油页岩中干酪根催化热分解特性及动力学研究

As the most promising alternative for conventional oil and gas resources, the exploitation of shale oil and gas is greatly hindered by the absence of highly efficient retorting techniques, even ground retorting technology has been used for decades. Aim to reduce pyrolysis temperature and increase the quality of shale oil and gas, we are going to investigate the reaction kinetics and mechanism of catalytic pyrolysis of oil shale. Based on inorganic mineral properties of the oil shale, we are going to develop the in-situ chemical modification and exogenous catalysts loading strategies into the internal inorganic mineral. Moreover, in this project we will demonstrate the intrinsic mechanism and kinetics of pyrolysis of kerogen in the presence of catalysts, study the relationship between inorganic mineral composition, structure and microstructure, different catalysts with the decomposition temperature, product composition. The project is of great significance for surface retorting and in-situ underground pyrolysis of oil shale, and it will greatly benefit the economic and efficient use of oil shale by providing fundamental theory and technology.

油页岩作为一种最有希望的常规油气资源的替代能源，现有地面干馏等技术极大的限制了页岩油、气的开发利用。本项目以降低油页岩热解温度，提高页岩油、气质量为目标，开展油页岩催化热解反应机制和反应动力学规律研究。从油页岩无机矿物骨架特性出发，利用原位化学改性的策略，探索无机矿物骨架改性及外源催化剂负载的方法，揭示无机矿物的组成、微观结构及不同催化剂对油页岩中干酪根热分解温度、产物组成等的影响规律，探索干酪根催化热解的内在机理和反应动力学。本项目关于油页岩催化热解实验及机制研究，对油页岩地表干馏和地下原位开采都具有重要的意义，能够为经济、高效地油页岩开发利用提供理论及数据支持。

油页岩作为一种最有希望的常规油气资源的替代能源，现有地面干馏等技术极大的限制了页岩油、气的开发利用。本项目以降低油页岩热解温度，提高页岩油、气质量为目标，从油页岩无机矿物骨架特性出发，揭示无机矿物的组成、微观结构及催化剂对油页岩中干酪根热分解温度、产物组成等的影响规律。本项目对四个地区的油页岩进行了详细的组成分析及热解特性研究；对油页岩有氧热解半焦的导热性能、残余碳含量、孔隙结构等进行了测试，尝试建立性能与结构间的联系；利用热失重和灰色关联分析研究了油页岩热解特性和动力学，总结了颗粒尺寸、加热速率、样品质量等因素对页岩油气释放速率和平均活化能之间的关系；研究了五种不同催化剂对油页岩有机质热解影响规律。本项目取得的系列研究成果能够为油页岩地下原位热解技术提供理论依据，从而发展低能耗油页岩原位开发途径。