WebThe effluents were analyzed online with a gas chromatograph (Interscience Compact GC) equipped with two thermal conductivity detectors (TCD), and a one flame ionization detector (FID). A Molsieve 5 A, Rt-QBond, Rtx-1 were used to separate light gases (H 2 , N 2 , CO, CO 2 ), light hydrocarbons (CH 4 , C 2 H 4 , C 2 H 6 ), and aromatics (from qZRHKThdpaxG Dec 01, 2017 · The wavelength of the indium-gallium-arsenide laser (1 653 nm) is specific for a strong absorption band of methane. The reflected laser beam is detected by the device, and its signal is processed and converted to the cumulative methane concentration along the laser path in parts per million × metre (ppm × m). DMpt00RoVVH6 The QGI is a potentially revolutionary instrument, built on the technology used in the Heath Consultants Remote Methane Detector – Complete Solution (RMLD-CS). The system has the ability to image and quantify relatively small leaks, which has specific applicability to natural gas distributionpanies. 7qmbl7hsKUr1 Jan 01, 2013 · The LMD is based on IR absorption spectroscopy, uses a semiconductor laser as a collimated excitation source and uses the second harmonic detection of wavelength modulation spectroscopy to establish a methane (CH 4) concentration measurement. The use of the LMD for CH 4 detection in dairy cows is relatively recent. 8XEmZL6mWV8Q
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