正在主持国家自然科学基金面上项目， “863”前沿探索项目、中-瑞国际合作、环保公益行业专项等多项课题，是国家自然科学基金海外青年学者合作基金的国内合作人。曾获国家科技进步二等奖2项，北京市科技进步奖2项，获北京市科技新星称号。发表SCI收录论文60余篇；合作出版中文专著2本；申请专利23项，获授权发明专利10项。

水处理的原理和方法，主要从事吸附、凝聚、电化学净水原理与高效技术研究。

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, Beno？t 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