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Optical Monitoring Applications

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    Laboratory Weighing - Dynamic Weighing

    The Dynamic Weighing application allows weighing results to be determined even under adverse conditions. For instance, when determining the weights of animals, weighing on board ship, or on an unstable surface.

    By Mettler - Toledo Int. Inc based in Greifensee, SWITZERLAND.

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    Optical sorting machines for electronic scrap (WEEE) industry

    Recovery of recyclables from Waste Electrical and Electronic Equipment (WEEE): Metals and alloys. Plastics (thermoplastics, plexiglass, etc.). Composite materials (circuit boards, etc.). Brominated plastics (BFR). Plastics with cadmium compounds. Material tainted with precious or recoverable metals (e.g. copper, brass, silver, etc.). Sorting of monitor glass (CRT), etc.

    By REDWAVE a division of BT-Wolfgang Binder GmbH based in Gleisdorf, AUSTRIA.

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    Monitoring of leaks in heat exchangers

    Optical instruments called fluorometers can very easily detect and measure dissolved petroleum hydrocarbons in water, and at very low concentrations. As shown in the study below, TD-4100 series monitors are able to measure xylene continuously over four consecutive weeks with a direct correlation coefficient of 0.9967 compared to GC grab sample analysis.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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    UV fluorescence technology for raw water intake monitoring industry

    Naturally occurring organics in raw water are typically removed with chemicals. Total Organic Carbon (TOC) analyzers in the water treatment system can alert technicians when generic organic material is present but cannot differentiate between natural organics, such as algae or decomposed plant matter, and hydrocarbons. Using UV fluorescence technology, a properly configured TD-4100XD can alert operators to upsets caused by hydrocarbons such as gasoline, diesel, fuel oil, and crude oil.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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    Continuous emissions monitoring for brick plants

    Process control and emissions monitoring in a brick plant is a challenge due to the high concentrations of HF. The HF is generated in the process and gas phase HF can reach 50 mg/m3 or more. To use an extractive system in this environment will demand a lot of maintanence.

    By Opsis AB based in Furulund, SWEDEN.

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    Water monitoring instruments for groundwater monitoring

    Low flow groundwater sampling is a methodology used around the world to simulate ambient flow conditions and take water quality readings. A wide variety of pumps are used to draw a sample from the well such as bladder, inertial or peristaltic pumps and usually combined with a flow controller. Once the sampling methodology for your site has been selected, then choosing the right multi-parameter probe is vital.

    By Aquaread Limited based in Broadstairs, UNITED KINGDOM.

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    Marine monitoring solutions for the SO2/CO2/NOx monitoring

    Process control of a SO2 scrubber on a ship is a challenge due to wet and corrosive gases. In such environment, extractive gas sampling systems require high levels of maintenance in order to operate correctly. OPSIS monitoring system solves this by using an optical, non-contact, cross-duct technique. A light beam is sent across the duct or stack to be measured, and the captured light is sent through an optical fibre cable to an analyser. The analyser measures SO2, CO2 and NOx concentrations using UV and IR absorption, approved reference methods.

    By Opsis AB based in Furulund, SWEDEN.

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    Machine condition monitoring for labs & services

    Overview

    Machine condition monitoring using oil analysis is widely practiced by virtually every segment of modern industry that maintains large, expensive, oil-lubricated machines. In many cases, especially in smaller plants or enterprises, samples are sent to commercial oil analysis laboratories that can help monitor machinery health.

    By Spectro Scientific based in Chelmsford, MASSACHUSETTS (USA).

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    Continuous emissions monitoring for mineral wool production

    Process control and emissions monitoring in a mineral wool plant is a challenge due to the presence of phenol and formaldehyde. To use an extractive system in this environment will demand a lot of maintenance. The OPSIS DOAS system is different and provides plants with an accurate analyser that will operate with a minimum of maintenance. The OPSIS DOAS system is based on a non-contact method using an optical measurement path that can operate across the duct.

    By Opsis AB based in Furulund, SWEDEN.

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    Continuous emissions monitoring for CO2 capture

    The process control of a CO2 capture plant needs good and reliable detection of gas phase NH3 and CO2. Measuring NH3 is a challenge due to the corrosive environment and high concentrations of NH3. Several places in the process needs to be monitored and to transport the sample is difficult. A large dynamic range is needed as the NH3 concentration can vary between 15% volume and a few mg/m3.

    By Opsis AB based in Furulund, SWEDEN.

  • ASTM Color (0-7) #3070

    ASTM color is an important product quality measurement for many refinery and petrochemical processes. The purpose of this application note is to determine ASTM (D1500) color with the ClearView db fiber optic photometer for real-time ASTM color measurement from 0-7. Quantify yellowness for product quality measurement for many refinery and petrochemical processes. Get results in real-time (seconds). Use for ASTM and other parameters in complex streams. Detect potential cross-over contamination in fill or supply lines in real-time. Gain significant improvements in process control. Guided Wave's in-process NIR analyzer will determine ASTM (D1500) color in real time helping operators improve process control 24/7.

    By Guided Wave, Inc. based in Rancho Cordova, CALIFORNIA (USA).

  • Dust monitoring of exhaust gases from manufacturing processes

    DynOptic dust monitors use the innovative Dynamic Detection Principle (DDP) to measure dust and particulate within exhaust gases from various manufacturing processes. DDP, or optical scintillation as it sometimes referred to, measures the dynamic fluctuation in light transmission as dust particles move through a light beam. This dynamic fluctuation derives from temporal distributions of the dust particles which attenuate the light beam. The more dust present in the exhaust, the greater the amplitude of these fluctuations. DDP instruments calculate the dynamic response, or the ratio of light variation to light intensity, which for particular applications, is proportional to dust concentration and when calibrated against standard reference measurements, this can be presented as a reading in mg/m³.

    By DynOptic Systems Ltd based in Brackley, UNITED KINGDOM.

  • End Point Detection

    Hiden Ion Milling Probe – End Point Detector The only dedicated end point determination tool for ion etch control and optimum process quality. End point Analysis. Target Impurity Determination. Quality Control / SPC. Residual Gas Analysis. Leak Detection The IMP is a differentially pumped, ruggedized secondary ion mass spectrometer for the analysis of secondary ions and neutrals from the ion mill process, featuring: High Sensitivity SIMS / MS with Pulse Ion Counting Detector. Triple filter Quadrupole, 300 amu mass range is standard. Differentially Pumped Manifold With Mounting Flange to Process Chamber. Ion Optics with Energy Analyser and integral ioniser. Penning Gauge and interlocks to provide over pressure protection. Data System with integration to the process tool. Stability (less than ±0.5% height variation over 24 h). MASsoft control via RS232, RS485 or Ethernet LAN. Programmable DDE, Parallel Digital I / O, RS232 Scripting Communication

    By Hiden Analytical Ltd. based in Warrington, UNITED KINGDOM.

  • In-situ Calcite Crystallisation Monitoring

    Calcite cristallisation reactions, commonly known as "scaling" events, are monitored in-situ using a portable field spectrophotometer with fibre optical probe accessory.

    By WAT Australia Pty.Ltd. based in West Australia, AUSTRALIA.

  • Octane Number of Gasoline using NIR Spectroscopy #3012

    When every second counts and performance is on the line Guided Wave's NIR analyzers allow for easy measurement of octane numbers in gasoline and refinery production units using fiber optic -based, near-infrared (NIR) spectroscopy. *Fast and reliable measurement of the octane number of gasoline (RON & MON). * Control gasoline production in real-time directly with in process monitoring. * Certify gasoline meets specification before release. *Gain significant improvements in process control. *Minimize the need for laboratory sample collection and the labor intensive "knock engine" method. The measurement of the octane number of gasoline using NIR spectroscopy is both fast and reliable utilizing Guided Wave analyzers. Results are available in real-time (seconds) for multiple parameters in complex streams. Request Application Note #3012

    By Guided Wave, Inc. based in Rancho Cordova, CALIFORNIA (USA).

  • Hydroxyl Number in Polyols (OH#) #3013

    The use of polymeric polyols is commonplace in the manufacturing of polyurethanes and other specialty polymers. The hydroxyl number (OH#) is a measure of the concentration of the hydroxyl groups on the polyol. This is an important parameter to monitor and control during polyol production. The laboratory method that is commonplace for hydroxyl number determination is both time consuming and involves the use of hazardous materials. This note will discuss the use of Guided Wave hardware and software tools for the measurement of hydroxyl number in polyols using fiber optic-based, Near-Infrared (NIR) spectroscopy. NIR can be applied in real time directly in process or as a laboratory procedure. In either case NIR is a time and money saving alternative to traditional methods. NIR also offers the benefit of increased safety over traditional methods. For well established process measurements, a Guided Wave ClearView® db multi-wavelength photometer can be used to achieve similar results.

    By Guided Wave, Inc. based in Rancho Cordova, CALIFORNIA (USA).

  • Cetane Number of Diesel Fuels #3010

    The Cetane number of a diesel fuel is a measure of the ignition properties and is an important specification that must be met during fuel production. The traditional laboratory method for Cetane number determination is the knock engine method in which the fuel is burned and its combustion characteristics compared to known standards. This method is time and labor intensive, and provides no ability for real time control of production. This note discusses the use of Guided Wave hardware and software tools for the measurement of Cetane number in diesel fuel using fiber optic-based, Near-Infrared (NIR) spectroscopy. NIR is applied in real-time directly in process monitoring or as a laboratory procedure. In either case NIR is a time and money saving alternative to traditional methods.

    By Guided Wave, Inc. based in Rancho Cordova, CALIFORNIA (USA).

  • Classification and identification of recyclable material

    This level is expected to reach over 4 million tons by 2010. Companies that specialize in recycling carpet require a fast, reliable and accurate means of identifying the carpet face fiber type entering recycling streams. Collection of plastics for recycling is increasing rapidly. Plastic recycling faces one huge problem, plastic types must not be mixed for recycling. Even a small amount of the wrong type of plastic can ruin the melt. Whether it is a carpet or plastic, classification and identification of recyclable material can be achieved using Bruker Optics` state of the art spectrometer systems. Bruker Optics has applied the FT-NIR technology and experience to this demanding requirement, and offers the Carpet Analyzer as a dedicated solution for the recycling industry.

    By Bruker Corporation based in Billerica, MASSACHUSETTS (USA).

  • NDIR Solutions

    We propose our product as a new powerful base for optical absorption analysis. One of the greatest advantages of this method is that virtually any sample in virtually any state may be studied. Liquids, gases, films, powders, surfaces can all be examined with a proper choice of sampling technique. Using LED-PD optopairs for mid-infrared spectral range allows developing portable sensors with high reliability and adequate accuracy that can be successfully applied in different areas for matter analysis purposes.

    By LED Microsensor NT based in Saint-Petersburg, RUSSIA.

  • Pipeline Monitoring Systems for Health Monitoring

    Pipeline management presents challenges that are quite unique. Their long length, high value, high risk and often difficult access conditions require continuous monitoring as well as an optimization of maintenance interventions. The main concern for pipeline owners comes from possible leakages that can have a severe impact on the environment and put the pipeline out of service for repair. Leakages can have different causes, including excessive deformations caused by earthquakes, landslides or collisions mobile objects, corrosion, wear, material flaws or third party intrusion.

    By Roctest - part of Nova Metrix LLC based in Saint-Lambert, QUEBEC (CANADA).

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