STRONTIUM AND CESIUM SPECIFIC ION-EXCHANGE MEDIA

摘要

This invention is directed to amorphous and crystalline titanosilicate materials that have an unexpected selectivity for cesium and strontium, especially in the presence of high levels of competing ions. The titanosilicates of this invention show very high, unexpected selectivity in the presence of such competing cations such as sodium, calcium, magnesium and potassium, such as present in seawater.

主权项

1. A method of removing di- and/or tri-valent radionuclides from a water stream which contains lighter Group I and Group II cations comprising:
contacting said water stream with a titanium silicate.