chemical monitoring Articles

  • 4700 Sampler Industrial Park Wastewater Monitoring - InfraServ Knapsack, Germany - Case Study

    The Model 4700 Automatic Refrigerated Sampler from Teledyne Isco, Inc. is used for water quality monitoring at an industrial park operated by InfraServ Knapsack, Germany InfraServ Knapsack InfraServ GmbH & Co. Knapsack KG is the company that operates the Chemical Industrial Park Knapsack. The site is situated in Huerth, south of Cologne in Germany. The park is divided into ...


    By Teledyne Isco

  • 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

  • Industrial applications – Air analysis in clean air room - Case study

    Context & Challenges To ensure people’s safety and a good repeatability of industrial process, the analysis of ambient air is crucial. Especially, electronic boards are produced in clean air room by complex lithographic process using very reactive chemicals. The nature and concentration of volatile compounds can be different depending on the chemical process and can also vary ...


    By Chromatotec Group

  • Real-time monitoring for reduced chemical maintenance

    We are pleased to be featured in this month’s American Laundry News digital edition, together with our customer Walter E. Nelson, a janitorial, paper and chemical distributor in the Northwest that provides a wide range of laundry products and equipment. Jerry Roberts, of Walter E. Nelson, explains how he has experienced a significative ...

  • Biomonitoring can measure what chemical monitoring cannot

    Algae and Daphnia (waterfleas) forewarn drinking water sector Biomonitors, instruments which measure the biological effects of different substances on organisms, detect substances which cannot be detected using chemicals anaylsis methods. This is also valid for combinations of substances which are present in the water in large concentrations. A well-functioning monitor is necessary since our ...


    By bbe Moldaenke GmbH

  • Air Pressure Monitoring for a Chemical Fume Hood

    CAS DataLoggers recently provided the pressure and temperature datalogging solution to a manufacturer using a chemical fume hood to protect workers by containing vapors, dusts, gases, and fumes, and then expelling them as air flowed into the hood from the front (open) side of the cabinet and then out via the ducted hood exhaust system. Designed for 2 operators, the fume hood had a Fiberglas ...


    By CAS DATALOGGERS

  • Chemical Corner

    So, you’re well aware of all REACH and CLP regulations and you’ve gone to great lengths to ensure your operations and products are compliant with EU regulation. That’s great news. But in the case of Europe, that’s not where the regulations end. Beyond these requirements, you often have to comply with additional, country-specific rules to import, manufacture or sell ...

  • Continuous Monitoring of Odorous compounds in WWTP Sensory approach or Physico-chemical solution?

    In WWTP site managers are familiar with odor & chemical profile as they are exclusively focused on sulfur compounds measurement. These molecules are used as process drift indicators and offer a good criteria of process performance. Hydrogen Sulfide (H2S), Methyl Mercaptan (MM), Ethyl Mercaptan (EM), dimethyl sulfur (DMS) or Di-Methyl-di sulfur (DMDS), sulfur dioxide (SO2) provide a better ...


  • Chemical monitoring strategy for the assessment of advanced water treatment plant performance

    A pilot-scale plant was employed to validate the performance of a proposed full-scale advanced water treatment plant (AWTP) in Sydney, Australia. The primary aim of this study was to develop a chemical monitoring program that can demonstrate proper plant operation resulting in the removal of priority chemical constituents in the product water. The feed water quality to the pilot plant was ...


    By IWA Publishing

  • The Mussel Watch approach and its applicability to global chemical contamination monitoring programmes

    Although the use of biological monitors has become a standard practice in different national and international programmes over the past two decades, there are several complicating factors that need to be taken into account when sampling over large geographical extensions. Species availability, physiological conditions, and climatic variables encountered over large areas of study are a few of the ...


    By Inderscience Publishers

  • Passive samplers for chemical substance monitoring and associated toxicity assessment in water

    The European legislation, and in particular the Water Framework Directive requires the development of cost efficient monitoring tools that can provide the required information for the assessment of water contamination. Passive sampling methods represent one of the novel tools that have a potential to be used in various regulatory monitoring programmes aimed at assessing the levels of chemical ...


    By IWA Publishing

  • Towards a European Chemicals Information System: a survey on reported monitoring activities of chemicals in Europe

    This report presents the outline and results of a project which collected information on monitoring activities in the 32 EEA member countries. In addition, a framework is proposed on the potential structure of a multi-purpose European chemicals information system where a database on monitoring activities would constitute one element. The system could be used as a tool in support of EU chemicals ...

  • Chemical analysis of fish bile extracts for monitoring endocrine disrupting chemical exposure in water: Bisphenol A, alkylphenols and norethindrone

    This study determined concentrations of estrogenic bisphenol A (BPA), nonylphenol (NP), octylphenol (4‐tert‐OP), butylphenol (4‐tert‐BP) and progestogenic norethindrone (NET) by LC‐MS/MS in bile extracts from field fish in Xin'an River and market fish in Shanghai, China. Compared to the field fish, EDC concentrations in market fish bile were at relatively high levels with high detectable ...


    By John Wiley & Sons, Ltd.

  • Shell Chemicals Canada, LTD

    SHELL CHEMICALS CANADA LTD. , part of one of the largest petrochemical operations in the world, installed the CATSCAN® performance monitoring solution from Pavilion Technologies and CRI Catalyst Company to analyze day-to-day catalyst performance, enhance support, perform 'what-if' scenarios, and manage catalyst decline ...


    By Rockwell Automation, Inc.

  • NOVA Chemicals Case Study

    NOVA Chemicals' Corunna facility in Canada uses SAFER Real-Time for emission monitoring applications. NOVA Chemicals is a worldwide corporation that produces plastics and chemicals with a focus on two product chains: ethylene and polyethylene, and styrene and polystyrene. Its commitment to be a corporate “neighbor of choice” includes providing leadership and resources to support ...


    By SAFER Systems LLC

  • Enhanced LDAR in the chemical industry

    As a result of recent leak detection and repair (LDAR) audits and the associated issues (as described in the Winter 2009 issue of Environmental Quarterly), EPA is initiating enhanced LDAR programs as part of the most recent consent decrees.1 The enhanced LDAR programs for chemical facilities are more stringent than the enhanced LDAR previously required for the petroleum refining industry. ...


    By Trinity Consultants

  • Dust monitoring

    Generally, two different approaches are used to measure the amount of dust deposited on a surface; Determination of the soiling of a surface, by a change in its properties; Determination of the quantity of dust deposited, by weight. WHAT IS DUST? Dust is a generic term used to describe fine particles that are suspended in the atmosphere. Dust comes from a wide variety of sources, including soil, ...


    By Queensland Laboratory

  • Intrinsic Biodegradation Kinetics Of Chemicals

    Intrinsic Biodegradation Kinetics Of Chemicals An understanding of the rate of biodegradation kinetics for specific industrial chemicals is useful when evaluating their treatability or their impact on treatment processes. The objective of kinetic assessments usually is to model the biodegradation reactions for specific chemicals using either pure cultures or defined ...


    By Challenge Technology

  • Designing monitoring programs for chemicals of emerging concern in potable reuse – what to include and what not to include?

    This study discussed a proposed process to prioritize chemicals for reclaimed water monitoring programs, selection of analytical methods required for their quantification, toxicological relevance of chemicals of emerging concern regarding human health, and related issues. Given that thousands of chemicals are potentially present in reclaimed water and that information about those chemicals is ...


    By IWA Publishing

  • An adaptive, comprehensive monitoring strategy for chemicals of emerging concern (CECs) in California's aquatic ecosystems

    A scientific advisory panel was convened by the State of California to recommend monitoring for chemicals of emerging concern (CECs) in aquatic systems that receive discharge of municipal wastewater treatment plant (WWTP) effluent and storm water runoff. The panel developed a risk‐based, screening framework that considered environmental sources and fate of CECs observed in receiving waters ...


    By John Wiley & Sons, Ltd.

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