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First Combined Heat and Power Plants with SCR Exhaust Gas Cleaning System Delivered by ETW Energietechnik

Image to introduce artcile on CHP Plants with Exhaust Gas Cleaning System cleaner air less pollution.ETW Energietechnik has delivered the first combined heat and power plants with SCR equipped exhaust gas cleaning system. A Duisburg municipal utility CHP plant has been equipped with this new, urea injection based system “SCR” exhaust gas cleaning system.

The German CHP specialist ETW Energietechnik has delivered natural gas CHP units with selective catalytic reduction (SCR) technology for the first time. Therefore, Stadtwerke Duisburg is the first to use “Adblue technology” from ETW in this example of combined heat and power plants with SCR.

The family run business from Moers comprises three plants with MWM engines of the type TCG 2020V12, each with an electrical output of 999 kilowatts.

Watch the video below which introduces this subject, and then SCROLL on down for the full story.

Combined Heat and Power Plants with SCR – Efficiency: 94 percent

At the Duisburg-Mitte and Duisburg-Süd sites, two of the three ETW plants with significantly reduced nitrogen emissions, have been in operation since the end of 2017. The third plant in Duisburg-Süd will also be commissioned at the beginning of 2019. By that time, all three plants achieving a very good overall efficiency of 94 percent each. They will be using an intelligent heat utilisation concept, based on a second installed exhaust gas heat exchanger stage (AWT), and heat recovery from the mixed cooling circuit.

“SCR” Exhaust Gas Cleaning System Delivers at Emission Below Levels Below all Statutory Current Limits

With the fully operational, fully automatic SCR catalytic converter plant including urea injection (Adblue system), the ETW plants comply with the latest state-of-the-art and therefore fall below all currently required exhaust emission limits, which for Luft 2017 are:

  • NOx: < 100 mg/Nm³ (exhaust gas dry at 5 percent O2)
  • CO: < 100 mg/Nm³ (exhaust gas dry at 5 percent O2)
  • Formaldehyde: < 20 mg/Nm³ (dry flue gas at 5 percent O2).

Easily provided by the new ETW Energietechnik Combined Heat and Power Plants with SCR.

Highest Current Environmental Standards Already Achieved But The New Equipment Will Comply With New (More Stringent) Standards

Another image showing combined heat and power plants with SCRFrom a legal point of view, compliance with the old limit values from the “TA-Luft” version of 2002 remains the legal requirement in Germany.

The “TA-Luft” version of 2002, specifies that 500 milligrams of NOx, 300 milligrams of CO and 30 milligrams of formaldehyde per standard cubic meter must not be exceeded. The amendment to the TA-Luft of 2017 has been initiated, but has not yet been adopted. The new, lower limit values, which the ETW CHPs in Duisburg already comply with, are fixed here.

The stricter future values were written into the specifications by Stadtwerke Duisburg. By complying with the amended 2017 directive, the utilities aim to generate their energy in the most environmentally friendly and sustainable manner possible.

Reacting to Customer Requirements

ETW Energietechnik’s innovative Adblue CHP units are among the first SCR plants in Germany that are currently operating under full load on the grid.

The managers at ETW are absolutely certain that others will follow and that Adblue will become the standard. Usually, they currently only deliver the standard SCR catalytic converter housing with a single-nozzle section for Adblue. The including just the elements needed for compliance with the values according to TA-Luft 2002. This simplifies subsequent retrofitting considerably and enables the company to react immediately to customer requirements.

Sales Manager at ETW, Alexander Szabo said:

“Be sure to plan for upgrading Accordingly, we are already advising our customers to plan the SCR catalytic converter in the form of a casing, including the injection line, for all systems”.

Mr Szabo added that:

“The specialists at ETW Energietechnik GmbH are certain that the limit values in the 2017 amendment, will be adopted in the foreseeable future. When that happens the new regulations will become generally applicable to all CHP plants after a transition period. This will also occur throughout Europe.

In Italy, even stricter limit values are required.

ETW Energietechnik has the capability to upgrade all CHP units with their Combined Heat and Power Plants with SCR technology, to comply with the new emission regulations, throughout Europe.

Background Information to this Installation of the First Combined Heat and Power Plants with an SCR Exhaust Gas Cleaning System

ETW Energietechnik GmbH has been developing and producing energy plants in Moers, Germany, since 1997. The company‘s core business comprises the construction and maintenance of combined heat and power (CHP) plants in the output range of 400 to 4,600 kWel, as well as highly efficient Biogas Upgrading plants that produce pure Biomethane out of raw Biogas using a high-end PSA technology.

Image showing Combined heat and power plants with SCR.The company is a one-stop provider: From the transfer of biogas to the feed- in of power into the grid and the provision of heat, ETW also takes care of the construction, commissioning, and maintenance of CHP and Biogas Upgrading plants.

The clientele of ETW Energietechnik GmbH includes large energy suppliers, agricultural plants, municipalities, and industrial businesses of various types and sizes, all of which attach importance to eco-friendly, economic energy generation.

One of the strategic highlights is the implementation of economic, sustainable plant concepts that are planned individually and adapted to the respective requirements. A qualified service team ensures operational reliability and maximum availability of the plants.

The medium sized, family owned enterprise employs a staff of 80. It is managed by its founder Helmut Weiss and his two sons Marco and Carsten.

For more information on Combined Heat and Power Plants with SCR, visit the CHP page at their website.

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10 Responses to First Combined Heat and Power Plants with SCR Exhaust Gas Cleaning System Delivered by ETW Energietechnik

  1. karin April 7, 2018 at 6:13 pm #

    what does it mean Adblue will become the standard. the standard is the LUFT. good site in general. Shame about this page.

  2. dumpsterinfinite.com April 7, 2018 at 6:14 pm #

    Put your recycling bins properly lined up along with your trash can, so
    you would be going there anyway.

  3. GreeningEarth April 8, 2018 at 7:42 pm #

    Good article. We will start to develop clean energies rapidly once people realize it is a question survival. I hope it won’t be too late, but it is not in my control anyway. All anyone can do is open their minds and help others to do the same. Once they are ready to face the truth the evidence supports the techs you describe.

  4. Joni Avid April 16, 2018 at 11:47 am #

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  5. Publiclab April 16, 2018 at 12:29 pm #

    Very technical article. ETW Energietechnik has an office in my home town. I always like to read their news. I certainly love this website.

  6. H Rantzen April 17, 2018 at 5:08 pm #

    Hello, after reading this newsy piece of writing I am also glad to share my complete satisfaction with your website.

  7. Harland Cable May 1, 2018 at 1:41 pm #

    I viѕit daily a few blogs and sites to read articles about German Technology. I wish to move to Germany, to start my career, because they are the world’s best at new tech, and believe me – you cannot go wrong with any of their German kit.

  8. Digleth May 3, 2018 at 11:43 am #

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  9. Harvey Harrison May 4, 2018 at 12:07 am #

    Good day! This is kind of off topic but I need some guidance from an established blog. Can I use free web hosting for my new blog? My friend told me to avoid free web hosting for your commercial website from the beginning to avoid future headaches and lost business. He said that although free always sounds good, especially for someone starting up a business, these hosts will crowd your site with all kinds of ads which you have no control over. Not only can this interfere with your business philosophy and web design, it can also chase customers away. What sort of hosting do you use?

  10. Joe Davison May 6, 2018 at 11:47 pm #

    Hi! I was convinced i’d visited your blog before, but after looking at some of your posts I realized it’s new to me. So, I am giving you a link to my country’s website which explains that CHP is big in Latvia. We do this a lot. Yes, Latvia is one of the leaders in the EU for multi-story residential buildings served by district heating.

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