resistivity process monitor Articles

  • Time lapse resistivity/IP survey case study

    Changes in underground electric resistivity is typically resulted by the variations in groundwater conduction and soil water content. Monitoring this variation will help operator gain a better understanding of the underground water distribution over time.  This may facilitates operators monitor abnormal underground or structural behaviour. Time lapse resistivity survey is ...

  • Effect of bacterial growth stage on resistance to chlorine disinfection

    The mechanisms and factors that affect microbial resistance to chlorine disinfection have not been fully elucidated. In this study, we investigated the impact of the cell growth stage on chlorine disinfection efficiency. Specifically, we evaluated the impact of the growth stage on chlorination resistance by comparing the inactivation efficiencies of two indicator bacterial strains (Escherichia ...


    By IWA Publishing

  • New Advancements for In Situ Treatment Using Electrical Resistance Heating

    Electrical resistance heating (ERH) is proving to be an effective technology to rapidly heat the subsurface and, in doing so, removing volatile organic compounds. Practitioners of this technology have observed that other processes (biodegradation, abiotic degradation, hydrolysis, and possibly others) occur to break down the chemicals of concern, and remediation is not solely accomplished through ...


    By TRS Group, Inc.

  • Application of electrical resistance heating for remediation petroleum hydrocarbons at Greensboro maintenance yard

    Project History Former FDOT Maintenance Yard Operated from 1965 to 1997 Facility dispensed diesel fuel and unleaded gasoline from 3 USTs; 1 AST used to store used oil USTs/AST removed in 1997 SAR/Pre-RAP Monitoring results indicated: Presence of light non-aqueous phase liquid (LNAPL) at depth (approximately 23 feet below land ...


    By McMillan-McGee Corp.

  • First State-funded cleanup using electrical resistivity heating technology

    The Remediation and Redevelopment Division (RRD) completed remediation at a former dry cleaning facility in the city of Owosso using electrical resistivity heating (ERH) technology. Electrical resistivity heating is an in­situ electrical heating technology that uses electricity and applies it into the ground through electrodes. The resistance of the electricity traveling through the ground ...


    By TRS Group, Inc.

  • In situ Remediation of 1,4-Dioxane using Electrical Resistance Heating

    An increasing number of states are establishing enforceable 1,4-dioxane cleanup goals due to recent improvements in analytical detection methods and existing carcinogenic risk information for 1,4-dioxane. Historically, 1,4-dioxane was used as a stabilizer for chlorinated solvents, primarily 1,1,1-trichloroethane. In addition, 1,4-dioxane has been used in a broad range of products including but ...


    By TRS Group, Inc.

  • Enhanced In Situ Biodegradation of PCE Following Electrical Resistance Heating at a DNAPL Source Area

    Area of Concern (AOC) 607 is a former dry cleaner at the Charleston Naval Complex (CNC). During the RCRA field investigation (RFI), soil and groundwater were found to be impacted by tetrachloroethene (PCE). PCE concentrations in groundwater as high as 42,000 mircograms per liter (μg/L) were detected. During a nine-month period, an area defined by monitoring wells with PCE concentrations ...


    By CH2M Hill Companies, Ltd.

  • Monitoring DMA level case study

    ABIC, a leading provider of veterinary products chooses MonoScan to monitor the level of DMA (Dimethylamine) tank in one of its plants located in Israel. ABIC, wholly owned by Teva Pharmaceutical Industries Ltd, is Israel's largest veterinary products manufacturer. The company produces a wide range of vaccines for poultry and livestock and other animals. ABIC's plants are equipped with ...

  • Biofilm control strategies in industrial processing waters

    Bacterial biofilms cause a number of serious problems for industrial fluid processing operations. Mechanical blockages, impedance of heat transfer processes and microbially induced corrosion result in billions of dollars of losses each year. In engineered systems, such as cooling water systems, food processing, and other industrial applications possible risk to public health and product spoilage ...


    By MIOX Corporation

  • Marine Monitoring to Maximise the Performance of Marine Machinery

    Considering the cost of putting to sea, it is well worth investing in vibration monitoring equipment that can help engineers to protect and maximise the performance of marine machinery. Here, we discuss the challenges facing engineers and offers advice on how to successfully install and use vibration sensing equipment on marine vessels. As machinery has become more complex and mankind has ...


    By Hansford Sensors

  • Multiple gas impurity analyses and verification for semiconductor process tools

    With the increased emphasis on the purity of cleaning, etching and treatment gases by the semiconductor industry, advanced analysis instrumentation is required to monitor the electronic specialty gases and to verify the performance of process tools and components. This paper describes new instrumentation and software specifically designed to accomplish ppb level gas analyses in times as short as ...


    By CIC Photonics, Inc.

  • 7 Ways an Intelligent Data Logger Can Automate Your Process

    Our dataTaker Loggers Handle All Data Collection and Alarming The food processing and product manufacturing industries are increasingly turning to data loggers to monitor their critical values, but intelligent data loggers are available to offer businesses so much more than just recording of data. As the master distributor for all dataTaker products, ...


    By CAS DATALOGGERS

  • Airbus Helicopters: Monitoring gearboxes with HUMS accelerometers case study

    Airbus Helicopters needed highly robust, flight-certified accelerometers for permanent monitoring of gearboxes to be quickly designed and delivered. Challenge For helicopters, one of the most dangerous possible scenarios – worse than engine failure – is gearbox failure. Quality vibration monitoring is needed to ensure gearbox health and predict failures, while absolute ...

  • Application of nanocrystalline metal oxide gas sensors for air quality monitoring

    Increasing concern regarding health effects caused by air pollution, together with the limited spatial resolution achievable with conventional monitoring stations, have driven efforts to develop inexpensive metal oxide gas sensors for air quality measurements. The sensing mechanism is dependent on physicochemical reactions between adsorbed gas molecules and oxygen species on the oxide surface, ...


    By Inderscience Publishers

  • Monitoring gas mixtures in Weld Overlay Cladding production - Case Study

    Arc Energy utilise the 542 binary gas analyser to monitor the mixture of gases in their weld overlay process. Arc Energy Resources was started by European Welding Engineer, Alan Robinson in 1994. Since then they have become a worldwide contractor of weld overlay clad products and services. Arc Energy’s weld overlay cladding provides heavy duty protection against corrosion and ...


    By Systech Instruments Ltd

  • Steady monitoring of potable water in storage tanks case study

    MonoScan L provides Taiwan Water Supply Corp. a dependable ultrasonic solution for measuring potable water level in their storage tanks. Taiwan Water Supply Corp. supplies water treatment services for the city of Taichung, Taiwan. Part of the process includes storage tanks of potable water that are conveyed directly to the city's water system. The problems The company used ...

  • Neosens has been rewarded with the first prize during the CFIA 2010 Innovation Award ceremony in the 'Equipment & Process' category

    The last-born of Neosens, the FS-1000 probe, was conceived for the local, continuous and in-situ fouling monitoring in pipes, heat exchangers and reactors. Based on a patented micro-thermal principle and using the Microsystems technology, the FS-1000 probe is directly implanted inside the industrial equipment to follow-up in real-time the cleaning-in-place (CIP) procedures, ...


  • Update on Mt Pleasant WTP Incorporating the MIEX ® DOC Process and How it Compares With a Plant Operating in Enhanced Coagulation Mode

    Natural organic matter (NOM) is a major factor impacting on water treatment processes. NOM is a precursor of disinfectant by-products (DBP), a food source for regrowth of micro-organisms and makes downstream processes such as membrane filtration and activated carbon less efficient. Reducing NOM in conventional treatment plants can be achieved by using enhanced coagulation, whereby additional ...


    By IXOM Watercare

  • Assessment of erosion and sedimentation dynamic in a combined sewer network using online turbidity monitoring

    Eroded sewer sediments are a significant source of organic matter discharge by combined sewer overflows. Many authors have studied the erosion and sedimentation processes at the scale of a section of sewer pipe and over short time periods. The objective of this study was to assess these processes at the scale of an entire sewer network and over 1 month, to understand whether phenomena observed ...


    By IWA Publishing

  • Full waveform data display

    FlashRES resistivity meter displays full current and voltage data when the system is collecting these data. The real time read out of the data effectively helps operator to monitor the data quality. In case the data quality Q factor drops in value, the operator can pause the data collection process and check the background, contact and instrument noise. Displa full waveforms thus protect ...

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