Kyushu University-led research group develops innovative method for continuous monitoring of CO2 leaks from underground storage sites
Carbon capture and storage projects rely on effective monitoring of injected CO2. However, the high number of necessary surveys makes this a costly endeavor.
A team of Japanese researchers may have found a means of achieving easier and lower-cost monitoring for leaks of CO2 stored in underground reservoirs.
A recently published article from a team led by researchers at Kyushu University's International Institute for Carbon-Neutral Energy Research (I2CNER) shows how underground CO2 storage sites could be continuously monitored for leaks--a breakthrough for monitoring applications.
Underground storage of CO2 produced from fossil fuel burning, rather than releasing it into the atmosphere, could play an important role in suppressing climate change. However, to safeguard those living at the surface and regulate the climate, ensuring that the CO2 does not leak from the storage site is key.
Current monitoring methods are costly and only carried out periodically, but by using techniques more often used to study earthquakes and volcanic eruptions, the team used analysis of seismic waves to show it is possible to detect movement of subterranean fluids and to identify leaks before they reach the surface.
"One of the main issues" lead author Tatsunori Ikeda says, "was that we had to be sure we could distinguish between seismic wave signals from a CO2 leak and noise from other near-surface disturbances."
Drawing on previous work across multiple disciplines, the method was developed and rigorously analyzed using computer simulations, before being field-tested near a busy road in central Japan's Tokai region. "We used an ACROSS unit and a series of geophones to test the method," coauthor Takeshi Tsuji says.
Given the success of the experiment, "a real opportunity for application of this work is that microseismic monitoring arrays typically installed at storage sites could provide the data needed to identify any leakages and decrease the need for more costly 4D seismic studies that are the industry norm."
Additional testing to refine the method and further improve its accuracy is one branch of work being carried out as part of I2CNER's interdisciplinary efforts to advance the development of carbon capture and storage and boost efforts for achieving a carbon-neutral society.
Yumiko Masumoto, Ruri Hirashima, Aya Mako | EurekAlert!
Modeling magma to find copper
13.01.2017 | Université de Genève
What makes erionite carcinogenic?
13.01.2017 | Friedrich-Schiller-Universität Jena
Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...
At TU Wien, an alternative for resource intensive formwork for the construction of concrete domes was developed. It is now used in a test dome for the Austrian Federal Railways Infrastructure (ÖBB Infrastruktur).
Concrete shells are efficient structures, but not very resource efficient. The formwork for the construction of concrete domes alone requires a high amount of...
Many pathogens use certain sugar compounds from their host to help conceal themselves against the immune system. Scientists at the University of Bonn have now, in cooperation with researchers at the University of York in the United Kingdom, analyzed the dynamics of a bacterial molecule that is involved in this process. They demonstrate that the protein grabs onto the sugar molecule with a Pac Man-like chewing motion and holds it until it can be used. Their results could help design therapeutics that could make the protein poorer at grabbing and holding and hence compromise the pathogen in the host. The study has now been published in “Biophysical Journal”.
The cells of the mouth, nose and intestinal mucosa produce large quantities of a chemical called sialic acid. Many bacteria possess a special transport system...
UMD, NOAA collaboration demonstrates suitability of in-orbit datasets for weather satellite calibration
"Traffic and weather, together on the hour!" blasts your local radio station, while your smartphone knows the weather halfway across the world. A network of...
Fiber-reinforced plastics (FRP) are frequently used in the aeronautic and automobile industry. However, the repair of workpieces made of these composite materials is often less profitable than exchanging the part. In order to increase the lifetime of FRP parts and to make them more eco-efficient, the Laser Zentrum Hannover e.V. (LZH) and the Apodius GmbH want to combine a new measuring device for fiber layer orientation with an innovative laser-based repair process.
Defects in FRP pieces may be production or operation-related. Whether or not repair is cost-effective depends on the geometry of the defective area, the tools...
10.01.2017 | Event News
09.01.2017 | Event News
05.01.2017 | Event News
16.01.2017 | Power and Electrical Engineering
16.01.2017 | Information Technology
16.01.2017 | Power and Electrical Engineering