Water Treatment Modeling Articles

  • The case for increasing circular economy systems grows as resources dwindle

    New research from Yale University encourages discussions on how to implement circular economy systems on a larger scale Researchers at Yale University in New Haven, Connecticut, believe that circular economy systems are essential to our long-term survival on a planet with limited resources. While some large companies, including Google, Dell, Philips, and Unilever, and a few ...


    By Fluence Corporation

  • Greyline provides end-to-end solution for wastewater treatment plant - Case Study

    Wastewater treatment is a vitally important process. Just ask The Township of Edwardsburgh/Cardinal’s Assistant Chief Water and Sewer Operator, Eric Wemerman. “For a community to keep everyone’s trust, you want to make sure you’re operating a good system.” Eric continues “It’s important for health reasons, when people flush their toilets you need to get ...


    By Greyline Instruments Inc.

  • Automatic control of the effluent turbidity from a chemically enhanced primary treatment with microsieving

    For chemically enhanced primary treatment (CEPT) with microsieving, a feedback proportional integral controller combined with a feedforward compensator was used in large pilot scale to control effluent water turbidity to desired set points. The effluent water turbidity from the microsieve was maintained at various set points in the range 12–80 NTU basically independent for a number of studied ...


    By IWA Publishing

  • Superheated water pretreatment combined with CO2 activation/regeneration of the exhausted activated carbon used in the treatment of industrial wastewater

    This paper examines a novel method of regenerating saturated activated carbon after adsorption of complex phenolic, polycyclic aromatic hydrocarbons with low energy consumption by using superheated water pretreatment combined with CO2 activation. The effects of the temperature of the superheated water, liquid–solid ratio, soaking time, activation temperature, activation time, and CO2 ...


    By IWA Publishing

  • Optimisation of water treatment works performance using genetic algorithms

    Verified static and dynamic models of an operational works were used alongside Monte-Carlo conditions and non-dominated sorting genetic algorithm II (NGSAII) to optimise operational regimes. Static models were found to be more suitable for whole water treatment works optimisation modelling and offered the additional advantage of reduced computational burden. Static models were shown to predict ...


    By IWA Publishing

  • Implementation of the anaerobic digestion model (ADM1) in the PHREEQC chemistry engine

    Anaerobic digestion is state-of-the-art technology to treat sludge and effluents from various industries. Modelling and optimisation of digestion operations can be advantageously performed using the anaerobic digestion model (ADM1) from the International Water Association. The ADM1, however, lacks a proper physico-chemical framework, which makes it difficult to consider wastewater of complex ...


    By IWA Publishing

  • Adapted optimization model for planning regional wastewater systems: case study

    Wastewater systems are of crucial importance to the promotion of sustainable development. Through an integrated planning approach, the costs can be minimized and the resulting benefits maximized. A planning approach at regional level exploits the economies of scale, while achieving a better environmental performance. In this paper we set out a decision support approach for the planning of ...


    By IWA Publishing

  • Using business models in designing market-based solutions: the case of fluoride treatment systems

    This paper addresses how business models inform viability of different fluoride treatment technologies for developing countries as well as the pursuit of financial and operational sustainability. Excess fluoride concentrations in drinking water supplies negatively impact the health of communities living in fluoride affected regions of the world by causing dental and skeletal fluorosis and ...


    By IWA Publishing

  • Estimation of water quality by UV/Vis spectrometry in the framework of treated wastewater reuse

    The aim of this study is to investigate the potential of ultraviolet/visible (UV/Vis) spectrometry as a complementary method for routine monitoring of reclaimed water production. Robustness of the models and compliance of their sensitivity with current quality limits are investigated. The following indicators are studied: total suspended solids (TSS), turbidity, chemical oxygen demand (COD) ...


    By IWA Publishing

  • Modeling BMP’s in Sensitive Areas with xpswmm - King’s Beach Watershed Improvement Project - Case Study

    Introduction Located on the border of California and Nevada, Lake Tahoe (the Lake) is the largest alpine lake in North America. It is known for its scenic beauty and outstanding lake clarity. However, the clarity of the Lake has been declining since the mid-1960s because of the deposition of fine particles and nutrients from urban runoff and the growth of aquatic organisms that feed off the ...


    By XP Solutions

  • North Glasgow Integrated Water Management Strategy - Case Study

    Scotland, UK Scottish Canals, Glasgow City Council and Scottish Water Dec 2012 – Aug 2013 The Metropolitan Glasgow Strategic Drainage Partnership (MGSDP) commissioned AECOM to undertake a feasibility study investigating whether or not the Forth and Clyde canal should take surface water from North Glasgow as a means to supporting regeneration and development ...


    By XP Solutions

  • Modelling the Thatcham Flood - Case Study

    Overview On 20th July 2007, an unusual storm swept west across England along the approximate line of the M4 motorway. Thatcham, a town in Berkshire, was one of the worst affected. Many towns in England flooded that month from the Humber to Tewksbury. In fact there were 200 major floods worldwide in 2007 affecting 180 million people. Some of these floods were caused by rainfalls much more ...


    By XP Solutions

  • A comprehensive study on adsorption behavior of some azo dyes from aqueous solution onto different adsorbents

    One of the major environmental problems is the existence of dye materials in water sources. This pollutant must be removed from water by appropriate methods. Although most of these methods are efficient for the treatment of waters contaminated with dye pollutants, they are very costly and commercially unattractive. Adsorption is one of the most popular methods for the removal of dye pollutants ...


    By IWA Publishing

  • 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.

  • Waste Water Batch Treatment System

    Industrial Wastewater Treatment Batch Treatment Systems (BTS) are intended for lower daily volumes of wastewater typically less than 10,000 gallons per day and designed to “batch” treat wastewater from start to finish at one time. In a batch treatment system, a volume of wastewater is gathered, treated by chemical / physical / biological means, and discharged. Storage ...


    By Water Innovations, Inc

  • Water, energy, and food nexus: review of global implementation and simulation model development

    Water, energy, and food (WEF) have complex interconnections. Water is required to produce energy, while energy is needed for water extraction, treatment, and distribution. The food sector requires water and energy to produce food products, while fertilizer and pesticide from farmland have a negative impact on water quality; however, biomass is a potential alternative energy source. ...


    By IWA Publishing

  • Two different purification systems at Istanbul-Tuzla and Adana-Kozan, their characterizations

    In most developed countries, wastewater treatment plants are presently utilizing efficient purification technology meeting the sufficiency requirements of quality and quantity. However, in developing countries, the number of wastewater treatment plants is limited. As a result, the establishment of a connection between the wastewater collection system and wastewater purification plants is ...


    By IWA Publishing

  • Latest Ransomware Threatens Municipal Water Treatment

    Ransomware seems like it’s everywhere in the news lately. Ransomware is software that installs itself on a computer, often when the user opens a seemingly harmless email attachment. Once installed, the ransomware blocks access to critical files and data until the user meets the demands of the person remotely controlling the ransomware. This usually ...


    By LuminUltra Technologies Ltd.

  • Modelling energy costs for different operational strategies of a large water resource recovery facility

    The main objective of this paper is to demonstrate the importance of applying dynamic modelling and real energy prices on a full scale water resource recovery facility (WRRF) for the evaluation of control strategies in terms of energy costs with aeration. The Activated Sludge Model No. 1 (ASM1) was coupled with real energy pricing and a power consumption model and applied as a dynamic ...


    By IWA Publishing

  • Singapore a model for effective water management

    Singapore continues to be a model of effective water management as more and more countries begin experiencing water scarcity. To some, the Asian city-state (which occupies an area roughly a quarter the size of Rhode Island) may seem an unlikely beacon for water efficiency. But, to achieve water security and self-sufficiency, residents have been helping leaders meet national water management ...


    By Fluence Corporation

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