34 Analytical Instrumentation Future-proof gas analysis technology for maritime emission monitoring


Without a doubt, international shipping on the world’s oceans and inland waterways contributes measurably to greenhouse gas and pollutant emissions. Their propulsion engines predominantly burn fuels with high sulphur content and generally lower purity. This problem has been recognised, and the transformation of ship propulsion systems is being initiated worldwide. Accordingly, stricter emission limits have been set and are being implemented successively. The International Maritime Organization (IMO) establishes environmental protection regulations for maritime shipping in the “International Convention for the Prevention of Pollution from Ships” (MARPOL Convention).


Similarly, this transformation process will undoubtedly extend over decades, as it is economically nearly impossible for many countries to retrofi t their fl eets in a short period. Similarly, it is unrealistic to provide large numbers of low-emission or even emission-free propulsion systems within a few years.


Since inaction is not an option, efforts began some time ago to signifi cantly reduce both the pollutant content in fuels and the emissions from ship engines using appropriate exhaust gas cleaning systems.


Exhaust gas scrubbers are often used for this purpose. These devices dissolve gaseous pollutants in water and discharge them directly into the sea. When these scrubbers operate in an open-loop system, the problem is shifted from the air to the water. Therefore, ongoing efforts are being made to develop improved exhaust gas cleaning methods, one of which is to


operate scrubbers in a closed-loop system. Here, the wastewater is collected and disposed of on land.


Whatever may be considered the lesser evil in exhaust gas cleaning, the environmental regulations mandate compliance and monitoring of permissible limit values. This necessitates exhaust gas analysis systems specifi cally designed for ship operations and approved by classifi cation societies.


Bühler Technologies has long been active in this application area, offering a comprehensive programme ranging from gas sampling points and measurement gas transport to conditioning and analytical evaluation. The newest member of this family is the BA 3 MA analyser.


This device has DNV certifi cation according to test specifi cation CG 03 339 and is approved in accordance with regulation MEPC 259(68). It quickly provides all critical parameters for monitoring


emissions on ships. These include the measurement of SO2 (NDUV with a range of 0-100 ppm) and CO2 of 0-10 vol.-%) and the SO2


/CO2 (NDIR with a range ratio output in ppm/vol.-%. All


status, limit value, and alarm messages are displayed clearly on the touch display and can additionally be output via potential- free relay contacts and Modbus TCP. Measurement values can be retrieved in both analogue and digital form via Modbus TCP.


Regardless of which exhaust gas cleaning methods will prevail, using Bühler Technologies’ marine components, you have a future-proof solution for emissions monitoring in the maritime sector at your disposal.


More information online: ilmt.co/PL/ywJG For More Info, email:


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CALIBRATE YOUR WAY – Permeation Systems for Process GC Calibration or Laboratory GC, GC/MS Calibration!


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KIN-TEK Analytical, Inc. provides trace gas calibration solutions for industrial or laboratory environments. Trace gas calibration in ppm to ppb ranges requires accurate and reliable standards that are dynamically generated using permeation tubes. KIN-TEK offers permeation systems built for industrial areas or for QA/QC labs.


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The Span Pac™ Industrial (SP61-I) Permeation System dynamically creates NIST traceable gas standards for on-line calibration of process gas analyzers typically located in a plant analyzer house. Span Pac™ I Units are designed for N.E.C. Class 1, Group C or D, Div II hazardous atmospheres and can be adapted to Div 1 service to work side-by-side with your process analyzers. These units are wall mountable with Z-purge or X-purge options and provide the perfect solution for injecting the calibration gas directly into an automated sampling system.


For calibrating laboratory gas analyzers, the FlexStream™ Base automated permeation system works as a stand-alone instrument or controls an array of modules to fi t unique calibration applications. For example, gas mixtures that require secondary dilution or the addition of variable humidity are easily created by selecting the appropriate modules in a series. Users benefi t from operating the FlexStream™ with


a local touchscreen interface or via a user supplied PC running FlexLink™ Software supplied with the instrument. FlexLink™ Software is easy to use, provides visual graphics, and logs data - saving users time and effort. Other systems without automation such as the 491Flex™ product series or the simplifi ed EcoFlex™ are also available.


KIN-TEK offers over 550 chemical gas standards using permeation tube technology for delivering accurate NIST Traceable calibration gases. Certifi ed Trace Source™ disposable or refi llable type tubes come with a NIST Traceable Certifi cate of Calibration and are manufactured for use within a Span Pac™ Industrial or FlexStream™ Permeation system. Trace calibration gases from high ppm to ppb concentrations, complex gas mixtures, and multi-point calibration curves are created easily using specifi ed permeation tubes.


Whether you need trace sulfurs, VOCs, BTEX or other standard gases for calibration, contact KIN- TEK Analytical for solutions to Calibrate Your Way!


More information online: ilmt.co/PL/Q68z For More Info, email:


email: PIN AUGUST / SEPTEMBER 2024 For More Info, email: 63055pr@reply-direct.com


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