domestic wastewater treatment Articles
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Domestic Wastewater Treatment - Telluride, CO - Case Study
Last Dollar HOA (Home Owners Association) Industry: Remote Land Development Location: Telluride, CO Capacity:10,000 gpd (38 m3/day) Installed: 2021 Last Dollar is a year-round residential community located just outside of Telluride, Colorado. The facility had been reliant on an aging treatment system that was failing quickly and needed immediate replacement to prevent operational fines. ...
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Domestic Wastewater Treatment - Case Study
Bay Meadows is a year-round RV and mobile home park located along the shores of Lake Ontario. The facility had been reliant on subsurface treatment, however current regulatory requirements eliminated the option of continuing with that approach. In addition to high bedrock, the lack of available area due to design fl ow values meant a more sophisticated sewage treatment solution would be ...
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Construction and operation costs of constructed wetlands treating wastewater
Design data from nine constructed wetlands (CW) facilities of various capacities (population equivalent (PE)) are used to estimate construction and operation costs, and then to derive empirical equations relating the required facility land area and the construction cost to PE. In addition, comparisons between the costs of CW facilities based on various alternative construction materials, i.e., ...
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Monitoring toxic impact of free nitrous acid for hydrogen sulfide reduction applications - Case Study
SENTRY technology was deployed as a real-time sensor to control the dosing of free nitrous acid (FNA) in a domestic wastewater treatment stream. The sensor response was evaluated as a solution for optimized dosing of the toxic cleaning agent. Key findings ...
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Hydrodynamic characterisation of an airlift reactor for domestic wastewater treatment
This study evaluates the hydrodynamic and mass–transfer behaviour of a 20–L airlift photobioreactor, employed for secondary wastewater treatment of domestic effluent. Gas hold–up (ε), as well as the volumetric mass transfer coefficient (kLa) was assessed as a function of superficial gas velocity (Ug) for both bi– and triphasic systems. In the experimental range of Ug investigated, the maximum kLa ...
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Domestic wastewater treatment: Summary and advantages
The scarcity of water for present gen is not new for any of us. In spite of the fact that water encompasses the one-third of the entire world, yet least of that percentage is appropriate for drinking. With water deficiencies tormenting the world, water lack has ended up one of the biggest risks confronting society today. While the deficiency of safe drinking water is occurring to be a serious ...
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An overall idea on domestic waste water treatment
Before suggesting any advice or guidance on domestic wastewater treatment, let us first learn its meaning. Wastewater is the term that relates to the description of waste water in terms of sewage waste or industrial liquid waste collected is cities and towns and treated at urban waste treatment plants along with the sewages that is generated from single houses in the rural areas and are treated ...
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Seeking a way to promote the use of constructed wetlands for domestic wastewater treatment in developing countries
The aim of this study was to evaluate the domestic wastewater treatment efficiency as well as the survivability of commercially valuable ornamental plants in subsurface flow wetlands (SSFW) for domestic wastewater (DWW) treatment in laboratory and pilot wetland studies. The laboratory scale study included five different species (Zantedeschia aethiopica, Strelitzia reginae, Anthurium andreanum, ...
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Rural domestic wastewater treatment in Norway and Poland: experiences, cooperation and concepts on the improvement of constructed wetland technology
This article describes Norwegian and Polish experiences concerning domestic wastewater treatment obtained during nearly 20 years of operation for constructed wetland (CW) systems in rural areas and scattered settlements. The Norwegian CW systems revealed a high performance with respect to the removal of organic matter, biogenic elements and faecal indicator bacteria. The performance of the Polish ...
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Domestic wastewater treatment with CEPT-wetlands process
This study aimed to develop an effective process with less construction and operation cost and with flexibility of meeting different temperature requirements, namely CEPT-construted wetland processes. To reduce the chemical cost for the CEPT process, fly ash was firstly utilised to develop an efficient compound coagulant. The lab-scale experimental results showed that with low Fly Ash Coagulant ...
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Domestic Wastewater Treatment Plant Biopipe for Hampton By Hilton / Istanbul - Case Study
Hilton Worldwide is one of the well-known brand on tourism. With more than 550 locations in 6 continent, Hilton has provided high quality service to customers for over 90 years. Awareness of limited natural sources, preparing a sustainable reports, actions of reducing carbon, water and energy usage and admins it of all Hilton as a commitment are just a few examples of Hilton’s point of view ...
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Domestic Wastewater Treatment Plant Biopipe for Tarakli Thermal & Complex Project - Case Study
Taraklı Thermal is establised under Askarya Investement Corp. On 2011 after two years feasibility. Taraklı Thermal is projected on 100000 m2 region and is composed of 60 blocks ( 1300 chamber ), 31200 chamber – otel room, 1900 person / capacity total conference hall, thermal pools and pools. In two years, hospital will be also merged. Their one of the major problem is the lack of ...
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Kinetics of organic matter and ammonia removal in horizontal reed beds treating wastewater in Nepal
In Nepal, both horizontal bed and vertical bed subsurface flow constructed wetlands have been used for wastewater treatment. However, these units were designed based on the empirical findings from other countries. The rational design criteria developed so far has some limitations as the performance of the units is sensitive to the behaviour of the microorganisms, climatic conditions and other ...
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Floating treatment wetlands for domestic wastewater treatment
Floating islands are a form of treatment wetland characterized by a mat of synthetic matrix at the water surface into which macrophytes can be planted and through which water passes. We evaluated two matrix materials for treating domestic wastewater, recycled plastic and recycled carpet fibers, for chemical oxygen demand (COD) and nitrogen removal. These materials were compared to pea gravel or ...
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Aerobic granular sludge technology and nitrogen removal for domestic wastewater treatment
This study evaluated aerobic granulation and nitrogen removal via assimilation, nitrification, and denitrification of a system fed with real domestic wastewater. The granulation process was complete after 160 days of operation. The mature granules had an almost spherical structure, an average size of 473.0 μm, and a good settling ability (SVI30 of 75.6 mL g−1). Ammonium ...
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Small domestic wastewater treatment using waste materials
Phosphorus pollution of groundwater from small wastewater system is often considered as a major threat for aquatic habitats. Recirculating biofilters are often used to treat small wastewater systems without significant removal of phosphorus. In this paper, a low-cost waste material (dried alum residual) in pre-treated effluents from recirculating biofilters was examined. Two different types of ...
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Domestic Wastewater Treatment Plant Biopipe for Narkoy Ecological Hotel - Case Study
Narköy is the branch of Nar Education and Consultancy company, sustainable tourism center and organic farm. Narkoy is projected in Kandıra where is 2 hours distance to Istanbul. It is a concept project and composed of hotel, school ( workshops for companies) and a farm. Their one of the major problem is the lack of infrastructure and a excessive landspace area. Another main issue is to ...
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Bioreactor, Taber, Alberta - Case Study
August 2009 Lockerbie & Hole Western Form Works Taber, Alberta 51 days 13,577 SqFt Town of Taber constructs a Biological Nutrient Removal plant for treatment of wastewater In 2000, the Town of Taber had been operating its domestic Wastewater Treatment Plant based on a Rotating Biological Contactor treatment system. ...
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Feasibility of UASB/trickling filter systems without final clarifiers for the treatment of domestic wastewater in small communities in Brazil
The paper analyses the concept and performance of different configurations of compact UASB/TF systems, without the final clarification stage, in relation to the removal of organic matter. The experiments were carried out in two sets of UASB/TF systems operating without secondary clarifiers, as follows: (i) four shallow (2.50 m height) TFs, each one filled with a different packing material; and ...
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The adaptation of nitrifying microorganisms to inhibiting substances at meso- and psychrophilic temperature conditions
This paper deals with adaption capacity of nitrifiers to allylthiourea (ATU) as a model inhibitor at two temperature levels. Nitrifying communities were developed at 15 (BM15) and 30 °C (BM30). The activity of the nitrifiers was determined by using short-time respiration (STR) tests, oxygen monitoring and in-situ measurements. The oxygen monitoring provided information about the ...
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