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Study on preparation of modified diatomite loaded ammonium phosphomolybdate composite adsorbent and its adsorption performance of Cs+
Received date: 2023-01-12
Online published: 2023-11-16
There are high concentrations of alkali metal elements in salt lake brine with similar properties to cesium ions，which makes the selective separation of cesium resources in salt lake brine very difficult.In this study，the surface of diatomite was modified by hydrothermal method with cheap and easily available diatomite as the matrix and aluminum chloride as the aluminum source.The prepared modified diatomite was calcined at 500 ℃ as the carrier material，and ammonium phosphomolybdate was loaded onto the surface of the carrier material by impregnation to prepare composite adsorbent.The prepared materials were characterized by X-ray diffraction，scanning electron microscopy and Fourier transform infrared spectroscopy.The adsorption and desorption properties of Cs+ were studied systematically.The results showed that the prepared adsorbent maintained high selectivity in the complex system，and the adsorption capacity reached 79.41 mg/g.The adsorption data were fitted by kinetic and adsorption isotherm models.The results showed that the adsorption process was more in line with the quasi-second-order kinetic model and Langmuir adsorption isotherm model.When 3 mol/L NH4NO3 was used as the desorption agent，the desorption rate was as high as 88.23%.After four adsorption-desorption cycle tests，the adsorption amount could remain at 74.38% of the initial adsorption amount.
Key words： diatomite; alumina; ammonium phosphomolybdate; Cs+; adsorption
GUO Xueqin , DENG Xiaochuan , ZHU Chaoliang , FU Xin , WANG Ruirui , MA Wanxia , FAN Jie , ZUO Fangtao , QING Binju . Study on preparation of modified diatomite loaded ammonium phosphomolybdate composite adsorbent and its adsorption performance of Cs+[J]. Inorganic Chemicals Industry, 2023 , 55(11) : 19 -26 . DOI: 10.19964/j.issn.1006-4990.2023-0033
| 1 | 董普，肖荣阁.铯盐应用及铯（碱金属）矿产资源评价［J］.中国矿业，2005，14（2）：30-34. |
| DONG Pu， XIAO Rongge.Caesium appication and caesium（alkali metals） resource evaluation［J］.China Mining Magazine，2005，14（2）：30-34. | |
| 2 | 刘力.铷铯发展与思考［J］.新疆有色金属，2013，36（6）：46-50. |
| LIU Li.Development and thinking of rubidium and cesium［J］.Xinjiang Youse Jinshu，2013，36（6）：46-50. | |
| 3 | LI Chiping， KANG C Y， HUANG Shuling，et al.Near infrared radiation shielding using Cs x WO3 nanoparticles for infrared mini light-emitting diodes［J］.Materials Letters，2020，260：126961. |
| 4 | ZHANG Zelong， SHEN Linli， ZHAO Yi，et al.Coexisting CsPbCl3：CsPbI3 perovskite nanocrystal glasses with high luminescence and stability［J］.Chemical Engineering Journal，2020，385：123415. |
| 5 | 郑喜玉，张明刚，徐昶，等.中国盐湖志［M］.北京：科学出版社，2002. |
| 6 | 曹文虎，吴蝉.卤水资源及其综合利用技术［M］.北京：地质出版社，2004. |
| 7 | 王云生，郑绵平，卜令忠，等.溶液体系中铯分离提取技术的研究进展［J］.盐业与化工，2011，40（2）：34-37. |
| WANG Yunsheng， ZHENG Mianping， BU Lingzhong，et al.Progress on cesium separation and recovery from the salt lake brines［J］.Journal of Salt and Chemical Industry，2011，40（2）：34-37. | |
| 8 | CHEN Shangqing， HU Jiayin， HAN Senjian，et al.A review on emerging composite materials for cesium adsorption and environmental remediation on the latest decade［J］.Separation and Purification Technology，2020，251：117340. |
| 9 | WANG Xuekai， WANG Jinshu， TENG Weili，et al.Fabrication of highly efficient magnesium silicate and its adsorption behavior towards Cr（Ⅵ）［J］.Microporous and Mesoporous Materials，2021，323：111196. |
| 10 | 杜玉成，李生辉，谷恒学，等.巯基/羧基修饰硅藻土及其对Pb（Ⅱ）、Cd（Ⅱ）的吸附性能［J］.无机化学学报，2021，37（1）：65-73. |
| DU Yucheng， LI Shenghui， GU Hengxue，et al.Mercapto/carboxyl modified diatomite：Adsorption properties to Pb（Ⅱ） and Cd（Ⅱ）［J］.Chinese Journal of Inorganic Chemistry，2021，37（1）：65-73. | |
| 11 | 靳翠鑫，杜玉成，吴俊书，等.硅藻土原位负载网状纳米结构硅酸镁及其对Cr（Ⅵ）吸附性能［J］.无机化学学报，2019，35（4）：621-628. |
| JIN Cuixin， DU Yucheng， WU Junshu，et al.In-situ growing nanostructured magnesium silicate on diatomite：Adsorption properties of Cr（Ⅵ）［J］.Chinese Journal of Inorganic Chemistry，2019，35（4）：621-628. | |
| 12 | DU Yucheng， ZHEN Shuang， WANG Jinshu，et al.FeOOH-MnO2/Sepiolite and Fe2O3-MnO2/Diatomite：Highly efficient adsorbents for the removal of As（Ⅴ）［J］.Applied Clay Science，2022，222：106491. |
| 13 | 郑广伟，杜玉成，侯瑞琴，等. γ-AlOOH/Al2O3修饰硅藻土的制备与Cs+、Pb2+吸附性能［J］.无机化学学报，2015，31（5）：930-938. |
| ZHENG Guangwei， DU Yucheng， HOU Ruiqin，et al.Fabrication and highly efficient adsorption for Cs+ and Pb2+ of γ-AlOOH/Al2O3 modified diatomite［J］.Chinese Journal of Inorganic Chemistry，2015，31（5）：930-938. | |
| 14 | SCHNEIDER S， GARCEZ A C， TREMBLAY M，et al.Nanoporous ammonium molybdophosphate-silica hybrids as regenerable ultra-selective extraction agents for radiocesium monitoring［J］.New Journal of Chemistry，2013，37（12）：3877-3880. |
| 15 | CHEN Shangqing， HU Jiayin， SHI Jian，et al.Composite hydrogel particles encapsulated ammonium molybdophosphate for efficiently cesium selective removal and enrichment from wastewat-er［J］.Journal of Hazardous Materials，2019，371：694-704. |
| 16 | PARK Y， SHIN W S， CHOI S J.Ammonium salt of heteropoly acid immobilized on mesoporous silica（SBA-15）：An efficient ion exchanger for cesium ion［J］.Chemical Engineering Journal，2013，220：204-213. |
| 17 | ZHANG Xiaoxia， WU Yan， CHEN Baocai，et al.The effect of γ-ray irradiation on the adsorption properties and chemical stability of AMP/SiO2 towards Cs（I） in HNO3 solution［J］.Journal of Radioanalytical and Nuclear Chemistry，2016，310（2）：905-910. |
| 18 | 董超超，邓小川，王斌，等.以硅藻土为原料制备铯吸附剂及其吸附性能初探［J］.无机盐工业，2021，53（6）：134-139. |
| DONG Chaochao， DENG Xiaochuan， WANG Bin，et al.Preparation of cesium adsorbent from diatomite and its adsorption properties［J］.Inorganic Chemicals Industry，2021，53（6）：134-139. | |
| 19 | WANG Zhijie， DU Hong， GONG Jinghua，et al.Facile synthesis of hierarchical flower-like γ-AlOOH films via hydrothermal route on quartz surface［J］.Colloids and Surfaces A：Physicochemical and Engineering Aspects，2014，450：76-82. |
| 20 | INGALE S V，RAM R， SASTRY P U，et al.Synthesis and characterization of ammonium molybdophosphate-silica nano-composite（AMP-SiO2） as a prospective sorbent for the separation of 137Cs from nuclear waste［J］.Journal of Radioanalytical and Nuclear Chemistry，2014，301（2）：409-415. |
| 21 | DENG Hao， LI Yuxiang， HUANG Yi，et al.An efficient composite ion exchanger of silica matrix impregnated with ammonium molybdophosphate for cesium uptake from aqueous solution［J］.Chemical Engineering Journal，2016，286：25-35. |
| 22 | 胡佩卓，刘莲，王海静，等.磷钼酸铵/聚丙烯酸复合凝胶吸附剂的合成及对铯的分离［J］.核化学与放射化学，2019，41（4）：361-369. |
| HU Peizhuo， LIU Lian， WANG Haijing，et al.Synthesis of ammonium phosphomolybdate/polyacrylic acid composite gel adsorbent and separation of cesium［J］.Journal of Nuclear and Radiochemistry，2019，41（4）：361-369. | |
| 23 | DAN Hui， XIAN Qiang， CHEN Luyu，et al.Fabrication of AMP/SBA-15 with various morphologies for cesium removal from aqueous solution［J］.Journal of Sol-Gel Science and Technology，2019，91（1）：165-177. |
| 24 | DONG Zhen， DU Jifu， CHEN Yanliang，et al.A comparative study of immobilizing ammonium molybdophosphate onto cellulose microsphere by radiation post-grafting and hybrid grafting for cesium removal［J］.Environmental Pollution，2021，273：116432. |
| 25 | WANG Yanping， LI Kexin， FANG Dezhen，et al.Ammonium molybdophosphate/metal-organic framework composite as an effective adsorbent for capture of Rb+ and Cs+ from aqueous solution［J］.Journal of Solid State Chemistry，2022，306：122767. |
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