文献类型：期刊文献

英文题名：Efficient scavenging of uranium (VI) using porous hexagonal boron nitride by a combined process of surface adsorption and induced precipitation crystallization

作者：Li, Li[1];Zhao, Yin[1];Jin, Yang[1];Linghu, Wensheng[1];Chen, Chaogui[1];Asiri, Abdullah M.[2];Marwani, Hadi M.[2];Sheng, Guodong[1]

机构：[1]Shaoxing Univ, Coll Chem & Chem Engn, Huancheng West Rd 508, Shaoxing 312000, Zhejiang, Peoples R China;[2]King Abdulaziz Univ, Fac Sci, Chem Dept, Jeddah 21589, Saudi Arabia

年份：2019

卷号：321

期号：3

起止页码：1035

外文期刊名：JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY

收录：SCI-EXPANDED(收录号：WOS:000481434700028)、、Scopus(收录号：2-s2.0-85069443705)、WOS

基金：Financial supports from the National Natural Science Foundation of China (21577093, and 21777102), Natural Science Foundation of Zhejiang Province (LY15B070001) is greatly acknowledged.

语种：英文

外文关键词：Porous hexagonal boron nitride; Adsorption; Uranyl; Uranyl hydrolyzed precipitate

外文摘要：An ammonium/hydroxyl-enriched p-BN microrods were synthesized and the adsorption behavior of uranyl on p-BN was systematically studied. The adsorption kinetic and isotherm studies revealed the adsorption behavior is independent on electrostatic attraction or chemisorption. The results demonstrate uranyl hydrolyzed precipitated crystals are formed on the surface of p-BN at an optimized pH of 2.86 and the maximum adsorption capacity can reach 413 mg g(-1) at T = 303 K. A hypothetical adsorption mechanism with a combination of surface adsorption and induced precipitation crystallization was proposed.