Efficient Sr-90 removal from highly alkaline solution by an ultrastable crystalline zirconium phosphonate
Jiarong Zhang, Long Chen, Xing Dai, Lixi Chen, Fuwan Zhai, Weifeng Yu, Shikai Guo, Lijiang Yang, Lanhua Chen, Yugang Zhang, Linwei He, Chen Changlun, Zhifang Chai, Shuao Wang
Abstract
An ultrastable zirconium phosphonate framework (SZ-7) exhibits superior Sr 2+ ion-exchange properties in 1 M NaOH solution with high adsorption capacity (183 mg g −1 ) and in-depth removal performance ( K d = 3.9 × 10 5 mL g −1 ).
Topics & Concepts
PhosphonateZirconiumAdsorptionIon exchangeChemistryAlkaline earth metalIonNuclear chemistryInorganic chemistryAlkali metalOrganic chemistryChemical Synthesis and CharacterizationMetal-Organic Frameworks: Synthesis and ApplicationsMXene and MAX Phase Materials