中国科学院“百人计划”入选者。现任水污染控制实验室主任，兼任住房与城乡建设部农村污水处理技术北方研究中心主任、中国土木工程学会水工业分会工业给水排水委员会副主任委员、《环境工程学报》主编等学术职务。1982年毕业于哈尔滨建筑工程学院给水排水工程专业，1999年之前工作在哈尔滨建筑大学，期间，1994至1996年和1998至1999年先后两次在荷兰应用科学研究院环境科学研究所(TNO-MEP)高级访问学者和参加国际合作项目。1999年入选中国科学院'百人计划'，进入生态环境研究中心工作。主要从事水污染控制过程中污染物迁移转化机制与关键调控技术研究及应用，主持国家自然科学基金重点项目、国家“水专项”课题、国家科技支撑计划课题、中国科学院重要方向项目等多项课题。在国内外学术刊物发表论文220余篇；主编《村庄整治技术手册--排水设施与污水处理》，组织编制我国东北、华北、西北、东南、中南、西南地区《农村生活污水处理技术指南》，编写《村庄污水处理案例集》、《村庄污水处理设施技术规程》(CJJ/T163-2011)、《户用生活污水处理装置》(CJ/T 441-2013)、《城市面源污染的控制原理与技术》等；获授权发明专利55项，计算机软件著作登记1件。

2. Ruina Zhang, Lin Li, Junxin Liu*.Synthesis and characterization of ferric tannate as a novel porous adsorptive-catalyst for nitrogen removal from wastewater[J].RSC Advances 2015. 5：40785-40791

3. Xu Wang*, Perry L. McCarty, Junxin Liu*, Nan-Qi Ren, Duu-Jong Lee, Han-Qing Yu, Yi Qian, and Jiuhui Qu. Probabilistic evaluation of integrating resourcerecovery into wastewater treatment to improveenvironmental sustainability[J]. PNAS. 2015.112(5)：1630-1635

4. Meiyan Li, Benyi Xiao, Xu Wang, Junxin Liu*. Consequences of sludge composition on combustion performance derived from thermogravimetry analysis[J]. Waste Management, 2015, 35(1): 141-147.

5. Benyi Xiao, Yunping Han, Xin Liu, Junxin Liu*. Relationship of methaneand electricity production in two-chamber microbial fuel cell using sewage sludge as substrate [J]. International Journal of Hydrogen Energy, 2014, 39:16419-16425

6. Lin Li, Yunping Han, Xu Yan, Junxin Liu*. H2S removal and bacterial structure along a full-scale biofilter bedpacked with polyurethane foam in a landfill site[J].Bioresource Technology,2013, 147: 52–58

7. Juan ZOU, Xuesong GUO, Yunping HAN, Junxin LIU*, Hanwen LIANG.Study of a novel vertical flow constructed wetland system with drop-aeration for rural wastewater treatment[J].Water, Air, & Soil Pollution 2012, 223(2): 889-900

8. Lin Li,Jing Lian, Yunping Han, Junxin Liu*.A biofilter integrated with gas membrane separation unit for the treatment of fluctuating styrene loads[J]. Bioresource Technology2012, 111: 76-83

9. Xin Zhou, Xuesong Guo, Yunping Han, Junxin Liu*, Jincheng Ren, Yu Wang, Yantao Guo.Enhancing nitrogen removal in an Orbal oxidation ditch by optimization of oxygen supply: Practice in a full-scale municipal wastewater treatment plant[J]. Bioprocess and Biosystems Engineering 2012, 35(7): 1097-1105

10. Xu Wang, Junxin Liu*, Nan-Qi Ren, Han-Qing Yu, Duu-Jong Lee,and Xuesong Guo. Assessment of Multiple Sustainability Demands for Wastewater Treatment Alternatives: A Refined Evaluation Scheme and Case Study[J]. Environmental Science & Technology, 2012,46(10):5542–5549

11. Lin Li, Yunping Han,Junxin Liu*.Performance and Bacterial Community Diversity of a Full-Scale Biofilter Treating Leachate Odor in a Sanitary Landfill Site[J].Water, Air, & Soil Pollution,2012, 223(9):5599–5611

12. Lin Li, Min Gao, Junxin Liu*. Distribution characterrization of microbial aerosolsemitted from a wastewater treatment plant using theOrbal oxidation ditchprocess[J]. Process Biochemistry. 2011, 46(4): 910–915

13. Benyi Xiao, Fang Yang, JunxinLiu*. Enhancing simultaneous electricity production and reduction of sewage sludge intwo-chamber MFC by aerobic sludge digestion and sludge pretreatments[J].JournalofHazardousMaterials, 2011, 189(1-2): 444–449

14. Hanwen LIANG, Min GAO, Junxin LIU*, Yuansong WEI,Xuesong GUO.A novel integrated step-feed biofilm process for the treatment of decentralized domestic wastewater in rural areas of China[J].Journal of Environmental Sciences,2010, 22(3):321-327.

15. Benyi Xiao, Yunping Han, Junxin Liu*.Evaluation of biohydrogen production from glucose and protein at neutral initial pH[J].International Journal of Hydrogen Energy. 2010, 35(12):6152-6160.

16. Zhu Liang, Junxin Liu*, Jing Li. Decomposition and mineralization of aquatic humic substances (AHS) in treating landfill leachate using the Anammox process[J].Chemosphere, 2009, 74(10): 1315–1320.

17. Jing LIAN, Junxin LIU*, Yuansong WEI. Fate of nonylphenol polyethoxylates and their metabolites in four Beijing wastewater treatment plants[J].Science of the Total Environment, 2009, 407(14):4261-4268

18. Zhu Liang, Junxin Liu*.Landfill leachate treatment with a novel process: Anaerobic ammonium oxidation (Anammox) combined with soil infiltration system[J].Journal of Hazardous Materials. 2008, 151(1): 202-212.

19. Tinggang Li, Junxin Liu, Renbi Bai and F.S.Wong, Membrane-aerated biofilm reactor for the treatment of acetonitrile wastewater[J].Environ. Sci. Technol., 2008, 42(6): 2099–2104.

20. Lin Li, Chao Yang, Wensheng Lan, Shan Xie, Chuanling Qiao, Junxin Liu*. Removal of Methyl Parathion from Artificial Off-gas Using a Bioreactor Containing a Constructed Microbial Consortium[J].Environ. Sci. Technol., 2008, 42(6): 2136–2141.

21. Lin Li, Changbin Zhang, Hong He, Junxin Liu*. An integratedsystem of biological andcatalyticoxidation for the removalofo-xylenefromexhaust. [J]. Catalysis Today 2007, 126: 338-344

22. Mulin CAI, Junxin LIU* and Yuansong WEI. Enhanced Biohydrogen Production from Sewage Sludge with Alkaline Pretreatment[J]. Environmental Science & Technology. 2004, 38(11): 3195-3202.

23.刘俊新、王旭.城市污水处理的多目标管理，给水排水，2015，41（9）：1-3

24.闫旭、韩云平、刘俊新*. A2O工艺中N2O的产生与逸散特征[J].环境工程学报.2014，8 (2): 592-598

25. 韩昌福，刘俊新*，梁瀚文，郭雪松.利用太阳能驱动的一体化氧化沟的运行方式研究[J].环境工程学报.2013，7 (6): 2001-2005.