river treatment unit Articles

  • Project profile - new river elementary – arsenic treatment Phoenix, Arizona

    Background In early 2004, AdEdge was pre-qualified and invited to participate in arsenic pilot study of commercial adsorption-based treatment technologies with Damon S. Williams & Associates (DSWA). As an outcome of the successful piloting and preliminary work with the engineer, AdEdge was chosen by Centennial Contractors to perform full scale arsenic treatment using its granular ...

  • Northwest’s Hood River Juice Company Hood River, OR case study

    The Problem: Hood River Juice was building a new process facility and needed to construct a wastewater treatment plant to meet their surcharge requirements for BOD and TSS. The goals and objectives were to minimize operator attention and achieve results that were sustainable. The Solution: BioprocessH2O provided a bioFAS Mobilized ...


    By BioprocessH2O

  • Achieving limits of technology (lot) effluent nitrogen and phosphorus removal at the river oaks two-stage advanced wastewater treatment plant

    Due to unprecedented population growth in the late 1970s and early 1980s, Hillsborough County, FL, developed an aggressive capital improvement program, including a 3-phase construction program to increase the capacity of the River Oaks Advanced Wastewater Treatment Plant (AWTP) from 3 mgd to 10 mgd while improving plant performance to significantly reduce the nutrient discharges to Tampa Bay. ...

  • Geotube Dewatering Technology contains and dewaters river sediments at large Water Treatment Plant in New Jersey - Case Study

    River sediments and filter backwash sludge are annually dredged and dewatered in Geotube containers for beneficial reuse. TenCate develops and produces materials that function to increase performance, reduce cost, and deliver measurable results by working with our customers to provide advanced solutions. And a unique high volume, low cost dewatering system from TenCate Geotube can ...

  • High prevalence of multidrug-resistant Escherichia coli and Enterococcus spp. in river water, upstream and downstream of a wastewater treatment plant

    In this study, microbial quality and antimicrobial resistance of faecal bacteria from a Portuguese river were assessed. River water samples collected upstream and downstream of a wastewater treatment plant, throughout a 3-month period, were used for the enumeration of Escherichia coli and Enterococcus spp. The highest numbers found for E. coli and ...


    By IWA Publishing

  • Over the River and Through the Plants to Richland Chambers We Go

    ABSTRACTIn order to meet future water supply requirements, Tarrant Regional Water District is pursuing several options including diverting Trinity River water into two of the District’s reservoirs located downstream of the Dallas-Fort Worth Metroplex. The District’s approach to augment the water supply with reclaimed water involves a multiple-barrier approach including advanced wastewater ...

  • Cedar Treatment Facility

    In April, 2001, Seattle Public Utilities (SPU) in Seattle, Washington, awarded CH2MHill Constructors Inc., a contract for the design, permitting, construction, and long-term facility operation for the City of Seattle’s Cedar Treatment Facility Design Build Operate Project. The City of Seattle set the following, overall water quality protection goals: - Provide strong public health protection ...

  • Countess Wear WwTW - Biostyr BAFF, United Kingdom

    South West Water 83 week - Programme 3,570 m3/hr The Client South West Water provides water and sewerage to 1.6 million customers in Devon, Cornwall and parts of Dorset and Somerset. The region attacts over 8 million holiday makers to the 625 miles of scenic coastline and countryside. The company is part of Pennon Group ...


  • Decentralized Wastewater Treatment

    An application used worldwide, now growing in US to address the needs of small communities and developments Conventional sewer operations managed by small communities provide centralized treatment of wastewater of which residents are accustomed. But the expense of operating these systems as they expand with miles and miles of sewer lines is staggering. Expanding sewer line infrastructure, ...


    By Bio-Microbics, Inc.

  • Egg plant treatment in Belgium

    DESCRIPTION OF WASTEWATER TREATMENT FACILITY Between 3 and 4 million eggs are broken daily, 5 days a week, to produce egg-white, egg-yolk, and some mixed egg products for a total of 900 - 1000 tons of end-products per week. All is done under the highest hygienic standards. The wastewater treatment plant was built 10 years ago, when the egg breaking capacity was at 1.5 million eggs per day and ...


    By BluePlanet Labs

  • 10 Years Experience of CSO Management in the United Kingdom

    ABSTRACTThe United Kingdom’s ageing sewerage infrastructure meant that by the late 20th century the country was facing a major environmental problem associated with storm sewage discharges from more than 8,000 unsatisfactory combined sewer overflows (CSOs). Addressing this problem presented a major challenge to the UK water industry, but it is a challenge that has been met by a combination of ...

  • Optimizing Wastewater Treatment

    ' Growing volumes of both industrial and municipal wastewater are being discharged to surface waters but the treatment provided frequently is inadequate to protect the desired uses of the receiving waters. With limited resources in terms of both institutional capacity and finance, governments face difficult choices in optimizing their investments in municipal systems and establishing practical ...


    By The World Bank

  • Microfiltration for treatment of waste filter washwater at water treatment plant

    The North Jersey District Water Supply Commission (Commission) serves about 2 million consumers from its 210 mgd water treatment plant (WTP) in Wanaque, New Jersey, about 25 miles northwest of Manhattan. Raw water is obtained primarily from the adj acent Wanaque Reservoir, and the nearby Pompton and Ramapo Rivers. The Wanaque WTP provides conventional treatment with chiorine as primary ...


    By Pall Corporation

  • Partitioning and availability of sediment-bound metals following final sewage effluent release to a lowland river

    A simple partitioning scheme was used to assess the partitioning and behaviour of copper, cadmium, iron, lead and manganese within the surface waters and sediments of the River Yare, Norfolk, UK, following the discharge of final effluent to the water course from municipal sewage treatment works (STW). Sewage effluent discharges were shown to increase metal concentrations and complexation ...


    By Inderscience Publishers

  • Determining Water Quality Impacts of Combined Sewer Overflow on the Mississippi River Using Full Factorial Analysis

    ABSTRACTThe City of Rock Island, Illinois is completing a Combined Sewer Overflow Long Term Control Plan as part of a Consent Decree with the U.S. EPA. The Consent Decree includes a requirement that Rock Island document existing water quality so that CSO impacts could be identified and potential improvements with various CSO could be assessed. Because of complex river morphology, large flow rate ...

  • Strategies for the reduction of Legionella in biological treatment systems

    A community-wide outbreak of Legionnaire's disease occurred in Warstein, Germany, in August 2013. The epidemic strain, Legionella pneumophila Serogruppe 1, was isolated from an industrial wastewater stream entering the municipal wastewater treatment plant (WWTP) in Wartein, the WWTP itself, the river Wäster and air/water samples from an industrial cooling system 3 km downstream of the WWTP. ...


    By IWA Publishing

  • Airport deicing effluent treatment and regulatory guidelines

    Airport and airplane deicing is employed with the use of brines, salts, alcohols or glycols to remove and prevent or delay the formation of snow and ice.  In the United States (US), the Federal Aviation Administration requires airlines that operate during icy conditions to perform deicing and anti-icing of aircraft and airfield pavement (USEPA 2011a).  These deicing operations use large ...


    By IWA Publishing

  • Zhuhai --a membrane based water treatment plant

    The Facility At the time it was built, the Guangdong Zhuhai Power Station set a number of firsts for China. Not only was it the largest thermal power plant in terms of unit size , it was the first to use Reverse Osmosis Water Treatment and it was the first to be financed without a multilateral or government guarantee. Zhuhai was also EPC Mitsubishi Heavy Industries’ first turnkey ...

  • Leadville Mine Drainage Tunnel Wastewater Treatment

    Bureau of Reclamation"s Drainage Tunnel Dewatering LMDT Treatment Plant Liquid/Solid Separation System for Mine Drainage Tunnel The Reclamation Projects Authorization and Adjustment Act of 1992 was amended in September of 2009 to enact a provision that ...


    By Integrated Engineers Inc.

  • Evaluation of an emerging water treatment technology: ceramic membranes

    Historically, low-pressure membranes (microfiltration (MF) and ultrafiltration (UF)) used in potable water treatment are made of polymers (polysulfone (PS), polypropylene (PP), polyethersulfone (PES), polyvinylidene fluoride (PVDF) etc). Recently, membranes made of ceramic materials (aluminium oxide) have been developed by MetaWater (Japan), Kubota (Japan) and others and is being marketed in the ...


    By IWA Publishing

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