科学研究：主持重庆市自然科学基金、重庆市教委科学技术研究项目等省部级科研项目3项；主持/主研中石油、中石化、重庆水务集团等横向科研项目30余项（其中主持14项）；累计发表SCI学术论文30余篇（含一作/通讯作者论文20篇），参编外文专著3部，授权发明专利4项。
教研教改：承担《过程系统工程》《化工设计》等本科及研究生课程教学；主持省部级教研教改项目2项、校级项目3项，发表教改论文6篇。指导研究生7名；指导本科生获全国大学生化工设计竞赛（国A）特等奖等学科竞赛荣誉10余项；获全国大学生化工设计竞赛优秀指导教师、中国石油和化工教育教学优秀成果二等奖等荣誉。
代表性学术成果：
1. 部分论文（*为通讯作者）
[1] Xu D*., Tang H., Li H., et al., Techno-economic-environmental assessment of a fully integrated biomass-sludge power system covering gasification, purification, power generation, and waste heat recovery. J. Environ. Chem. Eng., 2026, 14(3): 123040. (TOP期刊)
[2] Tang H., Dong J., Xu D*., et al., Sustainable solutions for co-gasification of sewage sludge and biomass: Insights from Aspen Plus: response surface methodology, and multi-criteria decision-making integration. Environ. Technol. Innov., 2024, 36: 103894. (TOP期刊)
[3] Li W., Ren X., Xu D*., et al. Sustainability assessment of power generation systems under the objective consideration of criteria interactions. J. Clean. Prod., 2023, 395: 136423. (TOP期刊)
[4] Xu D*., Ren J., Dong L., Yang Y. Portfolio selection of renewable energy-powered desalination systems with sustainability perspective: A novel MADM-based framework under data uncertainties. J. Clean. Prod., 2020, 275: 124114. (TOP期刊)
[5] Xu D*., Li W., Ren J., et al. Technology selection for sustainable hydrogen production: A multi-criteria assessment framework under uncertainties based on the combined weights and interval best-worst projection method. Int. J. Hydrogen Energy, 2020, 45: 34396. (TOP期刊)
[6] Xu D*. Sustainability prioritization of energy systems by developing an integrated decision support framework with hybrid-data consideration. Sustain. Energy Technol. Assess., 2020, 39: 100719. (TOP期刊)
[7] Xu D*., Li W., Shen W., et al. Decision-Making for Sustainability Enhancement of Chemical Systems under Uncertainties: Combining the Vector-Based Multiattribute Decision-Making Method with Weighted Multiobjective Optimization Technique. Ind. Eng. Chem. Res., 2019, 58: 12066. (TOP期刊)
[8] Xu D., Lv L., Ren X., et al. Route selection for low-carbon ammonia production: A sustainability prioritization framework based-on the combined weights and projection ranking by similarity to referencing vector method. J. Clean. Prod., 2018, 193: 263. (TOP期刊)
[9] Xu D., Lv L., Dong L., et al. Sustainability Assessment Framework for Chemical Processes Selection under Uncertainties: A Vector-based Algorithm Coupled with Multi-Criteria Decision-Making Approaches. Ind. Eng. Chem. Res., 2018, 57: 7999. (TOP期刊)
[10] Xu D., Lv L., Ren J., et al. Life Cycle Sustainability Assessment of Chemical Processes: A Vector-Based Three-Dimensional Algorithm Coupled with AHP. Ind. Eng. Chem. Res., 2017, 56: 11216. (TOP期刊)
2. 专著
[1] Xu D, Dong L, Ren J. Chapter 2: Introduction of Hydrogen Routines. In: Hydrogen Economy: Supply Chain, Life Cycle Analysis and Energy Transition for Sustainability, Scipioni A, Manzardo A, Ren J (Eds.). Academic Press (Elsevier), 2023. (英文专著章节)
[2] Xu D, Li W, Dong L, et al. Chapter 6: Developing a Composite Energy Security Index for Measuring China’s Integrated Energy Security Performances from 2002 to 2016. In: China’s Energy Security: Analysis, Assessment and Improvement, Ren J (Ed.). World Scientific, 2021. (英文专著章节)
[3] Xu D, Wei L, Dong L. Chapter 11: A composite life cycle sustainability index for sustainability prioritization of industrial systems. In: Life Cycle Sustainability Assessment for Decision-Making, Ren J, Tonioni S (Eds.). Elsevier, 2019. (英文专著章节)
3. 部分科研项目
[1] 重庆市自然科学基金面上项目, 数/模混驱的污泥能源化系统可调变建模及其多目标优化研究, 2023-2026, 主持.
[2] 重庆市教委科学技术研究项目, 混合信息下面向可持续性均衡的能源化工系统决策模型的构建, 2021-2024, 主持.
[3] 重庆市教委科学技术研究项目, 化工系统全生命周期可持续性评价模型的构建, 2019-2021, 主持.
[4] 中石油西南油气田, 氧化吸收尾气处理装置重沸器结垢研究及控制, 2025, 主持.
[5] 中石油西南油气田, 脱硫脱碳溶液健康指标研究, 2025, 主持.
[6] 重庆三峡水务, 粘度导向的污泥脱水智能调控系统研发, 2024, 主持.
[7] 格林嘉科技, 振荡流技术在湿法冶金领域的应用技术开发, 2024, 主持.
[8] 中石油西南油气田, 氧化吸收工艺尾气处理装置重沸器结垢原理研究, 2024, 主持.
[9] 重庆三峡水务, 典型城市污水处理厂碳排放建模及减碳潜力研究, 2022, 主持.
[10] 格林嘉科技, 连续振荡萃取生产技术开发, 2022, 主持.
