12 Air Monitoring Sustainable Process Gas Monitoring


Fresenius Umwelttechnik has 25 years experience in developing and manufacturing various gas monitoring systems and provides analysers, services and system integration. The devices are available for stationary, portable or fully system integrated applications and is able to combine various measurement technologies. The gas analyser 315 allows easy online measurement of IR-active substances in gas streams having temperatures of up to 300 degrees Celsius, for example:


Formaldehyde monitoring in the exhaust of gas engines on biogas or landfill gas plants, measurements of gas constituents that are usually not captured without loss when using a gas cooler. All devices are equipped with automatic calibration the system temperature is kept constant a second measurement under negative pressure complements the first measurement under atmospheric pressure. This reduces the absorption of IR radiation under lower pressure, since there are less gas molecules in the measuring cell. The reduction of this absorption depends on air pressure and gas concentration. Both measurement procedures allow calculating the gas concentration. No calibration gas needed on site.


The major advantages of this technology are the combination of easy handling; high long term stability; regulation of a heated sample gas line and a data communication via integrated computer. Using the measuring principle of NDIR makes the devices reliable and thrifty. All other IR active substances in different gas-matrix are available.


Mercury - are proposed emission limits achievable?


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Pulverised coal-fired power plants are slowly being phased out, to be replaced either by state of the art super and ultrasupercritical coal plants or by alternative technologies such as gas and renewables. Many may see the tightening emission limits for mercury in North America and the EU as, perhaps, a shot in the head for an already dying breed. But coal plays an important role in the energy mix in some regions and so the cleaning up of existing units is important and offers a significant market for new flue-gas cleaning technologies.


The USA has seen a huge market emerge for sorbents and oxidants to help capture mercury in existing or enhanced emission control systems on its coal-fired fleet. However, the North American


market is almost saturated. Potential new markets are building in Asia (China, India and other SE Asian nations) and in Europe, where more stringent emission limits are being discussed. However, agreement on these standards has not yet been reached. The existing limits for mercury emissions from coal plants in China (30 µg/m³) is not particularly challenging. But the Chinese Government is allegedly in discussion to lower the limits, possibly varying them by province or region, down to 10 or maybe even 5 µg/m³.


The new EU BREF (best available technology reference document) of the Industrial Emission Directive is still undergoing review, but current indications are that emission limits may be set within a range of 9 down to 1 µg/m³ or even lower for some plants (the exact value to be determined on a case by case basis under each plant specific permit). Arguments have already been raised that the lower range of the proposed limits would be challenging, if not impossible, for some plants, especially units firing lignite. Unpublished German studies have suggested that the conversion of the USA emission limit into a similar limit for the EU has not been carried out correctly, with assumptions for plant efficiencies and running conditions being inappropriate for such a direct translation of values. Further, the basis of the US limit, which is that plants should achieve emissions comparable to those of the top performing 12% of coal-fired units in the USA, may not be representative in other countries. Within this top performing set are fluidised bed systems, dry sorbent systems and advanced coal units which simply do not compare with the fleet of plants currently operational in the EU.


In Africa as well, governments are beginning to consider how ratification of the new UN Minamata Convention on Mercury could affect existing and new coal plants. The text of the Convention requires the use of BAT (best available technologies) on new plants and for emission control or reduction measures, including BAT, at existing units, within 5-10 years of ratification, respectively. Whilst the UNEP Coal Partnership, led by the IEA CCC, has worked with the international experts group to produce proposed guidance on what BAT may mean for different regions, it is hard for countries with challenging coals (high ash, high moisture), and other regional issues (limited water availability, limited space, aging fleets, high power demand, economic issues) to understand just how they can put mercury reduction on their agenda in an achievable manner.


These challenges, and more, will be being discussed at a series of meetings at the stunning Kruger Gate Hotel in South Africa from 28 February - 3 March 2017. The first day of the event, funded by the US Department of State and supported by Eskom and the Government of South Africa (DEAT), will concentrate on discussing energy efficiency and emission challenges and a potential road map for mercury reduction in South Africa and neighbouring African nations. The following two and a half days will comprise an expert workshop on reducing mercury and related emissions from coal combustion. This workshop will be attended by government bodies, utilities and industry from China, Russia, Germany, Slovenia, the UK, USA, India and elsewhere. The final day will include a half day meeting of the UN Environment Coal Partnership to discuss current and future projects in emerging economies and the future of the partnership under the Minamata Convention as it moves towards ratification, expected later this year.


This meeting is very limited in capacity with fewer than 20 spaces left available. Please check the website and register as soon as possible if you intend to join us. In addition to the technical meetings and workshop, the event includes several receptions and gala events. Two optional game drives out into Kruger National Park are built in to the meeting agenda.


For more information, please contact Dr Lesley Sloss. Smart Gas Generators


For More Info, email: email:


For More Info, email: email:


LNI Swissgas, based in Geneva, Switzerland, is a leading organisation in gas calibrators, blenders, generators and linearisation systems.


The company develops, manufacture and sell products for Air Pollution Monitoring, Emission & Process, Automotive and Laboratories.


The product portfolio includes: High precision calibrators for gas applications, Hydrogen, zero air, and nitrogen 19” rack generators for APM and CEM, Hydrogen, zero air, and nitrogen generators for GC and LCMS applications, Ozone Generators for low concentrations, and Permeation tubes.


LNI Swissgas maintains ISO 9001 for corporate activities, research and manufacturing. In order to satisfy high metrological requirements, LNI Swissgas, has been working for several years with its own accredited


ISO 17025 calibration laboratory. AET Annual Buyers Guide 2017 www.envirotech-online.com


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JCT Expands Presence on the Asian Marketplace


Günter Zimmel; JCT CEO & Wang Wei; JCT China Manager


In 1992 JCT Analysentechnik GmbH was established and in 2017 the company celebrates 25 years in business and expands their activities, particularly in Asia. The specialist for gas sampling systems, sample gas conditioning solutions and analysers for Total Hydrocarbon (THC) monitoring, JCT Analytical Technology has clear growth goals for this marketplace and takes a number of steps to secure its position for future growth:


JCT Analytical Technology (Nanjing) Co. Ltd is a new Joint Venture. With headquarters in Austria, the company has a year- long partner to serve the Chinese market with local consulting and technical expertise. JCT China is managed by Mr Wang Wei and works with a broad base of system integrators all over the country. “After five years of continuous growth in China we now made the step to show our commitment to support our existing and future customers,” said Jameson Chang, the responsible regional manager of JCT.


In India JCT is starting 2017 with a fresh breeze and a manager with many years of experience. Mr Roland Zepeck, who has served Indian customers for more than 30 years, being responsible for major European and US suppliers in the field of environmental monitoring and process control and joined JCT earlier this year to use his strong presence and knowledge about the needs and requirements of environmental engineers in India.


For many years JCT is present in the Asian market through a branch office in Singapore which is headed by Mr Jameson Chang. Customers of JCT are integrators of CEMS (Continuous Emission Monitoring Systems) and Process Control solutions in countries like Malaysia, Indonesia, Thailand, Taiwan and Australia. Partners in China and India have been served from the branch office in Singapore too.


Main products of JCT for Asia include gas sampling probes (high temp, high dust, Ex-zone) as well as sample gas lines (heated lines for demanding applications) or sample gas coolers and sample gas conditioning systems. In cooperation with a German manufacturer JCT recently introduced the JFID series of flame ionisation detectors for real time hydrocarbon measurement in industrial applications.


For more information about products and international presence please [click here](https://ilmt.co/PL/D1vY) or click the QR code on the advertisement in the AET Annual Buyers’ Guide (yellow column, you can’t miss it!).


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For More Info, email: email:


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