Skip to content


Researchers turn low-level nuclear waste into glass via New Atlas

The Cold War left behind significant amounts of low-level nuclear waste, but the future may be a bit cleaner thanks to a team of scientists at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL), who have vitrified low-level radioactive waste for the first time in a continuous process. In a laboratory set up, 3 gal (11.4 L) of waste taken from a tank at the decommissioned Hanford Site nuclear production complex in Washington state was turned into a form of durable glass that immobilizes the radioactive and chemical compounds inside.

Nuclear waste is one of the major environmental headaches of our time. Even if every reactor on Earth were to suddenly shut down and none built again, there is still millions of gallons of waste left over from three quarters of a century of production to deal with, along with future waste from research reactors and hospital radiology labs. Part of the problem is finding a place to store such waste long term, but another is developing a process to make it chemically inert and unable to interact with the environment.

There are a number of ways to treat nuclear waste, and one of the more promising is vitrification. That is, mixing filtered waste with glass-forming materials, then heating it in a furnace to create borosilicate glass, which remains stable for thousands of years. Developing this method has usually concentrated on high-level nuclear waste like spent fuel rods, but there’s a hundred times more low-level waste. That is, waste materials that have been contaminated by radioactive elements or have been exposed to neutron radiation. These can include decayed medical isotopes, contaminated clothing, laboratory animal carcasses, and a lot of low-activity reactor residue in liquid form.

[…]

Meanwhile, radioactive gases given off by the vitrification process were turned back into liquid by condensation, which will be concentrated and grouted for later vitrification. The glass and the grout will be analyzed to determine if they meet disposal standards.

According to PNNL, another laboratory vitrification test is scheduled for later this year. In this one, liquid from another Hanford waste tank will be run through a different filtration and ion exchange process before being turned into glass.

Posted in *English.

Tagged with , , , , , .


One Response

Stay in touch with the conversation, subscribe to the RSS feed for comments on this post.

  1. burp suite torrent says

    avast premium security crack is the best protection and complete protection for users with a reliable configuration. Also, at this age, there are requirements to protect against viruses and spyware. It is the only program that has all the necessary security and protects your computer with excellent performance. Avast premium security activation code Avast Premium Security Crack Keygen Download Avast premium security key Avast free antivirus crack Avast Premium Security Product Key Avast Premium Security serial key Avast Premium Security 2021 Key Avast Premium Security License File Till 2050 Avast Premium Security Activation Code Till 2050 Avast Premium Security Crack Patch Avast Premium Security Crack download antivirus avast crack free download avast 2020 offline installer with crack avast 2021 crack avast activation code avast antivirus crack 2019 avast antivirus crack download for pc avast antivirus crack key avast antivirus crack till 2050 avast antivirus crack version avast antivirus key crack avast antivirus license key for lifetime Avast license key Avast Premier 2021 Crack Plus License Key avast premier antivirus 2020 activation code avast premier antivirus 2020 activation key avast premier antivirus 2020 crack avast premium security 2020 license file till 2023 avast premium security activation code 2021 avast premium security activation code crack avast premium security activation code till 2050 Avast Premium Security activation keyAvast Premium Security crack avast premium security crack code Avast Premium Security crack download Avast Premium Security crack for window Avast Premium Security crack full version Avast Premium Security crack mac Avast Premium Security free crack avast premium security full crack Avast Premium Security full patch avast premium security full version Avast Premium Security keygen Avast Premium Security keygen mac Avast Premium Security license code Avast Premium Security license code crack avast premium security license file Avast Premium Security license key avast premium security license key crack Avast Premium Security patch download Avast Premium Security patch key Avast Premium Security product key Avast Premium Security registration key Avast Premium Security serial key



Some HTML is OK

or, reply to this post via trackback.