Water Treatment Monitoring Articles

  • Multi-parameter based coagulant dosing control

    The required coagulant dosage is strongly related to the quality of raw water or wastewater. Online sensors for most quality parameters are now readily available to treatment facilities, yet remain rarely used in treatment process control. This paper presents the evaluation of an advanced coagulant dosing control system based on online measurements in full-scale processes. The popular ...


    By IWA Publishing

  • Online waste water monitoring system on golfcourse - Case Study

    Validation of BACTcontrol as an online waste water Monitoring System and Microbiological Early Warning System. The presence of dangerous micro organisms in water used in food processing or surface water can be a real threat for human health. The constant monitoring and control of the presence of such dangerous pathogens is therefore of big importance. In a ...


    By microLAN B.V.

  • Evaluation of contaminants in fluorosilicic acid used for public water fluoridation in the Santos region, Brazil

    Fluorosilicic acid is one of the main products used in water fluoridation. As a by-product of the phosphate fertilizer industry, it may contain contaminants that are harmful to human health. The aims of this study were to assess the quality control analysis of fluorosilicic acid; to detect the presence of contaminants, such as arsenic, lead, cadmium, aluminum, barium, strontium, cobalt, iron, ...


    By IWA Publishing

  • Anglian Water selects Proam ammonia monitor

    Anglian Water (AWS) has selected the Proam ammonia monitor to provide continuous ammonia measurement on final effluent discharge where accurate and reliable measurement is required. One of the most recent installations is at Stanningfield WwTW situated near Bury St. Edmunds, in Suffolk. This is a small rural site receiving primarily domestic sewage. The site performs aerobic ...

  • Removal of aluminium and iron from surface water by conventional water treatment

    Detailed source water monitoring showed large variations in the total concentrations of aluminium and iron in the Vaal Dam, South Africa, which were highlighted as a specific concern for one of the largest drinking water treatment plants in South Africa. This study aimed to better understand the presence of these metals in the source water, removal of these metals through the conventional ...


    By IWA Publishing

  • Does the recycling of waste streams from drinking water treatment plants worsen the quality of finished water? A case assessment in China

    The overall purpose was to assess the feasibilities of recycling filter backwash water (FBWW) and combined filter backwash water (CFBWW) in a drinking water treatment plant in south China. The variations of regular water-quality indexes, metal indexes (Al, Mn and Cd), polyacrylamide and disinfection by-product indexes (trihalomethanes and their formation potentials) along with the treatment ...


    By IWA Publishing

  • Drinking water quality control: control charts for turbidity and pH

    Water treatment processes are required to be in statistical control and capable of meeting drinking water specifications. Control charts are used to monitor the stability of quality parameters by distinguishing the in-control and out-of-control states. The basic assumption in standard applications of control charts is that observed data from the process are independent and identically ...


    By IWA Publishing

  • Monitoring micropollutants in the Swist river basin

    Micropollutant pathways were studied for the Swist river basin (Western Germany). The aim was to verify the effectiveness of a monitoring approach to detect micropollutants entering the river. In a separate sewer system, water was frequently found to be contaminated with micropollutants. Improper connections of sewage canals to the stormwater network seemed to be the cause of pollution. ...


    By IWA Publishing

  • Seasonal organics variations: effects on the efficiency of water treatment processes

    Natural organic matter (NOM) in source water has created a lot of interest in the field of water purification. It is of particular concern for surface water treatment plants since it can produce undesirable disinfection by-products (DBPs), interferes with the performance of water treatment processes such as coagulation, membrane filtration, and oxidation processes, and leads to ...


    By Real Tech Inc.

  • Monitoring of typical pumps and aerator in a water treatment plant - Case Study

    Equipment, Context: Surface aerator:Vertical equipment, gearbox associated very high cost for wired solution, aggressive environment, very few visual and periodical inspections. Centrifugal pump: Located underground in concrete basement, busy area, pipes and metal structure all around. Effluent pump: Vertical equipment, ...


    By Wi-Care

  • Algae control in SAB Miller Clarifier - Case Study

    Several LG Sonic e-line devices were installed in the SAB Miller Clarifier #1 in Tocancipa Brewery, Colombia in order to control filamentous algae. The LG Sonic e-line devices were installed in the summer of 2012.   The Challenge: Control Algae and Increase Process Efficiency In the summer of 2012, SAB Miller, Colombia contacted LG Sonic in order to provide a solution ...


    By LG Sonic

  • Control and monitor Algae in a Lake - Case Study

    As part of the Clearwater PMPC project, 2 MPC Buoys were deployed in the Skrzyneckie Małe Lake to test the performance of this unique technology. The Challenge: Control and Monitor Toxic Algal Blooms The ClearWaterPMPC project was initiated by LG Sound and funded by "Research for SMEs" within the EU 7th Framework Programme. The goal of the ClearWaterPMPC (Predicting, ...


    By LG Sonic

  • AnaSense based advanced anaerobic control enables Novozymes to optimize anaerobic waste water treatment and decrease carbon footprint - Case Study

    Novozymes is a biotechnology firm and regarded as the leading company specialized in large-scale production of enzymes. The company has R&D and production in all regions of the world and stretches out to customers in a myriad of sectors. As a part of its overall energy strategy, Novozymes assessed whether the waste water from the enzyme production at the production facility in Denmark could ...


    By AppliTek NV

  • A case study of the conversion of grey water to a flush water source in a Turkish student residence hall

    A case study of the conversion to grey water to a flush water source in a student residence hall of the Turkish megacity Istanbul is presented. Grey water from bathtubs/showers and washbasins is treated and reused for flushing toilets. Raw and membrane bio-reactor (MBR) treated grey water quality was monitored throughout one academic year using parameters to characterize organic matter ...


    By IWA Publishing

  • Microorganism growth control - Case Study

    KDF Process Media uses Oxidation Reduction Process for Scale and Bacteria Removal A plastic injection molding plant uses KDF media to control microorganisms and eliminate scale build-up in cooling towers-at 25% of the cost of chemical treatments. Photo courtesy of Marley Tooling Technologies, Inc. KDF process media are incorporated into carbon blocks and other matrices for bacteria removal and ...


    By KDF Fluid Treatment, Inc.

  • Control of disinfection byproduct (DBP) precursors by soil aquifer treatment (SAT): what length of hydraulic retention time (HRT) is necessary?

    The study attempted to determine the hydraulic retention time (HRT) required for soil aquifer treatment (SAT) to reclaim water as potable water in an aspect of controlling disinfection byproduct (DBP) precursors. In order to evaluate the removal of DBP precursors, the uniform formation condition was used to estimate the formations of trihalomethanes (THMs) and haloacetic acids (HAAs). Effluent ...


    By IWA Publishing

  • Fate of selected pharmaceuticals and their metabolites in soil aquifer treatment

    Through a series of long-term column experiments, the fate of three common pharmaceuticals (carbamazepine (CBZ), diclofenac, and indomethacin) and their major phase I metabolites in soil aquifer treatment (SAT) were monitored. CBZ concentration increased by a factor of two (from 37 to ca. 70 ng/L) regardless of the treatment conditions, and its metabolites, ...


    By IWA Publishing

  • Temporal variations and trends in loads of commonly used pharmaceuticals to large wastewater treatment plants in Sweden, a case study (Ryaverket)

    Loads of individual commonly used analgesics (ibuprofen, diclofenac), antibiotics (sulfamethoxazole, trimethoprim), β-blockers (atenolol, metoprolol, sotalol, propranolol) and neuroleptics (carbamazepine, citalopram) to a large-scale operating wastewater treatment plant (WWTP) in Sweden (Ryaverket) were studied by monitoring concentrations and flows during a 9-year period (2006–2015). ...


    By IWA Publishing

  • BM Respirometry applied to a novel control strategy of nitrification in a wastewater biological treatment

    In wastewater treatment plants, the biological nitrogen removal (BNR) has acquired critical importance, which makes that in the majority of the cases the overall process control largely depends on the control of this treatment. The normal aerobic process of nitrification is performed by specific aerobic living microorganisms and a lack of information on their bioactivity may be cause of confusion ...


    By SURCIS, S.L.

  • WaterOne use of Matrix Gemini LIMS case study

    Organisation WaterOne is one of the largest drinking water suppliers in the US Mid-West, supplying potable water to approximately 400.000 people in Johnson County, Kansas. WaterOne has a number of sources for water - consisting of 2 river sources and several types of ground well sources. WaterOne is a quasi-municipal agency, with a seven member elected Board of Directors responsible for ...


    By Autoscribe Informatics

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