學術帶頭人：徐志高  教授

團隊成員：徐志高  陳英明  曹艷敏  劉振宇  嚴翼  何正艷  吳明  瞿軍

課題組簡介：

本課題組主要從事稀土和稀有金屬提取分離及礦冶廢棄物資源化利用與無害化處理的相關研究，主持了多項國家自然科學基金云南聯合基金重點項目、面上項目、青年基金和湖北省自然科學基金等國家與省部級項目，參與了企業相關的技術改造和研發。課題組目前具有高級職稱的技術人員2名，中級職稱的技術人員6名，熱忱歡迎海內外礦產資源開發利用領域的高校、企業和科研院所的專家學者來本課題組訪問、交流與合作！

主要研究方向：

● 稀有稀土金屬濕法冶金：（1）風化殼淋積型稀土礦（離子吸附型稀土礦）提取分離；（2）原子能級鋯鉿萃取分離。

● 利用遙感技術對資源進行監測與評價：（1）水資源監測；（2）植被監測；（3）土壤環境監測。

● 淡水生態及水體修復參考環境建立：（1）湖泊及泥炭地搖蚊現代生態學及古生態學研究；（2）基于水生生物亞化石的長江中游地區富營養化湖泊修復參考環境的建立

● 礦冶廢棄物資源化利用和無害化處理：（1）功能礦物材料開發；（1）含重金屬礦冶廢棄物資源化利用和無害化處理。

近期主持的主要項目：

[1] 國家自然科學基金云南聯合基金重點支持項目，云南省厚風化殼淋積型稀土礦競爭吸附與脫附機制（U2002215）；

[2] 國家自然科學基金面上項目，長江中游亞高山泥炭地全新世搖蚊記錄與古水位及pH定量重建（41877428）

[3] 國家自然科學基金重點項目課題，風化殼淋積型稀土礦原地浸出傳質過程強化（51734001）；

[4] 國家自然科學基金面上項目，Cyanex572硝酸體系萃取分離鋯鉿的機理研究（51774344）；

[5] 教育部新世紀優秀人才支持計劃項目，DIBK與含磷協萃劑的鋯鉿萃合物結構與萃取性能研究（NCET-13-0941）；

[6] 國家自然科學基金面上項目，DIBK-含磷萃取劑體系對鋯鉿的協同萃取機理研究（51374158）；

[7] 國家自然科學基金面上項目，二異丁基酮（DIBK）萃取分離鋯鉿的機理研究（51174146）；

[8] 國家自然科學基金青年項目，機械力化學反應場中鈣系類水滑石(Ca-LDH)固相成礦機理研究（51904358）；

[9] 國家自然科學基金青年項目，漢江中下游河谷平原土地沙化空間格局動態監測及防治區劃研究（41901235）；

[10] 國家自然科學基金青年項目，長江中游典型湖泊生態修復參考目標及其生態環境演化研究（41402307）。

近期主要成果：

（1）學術論文：

[1]Yonghao Tan, Lin Sha, Jun Qu?, Jinqi Jiang, Jie Ren, Chenjie Wu, Zhigao Xu?. Oleic acid as grinding aid and surface antioxidant for ultrafine zirconium hydride particle preparation [J]. Applied Surface Science, 2020, https://doi.org/10.1016/j.apsusc.

2020.147688

[2] Yanmin Cao*, Zijie Zheng, Xuan Luo, et al. Staining of subfossil chironomid head capsules: a method for improving the extraction process from lake sediments and peat. Hydrobiologia, 2021, https://doi.org/10.1007/s10750-020-04469-7.

[3]Yonghao Tan, Zhemin Zou, Jun Qu*, Jie Ren , Chenjie Wu , Zhigao Xu*. Mechanochemical conversion of chrysotile asbestos tailing into struvite for full elements utilization as citric-acid soluble fertilizer [J]. Journal of Cleaner Production, 2021, 283(124637):1-10

[4]Tan Yonghao, Sha Lin, Yu Nengkui, Yang Zhengshuo, Qu Jun*, Xu Zhigao*. Mechanochemical approach to synthesize citric acid-soluble fertilizer of dittmarite (NH4MgPO4·H2O) from talc/NH4H2PO4 mixture [J]. RSC Advances, 2020, 10, 17686-17693

[5]Lin Sha, Zhemin Zou, Jun Qu*, Xinfei Li, Yiyi Huang, Chenjie Wu, Zhigao Xu*. As(III) removal from aqueous solution by katoite (Ca3Al2(OH)12) [J]. Chemosphere, 2020, 260:127555

[6]Nie Wenrui, Zhang Rong, He Zhengyan, Zhou Jie, Wu Ming, Xu Zhigao*, Chi Ruan*, Yang Huifang. Research progress on leaching technology and theory of weathered crust elution-deposited rare earth ore [J]. Hydrometallurgy, 2020, 193:1-11

[7] Yanmin Cao*, Peter G. Langdon, Xu Chen, et al. Regime shifts in shallow lake ecosystems along an urban-rural gradient in central China. Science of the Total Environment, 2020, 733, 139309l

[8]Jun Qu, Lin Sha, Zhigao Xu*, Zhengyan He, Ming Wu, Chenjie Wu, Qiwu Zhang*. Calcium chloride addition to overcome the barriers for synthesizing new Ca-Ti layered double hydroxide by mechanochemistry [J]. Applied Clay Science, 2019,173:29-34

[9]Ming Wu, Hongyang He, Fei Xu, Zhigao Xu*, Wenjie Zhang, Zhengyan He, Jun Qu, Ruan Chi, Lingyun Huang. High-efficient and selective extraction of Hf over Zr with DIBK-P350 synergistic extraction system [J]. Separation and Purification Technology, 2019, 212:255-261

[10]Zhengyan He, Rong Zhang, Wenrui Nie, Zhenyue Zhang, Ruan Chi, Zhigao Xu*, Ming Wu, Jun Qu. Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore [J]. Mining, Metallurgy & Exploration, 2019, 36(5):1021–1031

[11] Yanmin Cao*, Peter G. Langdon, Yi Yan, et al. Chironomid communities from subalpine peatlands in subtropical China as indicators of environmental change. Journal of Paleolimnology, 2019, 62, 165-179.

[12]Zhigao Xu*, Jun Zhao, Ming Wu, Wenjie Zhang, Zhengyan He, Ruan Chi, Xiaohui Huang. Extraction kinetics and mechanism of Zr and Hf by DIBK-TOPO system using Lewis Cell [J]. Separation Science and Technology, 2018, 53(15):2418-2426

[13] Ming Wu, Jiaqing Peng, Guoqing Yan, Yang Chen, Zhenyan He, Zhigao Xu*, Lijun Wang. Preparation and properties of composite hydrogen permeation barrier on ZrH1.8 by sol–gel technique [J]. Surface & Coatings Technology, 2018, 352:159-165

[14] Zhengyan He, Zhenyue Zhang, Ruan Chi, Zhigao Xu*, Junxia Yu, Ming Wu, Ruyu Bai. Leaching hydrodynamics of weathered elution-deposited rare earth ore with ammonium salts solution[J]. Journal of Rare Earths, 2017, 35(8):824-830

[15] Yanmin Cao, Xu Chen*, Zhaojun Bu, et al. Spatial variations in the surface water chemistry of subtropical peatlands (central China) linked to anthropogenic pressures, Water, 2017, 9, 505

[16] Zhigao Xu*, Lijun Wang, Ming Wu, Yuanlai Xu, Ruan Chi*, Panhong Li, Jun Zhao. Separation of zirconium and hafnium by solvent extraction using mixture of DIBK and P204 [J]. Hydrometallurgy, 2016, 165(2):275-281

[17] Zhigao Xu*, Jun Zhao, Lijun Wang, Yuanlai Xu, Ruan Chi, Panhong Li, Xin Jin. Kinetics for extraction of zirconium and hafnium in DIBK-P350 system [J]. Journal of Radioanalytical and Nuclear Chemistry, 2016, 309(2):701-707

[18] Zhengyan He, Zhenyue Zhang, Junxia Yu, Fang Zhou, Yuanlai Xu, Zhigao Xu, Zhe Chen, Ruan Chi*. Kinetics of column leaching of rare earth and aluminum from weathered crust elution-deposited rare earth ore with ammonium salt solutions [J]. Hydrometallurgy, 2016, 163:33-39

[19] Zhengyan He, Zhenyue Zhang, Junxia Yu, Zhigao Xu, Yuanlai Xu, Fang Zhou, Ruan Chi*. Column leaching process of rare earth and aluminum from weathered crust elution-deposited rare earth ore with ammonium salt [J]. Transactions of Nonferrous Metals Society of China, 2016, 26(11):3024-3033

[20] Zhengyan He, Zhenyue Zhang, Junxia Yu, Zhigao Xu, Ruan Chi*. Process optimization of rare earth and aluminum leaching from weathered crust elution-deposited rare earth ore with compound ammonium salts [J]. Journal of Rare Earths, 2016, 34(4):413-419

[21] Zhenyue Zhang, Zhengyan He, Junxia Yu, Zhigao Xu, Ruan Chi*. Novel solution injection technology for in-situ leaching of weathered crust elution-deposited rare earth ores [J]. Hydrometallurgy, 2016, 164:248-256

[22] Yanmin Cao, Enlou Zhang*, Hongqu Tang*, et al. Combined effects of nutrients and trace metals on chironomid composition and morphology in a heavily polluted lake in central china since the early 20th century, Hydrobiologia, 2016, 779(1), 147-159

（2）授權發明專利：

[1] 徐志高, 何正艷, 張蓉, 吳明, 聶文蕊. 風化殼淋積型稀土礦強化浸出的復合浸取劑, 中國發明專利, ZL201811080963.1, 授權日期：2020-12-22

[2] 何正艷, 張蓉, 聶文蕊, 徐志高, 吳明, 瞿軍, 沙傲陽. 一種風化殼淋積型稀土礦的浸礦方法及稀土產品,中國發明專利, ZL201910169818.9, 授權日期：2020-10-30

[3] 曹艷敏，鄭子杰，駱萱，楊佳，潘鈺琛，汪康，張周. 用于分離搖蚊頭殼亞化石的染色劑及其染色方法，國家發明專利, ZL201810972553.1，授權日期：2020-11-27

[4] 池汝安, 何正艷, 張臻悅, 徐志高. 一種風化殼淋積型稀土礦原地浸出收液方法[P]. 中國發明專利, ZL201510145750.2, 2017-05-03

[5] 池汝安, 徐志高, 何正艷. 一種風化殼淋積型稀土礦殘余液回收稀土的方法[P]. 中國發明專利, ZL201310513812.1, 2016-01-06