sewage water Articles
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Activated Sludge Types for Sewage & Water Treatment
Activated Sludge Types for Sewage & Water TreatmentIn the Activated Sludge Process for waste water treatment, microorganisms, including bacteria, fungi, and protozoa, are used to speed up the decomposition of organic matter requiring oxygen for treatment.The Activated Sludge name and meaning originates from the process it involves: the production of an activated mass of microorganisms capable ...
By YASA ET
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Dubai municipality wastewater treatment plant - Case Study
Client: Dubai municipality Location: Jebel Ali, Dubai, United Arab Emirates Period: 2016-2019 Client Dubai municipality needed to expand the sewage treatment of Dubai in order to be prepared for the visitors of the EXPO 2020 Dubai and the future population growth. Moreover, the expansion ensures that the sewage water is treated up to international standards. When the plant is finished, it will ...
By Dewaco Ltd.
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Share some universal knowledge about HDPE flap valve
HDPE flap valvespecifications of round and square HDPE flap valve two kinds, according to the size and shape of the outlet design and production; were hollow floats can knock on the door and a plate-plate HDPE flap valve. For pipes, sewage treatment, rivers drain produced at the shore one-way valve that has an automatic opening and closing function; sealing, anti-reflux good performance; ...
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Waste Disposal Companies: Providing Efficient Sewage and Waste Processing
When your business needs to dispose of sewage water and waste materials, waste disposal companies provide specialized services designed to remove waste efficiently. At Aqua-Zyme, we provide liquid waste dewatering services that separate waste solids for disposal and send the excess water to be treated in local ...
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Preparation and application of a new composite chitosan flocculant
A new composite chitosan flocculant has been prepared, and its optimal dosage in the treatment of sewage established. It significantly improves the removal of chemical oxygen demand, suspended solids and aluminium ions from water. Compared with the traditional flocculant polyaluminium chloride, the cost of the composite flocculant was lower and it produced less pollution.Keywords: chitosan, ...
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Why is it necessary to set up a homogeneous conditioning tank?
For the comprehensive sewage treatment plant, since there is more than one type of sewage discharged, and their water quality and quantity are constantly changing, it is very necessary to set up a homogenization regulating tank. The role of the homogeneous conditioning tank: Overcome the unevenness of sewage discharge, balance the changes of sewage water quality, water volume, and water ...
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Systematic methodology and practice of a co-governance program for five waters in a typical area of China
A co-governance program for five waters (CPFW), including sewage treatment, flood prevention, drainage, water supply and saving, is an innovative concept in water resource management. It includes current and near future system projects and advanced management policies for water utilization and protection. In this paper, the scientific connotation of CPFW is explained by multidisciplinary ...
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Analysis of Sewage and Sewage Sludge by Simultaneous ICP Spectroscopy
In recent years, the development and expansion of sewage treatment facilities has resulted in increased amounts of sludge which is generated in the treatment process, and which has presented a problem due to processing of the sludge itself. Sludge is normally incinerated or solidified and then disposed of in landfills or recycled for use in construction materials such as concrete or fertilizer. ...
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Near-infrared spectroscopic assessment of contamination level of sewage
We examined the use of near infrared (NIR) spectroscopy as a rapid technique for the evaluation of sewage quality. Influent water samples, primary sedimentation tank water samples, and final effluent water samples were collected from sewage treatment facilities in Nagoya, Japan and their NIR spectra obtained. Partial least squares (PLS) models for total phosphate (TP), total nitrogen (TN), ...
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Geodrilling Dec 14: Maintaining Reliable Water Supplies
This article describes Wessex’s problems with iron contamination and the borehole remediation work it has been doing with BoreSaver and Geoquip Water Solutions over the last four years. Water and sewage-treatment company Wessex water, serving an area of the south-west of England, talks us through its groundwater management programme and rehabilitation efforts. Around half of Wessex’s ...
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Comparison of MI, Chromocult® coliform, and Compass CC chromogenic culture-based methods to detect Escherichia coli and total coliforms in water using 16S rRNA sequencing for colony identification
The MI, Chromocult® coliform, and Compass CC chromogenic culture-based methods used to assess water quality by the detection of Escherichia coli and total coliforms were compared in terms of their specificity and sensitivity, using 16S rRNA sequencing for colony identification. A sewage water sample was divided in 2-μL subsamples for testing by all three culture-based methods. All growing ...
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The energy factory - producing energy, nutrients and clean water from sewage water
Conventional sewage treatment: Sludge line: 20 kg DM IE year to sludge; 1.500.000 tons sludge per year Sludge treatment and disposal: 40% of STP opex average cost € 330 / ton sludge (incl. dewatering and processing costs) Traditional (mesophilic ) sludge digestion: Prim. sludge / sec. sludge = 50 : 50 Hydraulic Retention Time 20 days Average yield: 25 – 40% ...
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ZA-FS-SG-0915C: Small Scale Flask Demonstration of the Treatment of Sewage Waste at Waste Water Plant - Case Study
Background Sewage waste water contains high concentrations of COD (chemical oxygen demand) and other harmful waste components that have a detrimental effect to the environment. Sewage treatment facilities often face challenges with the safe and efficient removal of these waste substances. Another problem that sewage treatment plants encounter is the sedimentation efficiency of the sludge once it ...
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Warden Biomedia Chosen for New Severn Trent Wastewater Plant - Case Study
Severn Trent Water Limited (STWL) is a regulated business with responsibilities for the provision of water and sewage services to over 8 million people in an area stretching from the Severn Estuary to the mouth of the Humber. Severn Trent Water Limited constructed two aerobic treatment units (ATUs) at an existing Sewage Treatment Works. The ATUs were required as part of wider asset maintenance ...
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Coliform Bacteria in Water and Sewage
https://www.yasa.ltd/post/coliform-bacteria-in-water-and-sewage-how-to-remove-it Safe drinking water is essential for maintaining good health. Coliform bacteria serve as indicators of water quality, helping to identify potential risks associated with fecal contamination. Understanding the significance of coliform bacteria and their role in sewage treatment is crucial in ensuring the safety of ...
By YASA ET
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Quality of inputs is important for product performance
Water scarcity and pollution are two issues of great concern in our country today and, with our ever-increasing pop-ulation, the problem is getting worse. The need of the hour is the on-site sewage treatment for re-use. We talk about procurement and related issues to Shahaveer Jamshedji, Managing Partner, Biowater Treatments Systems LLP. Range of products Biowater Treatment Systems LLP is into ...
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Behavior and fate of anthropogenic substances at a Swedish sewage treatment plant
The behavior and fate of anthropogenic substances during sewage treatment were investigated at a sewage treatment plant (STP) in Sweden which uses mechanical, chemical, and biological methods for sewage treatment and anaerobic digestion of sludge. Influent and effluent water, and sludge from two specific treatment sites were sampled. Mass balances were calculated from measured concentrations of ...
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Water quality assessment of Malad Creek, Mumbai, India: an impact of sewage and tidal water
The aim of the study was to carry out water quality assessment and to identify sources responsible for deterioration of quality in the Malad creek, Mumbai, India. Creek receives sewage and wastewater from various drains and partially treated effluent from Malad and Versova treatment facilities. To assess the water quality, sampling locations were identified in the creek based on discharges of ...
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Aerobic wastewater treatment processes history and development synopsis
A Synopsis by the Author This book is an overview of the development of aerobic waste water treatment and influences which shaped this development. The historical development of sewage treatment and the subsequent emergence of aerobic biological treatment methods is investigated from the early nineteenth century to the present day. In addition, the earlier historical background, up to the ...
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Aerobic wastewater treatment processes history and development synopsis
This book is an overview of the development of aerobic waste water treatment and influences which shaped this development. The historical development of sewage treatment and the subsequent emergence of aerobic biological treatment methods is investigated from the early nineteenth century to the present day. In addition, the earlier historical background, up to the late ...
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