正在主持國家自然科學基金面上項目， “863”前沿探索項目、中-瑞國際合作、環保公益行業專項等多項課題，是國家自然科學基金海外青年學者合作基金的國內合作人。曾獲國家科技進步二等獎2項，北京市科技進步獎2項，獲北京市科技新星稱號。發表SCI收錄論文60余篇；合作出版中文專著2本；申請專利23項，獲授權發明專利10項。

水處理的原理和方法，主要從事吸附、凝聚、電化學凈水原理與高效技術研究。

　　1. Yu, W. Z.; Liu, H. J.; Liu, T.; Liu, R. P.; Qu, J. H.* Comparison of submerged coagulation and traditional coagulation on membrane fouling. Effect of active flocs. Desalination, 2013, 309: 11-17 

　　2. Lv Jianbo, Huijuan Liu *, Liu Ruiipng, et al. Adsorptive removal of phosphate by a nanostructured Fe-Al-Mn trimetal oxide adsorbent. Powder Technology, 2013, 233: 146-154. 

　　3. Ruiping Liu, Lihua Sun, Ran Ju, Huijuan Liu*, Junnong Gu, Guibai Li. Treatment of low-turbidity source water by permanganate pre-oxidation: In situ formed hydrous manganese dioxide as filter aid. Separation and Purification Technology, 2013, doi.org/10.1016/j.seppur.2013.04.007 

　　4. Yu Wenzheng, Liu Huijuan*, Liu Ting, Liu Ruiping, Qu Jiuhui*. Comparison of submerged coagulation and traditional coagulation on membrane fouling: Effect of active flocs. Desalination, 2013, 309: 11–17 

　　5. Huijuan Liu, Ruiping Liu, Chuan Tian, Han Jiang, Xiaoling Liu, Ran Zhang, Jiuhui Qu*. Removal of natural organic matter for controlling disinfection by-products formation by enhanced coagulation: A case study. Separation and Purification Technology, 2012, 84: 41–45  

　　6. Chengzhi Hu, Huijuan Liu *, Guixia Chen, Jefferson A. William, and Qu Jiuhui. As(III) Oxidation by Active Chlorine and Subsequent Removal of As(V) by Al13 Polymer Coagulation Using a Novel Dual Function Reagent. Environ. Sci. Technol., 2012, 46(12): 6776–6782 

　　7. Huijuan Liu, Jianbo Guo, Jiuhui Qu, Jing Lian, Yankai Guo, William Jefferson, Jingliang Yang, Biological catalyzed denitrification by a functional electropolymerization biocarrier modified by redox mediator, Bioresource Technology, 2012, 107: 144-150 

　　8. Beat Müller, Michael Berg, Benoît Pernet-Coudrier, Weixiao Qi, Huijuan Liu. The geochemistry of the Yangtze River: Seasonality of concentrations and temporal trends of chemical loads. Global Biogeochemical Cycles, 2012, 26: 45-60 

　　9. Gaosheng Zhang, Huijuan Liu*, Jiuhui Qu, William Jefferson. Arsenate uptake and arsenite simultaneous sorption and oxidation by Fe–Mn binary oxides: Influence of Mn/Fe ratio, pH, Ca²⁺, and humic acid. Journal of Colloid and Interface Science, 2012, 366: 141-146