. Abubakar, and S. B. Igboro. "Improved Design of Sanitary System at the Nigerian College of Aviation Technology (NCAT), Zaria." African Journal of Environmental Sciences and Renewable Energy 15, no. 1 (2024): 88–103. http://dx.doi.org/10.62154/b8pxgv34.

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Sanitation is a basic human requirement with the primary aim of separating human waste from settlements to prevent the spread of diseases. This study presents a preliminary design of a centralized sewerage collection, transportation, treatment, and final disposal system for the Nigerian College of Aviation Technology (NCAT) Zaria, Kaduna State (Site 1). The results of physico-chemical analysis of samples showed concentrations of Nitrates (2,550mg/l) and total suspended solids T.S.S. (1,778mg/l) were above the acceptable standard limits. The concentrations of Zinc (5.31mg/l) and Lead (2.78mg/l)

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Holad, Yuliya V., and Sniazhana A. Dubianok. "IMPROVEMENT OF METHODOLOGICAL APPROACHES TO ACCOUNTING OF HOUSEHOLD WASTEWATER SUPPLIED TO TREATMENT FACILITIES IN SETTLEMENTS OF THE REPUBLIC OF BELARUS." Journal of the Belarusian State University. Ecology., no. 4 (December 25, 2021): 89–102. http://dx.doi.org/10.46646/2521-683x/2021-4-89-102.

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Domestic wastewater is one of the main factors influencing the formation of wastewater flowing through centralized drainage systems (sewerage) to wastewater treatment plants in settlements of the Republic of Belarus. The centralized sewage systems (sewerage) of settlements receive domestic wastewater from consumers (population) and subscribers (legal entities, individual entrepreneurs), as well as their own domestic wastewater from enterprises of water supply and sewerage services and housing and communal services. At the same time, centralized sewerage systems (sewerage systems) are designed

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Iryanto, Andika Agus, Yura Witsqa Firmansyah, Wahyu Widyantoro, and Annisa Zolanda. "Spatial Patterns of Environmental Sanitation Factors as Determinants of Toddlers’ Diarrhea in Pauh District, Padang City in 2021." JURNAL KESEHATAN LINGKUNGAN 14, no. 2 (2022): 71–81. http://dx.doi.org/10.20473/jkl.v14i2.2022.71-81.

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Introduction: The Padang City Health Office reported 9,452 diarrhea cases in 2019, 2,248 in toddlers. The Pauh District reported 413 diarrhea cases, 110 of which occurred in toddlers. Spatial analysis was used to assess environmental sanitation as determinant of toddlers’ diarrhea incidence in Pauh District, Padang City. Methods: This observational study used a cross-sectional approach. The population was 4,653 toddlers, and the sample was 100 toddlers. The independent variables in this study include environmental sanitation factors such as the quality of clean water (presence of Escherichia c

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Mester, Tamás, György Szabó, and Dániel Balla. "Assessment of Shallow Groundwater Purification Processes after the Construction of a Municipal Sewerage Network." Water 13, no. 14 (2021): 1946. http://dx.doi.org/10.3390/w13141946.

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In the present study, the impact of the construction of the sewerage network (2014) on groundwater quality was studied on the example of a middle-sized settlement in the Great Hungarian Plain and changes in water quality were assessed using GIS and multivariate statistical analysis. As a result of the pollution that has been going on for decades, the groundwater supply of the municipality has become heavily polluted. In the period before sewerage (2011–2013), clear spatial differences were shown in the degree of contamination in the area of the settlement: the degree of contamination increased

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Tkachuk, Olexander, Yana Yaruta, Yaruta Shevchuk, and Anna Azizova. "Theoretical Bases of the Compatible Work of the Constraction of Stormwater Drainage Systems in the Regulation of Stormwater Runoff." International Journal of Engineering & Technology 7, no. 4.8 (2018): 432–39. http://dx.doi.org/10.14419/ijet.v7i4.8.27285.

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Measures of flooding process on urban areas, urban stormwater sewerage systems and methods regulation of stormwater need to be rectification. The method of temporary interception stormwater at places of their precipitation with infiltration basins is reviewed.Infiltration basins are used to reduce the peak load on existing stormwater sewerage facilities, prevent the causes of flooding by stormwater. The processes of stormwater formation on urban areas is analyzed. Analytical dependencies for the hydrograph construction of flow through sewers and their inflow to the accumulation points were obt

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Câmara, A. S., D. Pereira, A. Fonseca, and S. Sequeira. "Maintenance Strategies for Sewerage Systems." Water Science and Technology 19, no. 3-4 (1987): 603–11. http://dx.doi.org/10.2166/wst.1987.0240.

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Abstract (sommario):

The problem of decaying sewerage systems is a timely topic in many urban areas, due to its importance to societal needs and to the large amounts of capital expeditures needed to bring the concerned systems to an adequate level of serviceability. Thus, there is a need for better maintenance decision-making related to periodic inspection and cleaning, repair, rehabilitation or replacement of the equipment. In this paper, an approach offering integrated solutions to upgrade such systems, taking into account existing and foreseen structural and hydraulic conditions, is presented. The methodology r

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39

HODGKINSON, D. H., and C. J. FULLER. "FIRST-TIME SEWERAGE IN SEVENOAKS." Proceedings of the Institution of Civil Engineers - Municipal Engineer 115, no. 4 (1996): 209–17. http://dx.doi.org/10.1680/imuen.1996.29134.

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40

Nishiguchi, Yasuo. "Perspective of the Sewerage Project." Japan journal of water pollution research 11, no. 4 (1988): 214–17. http://dx.doi.org/10.2965/jswe1978.11.214.

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41

Senfa, Chen. "Optimization of Gravity Sewerage Systems." IFAC Proceedings Volumes 18, no. 9 (1985): 361–66. http://dx.doi.org/10.1016/s1474-6670(17)60315-x.

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42

Shindaile, Charles. "OPPORTUNITIES AVAILABLE FOR COMMERCIAL WATER UTILITIES IN ZAMBIA A CASE STUDY OF SOUTHERN WATER AND SEWERAGE COMPANY LIMITED." EPH - International Journal of Business & Management Science 5, no. 3 (2019): 34–71. http://dx.doi.org/10.53555/eijbms.v5i3.87.

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Abstract (sommario):

Water commercialization/privatization has been a controversy in Africa and world-over in urban and peri-urban areas from the time of its inception to date. Though the objectives have been good in terms of efficiencies, it has some good non-efficiencies reasons for intervention by governments and other partners such as social and political ones. Many commercialization/privatization of water utilities have been formed out of pressure either by donors or from pressure resulting from market economy. Each commercialized/privatized water utility has/had its own experience. This case study of the opp

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43

Shtepa, Volodymyr, Natalia Junakova, Nataliia Zaiets, Nataliia Lutska, Yelizaveta Chernysh, and Magdalena Balintova. "Conceptual Model of Digitization of the Municipal Wastewater Disposal Systems." Water 16, no. 23 (2024): 3483. https://doi.org/10.3390/w16233483.

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Abstract (sommario):

In the modern world, intelligent and digital wastewater disposal systems are increasingly in demand for real-time decision-making on the environmental efficiency of wastewater disposal. The aim of the study is to develop wastewater management processes for monitoring and predicting the parameters of sewerage networks. This paper presents the results of physical modeling of changes in the properties of aqueous solutions transported through the sewerage network to the treatment plant. It was found that the quality of wastewater without additional pollutants is stable, but under the influence of

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44

Hellström, Daniel, and Erik Kärrman. "Exergy analysis and nutrient flows of various sewerage systems." Water Science and Technology 35, no. 9 (1997): 135–44. http://dx.doi.org/10.2166/wst.1997.0337.

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Abstract (sommario):

There is an increasing demand for more sustainable sewerage systems. An important tool in the analysis of the sustainability of a sewerage system is exergy analysis. It is possible, by using an exergy analysis, to estimate the consumption of physical resources. In the present study, the demand on resources in the sewerage system of Bergsjon, a district of Göteborg, Sweden, was evaluated through exergy analysis. The case study included the existing system and two sewerage system alternatives. One important aspect of a sustainable sanitary system is nutrients recycling from sewage to agriculture

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45

Lavygina, Olga L., Oksana A. Grebneva, and Aleksander V. Alekseev. "Environmental risk prevention during the reconstruction of the sewerage system in the Lake Baikal central ecological zone." Journal «Izvestiya vuzov. Investitsiyi. Stroyitelstvo. Nedvizhimost» 12, no. 1 (2022): 62–69. http://dx.doi.org/10.21285/2227-2917-2022-1-62-69.

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Abstract (sommario):

Abstract. Reduction of environmental risks involved with the operation of public utilities in the Baikal natural territory presents a relevant research task. The safety operation of sewerage systems can be ensured by minimising the risk of emergencies related to the volley of sewage. In this study, we assess the rate of possible environmental damage from emergencies in sewerage systems as a result of their high wear and insufficient capacity. We provide a calculation of the prevented environmental damage during the reconstruction of the sewerage system in the territory of Irkutsk. In the condu

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46

Chipiga, L. A., A. V. Vodovatov, I. A. Zvonova, et al. "Management of biological waste of patients after radionuclide therapy." Radiatsionnaya Gygiena = Radiation Hygiene 15, no. 2 (2022): 19–30. http://dx.doi.org/10.21514/1998-426x-2022-15-2-19-30.

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Abstract (sommario):

Radioactive waste management is a modern-day issue in terms of radiation safety due to the development of radionuclide therapy, the emergence of new radiopharmaceuticals, radionuclides, and treatment methods, which allow for radionuclide therapy in a day hospital. According to the current domestic regulatory and methodological support biological wastes generated during the patient’s metabolic activity after injection of the radiopharmaceuticals for the therapy refer to the liquid radioactive waste. These wastes must be collected and kept for decay in hospitals to the safe levels before being s

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47

Balla, Dániel, Emőke Kiss, Marianna Zichar, and Tamás Mester. "Spatiotemporal Dynamics of Water Quality: Long-Term Assessment Using Water Quality Indices and GIS." ISPRS International Journal of Geo-Information 13, no. 11 (2024): 408. http://dx.doi.org/10.3390/ijgi13110408.

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Abstract (sommario):

The severe contamination of groundwater supplies in rural areas is a global problem that requires strict environmental measures. Related to this, one of the most important challenges at present is the elimination of local sources of pollution. Therefore, this research examined the local water quality changes following the construction of the sewerage network, under the framework of long-term monitoring (2011–2022) in Báránd, Hungary, using water quality indices and GIS (Geographic Information System) techniques. In order to understand the purification processes and spatial and temporal changes

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48

Arthur, Scott, Helen Crow, and Naoum Karikas. "Including public perception data in the evaluation of the consequences of sewerage derived urban flooding." Water Science and Technology 60, no. 1 (2009): 231–42. http://dx.doi.org/10.2166/wst.2009.334.

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Abstract (sommario):

This text reports research which was undertaken to assess the failure consequences associated with sewerage systems. In an effort to move away from considering only flood volume, depth or extent, the text will focus on how a survey of public opinion was used to inform the development of a consequence scoring methodology. The failure consequences considered range from internal flooding of properties, to road closure, environmental damage and odour problems. The text reports the extent to which experience of flooding influences perceptions of failure consequence and sewerage system management. I

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49

Pochwat, Kamil. "The use of artificial neural networks for analyzing the sensitivity of a retention tank." E3S Web of Conferences 45 (2018): 00066. http://dx.doi.org/10.1051/e3sconf/20184500066.

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Abstract (sommario):

Designing retention facilities is a complex engineering process that requires the collection of the detailed hydrological data of a catchment and hydraulic sewerage system. The acquired data are necessary to prepare a model of the retention tank in appropriate software for hydrodynamic modelling. The article shows the results of tests concerning the analysis of the sensitivity of a sewerage model of a rainwater retention tank which may be implemented in this software. The results of tests allowed determining the impact of the individual hydraulic characteristics of the catchment and the sewera

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50

Merchán-Sanmartín, Bethy, Maribel Aguilar-Aguilar, Fernando Morante-Carballo, et al. "Design of Sewerage System and Wastewater Treatment in a Rural Sector: A Case Study." International Journal of Sustainable Development and Planning 17, no. 1 (2022): 51–61. http://dx.doi.org/10.18280/ijsdp.170105.

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Abstract (sommario):

The accelerated growth of the population in recent years presents, as a great consequence, a significant increase in wastewater, which, on many occasions, is not discharged properly. This work aims to design a sewerage and wastewater treatment system in Las Mercedes commune in southern Ecuador based on geological, topographic, hydrological, geochemical and demographic parameters. All this focused on reducing pollution and complying with current national and international regulations, meeting the needs of the rural population studied. The methodology used consists of four phases: i) collection,

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