WASTEWATER ANALYSIS WHITE PAPERS & CASE STUDIES

Color, Turbidity And Philosophy

When we humans look at objects we describe them in terms of color. We say that an apple is red or a leaf is green. To us color is an attribute just as surely as the mass or dimensions of an object. But the fact is that color is a pure human construct. Take away the human and it does not exist.

  • Case Study Of Swan Turbiwell Quarterly Calibrated Unit Versus Quarterly Verified Unit
    Case Study Of Swan Turbiwell Quarterly Calibrated Unit Versus Quarterly Verified Unit

    This paper presents the field data collected over a twelve month period at a municipal surface water treatment plant employing traditional clarification and filtration.  The final effluent turbidity was monitored by the third party compliance turbidimeter, a Swan Turbiwell (Protocol Turbiwell) was calibrated quarterly just as the compliance turbidimeter, and a second Swan Turbiwell (Non-protocol Turbiwell) that was not calibrated. By Shaun Sharrett and Randy Turner, Swan Analytical USA

  • Smart Wireless Technology Solves Environmental Monitoring Challenge
    Smart Wireless Technology Solves Environmental Monitoring Challenge

    Faced with the challenge of meeting environmental monitoring legislation, Korsnäs Gävle needed a way to monitor water from their heat exchangers for contamination before discharging it to the sea. Additionally, the board and paper manufacturer required new sensors for continuous monitoring of pH, dissolved oxygen, and water temperatures from effluent emissions in their basins and ponds. In this case study, learn how Korsnäs Gävle implemented a wireless sensor network to quickly  achieve compliance and meet its monitoring needs.

  • How To Control Activated Sludge With Online Sensors
    How To Control Activated Sludge With Online Sensors

    The goal for domestic wastewater treatment in the 21st century should be to have a minimal carbon footprint and to be 100% self-sustainable with regards to energy, carbon, and nutrients – while achieving a discharge or reuse quality that preserves the quality of receiving waters (Water Environment Research Foundation (WERF), 2009). Sustainability with respect to energy requires both conservation and production. By Dr. Robert Smith, Ph.D., P.E., BCEE, YSI, a Xylem brand

  • Low WWTP Operating Costs And High Water Quality -- It's Possible
    Low WWTP Operating Costs And High Water Quality -- It's Possible

    Providing the best value to wastewater customers requires a team of operators that have a deep sense of ownership and are committed to continuous improvement. By Patrick Higgins

  • Case Study: Continuous Online Monitoring Of Nitrate And Sludge Using UV/VIS Spectroscopic Sensor Monitoring nitrates, total suspended solids and sludge volume concentrations ensures effluent quality, which is critical for meeting water quality standards for various regulatory agencies. By Endress+Hauser, Inc.
  • Case Study: YSI Multiparameter Instruments Assist In Storm Water And Combined Sewer Overflow Monitoring The city of Indianapolis, Indiana has been monitoring surface water quality of the White River and its tributaries since 1991. Each year the Indianapolis Office of Environmental Services (OES) collects nearly 6,000 samples from 27 locations. Two specialized programs, Continuous Dissolved Oxygen and Critical DO, are designed to collect data during periods when the potential exists for dissolved oxygen problems
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WASTEWATER ANALYSIS PRODUCTS

Atomx Automated VOC Sample Prep System

Atomx Automated VOC Sample Prep System

The Atomx Automated Sample Prep System combines an Autosampler and Purge and Trap into a single instrument for the analysis of VOCs in soils and waters. This is the first of its kind and only system that employs a unique methanol extraction automation feature for high level soils in accordance with USEPA Method 5035.

Aztec 600 Ammonia Analyzer

Aztec 600 Ammonia Analyzer

The Aztec 600 Ammonia Analyzer AW632 offers reliable and accurate on-line analysis of ammonia and ammonium ions up to 3 ppm NH3.
6920 V2 Sonde

6920 V2 Sonde

The YSI 6920 V2 sonde is an economical logging system, ideal for long-term in situ monitoring and profiling.
TOC Theory

TOC Theory

TOC is a popular analytical technique in water quality testing, as seen in many official analytical methods today. The United States Pharmacopoeia (USP), European Pharmacopoeia (EP) and Japanese Pharmacopoeia (JP), recognizes TOC as a required test for purified water and water for injection (WFI). As stated in USP method <643> on Total Organic Carbon:

OPTISYS SLM 2100 Optical Sludge Measurement System

OPTISYS SLM 2100 Optical Sludge Measurement System

KROHNE, Inc.’s new OPTISYS SLM 2100 optical sludge blanket measurement system offers accurate and reliable measurement of sludge blanket depth, separation zone, and swirled solids (fluff zone) depth using optical suspended solids measuring technology.

ProDSS &mdash; Handheld Multiparameter Meter

ProDSS — Handheld Multiparameter Meter

The YSI ProDSS (digital sampling system) handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, turbidity, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature along with depth. 

AM-TBR Turbidimeter

AM-TBR Turbidimeter

The AM-TBR was designed to be cost effective to purchase and even more cost effective to maintain. The turbidimeter is modular to make servicing and cleaning quick and easy. The compact sample volume of 30 ml means that you will go through less calibration solution over time.

MultiLab IDS Multi-Parameter Instruments

MultiLab IDS Multi-Parameter Instruments

The MultiLab IDS line of instruments from YSI includes the MultiLab 4010-1, MultiLab 4010-2, and the MultiLab 4010-3, as well as smart digital probes for optical based BOD5, pH, ORP, and conductivity measurement. Intelligent digital sensors can be moved from instrument to instrument and maintain their calibration data to effortlessly transmit information.

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WASTEWATER ANALYSIS PODCASTS

Innovation In Online Analytical Instrumentation Continues

Innovation In Online Analytical Instrumentation Continues

An industry expert describes the importance and evolution of instrumentation for a variety of water/wastewater applications.

Ensuring Accurate Water Analysis Measurements

Ensuring Accurate Water Analysis Measurements

Jim Cairns, Process Business Manager, and Ricki Hartwell, Global Product Manager at Thermo Fisher Scientific explain the importance of combining the process side and the laboratory side of water analysis.

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WASTEWATER ANALYSIS VIDEOS

Pushing The Limits Of Instrumentation Technology

Pushing The Limits Of Instrumentation Technology

The issues and challenges in the water and wastewater industry are constantly evolving, so technology that is constantly evolving is required to meet those challenges. In this video, Jerry Stevens from Endress and Hauser talks about the company’s forward-looking approach to technology.

The Integral AutoCal for 6888 InSitu Oxygen Probe Demo

The Integral AutoCal for 6888 InSitu Oxygen Probe Demo

Doug Simmers, Product Manager, talks about the 6888 In-Situ Flue Gas Oxygen Analyzer and the Integral AutoCal feature.

Predictive Diagnostics: The Next Frontier For Water Analyzers

Predictive Diagnostics: The Next Frontier For Water Analyzers

There is a growing interest in the intelligence that you can pull out of your operational systems, and real time control systems take analytics to another level. In this Water Online video, Bob Dabkowski of Hach Company discusses the benefits of real time control using a phosphorus real time controller and an ammonia analyzer case study for illustration.

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