A plenary lecture presented by Dr. Xu in Fluidization XV, May, 2016, Quebec, Canada.

1) Keynote: 热化学反应研究创新与工程热化学学科, 先进同步辐射技术在能源催化研究中的应用研讨会，上海 (光源), 2021年12月18-20日.

2) Plenary: 生物炭连续制备技术研发与产业化应用，第五届全国生物炭研究与应用研讨会，广州，2021年10月15-17 (报告16日).

3) Plenary：Two-stage Fluidized Bed Process Leading to Breakthrough of Tar Problem for Easy-to-scale-up Biomass Gasification，The 7^th Int. Symposium on Gasification and Its Applications (iSGA-7), Sept. 27-30, 2021, Nancy, France (Virtual presentation).

4) Keynote：工程热化学科学问题与学科交叉，2021年中国化工学会年会及辽宁高端化工产业发展峰会，沈阳，2021年9月25-27日 (报告26日).

5) Keynote：面向双碳战略的最大碳减排潜力及技术路径分析，2021年中国化工学会年会及辽宁高端化工产业发展峰会，沈阳，2021年9月25-27日 (报告26日).

6) Keynote：两步战略与亿吨规模负碳排放途径与技术路线思考，第292期双清论坛“绿色碳科学：双碳目标下的科学基础”，2021年8月29-31日 (30日报告).

7) Plenary：Coal gasification technologies for producing fuel gas in China, in Pre-event of 7th International Symposium on Gasification and its Application (ISGA-7), Mar. 25, 2021, Nancy (Virtual presentation).

8) Plenary：有机危废资源化与安全处置技术，2021年全国有机固废处理与资源化利用高峰论坛，成都，2021年05月16日.

9) Invited：基于热解反应产物定向与作用强化的燃料热转化技术创新及应用，2020年12月19日，中国矿业大学 (徐州). 

10) Plenary：有机危废资源化与安全处置技术思考，黄河流域生态保护与高质量发展论坛，清华启迪能源环境研究院，2020年12月15日，郑州.

11) Keynote：基于热解反应作用强化的燃料气化 / 燃烧技术创新及应用，中国化工学会2020年第二届全国化工过程强化大会，2020年12月6日，南京.

12) Invited：结构化宽温脱硝催化剂及其在工业炉窑烟气净化中的应用，2020年12月6日，江苏大学.

13) Plenary：有机危废资源化利用与安全处置技术发展的思考，中国环境科学学会2020年全国有机固废处理与资源化利用高峰论坛，2020年11月11日，长沙. 

14) Keynote：传承广义流态化思想的持续创新与应用，第十一届学术年会暨海峡两岸颗粒技术研讨会：郭慕孙先生百年学术纪念报告会，厦门，2020年10月24日.  

15) Keynote：结构化宽温脱硝催化剂及其在工业炉窑烟气净化中的应用，2020中国化工学会科技创新大会：过程工程论坛，2020年9月14-16日，北京.

16) Invited：结化学负载浆料直接成型宽温脱硝催化剂及在工业炉窑烟气净化中应用，“一带一路”国际联合能源与环境催化研究中心论坛，2020年9月13日，沈阳师范大学.

17) Lecture: 气固反应分析测试微型流化床法的研究与应用，中国颗粒学会粉体公开课，2020年3月24日.

18) Lecture：煤炭分级转化与分质利用关键技术，2020年启迪控股内部讲座 (视频报告)，2020年2月21日. 

19) Plenary: 分析与应用热裂解的研发及应用进展, 中国化学会第18届全国分析与应用裂解学术会议, 2019年8月18日，郑州.

20) Plenary: 应用型人才培养及能源化学工程专业建设, 能源化学工程专业建设暨工程教育认证研讨会, 2019年6月29日.  

21) Keynote: A definition of micro fluidized bed in terms of in-bed gas back-mixing, Fluidization XVI, May 26-31, 2019, Guilin, China.

22) Plenary: Advanced combustion and gasification technologies of biomass wastes based on reaction decoupling, 2^nd Int. Symp. on Biomass / Waste Energy and Environment, May 23-26, 2019, Tianjin, China. 

23) Plenary: 碳资源利用创新研究的启示思考，第六届全国煤化工青年学者论坛，2019年5月2-5日，乌鲁木齐.

24) Invited visit: 燃料热转化的反应解耦基础与技术研发进展，湘潭大学环境友好与资源高效利用化工新技术湖南省高校2011协同创新中心2018学术委员会，2018年12月13日，湘潭.

25) Invited report: 农工社一体化循环经济关键技术：轻工过程生物质废物能源化利用技术研发与应用，海洋与酿造食品绿色制造与食品安全技术创新论坛，国家固态酿造工程技术研究中心，2018年11月11日，大连.

26) Invited visit: 基于反应解耦的燃料热转化基础与技术研发进展，山西洁净煤技术论坛，中科院山西煤炭化学研究所，2018年11月6日，太原.

27) Invited report：创新推动煤炭分级转化与分质利用技术发展，2018年山东济宁煤炭高效清洁利用高端论坛，2018年7月7日，山东济宁.

28) Invited report：High-efficient clean utilization technologies based on decoupling of pyrolysis for industrial biomass wastes, The 13^th International Conference on Waste Management and Technology, March 22, 2018, Beijing, China.

29) Invited report：煤炭分级转化与分质利用关键技术研发，新疆现代煤化工产业技术创新战略联盟二届二次会议，2018年1月27日，乌鲁木齐.

30) Invited: Development and application of a low-temperature NH₃-SCR catalyst for deNOx of flue gases from industrial coking plants, The 8th China-Japan Symposium on Chemical Engineering, Oct. 14-15, 2017, Beijing, China.  

31) Visiting：Highlight of a Few Commercialized Biomass Thermochemical Conversion Technologies Developed in IPE, Visiting Hirosaki University, Sep. 28, 2017, Aomori, Japan.

32) Plenary report：Insights into fundamentals of pyrolysis in moving bed with internals，UK-China International Particle Technology Forum VI, Sep. 9-10, 2017, Yangzhou, China.  

33) 大会报告：微型流化床基础与应用研究最新进展，第九届全国流态化会议，2017年8月25-27日，银川，宁夏.

34) 大会报告: 微型流化床在气固相热反应分析中的应用，中国化学会第十七届全国分析与应用裂解学术会议，2017年5 月25-26 日，天津，中国.

35) 大会报告：思考煤低温热解及内构件移动床热解技术研发进展，新疆现代煤化工产业技术创新战略联盟2016年年会，2016年12月26-18日，乌鲁木齐，中国.

36) Plenary：Breakthrough of Tar Problem for Fuel Gas Production by Two-stage Gasification Using Fluidization Reactors, in Fifth Int. Symp. on Gasification and Its Applications (iSGA-5), November 30, 2016 in Busan, Korea. 

37) Plenary: A few recent progresses in fluidized bed technology applications for fuel conversion, in Fluidization XV, May, 2016, Quebec, Canada.

38) Keynote: Keys to commercially successful coal pyrolysis for production of coal tar, 21st International Symposium on Analytical & Applied Pyrolysis, May, 2016, Nancy, France.  

39) Keynote: Technology Review and New Development of Oil Shale Pyrolysis for Production of Shale Oil, The 2nd China-United States Symposium on Energy, June, 2015, Beijing, China.  

40) 主题报告: 煤热解分级利用关键技术:内构件移动床热解技术研发与应用, 2015年化工学会年会, 北京, 2015年10月.

41) Visiting：A few Innovative R&Ds in AET Laboratory (2014-2015), Visiting Hirosaki University via JSPS Professorship Visiting Program, Feb. 6, 2015, Aomori, Japan.

42) Visiting：Progress in a few applications of fluidized bed for fuel conversion in IPE, Visiting Faculty of Engineering, Gunma University, via JSPS Professorship Visiting Program, March 5, 2015, Wako, Japan.  

43) Visiting：A few intrinsic factors affecting catalytic performance of Ni/Al2O3 for syngas methanation, Visiting RIKEN (Wako) via JSPS Professorship Visiting Program, Feb. 23, 2015, Kiryu, Japan. 

44) Keynote: Isothermal Differential Analysis of Gas-solid Reaction in Micro Fluidized Bed: From Concept to Practices, 2014 International Workshop on Fluid-particle Systems, June, 2014, Vancouver, Canada.

45) Keynote: Micro Fluidized Bed Reaction Analysis: From Concept to Analyzer and Applications, The 7th World Congress of Particle Technology, May, 2014, Beijing, China.

46) Keynote: Decoupling Combustion Based on Dual Fluidized Bed for Industrial Biomass Waste: Fundamentals and Application, 11th International Conference on Fluidized Bed Technology (CFB-11), May, 2014, Beijing, China.

47) Invited: Breakthrough of Pyrolysis Technology: Making “Pyrolysis + Gasification” beyond “Gasification”, 2014 International Advanced Coal Technology Conference, April, 2014, Brisbane，Australia.

48) Invited: Developing Coal Pyrolysis Process with Internal Recuperation, JST International Workshop: "Innovative Energy Saving Technology for Reduction of Carbon Dioxide Emission from Energy-intensive Industry", July, 2014, Tokyo, Japan.  

49) 邀请报告：突破煤低温热解技术推动煤炭分质利用，2014中国(山西)国际低碳发展高峰论坛，Sep., 2014, Taiyuan, China.

50) 邀请报告：基于内构件调控的煤热解基础与技术，第一届煤化工青年学者论坛，Oct., 2014, Dalian, China.  

51) 邀请报告：Progress on Coal Pyrolysis and Cascaded Utilization in IPE， 2014煤与生物质清洁利用技术国际学术研讨会（CTCBU-2014），Dec., 2014, Anshan, China.  

52) Invited: Efficient Oil and Gas Refining with Oil Shale: Technology Overview and New Development, IEA-MOST Workshop: Advances in Deployment of Fossil Fuel Technologies, June, 2014, Beijing, China.

53) Keynote: Isothermal differential analysis of gas-solid reaction in micro fluidized bed: from concept to practices. 2014 International Workshop on Fluid-particle Systems, June, 2014, Vancouver, Canada.

54) Invited: Innovative two-stage gasification technologies for fuel gas production from smart use of fluidized bed. The 7th World Congress of Particle Technology, May, 2014, Beijing, China.

55) Fully Hosted Invited Lecture: Development of coal pyrolysis process on the basis of exergy recuperation. International Workshop on "Innovative Energy Saving Technology for the Reduction of Carbon Dioxide Emission from Energy-intensive Industry: Vision for Energy Recuperation", July, 2014, Tokyo, Japan.

56) Fully Hosted Invited Visiting Lecture: Syngas methanation for SNG based on fluidized bed reactor: process and catalysts. Invited visit to National Institute of Advanced Industrial Science and Technology (AIST), July, 2014, Tsukuba, Japan. 

57) Registration-Exempted Invited: Progress on pyrolysis combustion of distilled spirit lees in dual fluidized Bed. Workshop on Dual bed fuel conversion: fundamentals and Technologies, 9th World Congress on Chemical Engineering (WCCE9), August, 2013, Soul, Korea.

58) Keynote（分会主题报告）: 基于流化床的燃气制备气化技术研究与应用. 2013年全国流态化会议, September, 2013, Beijing, China.  

59) Registration-Exempted Invited: Insight into fundamentals of coal pyrolysis leading to a technical breakthrough. Frontiers in Chemical Engineering Lecture Series, 63rd Canadian Chemical Engineering Conference, October, 2013, New Brunswick, Canada.  

60) Invited: Pyrolysis technology progress for cascade utilization of coal. 12th CSIRO PCC Day, September, 2013, CSIRO Newcastle, Australia.

61) Invited: Towards applied technologies in IPE for energy and porous carbon production from industrial biomass waste. 2013 Frontier of Green Technology Training Workshop, September, 2013, Beijing, China.

62) Invited: From conception to pilot verification for coal pyrolysis in internal-enhanced fixed bed reactor. 7th Sino-US Joint Conference of Chemical Engineering, October, 2013, Beijing, China.

63) Fully Hosted Invited Visiting Lecture: Overall concern and technology progress about coal pyrolysis for cascade coal utilization in CAS. Invited visit to National Institute of Advanced Industrial Science and Technology (AIST), July, 2013, Tsukuba, Japan.

64) Fully Hosted Invited Lecture: Pyrolysis-based cascade utilization of coal in China: overall technical scheme and pyrolysis technology development progress. 2013 JCG workshop between China and Australia, June, 2013, Hangzhou, China.  

65) Plenary (or Keynote of 62nd Canadian Chemical Engineering Conference): Recent progress in chemical engineering fundamentals for pyrolysis and gasification in dual fluidized bed. 3rd International Conference on Gasification and Its Applications (ISGA-3, combined into 62nd Canadian Chemical Engineering Conference), October, 2012, Vancouver, Canada.

66) Keynote: Pyrolysis-based cascade utilization of coal in China: overall technical scheme and pyrolysis technology development progress. 19th Joint Annual CSCST-SCI Conference. September, 2012, Dreading, UK.

67) keynote（分会主题报告）：微型流化床的流体动力学特性研究及其气固反应分析应用进展. 2012年颗粒学会年会，September, 2012, Hanzhou, China.

68) Invited: 工业生物过程废物材料与能源化利用技术研发. 中国科学院力学所能源研讨会，January, 2012, Beijing, China.

69) Fully Hosted Invited Lecture: Policy and implementation status of energy sustainable supply in China. Smart Energy Strategies Conference 2011, September, 2011, Zurich, Switzerland.

70) Fully Hosted Invited Lecture: Market and technology developments for coal gasification. 2011 Korean Symposium on Gasification, June, 2011, Soul, Korea.

71) Fully Hosted Visiting Lecture: Decoupling thermochemical conversion: approach, fundamentals and application. Ajou University, June, 2011, Soul, Korea.

72) Invited: Dual bed gasification and decoupling combustion for industrial biomass waste rich in cellulose. 2011 China-US Symposium on Biomass Gas Technol. and Application, October, 2011, Beijing, China.  

73) Invited: Utilization of industrial biomass waste for energy and porous carbon material. 8th China-Australia Symposium on Science and Technology, November, 2011, Suzhou, China.  

74) Invited: Gas-solid reaction analysis in micro fluidized bed. 6th Sino-US Joint Conference of Chemical Engineering, November, 2011, Beijing, China.

75) Invited: New development in decoupled conversion of coal/biomass based on fluidized bed. 6th Sino-US Joint Conference of Chemical Engineering, November, 2011, Beijing, China.

76) Keynote: Isothermal and differential characteristics of the reaction in a micro fluidized bed reactor. 2nd Int. Symp. on Gasification and Its Applications (iSGA 2010), December, 2010, Fukuoka, Japan.

77) Keynote: Decoupling Thermochemical conversion of solid fuels: the approach, technologies and development status. Gasification, Syngas and CO₂ Sequestration in 8^th World Congress of Chemical Engineering (WCCE8), August, 2009, Montreal, Canada. 

78) Keynote: Comprehensive utilization of biomass process residues rich in cellulose, International Symposium on Aqua Science, Water Resource and Low Carbon Energy, December, 2009, Sanya, China.

79) Invited：宽活性温度抗硫抗水烟气SCR脱硝催化剂开发. 中国环境科学学会大气环境分会，2009年学术年会十六届大气环境分会, 南京, 中国.

80) Invited: 煤/生物质解耦热化学转化的方法和应用. 清华大学2010年清华大学博士生学术论坛，北京，中国.

81) Invited：煤/生物质利用中的解耦方法及其应用, 中国物理学会2009年秋季学术会议, 2009, 上海, 中国.

82) Keynote（分会主题报告）: 解耦热化学转化：方法、技术与研发现状. 第六届学术年会暨海峡两岸颗粒技术学术研讨会, December, 2008, Shanghai, China.

83) Invited: 解耦热化学转化：煤高值化综合利用的方法与技术. 海内外青年学者过程工程前沿与发展学术研讨会, September, 2008, Beijing, China.

84) Keynote（分会主题报告）: 煤高值化综合利用的解耦热化学转化方法与技术, 第五届全国化学工程与生物化工年会, October, 2008, Xi'an, China.

85) Invited visiting lecture: R&D on thermochemical conversion technologies based on reaction decoupling. Invited Visit to AIST, October, 2007, Tsukuba, Japan.  

86) Fully Hosted Invited Lecture. High-efficiency conversion of cellulosic process residue into middle-caloric gas. Fourth Biomass-Asia Workshop, November, 2007, Kuala Lumpur, Malaysia.

87) Keynote: Value-added comprehensive processing of coal with topping: strategy, technology and progress. Fourth Joint China-Japan Chemical Engineering Symposium. December, 2007, Chengdu, China.

88) Keynote: Dual fluidized bed gasification of high water content biomass: potential technical ways to increase efficiency and eliminate tars. 2006 National Congress of Chinese Society of Particuology, August, 2006, Beijing, China.

89) Invited: Potential technologies to increase efficiency and eliminate tars for dual fluidized bed gasification of high water content biomass. 北京化工大学2006年研究生学术论坛, October, 2006, Beijing, China.

90) 邀请访问报告: 解耦热化学转化：思想方法与典型技术. 中国石油大学（北京）, April, 2007, Beijing, China.

91) 邀请访问报告: Thermochemical Conversion Technologies Based on Reaction Decoupling. 中国计量学院，December, 2007, Hangzhou, China.

 92) 邀请访问报告: A Few CCTs with Innovative Ideas in IPE. 沈阳化工学院, November, 2006, Shenyang,     

        China.