N-desorption or NH3 generation of TiO2-loaded Al-based nitrogen carrier during chemical looping ammonia generation technology |
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| Authors: | Yuan Gao Ye Wu Quan Zhang Xiaoping Chen Guodong Jiang Dong Liu |
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| Affiliation: | 1. MIIT Key Laboratory of Thermal Control of Electronic Equipment, School of Power Engineering, Nanjing University of Science & Technology, Jiangsu, 210094, China;2. Advanced Combustion Laboratory, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu, China;3. Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing, 210096, Jiangsu, China;4. College of Materials Science and Engineering, Nanjing Technology University, Nanjing, 210009, Jiangsu, China |
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| Abstract: | As a terrific hydrogen carrier, NH3 can be wildly used as non-carbon gas fuel in energy area, because NH3 can store a high density of H2 and can be liquefied easily in ambient temperature and pressure. Chemical Looping Ammonia Generation (CLAG) is known to be a novel, efficient and environmentally friendly synthesis method for ammonia, in which the N-sorption/desorption of nitrogen carrier are included. The N-sorption step, which is known as the carbothermal reduction, is well studied while there are few reports on N-desorption step. Therefore, in this paper, stationary bed reactor and thermo-gravimetric analyzer (TGA) were used to study the N-desorption performance of the TiO2-loaded Al-based N-carrier and the corresponding NH3 generation during the N-desorption reaction. The results showed that, TiO2 performed a good catalytic effect on the N-desorption reaction, which is due to the good dissociative adsorption performance of H2O on TiO2 surface, and the released hydroxyl (OH | |
| Keywords: | Chemical looping ammonia generation (CLAG) N-desorption reaction |
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