domestic wastewater treatment plant Articles

  • Wastewater characterisation and performance upgrading of a domestic wastewater treatment plant: the Erzincan case

    A detailed characterisation of the incoming wastewater and a performance evaluation were carried out for the domestic wastewater treatment plant of Erzincan City. Conventional characterisation results showed that Erzincan has a medium strength wastewater quality. Structural characterisation of the chemical oxygen demand (COD) indicated that the biodegradable fraction of the total COD was 64.7%. ...


    By Inderscience Publishers

  • 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 ...


    By IWA Publishing

  • Domestic wastewater treatment by a constructed wetland system planted with rice

    The experiments were conducted in four concrete laboratory scale free water surface constructed wetland units 1 m wide, 1.5 m long and 0.8 m deep. Paddy field soil was added to a depth of 0.4 m and rice seedlings (Oryza sativa L.) were transplanted into the units at a density of 25 plants/m2. Domestic wastewater collected from Chiang Mai University was applied into each unit via two different ...


    By IWA Publishing

  • 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 ...


    By Inderscience Publishers

  • An Infrastructure Grows · Decentralized Treatment and Recycling Domestic Wastewater

    THE TERM, “decentralized waste-water management,” refers to the process of treating and discharging treated wastewater in the local vicinity where it is generated. Decentralized systems typically use the soil as the final receptor of the treated wastewater instead of discharging to surface waters, which are generally the receptors of treated wastewater from larger centralized treatment plants. ...


  • Wastewater Treatment Plant

    Water is basic to life. It is a precious resource and has become precious commodity now. On going Industrialization, population & urbanization pose pressure on water availability. Utility value of world’s freshwater resources like lakes and rivers are diminishing rapidly due to over exploitation & pollution. Groundwater, an alternative to surface water is also a natural ...


    By Sugam Paryavaran Vikalp

  • Constructed Wetlands for Domestic Wastewater Treatment and its Reuse in Irrigation

    Introduction This project focuses on South Europe, the region important for tourism and agricultural production, both activities with high water demand. Mentioned region is already experiencing problems with water scarcity and the situation is expected to worsen according to the international prognosis (Angelakis et al, 1999). Climate change could cause problems with water supply and water ...


    By IWA Publishing

  • Effect of temperature on the treatment of domestic wastewater with a staged anaerobic fluidized membrane bioreactor

    A laboratory staged anaerobic fluidized membrane bioreactor (SAF-MBR) system was applied to the treatment of primary clarifier effluent from a domestic wastewater treatment plant with temperature decreasing from 25 to 10 °C. At all temperatures and with a total hydraulic retention time of 2.3 h, overall chemical oxygen demand (COD) and biochemical oxygen demand (BOD5) removals were ...


    By IWA Publishing

  • The effect of aeration and effluent recycling on domestic wastewater treatment in a pilot-plant system of duckweed ponds

    Three pilot-scale duckweed pond (DP) wastewater treatment systems were designed and operated to examine the effect of aeration and effluent recycling on treatment efficiency. Each system consisted of two DPs in series fed by pre-settled domestic sewage. The first system (duckweed+ conventional treatment) was ‘natural’ and included only duckweed plants. The second system ...


    By IWA Publishing

  • Probabilistic analysis of risks to U.S. drinking water intakes from 1,4‐dioxane in domestic wastewater treatment plant effluents

    The risks of 1,4‐dioxane (dioxane) concentrations in wastewater treatment plant (WWTP) effluents, receiving primarily domestic wastewater, to downstream drinking water intakes was estimated using distributions of measured dioxane concentrations in effluents from 40 WWTPs and surface water dilution factors of 1,323 drinking water intakes across the U.S. Effluent samples were spiked with an ...


    By John Wiley & Sons, Ltd.

  • Classification of contaminants and treatability evaluation of domestic wastewater

    Long-term sampling and analysis were conducted in a domestic wastewater treatment plant for the investigation on the characteristics of the representative contaminants in raw sewage such as SS, COD, BOD5, TP, and TN. All these constituents were classified into dissolved and suspended groups by using a 0.45-μm membrane filter, and the concentration of each constituent in each group was ...


    By Springer

  • Flow-rate and pollution characteristics of domestic wastewater

    The characteristics of the flow-rate and pollution parameters of the domestic wastewater of a medium-size city (Sivas, Turkey) have been investigated. The design and the operating parameters of a wastewater treatment plant appropriate to such a settlement were also studied. Daily and monthly flow-rate measurements and wastewater samples were taken at the outlet. Peak values of the flow-rate were ...


    By Inderscience Publishers

  • Sewage Treatment - Klargester is the market leader for small and medium-sized domestic treatment plant and waste water treatment systems in the UK

    Sewage treatment plant operate by providing an environment in which aerobic bacteria are cultured. These bacteria survive by using biological matter in the sewage as a food source. To provide optimum treatment the bacteria need free access to oxygen and immersion in the sewage effluent. The majority of package plant work by providing a fixed medium that the bacteria adhere to, and a means of ...


    By Kingspan Environmental Ltd

  • Elimination of organic micropolluants in wastewater treatment plants

    In recent years, organic micropollutants such as pharmaceutical residues, hormones and other endocrine disrupters, biocides, ...


    By IWA Publishing

  • Wastewater Treatment Plant Monitors Greenhouse Gas Emissions

    Globally, little attention is paid to gaseous emissions from wastewater treatment processes. This contrasts greatly with the regulatory monitoring that is applied to the quality of water emissions from such facilities. However, in Helsinki, Finland, a large municipal wastewater treatment facility continuously monitors its emissions of greenhouse gases (GHGs) to help in the city’s efforts to ...


    By Gasmet Technologies Oy

  • Wastewater treatment in Ukraine

    Lviv Vodokanal collects for treatment on average 320,000 m3/day of domestic (800,000 inhabitants) and industrial wastewater. The wastewater is treated at two  Waste Water Treatment Plants (WWTPs) placed side by side some 15 km north of Lviv’s city centre. The plants have their own wastewater treatment system while the sludge treatment facilities are shared. The total design capacity of ...


    By Sweco

  • Anaerobic Processes as the Core Technology for Sustainable Domestic Wastewater Treatment: Consolidated Applications, New Trends, Perspectives, and Challenges

    Anaerobic digesters have been responsible for the removal of large fraction of organic matter (mineralization of waste sludge) in conventional aerobic sewage treatment plants since the early years of domestic sewage treatment (DST).  Attention on the anaerobic technology for improving the sustainability of sewage treatment has been paid mainly after the energy crisis in the 1970s. The successful ...


    By Springer

  • Treatment of Biogas Produced in Anaerobic Reactors for Domestic Wastewater: Odor Control and Energy/Resource Recovery

    Anaerobic municipal wastewater treatment in developing countries has important potential applications considering their huge lack of sanitation infrastructure and their advantageous climatic conditions. At present, among the obstacles that this technology encounters, odor control and biogas utilization or disposal should be properly addressed. In fact, in most of small and medium size anaerobic ...


    By Springer

  • Wastewater Treatment in Sri Lanka

    JaEla and Ratmalana wastewater treatment. Recently Colombo National Water Supply & Drainage Board decided to collect and treat the combined (industrial and domestic) wastewater at both areas before it is being discharged into the receiving waters. New sewer systems and two wastewater treatment plants will therefore be constructed. The target treatment plant sizes are 82,000 ...


    By Sweco

  • The biological basis of wastewater treatment

    Introduction This booklet was written to fulfil the need for a simple explanation of the biological processes that underpin wastewater treatment. It attempts to show how the bacteria involved deal with the organic carbon in the sewage. Remarkably, there are just 3 major processes involved, and these mirror exactly the 3 major processes at work in the plant viz: biodegradation, oxygen ...

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