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continuous gas analysis Applications

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    Gas analysis & monitoring systems for biogas analysis

    “Biogas” means a mixture of various types of gas (mostly methane) produced by bacterial fermentation in anaerobic conditions(absence of oxygen) of organic residues from waste, decaying plant, carcasses in putrescence. The analyzers of biogas by Infrared cells carry out the continuous analysis of CH4, O2, CO2, H2S and NH3. The whole process sees the decomposition of organic material by some types of bacteria, producing carbon dioxide, molecular hydrogen and methane(methane conversion of organic compounds).

    By ETG Risorse e Tecnologia S.r.l. based in Montiglio, ITALY.

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    Gas analysis & monitoring systems for medical gases monitoring

    The measurement of occupational exposure to pollutants in the operating room is an essential tool for the detection of chemical, linked not only to the occurrence of infections and various diseases, but also to reduced alertness and performance of staff. To meet the above requirements, ETG proposes the use of ‘INFRARUN, thanks to the high sensitivity and stability and the very wide dynamic range, INFRARUN is the ideal tool to make a continuous sampling in the short and long-term gaseous contaminants in the field hospital, such as volatile anesthetics, aldehydes, fluorani, isofluorani,, VOC’s, etc.

    By ETG Risorse e Tecnologia S.r.l. based in Montiglio, ITALY.

  • Incineration Industry Emissions Monitoring & Analysis

    Monitoring of emissions from incinerators is a demanding application for Continuous Emission Monitoring Systems. The emissions produced are highly corrosive, some of the gases are soluble and, because the waste being burnt is constantly changing, the resulting stack gas temperature varies widely.

    By Procal - Parker Hannifin Corp based in Peterborough, UNITED KINGDOM.

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    Measurement of methane, methanol and ethanol for the biomass monitoring for biofuels.

    The Series 8900 provides direct measurement of methane, methanol, and ethanol for the biofuel industry. The Series 8900 GC employs a flame ionization detector (FID). The methane, methanol, and ethanol in the gas sample are physically separated using proprietary GC columns. A dual-column configuration with timed backflush to vent is used to strip off moisture and heavier gases. At sample injection, a fixed volume of sample is carried through the pre-cut column. The backflush is timed so that primarily the MME and other similar compounds continue on to the analytical column. Contaminants are then backflushed to vent. Methane, methanol, and ethanol are separated from potentially interfering components on the analytical column and elute to the detector for analysis.

    By AMETEK MOCON - Baseline based in Lyons, COLORADO (USA).

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    Medical solutions for the ventilators and respiratory

    A variety of medical devices, such as ventilators, breath analysis equipment and anesthesia delivery monitors require a quick and precise measurement of gas flow. Besides hospital applications, there is an increasing demand for gas flow control in home healthcare products, such as Continuous Positive Airway Pressure (CPAP) machines. Axetris mass flow meters and controllers are available for use with multiple gases such as O2, Air, He and CO2. The MEMS-based design of our mass flow devices offers key advantages such as quick response and high accuracy.

    By Axetris Ag based in Kaegiswil, SWITZERLAND.

  • Measurement solution for to multi-stream by-pass system

    A large pharmaceutical plant runs a Thermal Oxidiser on plant to incinerate their solvent-containing gas streams before emission. When the oxidiser is offline, then the plant must monitor the release of solvent to the atmosphere. A ProtIR 204C fixed monitoring system was installed that continually measures 24 plant solvents, including Acetone, Cyclohexane, DCM, DMF, IPA, MIBK, Toluene and THF. Given the high levels that are possible, the system has an active dilution system, reducing the concentration of the measured gas in the analyser to levels that can be analysed simply. Chemometric modelling enables interferences from the overlapping absorption spectra to be accounted for, ensuring accurate analysis of all 24 gases.

    By Protea Limited based in Middlewich, UNITED KINGDOM.

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