30 Water/Wastewater Frost & Sullivan 2010 European Water Quality Sensors Technology Innovation Award
In order to reduce the number of different sensors located in a measurement probe, water monitoring systems require a unique technology.
“The microchip capillary electrophoresis technology from Capilix (The Netherlands) promises to reduce the number or variety of sensors applied for measurements,” notes Frost & Sullivan Research Analyst Igor Derylo.” It also offers the prospect of significantly reducing the time needed to get a test outcome by bringing the laboratory to the sample, rather than bringing the sample to the laboratory.”
Novel approaches towards multi-parameter monitoring have the potential to open new markets for water quality sensors. The detailed water analysis enabled by Capilix’s technology is applicable in several sectors.
It could be applied to drinking water safety control (such as the detection of hormones according to EU Water Framework Directive); for waste water treatment surveillance (nitrogen, phosphate sensing); in greenhouse irrigation systems (to ensure high quality vegetables) and; in biogas production (for the control of anaerobic digesters). Industrial segments that require fluid component analysis include brewing (sulphate monitoring); pulp and paper (such as carbonate ions for scaling control); food (polyphosphates in potato processing) and chemical (for instance, metal ions in zeolite production).
“The ion analysis capability offered by Capilix’s technology gives not only direct detection and quantification results but, combined with sector specific expert knowledge, enables much more,” states Derylo. “For instance, no additional scaling indicator is required. The Capilix technology could also be applicable in non-water industries, such as in the medical sector for medical profiling or drug analysis.”
Reliable and capability-rich sensors have significant potential to bring unique functionality into water assets. Capabilities of the Capilix technology include detailed ion profiling of fluid content, but are not limited to this feature.
“It leverages latest technology trends, such as micro-electro-mechanical systems (MEMS) and lab-on-a-chip integration in order to enable miniaturisation and fully automated measurements,” explains Derylo. “As an operator is not needed, it makes the technology particularly advantageous for industrial automation purposes and adds new functionality to water installations.”
The technology innovation from Capilix could have a significant impact on the overall practices followed by water-related sectors. So far, water quality measurements have been made by taking samples to the laboratory for analysis. Sensing techniques have been used as indicators of potential water content changes.
“The lab-on-chip approach from Capilix offers fluid content analysis to be made in the field; it can significantly reduce the time of testing, by avoiding the need of laboratory analysis of samples,” adds Derylo. “This way, the cost of water quality monitoring also gets reduced, which is of highest customer value.”
The distinguishing factor of the most advanced process industries is that they can control not only the volume of processed or distributed goods, but can also specify the quality of the goods. Miniaturised capillary electrophoresis from Capilix enables detailed and automated water quality measurements at the rate of ten times per hour or higher, which makes it close to real-time.
“With such a feedback, entire water-related processes can be controlled and managed almost in real-time,” concludes Derylo.” From this perspective, the Capilix solution acts as an enabling technology for agile enterprises, allowing them to react rapidly to changing market or production conditions and ensure effective resource utilisation.”
Reader Reply Card no 103
New Process Immersion Fitting With Integrated Circulating Sensor Rinsing
The new 202821 series process immersion fitting from JUMO (Germany) is used to securely install electrochemical sensors in tanks, reservoirs and open channels. It is specifically designed for use in harsh ambient conditions and is the preferred choice for use in heavily polluted media or media that form a coating. Integrated circulating sensor rinsing with a ring-shaped spray nozzle arrangement makes it easy to clean the sensor. It helps to increase the service life of the sensor
and reduce expenditure on maintenance.
The fitting is suitable for inserting a pH, redox, temperature or conductivity sensor with mounting dimensions 120mm x 12mm and a Pg13.5 thread. The fitting is integrated into the particular process from above, using a DN50 flange or a retainer. The fitting is supplied in a stainless steel that is suitable for pharmaceutical use (1.4404/316L). Other materials are also available. Fitting lengths from 500 to 2500 mm are available to the user. It can operate at up to 10 bar and 140°C.
Reader Reply Card no 104
New Methods to Determine Morpholine, Ethanolamine, and Hydrazine in Nuclear Power Plant Wastewater
Dionex (USA) is proud to announce two sensitive and accurate new methods for determination of µg/L concentrations of commonly used corrosion inhibitors in nuclear power plant (NPP) wastewater. Application Note 247: Determination of
Morpholine, Ethanolamine, and Hydrazine in Simulated Nuclear Power Plant Wastewater demonstrates one method optimised to separate hydrazine within 16 min and morpholine within 24 min using the IonPac®
CS16 column with suppressed conductivity
detection and integrated pulsed amperometric detection (IPAD). A second method resolves ethanolamine (ETA) by cation- exchange chromatography on the IonPac CS15 column with suppressed conductivity detection.
To reduce maintenance time and cost, corrosion inhibitors and oxygen scavengers are often added to control the pH of water in NPP secondary and cooling systems. Application Note 247 explains a sensitive new approach that overcomes previous analytical challenges and facilitates compliance monitoring of NPP wastewater discharge.
Reader Reply Card no 105 New Miniature Depth & Level Transmitter
PMC (USA) is pleased to announce the NEW MTM 3000 miniature depth & level transmitter which is designed for water level monitoring in deep wells of ½” diameter, particularly around dams.
With an outside diameter of 0.39 inches, this compact transmitter fits in almost every stilling well where space is an issue.
The MTM 3000 features a Titanium construction offering a 5-year corrosion warranty and either polyurethane or polyethylene cable. Typical cable length is up to 500 feet, longer cable length upon request. Full scale ranges from 0 to 1 through 0 to 500 psi are available with a proof pressure of typically 300% FS.
The standard version comes with an output signal of typically 0 to 50 mV at 10 VDC excitation. Alternate outputs include 4 to 20 mA, 0 to 5 VDC or 0 to 10 VDC, etc. when In-line Electronics option is selected. With this option a signal conditioning circuit is provided in a fully submersible in-line enclosure. This miniature depth and level transmitter can also be combined with our datalogger.
Reader Reply Card no 106
ITT Analytics (USA) announces that its Global Water Instrumentation brand is introducing the FC220 open channel flow monitors for measuring flow rate and keeping flow totals for all flumes and weirs, as well as for any gravity- type open-channel flow applications.
The monitor features the ability to accept any 4-20 milli- amps (mA) water level sensor input, a water resistant enclosure, an easy to use eight button keypad, and a large LCD screen. Additional enhancements offer a large choice of user selectable flow units and four unique flow calculation options, including more than 40 preprogrammed flume and weir tables, a Manning’s equation mode, standard flow definition entry, and a 3rd order polynomial coefficient mode. The instrument’s four independent relay outputs allow it to trigger a water sampler or other device, while the 4-20mA output allows a PLC or datalogger to monitor or record flow measurements.
Reader Reply Card no 107
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New Open Channel Flow Monitors Offer Reliability And Accuracy
IET
November/December 2010
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