期刊论文

Luo, W;Zhou, Z

英文

Energy

0360-5442

2025

316

134636

10.1016/j.energy.2025.134636

National Natural Science Foundation of China [51974123]; Key R & D Projects in Hunan Province [2021SK2047]; Natural Science Foundation of Hunan Province, China [2023JJ40307]; Earmarked fund for China Agriculture Research System [CARS-01-27]; science and technology innovation Program of Hunan Province [2022WZ1022]; National Center of Technology Innovation for Saline-Alkali Tolerant Rice Functional Improvement Project [2022PT1005]; Research on resource utilization and environmental pollution control of rural organic solid waste [HYYC2023KJ31]; Study and demonstration of tobacco field waste Resource utilization in Hengyang Area [HYYC2023KJ31]; Study and application of nitrogen controlled release for tobacco based on porous adsorption and novel coating [CS2022KJ01]; Hunan Engineering Research Center for Biochar, Hunan Optical Agriculture Engineering Technology Research Center [2018TP2003]; [22406052]; [2022NK2044]

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Biochar is rich in nutrients and can be used as a soil amendment. This study analyses the migration path of nutritional elements(N/P/K) from biomass to pyrolysis products based on the synergistic pyrolysis of rice straw and chili straw under N 2 and CO 2 . Biochar's structure and nutrient elements were characterized and analyzed by infrared spectroscopy, elemental analysis, and X-ray photoelectron spectroscopy. The results showed that the N content of biochar decreased significantly in both pyrolysis atmospheres, and a large amount of volatiliz...