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Flue gas as a raw material - Newly discovered microorganisms utilise CO2 particularly well
Interim status after two years of co-operation: Joint RWE Power/BRAIN project reaches strategically important milestone / Project scope to be expanded once more
Researchers at BRAIN, a leading white biotechnology company, screened their own BioArchive as well as samples taken straight from the flue of the Niederaussem BoA 1 power station(1) for micro-organisms able to grow in flue gas conditions utilising CO2. All in all, they took a closer look at more than 3,000 micro-organisms. Only one out of every three qualified for further investigation. In a next step, the scientists identified and characterised the most efficient utilisers of the greenhouse gas. By now, the researchers have selected 29 candidates with particularly convincing growth properties - of which ten were completely unknown or hitherto undescribed as was determined by the genetic characterization of the micro-organisms.
"Our pioneering work in the search for biotechnological CO2 conversion solutions bears first fruit - we continue to lead the efforts to protect the climate," underscores Dr Johannes Heithoff, Head of Research and Development at RWE Power. "We are thoroughly convinced by the results delivered by BRAIN's research team in co-operation with our power station experts. As a consequence, we will expand the research programme." So far, more than two million Euro have been invested in this research program.
"We have reached a strategic milestone which shows that we are on the right track. The fact that RWE Power intends to expand its research efforts in this area is yet another proof for our successful work," explains Dr Jürgen Eck, BRAIN's Chief Scientific Officer. "We seek to make a lasting contribution when it comes to utilising CO2 in an industrially scalable system. In doing so we harness the wealth of opportunities offered by microbial metabolism pathways and synthetic biology solutions in order to convert CO2 as efficiently as possible with the help of powerful designer micro-organisms," says an optimistic Dr Eck.
RWE Power intends to go beyond the current project focus as the utility company plans to examine other carbon-rich waste streams generated e.g. by sewage water, the production of food or refinery processes. In this context, RWE wants to establish an Innovation Alliance, bringing together a total of 21 industrial companies, small and medium sized enterprises as well as academic research institutions in order to promote waste stream utilisation projects through intense and synergistic co-operation.
The Coal Innovation Centre located at the Niederaussem power plant site bundles all RWE Power activities on climate-friendly power generation from coal. Aiming at reducing emissions, the company operates Germany's first CO2 scrubbing plant, a pilot plant in which lignite is pre-dried (fluidized-bed drying with internal waste heat utilization) and a REAplus(2) high-performance scrubber unit for improved dust and sulphur dioxide capture from flue gas.
All of these projects, costing the company more than Euro 100m, are part of what is currently the world's most modern and efficient lignite-fired power station (BoA 1).
About RWE Power
RWE Power is Germany's largest electricity producer. Over 17,000 employees work in the opencast mines and power plants, processing plants and research projects, training centres and administrative offices. With a power plant capacity of 33,000plus megawatts, the company contributes to RWE's broad energy mix of lignite, hard coal, nuclear power, gas and renewable energies. RWE Power invests billions in the construction of new, low-polluting power plants and in the development of even more efficient, environmentally benign technologies for power generation in the future.
For more information and pictures of the Coal Innovation Centre please visit www.rwe.com.
(1) BoA – lignite-fired power station with optimized equipment technology
(2) REA – flue-gas desulphurisation unit
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