wastewater management Articles
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Estimating relative benefits of differing strategies for management of wastewater in Lower Egypt using quantitative microbial risk analysis
The report uses a theoretical model of a typical drainage basin, but the approach could be applied to many of the drainage basins managed by the holding company for water and wastewater in Egypt. This study set out to assess the relative health impacts of different wastewater management strategies on health in the Nile delta region using an approach similar to that used in the Ghana. The ultimate ...
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Water and wastewater management technologies through the centuries
The aim of this paper is to propose a journey through the history of water and wastewater management technologies in the ancient civilizations, a sort of Appian Way (“Via Appia”, the “regina longarum viarum”) through the Centuries. Moreover, this paper is a sort of short summary of papers presented in the first two IWA Specialty Conferences on Water and Wastewater Technologies in Ancient ...
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Major urban water and wastewater systems in Minoan Crete, Greece
During the Minoan era a number of remarkable developments occurred on the Greek island of Crete which have been widely recognized. However, one of the salient characteristics was the architectural and hydraulic function of its water supply, sewerage, and drainage systems in the Minoan palaces, cities, and other settlements. It might be inferred, therefore, that Minoan master craftsmen in Bronze ...
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A brief history of water supply and wastewater management in ancient Greece
The evolution of urban water management in ancient Greece begins in Crete during the Middle Bronze and the beginning of the Late Bronze Ages (ca. 2000–1500 B.C.) when many remarkable developments occurred in several stages as Minoan civilization flourished on the island. One of its salient characteristics was the architectural and hydraulic function of its water supply and sewerage systems in the ...
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Decentralized wastewater management in Kieu Ky Vietnam
1. Overview and Key Points In order to eliminate the common ‘out of sight out of mind approach’ in sanitation, whereby sewers and/or drains are discharged into rivers, a Decentralized Wastewater Treatment System (DEWATS) was designed and implemented in Kieu Ky to treat wastewaters arising residential properties and various craft industries. A clear understanding of topography, ...
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Urban waste- and stormwater management in Greece: past, present and future
Urban wastewater and storm management has a long history which coincides with the appearance of the first organized human settlements (ca. 3500 BC). It began in prehistoric Crete during the Early Bronze Age (ca. 3200 BC) when many remarkable developments occurred in several stages known as Minoan civilization. One of its salient characteristics was the architecture and function of its ...
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Wastewater disposal in the major cities of India
In India, out of the total population of 1,027 million, about 285 million live in urban areas. With increasing urbanisation and the pressures of population, the impervious areas in the metropolitan cities are increasing. With increasing water supply to the metro cities, the drainage managers are faced with the task of managing the wastewater from the highly populated areas. However, drainage ...
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Alpine resort leads the way in wastewater treatment
One of the world’s most popular ski resorts, Courchevel in the French Alps, has introduced an innovative wastewater treatment system to manage the sharp increase in capacity needed during the winter months. During the winter months, the population of Courchevel triples and the traditional aerated wastewater treatment system at nearby Bozel was finding it difficult to meet demand. The local ...
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Energy from wastewater How breweries can tap undiscovered energy resources
The fact that beer is a nourishing energy supplier was known to beer-brewing monks as early as the Middle Ages. After all, it also had to act as food during the hard times of Lent. However, the fact that this beverage, which is popular throughout the world, could become an energy supplier for the brewery and the environment in the course of the manufacturing process – to be exact, during ...
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Comparison of the inspector and rating protocol uncertainty influence in the condition rating of sewers
Wastewater drainage systems asset management decisions, in particular regarding rehabilitation interventions, are largely dependent on close-circuit television (CCTV) inspection results. However, the results of CCTV inspections are affected by several sources of uncertainty. Within the present communication, the inspector's uncertainty is quantified by comparing periodic inspection ...
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Hydro-technologies in the Minoan Era
Significant characteristics of the Minoan civilization were: (a) their peaceful living with their environment and neighbors (although the Minoans dominated in the Mediterranean for almost two millennia, in none of the numerous wars and/or conflicts that occurred in the region were they directly or indirectly involved) and (b) technological developments that are unprecedented in world history, ...
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Food processor requires grease management case study
Greasebeta Helps Meat Processing Plant Impress Water Authority Northumbrian Water is reportedly “over the moon” with Tyne & Wear based meat product manufacturer SMP (GB) Ltd since the company installed a GreaseBeta system from Cleveland Biotech in April 2005, preventing its production processes polluting and blocking the public drains. “After we received a letter from Dave ...
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Isle Insights: Tackling the Challenge of Storm Overflows
Isle unravels’ the intricacies of storm overflows, exploring their impact on water quality, public health, and environmental integrity. Gain a comprehensive understanding of the challenges facing the industry, from overloaded sewers to the urgent need for nature-based sustainable solutions. ...
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Geographic information systems, key to efficient water management
The supply of drinking water is one of the greatest challenges currently facing a large part of the world’s regions. According to the latest data published by the UN, water losses in water distribution networks are a major concern, with Non-Revenue Water or non-billed water accounting for the supply of water to almost 200 million people. Digital transformation plays a major role in solving ...
By Idrica
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Comparing Plastic and Concrete Septic Tanks: Which Is Right for Your Property
Answering the Big Questions It was the first time building his own house. Eric Clark had just bought 2 acres on the outskirts of town, where he planned on building a 3-bedroom home for him and his family. Eric chose everything he thought he needed for his new home. The contractors were hired and he was ready to see construction begin. But when Eric was asked whether he wanted a plastic ...
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Can Produced Water Be Safely Reused?
The oil and gas industry produces billions of gallons of heavily contaminated wastewater that could be recycled into a valuable resource The oil and gas industry is an extremely water-intensive one. Millions of gallons are used during the hydraulic fracturing process, and billions of gallons of wastewater are generated from these activities. Around 250 million barrels of produced water are ...
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Research project to remove microplastics from the water cycle
INVENT Umwelt- und Verfahrenstechnik AG is a project partner in the BMBF project to remove microplastics from the water cycle. Water is an indispensable element and the basis of life. The consequence of the increasing use of plastics for over 60 years is an undesired input into the environment. Small plastic particles (microplastics) from households and urban areas can enter the water cycle. ...
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Municipal Wastewater Treatment - Prichard, Alabama - Case Study
TenCate develops and produces materials that function to increase performance, reduce costs, and deliver measurable results by working with our customers to provide advanced solutions. THE CHALLENGE Prichard AL is a town of about 30.000 people north of Mobile. AL Paul David, the Sewer Board Superintendent, oversees the contract management of two (21 wastewater treatment plants. Actual ...
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New septic system at no cost?
DEAL ISLAND -- When Robert Archibald heard that Maryland offers free septic system upgrades, his gut response was one of, well, skepticism. After all, his house in Deal Island had a septic system that after more than 30 years of use was working just fine, he said. Additionally, what things in life -- no less, from government -- are actually free, he wondered? Two months ago, spurred in part by ...
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Creating Slipway Design Drawing
Designing slipways requires careful planning, engineering expertise, and attention to detail to ensure the safe and efficient launch and retrieval of vessels. Slipways are inclined ramps or platforms used for launching and docking boats, yachts, and ships in marine facilities such as boatyards, shipyards, and marinas. Creating detailed slipway design drawings is a crucial step in the construction ...
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