It uses two ion exchange processes to remove the radioactive elements Cesium-134 (Cs-134), Cesium-137 (Cs-137) and Strontium-90 (Sr-90) from the seawater.
Additionally, they addressed the challenges of metallic CNTs with the invention of a technique to remove these undesirable elements from their circuits.
Tepco is developing a few measures, including a system that would pump groundwater away from the reactor buildings so there would be less contaminated liquid to deal with, and another that would remove all radioactive elements from the water so it could be released safely into the environment.