process control analyzer Articles

  • Online Analyzers Improve Control of Chloramination Processes in Milwaukee

    The Milwaukee Water Works is a national leader in providing high quality drinking water and monitoring water quality. Since 1998, it has invested $227 million in its infrastructure, from treatment plants to distribution systems, to ensure high quality drinking water and reliable supply. The Milwaukee Water Works treats Lake Michigan water with Ozone gas as a primary disinfectant because it ...


    By ASA Analytics

  • Controlling the addition of Chlorine into a Process

    There are several methods for controlling the addition of chlorine into a process. These methods include flow proportional injection, ORP (oxidation reduction potential) or a residual chlorine analyzer. Each method measures a different process characteristic. Depending on the specific type of process being controlled, there generally is a best choice for controlling the injection of either ...


    By Walchem, Iwaki America Inc.

  • Real-Time Control Optimizes Extended Aeration Processes

    The population of Hillsborough County, Florida has doubled since the Valrico advanced wastewater treatment plant (AWTP) was built in 1990 to treat the sewage of several small communities west of the City of Tampa. When it began operation, the Valrico AWTP capacity was only 4 MGD; small when compared to Tampa's 96 MGD Howard F. Curren AWTP located not far to the east. But Valrico serves as a very ...

  • On-Line Nitrate/Nitrite Probes for BNR Process Control

    ABSTRACTReal time nitrogen monitoring plays an increasingly important role for the successful biological nutrient removal at wastewater treatment plants. Though traditionally dissolved oxygen has been the main process control parameter a greater understanding of the biological mechanisms and process conditions like nitrite/nitrate concentrations to achieve lower effluent values becomes necessary, ...

  • Case Study on Water Control in a Rinsing Process

    Introduction The company selected for the study is a privately owned job shop that does rack electroplating of steel and brass plumbing and lighting fixtures with copper, nickel, and chrome. Approximately 10 operators perform the actual plating and buffing of the parts. A waste treatment specialist handles all of the wastewater requiring the necessary pH adjustment, precipitation and ...


  • Curren Hits the Bull`s Eye Using Online Process Analyzers

    Howard F. Curren Advanced Wastewater Treatment Plant improved its efficiency by upgrading to online process monitoring and control. The Howard F. Curren Advanced Wastewater Treatment Plant is one of the largest nitrification/denitrification filter plants in the world with a design capacity of 96 million gallons per day average daily flow. It serves about 110,000 accounts in the City of Tampa and ...


    By ASA Analytics

  • Online Process Analyzer Installed at F.J. Horgan WTP to Monitor Chloramination

    Construction was completed on the City of Toronto's F.J. Hor-gan Water Treatment Plant in 1979, more than 60 years after chloramine had first been used to disinfect drinking water in an Ottawa plant. By then there was little debate about the benefits of chloramination and it was incorporated into the new plant's design as part of the disinfection process. Chloramine is more stable than free ...


    By ASA Analytics

  • Use of process analyzers in fossil fuel-fired power plants – Case Study

    Energy demand and power generation In spite of all efforts concerning energy savings and efficiency, the growing world population and the aspired higher 'standard of living' will lead to a further increase of world energy demand. In this context, almost half of the primary energy demand will continue to be covered by solid fuels, particularly by coal, until 2020 and many years ...

  • Use of process analyzers in cement plants solutions from Siemens – Case Study

    Cement is a hydraulic binding agent to produce concrete. Due in part to the fast growth of the Asian economies, world consumption of cement is currently growing at an annual rate of 8%. Therefore, cement production is expanding and, at the same time, production processes need to be optimized to ensure maximum efficiency. In this context, process analytics plays an important role: It determines ...

  • Electro-Fenton for control and removal of micropollutants – process optimization and energy efficiency

    The removal of micropollutants is an important environmental and health issue. Electro-Fenton offers an electrochemical advanced treatment that is particularly effective for the breakdown of aromatic contaminants. Due to the wide variety of chemicals, it is preferable to analyze model contaminants, such as phenol, when optimizing and assessing the efficacy of a novel treatment process. In this ...


    By IWA Publishing

  • TOC analyzer for airports

    During winter, de-icing processes at airports necessitate storm water and de-icing water management. Especially due to adhesive (sticky) substances, strongly fluctuating concentrations and a lot of chemicals, the monitoring systems itself must be tailor-made to fight this water analysis challenge. LAR 's ...


    By LAR Process Analysers AG

  • Mass conversion in bioreactors - Process analytics controls biotechnological reactions – Case Study

    Bioreactors Bioreactors are technical vessels of different design in which biological and chemical substances are converted or produced under controlled conditions. In bioreactors the knowledge about metabolic processes is applied to produce different substances, to generate energy and to degrade or transform pollutants. Bioreactors, also called fermenters, are not ...

  • Assessing performance of on-line nitrate analyzers

    Traditionally, activated sludge processes were designed to remove organics and suspended solids from wastewater. The justification for including nitrogen control in wastewater treatment facilities began with the need to protect receiving waters from the increasing problem of eutrophication and hypoxia (low levels of dissolved oxygen in bottom waters, generally less than 2 mg/l). One of the ...

  • Hydrogen Chloride Analyzer (HCl, H2O)

    LGR's Hydrogen Chloride Analyzer (HCl, H2O) provides sensitive measurements of HCl in ambient air or in industrial process flows (e.g., coal and cement exhaust streams) with extremely high precision and sensitivity. No longer do you have to spend a lot of money or wait a long time to measure HCl with extremely high sensitivity – LGR's HCl Analyzer provides measurements every second with ...

  • LAN Connectivity for Modern Process Instruments

    Process instruments such as gas analyzers are data sources, which feed a multitude of users. In general,the instruments provide these data analog or digitized through an RS232 interface. However, the datatransfer by this interface has to be located close to the controlling PC, because RS232 is designed forshort distances only. Beyond, the PC has to be dedicated and opts as master. With a ...


    By ECO PHYSICS INC.

  • AMETEK PI wins stack gas/emissions analyzer category bronze medal award in control magazine reader choice awards

    Every single interaction between customer and supplier is an oppor-tunity for providing good solutions. After awhile, these positive mo-ments really begin to add up. Despite the huge effort and extreme consistency required, the best vendors almost re¬ exively deliver useful products and services, and con-tinually develop and release new improvements and innovations. Con-sequently, over ...

  • Comparing Gravimetric and Centrifugal Spin Data: Accuracy of Suspended Solids Results and Process Control Calculations

    ABSTRACT: The Carbondale Wastewater Treatment Facility is located on the banks of the Roaring Fork River at the intersection of Highway 82 and Highway 133 on Colorado’s western slope. Samples for total suspended solids (TSS) were analyzed by gravimetric analysis with 45 mm filter papers and by centrifugal spin for three years. While there is a clear correlationbetween centrifuge and ...

  • Use of process analytics for cracking processes in refineries – Case Study

    Crude oil processing Crude oil is a complex mixture of hydrocarbon compounds and relatively small quantities of other materials such as oxygen, nitrogen, sulphur, salt and water as well as inorganics and metals. It occurs naturally in the ground and was formed millions of years ago. Crude oil varies from source to source in composition and colour. It is typically mixed with gases, which have to ...

  • Success of Onlin Leads to Closing for Wastewater 2 Process Control of Consent Order Treatment Plant

    In 2003, Plant City, a small Florida city of 30,000 residents, faced a very big problem. The Florida Department of Environmental Protection (FDF.P) determined that the city's wastewater treatment plant was not consistently operating within its permit limits, and placed it under a consent order. Plant City is a highly industrialized area. "Our industrial loading is very diverse and includes metal ...


    By ASA Analytics

  • Natural Gas Processing Case Study

    The Customer The Company is an exploration and production company that builds natural gas reserves through the acquisition and development of oil and gas assets across the U.S. They are one of the largest producers of natural gas in the Nation. The Process The Company uses multiple scrubbers to clean out the impurities of the natural gas that they ...

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