advanced wastewater treatment technology Articles

  • Advanced Lagoon Treatment Technologies for Wastewater Treatment

    Lagoon-based wastewater treatment systems are popular around the world for their simplicity and cost-effectiveness. However, these systems are unable to reliably remove biochemical oxygen demand (BOD) and total suspended solids (TSS) to less than 30 mg/L or achieve nitrification during winter months in cold climates. Several innovative modifications have been developed, which have the potential ...

  • Case study: Innovative portable package wastewater treatment plants

    DEVISE ENGINEERING S.A. has designed, engineered and is currently producing a new series of State of the Art Portable Sewage Treatment Plants (PSTP), incorporating advanced Ultra-Filtration (MBR) technology. These Plants are used for multiple “emergency” & “short-term” purposes with the ability to re-use the treated effluent. The particular Portable STP can be easily ...


    By DEVISE ENGINEERING S.A.

  • Achieving Advanced Wastewater Treatment Standards

    Integrated Fixed-film Activated Sludge (IFAS) systems is a hybrid system consisting of both suspended and fixed biomass growth, and it is achieved by incorporating a media that support biofilms in existing aeration basin. By promoting the growth of both carbonaceous-removing and nitrifying bacteria, an integrated fixed-film activated sludge (IFAS) process can improve effluent quality without ...


  • Immersed Membrane Technology for Advanced Wastewater Treatment & Water Reuse

    A significant segment of the North American population is unserviced by municipal wastewater systems and, with the seemingly, unending growth of residential communities, commercial complexes, industrial parks and support infrastructure, this situation is unlikely to change in the foreseeable future. Traditionally serviced by on-site wastewater treatment units, and often relying on groundwater ...


  • Removal of organic wastewater contaminants in septic systems using advanced treatment technologies

    The detection of pharmaceuticals and other organic wastewater contaminants (OWCs) in ground water and surface-water bodies has raised concerns about the possible ecological impacts of these compounds on nontarget organisms. On-site wastewater treatment systems represent a potentially significant route of entry for organic contaminants to the environment. In this study, effluent samples were ...

  • Immersed Membrane Technology for Advanced Wastewater Treatment & Water Reuse

    A significant segment of the North American population is unserviced by municipal wastewater systems and, with the seemingly, unending growth of residential communities, commercial complexes, industrial parks and support infrastructure, this situation is unlikely to change in the foreseeable future. Traditionally serviced by on-site wastewater treatment units, and often relying on groundwater ...

  • Determination of the ultrasonic effectiveness in advanced wastewater treatment

    Biological treatment is the most commonly applied method for treatment of wastewaters. However, biological treatment can be inhibited by bacteriotoxic or persistent pollutants present in wastewater (Lifka et at., 2003). As a result, this technology may be incapable of reducing the levels of contaminants below which they are not considered as a potential threat to public health. Therefore, new ...


    By University of Tehran

  • Application of vibration milling for advanced wastewater treatment and excess sludge reduction

    As a new sludge reduction technology with a phosphorus removal mechanism, a vibration milling technology that uses iron balls have been applied to the wastewater treatment process. Three anaerobic–aerobic cyclic activated sludge processes: one without sludge disintegration; one disintegrated sludge by ozonation; and the other disintegrated sludge with the vibrating ball mill were compared. ...


    By IWA Publishing

  • 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. ...

  • Comparing environmental impacts of tertiary wastewater treatment technologies for advanced phosphorus removal and disinfection with life cycle assessment

    Different technologies for tertiary wastewater treatment are compared in their environmental impacts with life cycle assessment (LCA). Targeting very low phosphorus concentration (50–120 μg/L) and seasonal disinfection of wastewater treatment plant (WWTP) secondary effluent, this LCA compares high-rate sedimentation, microsieve, dual media filtration (all with UV disinfection), and ...


    By IWA Publishing

  • Compact solutions for advanced wastewater treatment aiming to recover and reuse

    The environmental pollution caused from unregulated raw sewage discharge coming from small municipalities, remote communities, small housing complexes, tourist facilities, camps, factories, harbors and other similar sources that until now was difficult to construct suitable Treatment Facilities is quite extensive in many areas and is now the time for the authorities to take action. The necessity ...


    By DEVISE ENGINEERING S.A.

  • Electrocoagulation Wastewater Treatment: Specialized Technology to meet the needs of food & beverage wastewater

    The effects of water scarcity and stricter environmental regulations placed on water usage are increasing the cost of using freshwater globally. The consequences of these increasing costs on food and beverage companies are twofold, since the companies are charged for both the water that they utilize in their processes and on their wastewater discharge. Additionally, the food and beverage industry ...

  • Small Community Treatment Plant Expansion While In Operation Using Advanced Technology

    The Viejas Indian Reservation in Eastern San Diego County owns and operates a gaming casino and outlet shopping mall that recently underwent a large expansion. At the same time, the Viejas Reservation Tribal Government completed the infrastructure project to provide a new water supply distribution and wastewater collection system to serve the entire reservation in addition to the casino and ...

  • Application of membrane technology in wastewater

    The City of Rio Rancho is the fastest growing and fourth largest city in New Mexico. The City currently relies heavily on groundwater for water supplies. To sustain its long-term water needs, the City has undertaken a feasibility study to develop a Water Reuse Strategy that will significantly expand the use of reclaimed water, reduce groundwater withdrawals, and provide advanced ...


    By Toray Chemical Korea

  • Wastewater Treatment & Recycle

    Fresh water is a scarce commodity; this fact is well acknowledged by one and all. People at all levels be it general public, governmental bodies, and industries understand the implications of good quality water availability in terms of quantity, cost and wastage. As a consequence, there is a growing consensus on wastewater treatment for recycle/reuse. This paper briefly describes the treatment ...

  • Control of Wastewater Treatment Plants

    Instrumentation, control and automation (ICA) of wastewater treatment systems and sewer networks have attracted much attention since the early 1970s. The developments during the last four decades in on-line instrumentation, computer technology, process understanding and subsequent model development, and control methods have been powerful driving forces for advanced control making ICA ever more ...


    By IWA Publishing

  • Advanced Water Treatment Technologies May Bring Purified Water to San Diego

    'In four years, half of San Diego may be filling its glasses with tap water that once ran through its toilets,' reported the San Diego Union-Tribune recently. A plan to mix 'repurified water' with the City's raw drinking water reservoir could become a reality, thanks to the wonders of water treatment technology. Such a possibility elicits various reactions including disgust, marvel and fear. ...

  • Wastewater Treatment in Turbo Mode

    Sulzer turbocompressors type ABS HST are successful in wastewater treatment. Today, 2000 units are installed around the world—for example, in municipal plants like in the city of Sögel, Germany. Here, the turbocompressors not only reduced the operating costs but also helped the plant to cope with load fluctuations. The secret behind this success is an advanced design with proven ...


    By Sulzer

  • Wastewater-Primary Treatment

    Primary Treatment is defined as a wastewater treatment process that takes place in a rectangular or circular tank and allows those substances in wastewater that readily settle or float to be separated from the water being treated. This process achieves solids separation. The solids readily available to settle to achieve sedimentation will do so in a settling tank referred as a clarifier. On the ...

  • Advanced treatment of effluents from an industrial park wastewater treatment plant by ferrous ion activated persulfate oxidation process

    The advanced oxidation technology, ferrous ion (Fe(II)) activated persulfate (PS) producing sulfate radicals, was used for the advanced treatment of effluent from an integrated wastewater treatment plant in a papermaking industrial park. Separate and interactive effects of PS dosage, Fe(II)/PS ratio and initial pH on chemical oxygen demand (COD) removal were analyzed by the response surface ...


    By IWA Publishing

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