Nuclear Waste Repositories Safer With Bacteria
Bacteria are microorganisms that can both be beneficial or harmful to man. On the whole, they are necessary for the ecosystem even though they are small. Bacteria have been studied to help in cleaning up various types of waste. A type of bacteria could even be used to make nuclear waste repositories safe.
Researchers at EPFL say that there are naturally occurring bacteria that could consume hydrogen gas in nuclear waste repositories. These bacteria could then be a safe way to prevent radioactive leaks happening in such areas.
According to Phys Org, seven species of bacteria would be placed hundreds of meters underground at the site which would hold Switzerland's nuclear waste deposits. The researchers say that the design of the repository could be remade so that bacteria could thrive there. The bacteria would then eat hydrogen coming from the steel canisters. The canisters could corrode in time, which would pose a danger to the soil as well as surrounding areas.
The study has been conducted by Rizlan Bernier-Latmani. In his study, he noted that bacteria are everywhere and could be safely used in such places as nuclear repositories. Many of the bacteria have never been studied closely before, she adds.
The official EPFL site reports that Bernier-Latmani and her colleagues have studied bacteria in nuclear waste repositories five years ago. In that time, they have put bacteria to increasing amounts of hydrogen level. They monitored how bacteria respond to it, both on their population as well as individually. They also studied their potential to support biochemical pathways and what protein they would produce.
The study has shown that bacteria have responded by a change in their metabolism and population. This was after they have consumed much of the oxygen and iron in the test. They also thrived in hydrogen gas, especially for two of its species.
For safety, she proposed to add a fourth biological wall into the repositories. This wall would be made of porous material in which bacteria could thrive. From there, they could then feed on the hydrogen gas and sulfate coming from the rocks in the surrounding area.
However, while bacteria could feed on deadly hydrogen gas, it transforms this into methane, which could add to global warming. So far, she said that they are observing if bacteria could safely transform that methane.
Effects Of Human Activities On Marine Mammals
A study has shown how marine mammals, such as whales, could be affected by human activities on the oceans.
New Weapon Being Developed Against Bacterial Infections
A new peptide could be the hope in fighting resistant bacterial infection.
Water Bears Resistant To Radiation Damage, Study Finds
A study has found that water bears has a protein that makes them resistant to radiation.
Six-Legged Robot Runs Faster Than Natural Ones
Robotics have come a long way. Now a six-legged robot runs faster than natural ones.
HIV Progression Might Be Influenced By Genetics
As HIV has long been noted to be a communicable disease, what’s the truth behind the claims that the rate of speed of the virus’ progression may be influenced by the genetic component of the patient and the virus itself? If so, are there certain measures that a patient can do to slow down its progress? Here’s what health professionals have to say
Can’t Stop Your Urge In Smoking? Cigarette Firm Promises To Provide You The Same Nicotine Hit With 90 Percent Less Toxins
Considering The Health Risks Of Smoking, How Effective Is The Cigarette That Offers 90% Less Toxins? Does It Mean Smoking Can Be Way Safer Than Before? Find Out What Experts Have To Say
MORE IN ITECHPOST
Top 5 Ways to Make Your Skin Glow
Transforming your skin should not be a huge challenge. We've prepared some expert tips from dermatologists and other skin professionals. These tips will help you restore the radiant and healthy, natural glow on your skin. First appearances count, so take the time to study these tips and use the products mentioned. You'll find that maintaining that youthful glow is not a big deal.
All Plastic Waste Could Become New, High-quality PlasticTthrough Advanced Steam Cracking
A research group at Chalmers University of Technology, Sweden, has developed an efficient process for breaking down any plastic waste to a molecular level.
'Red Dead Redemption 2' Trailer Shows Amazing 4K60 Quality
'Red Dead Redemption 2' trailer is here and it shows its amazing graphics in 4k at 60 fps.