water treatment modeling Articles

  • Horizon and water treatment

    Horizon is an environment company focused on water treatment.In the latest years,with the improvement of industrial economy,water quality is becoming worse and worse.To prevent the pollution trend,our government has raised the standard of sewage discharge several times,so traditional process and technology of water treatment can’t apply for the environmental requirements and ...


    By Horizon Water Co., Ltd.

  • Modeling NOM removal by softening in a surface water treatment plant

    Phenomenological models and hybrid phenomenological–chemometric models were developed to predict natural organic matter (NOM) removal based on the real water treatment data from the city of Minneapolis over a 3 year period. The analysis of the modeling results showed that the phenomenological model was able to capture the major variations of NOM removal but it tended to over predict the ...


    By IWA Publishing

  • Water Quality Models

    ' In order to determine the impacts of a particular discharge on ambient water quality, it is usually necessary to model the diffusion and dispersion of the discharge in the relevant water body. The approach applies both to new discharges and to upgrading of existing sources. This note provides guidance on models that may be applicable in the context of typical Bank projects.' Introduction ...


    By The World Bank

  • Energy from Waste (EfW)

    To recover energy from waste is a necessary and useful part of the whole waste management process. Inciner8 have developed the first truly mobile waste to energy solution in their EfW range of equipment. ...


    By Inciner8 Limited

  • Modeling settling tanks for water treatment using computational fluid dynamics

    A computational fluid dynamics model is presented for the calculation of the flow, suspended solids, and tracer concentration fields in the settling tanks of the water treatment plant of Aharnes, an important component of the water supply system of the greater area of Athens, Greece. The model is applied to investigate the expected negative effect of the wind on the hydraulic and settling ...


    By IWA Publishing

  • An assessment of static and dynamic models to predict water treatment works performance

    The relative accuracy of static and dynamic water treatment works (WTWs) models was examined. Case study data from an operational works were used to calibrate and verify these models. It was found that dynamic clarification, filtration and disinfection models were more accurate than static models at predicting the final water quality of an operational site but that the root mean square errors ...


    By IWA Publishing

  • Energy requirements for waste water treatment

    The actual mathematical models describing global climate closely link the detected increase in global temperature to anthropogenic activity. The only energy source we can rely on in a long perspective is solar irradiation which is in the order of 10,000 kW/inhabitant. The actual primary power consumption (mainly based on fossil resources) in the developed countries is in the range of 5 to 10 ...


    By IWA Publishing

  • Nimr Water Treatment Plant Oman

    Introduction The Nimr water treatment plant (NWTP) project is located in the south of Muscat in Oman. The temperatures in the region can be as high as 60°C in the summer months, making it a harsh environment to work in. This water treatment project was co-executed by Bauer Environment and Petroleum Development Oman (PDO). The plant came online in late 2010 and has been treating ...


    By BAUER Resources GmbH

  • Research on raw water quality assessment oriented to drinking water treatment based on the SVM model

    Raw water quality variation has a great effect on drinking water treatment. To improve the adaptivity of drinking water treatment and stabilize the quality of treated water, a raw water quality assessment method, which is based upon the support vector machine (SVM), is developed in this study. Compared to existing raw water quality assessment methods, the assessment method studied herein is ...


    By IWA Publishing

  • Multiphase modeling study for storm water solids treatment in experimental storm water settling chamber

    This study tests four different types of multiphase models to determine the most appropriate model for predicting the behaviors of various types of storm water solids in a settling chamber. The Lagrangian reference frame discrete phase models of uncoupled and coupled models based on the interaction between the discrete phase and the continuous phase were tested. The rigid moving objects model ...


    By IWA Publishing

  • Evaluation of control strategies for drinking water treatment plants using a process model

    This research adds a method to evaluate control strategies to the design methodology for drinking water treatment plants. A process model dealing with parameters related to the calcium carbon dioxide equilibrium was set up. Using the process model, the existing control strategy was compared with a new control strategy and the effects of two different sets of input data were studied. It was ...


    By IWA Publishing

  • Modular treatment system neutralizes process water

    A self-contained pH control and monitoring sys- tem for ready mixed operations yields clean water for recycling or permitted discharge to the environment. Fortrans' Model 5000S uses car- bon dioxide gas to neutralize high-pH process water, offering precise alkalinity monitoring and control of water in pits, settling basins and other containment areas, as it lowers total suspended solids. Designed ...


    By Fortrans, Inc.

  • Autonomous intake selection optimisation model for a dual source drinking water treatment plant

    The Mudgeeraba drinking water treatment plant, in Southeast Queensland, Australia, can withdraw raw water from two different reservoirs: the smaller Little Nerang dam (LND) by gravity, and the larger Advancetown Lake, through the use of pumps. Selecting the optimal intake is based on water quality and operators' experience; however, there is potential to optimise this process. In this study, a ...


    By IWA Publishing

  • Treatment of whey wastewater by supercritical water oxidation

    Whey wastewater is a by-product of cheese industry, which causes environmental pollution problems due to its containment of heavy organic pollutants. Conventional methods such as biological treatment and physico-chemical treatment are insufficient or ineffective. In this paper, the treatment of cheese whey wastewater has been carried out by supercritical water oxidation, using hydrogen peroxide ...


    By IWA Publishing

  • The use of response surface methodology for modelling and analysis of water and wastewater treatment processes: a review

    In recent years, response surface methodology (RSM) has been used for modelling and optimising a variety of water and wastewater treatment processes. RSM is a collection of mathematical and statistical techniques for building models, evaluating the effects of several variables, and obtaining the values of process variables that produce desirable values of the response. This paper reviews the ...


    By IWA Publishing

  • Unique Ozone and Ultraviolet Water Treatment System

    Euroby Ltd, the sludge treatment specialists, are pleased to announce the signing of an agreement to be the sole UK and Ireland distributor for the unique UVOX range of water treatment  systems.UVOX, as the name suggests, uses a combination of Ultraviolet and Ozone to treat infected and polluted water.Its uniqueness stems from its novel method of first producing ozone by irradiating air with a ...


    By Euroby Limited

  • Emerging Trends In UV Disinfection For Water Treatment

    Introduction The UV disinfection industry has experienced tremendous growth over the last 20 years.  The development of new UV technologies over this period has been a perfect example of an industry investing to meet market demand – in this case demand for an effective, low cost, and environmentally friendly disinfection technology.  The acceptance of UV disinfection at water plants ...

  • Simulation for Operation and Control of Reject Water Treatment Processes

    The recycled nutrient load of the reject water streams from solids handling is considerable, and can amount to 15-25% of the influent nitrogen load. A number of sidestream biological processes have been developed for treating the ammonia component of the reject water before returning it to the liquid train. This paper describes a plant-wide model that includes the reactions important in ...

  • Lake Edku water-quality monitoring, analysis and management model for optimising drainage water treatment using a genetic algorithm

    Lake Edku, one of the northern Nile Delta Lakes, subjected to huge inputs of nutrients (especially phosphorous and nitrogen). These nutritional conditions create rich resource spectrum for algal growth and make the lake suffer from high level of eutrophication. Lake Edku does not have numeric water quality criteria for nutrients. The main objective of this research is to develop a model which can ...


    By Inderscience Publishers

  • Common Treatment Technologies for Radionuclides in Ground Water, Surface Water, and Leachate

    It may be necessary to know other subsurface information to remediate radionuclides in ground water, surface water, and leachate. Treatability studies are usually necessary to ensure that the contaminated ground water can be treated effectively at the design flow. A subsurface geologic characterization would be particularly important to characterize the effects of adsorption and other processes ...

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