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Vijay Nair

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Vijay Nair

Vijay Nair

Vice President (Analytics), Chemtrols Industries Pvt. Ltd.

  • Has been in Process Analytical field for more than 23 years
  • Engineer by profession, holds a Bachelor of Engineering (Industrial Electronics) degree from Pune University.
  • Started his career as a Service Engineer at Chemtrols, he moved into Engineering & Design followed by Production and System Integration, is now working as Marketing Head (Analytics Business unit) in Chemtrols which is one of the biggest in Process Analytical field in INDIA.
  • Has been associated with major Process Analyzer companies worldwide over these last years. Has rich experience in the field of Process Analytics in various Refining and Petrochemical processes because of the association of these foreign OEMs.
  • Application knowledge of how and why the process analysis is benefitting the process has been a key interest!
  • Backed by the life of service engineer earlier, the eye for technical aspects has been always there.
  • Present job profile involves extensive travelling including abroad, strategic planning for project positioning, interactions with foreign principals, Support to Global group.
  • Has experience on process analyzers from Moisture and Gas analyzers, Mass Spectrometer, Gas Chromatograph, Laser analyzers, Blending analyzers and Sulfur Recovery analyzers.
  • Has worked with Analytical package solutions for Process, Stack analyzers and Gas chromatographs, Massspectrometers with all possible technologies.
  • Widely travelled across the world, has attended overseas trainings at Panametrics Ireland, General Monitors, Ireland, Thermofisher Scientific, Houston USA, Ametek Process Analytical, Delaware, Siemens Applied Automation Inc, OK, USA, Siemens Germany, Sensitron Italy, Optek Germany, Flexim Germany, PAC Netherlands, SICK Germany, AMS Germany.

Gas Chromatography in Process Industry

Process Analyzers

Abstract: KEYWORDS

Process Gas Chromatography, Parallel Chromatography, Process control, Applications

ABSTRACT

Right from the invention of On-line process gas chromatography, there has been continuous improvement in the Gas Chromatography world in line with the growing demand from the industry. The needs of faster analysis, quality control, better yield, efficiency of the process, lesser giveaways have got the Gas Chromatograph developers to think and deliver improvements in hardware configurations and technologies and offering solution.

This paper discusses the various developments which have taken place in the Gas Chromatograph world and how these features are providing the much needed and reliable solution to industry demands. Process Gas Chromatography is an analytical technique to physically separate constituents in multi-component mixtures. Separation is followed detection and consequently quantification of the targeted components. Quantification of specific constituents is the actual objective of gas chromatography. A gas chromatograph consists of a temperature controlled oven, auxiliary gas control and electronics for analyzer control and communication. The temperature controlled oven provides an independent environment for the analytics. The analytics consists of the injection system to introduce a defined volume of the mixture with the target components, one or more separation columns and one or more detectors. The multi component mixture has to be a vapor or can be vaporized prior separation. Today the online process gas chromatographs have great feature which perfectly adds value to the demands from the industry is ever growing. Some of these are :

Parallel chromatography

Improved Detector and Valves:

Electronic Pressure Control for Carrier and Fuel gases.

Summary and outlook Process

GCs with modular design increase the flexibility of this instrument technology and ensure its leading position within the process industry. New options can be offered for instrument maintenance and operating costs can be minimised. At the same, the analytical performance can be kept at a high level thanks to proven technology. Through the use of detectors of varying sensitivity, the process GC is able to integrate analytical solutions for a variety of applications involving increasingly important trace analytics in process plants of the oil and gas industry. The expandability of the measurement task in a single GC (parallel chromatography) and the resulting optional multi-component analysis means that an optimal cost-effectiveness of the analysis system is also guaranteed. Future cross-collaboration among instrument developers, users and research bodies is also vital for ensuring that performance, cost-effectiveness and ease of maintenance are taken into consideration in further development of the technology.

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