温度对废弃生物质热解规律及产物分布的影响

刘鹏; 李学琴; 李艳玲; 孙堂磊; 杨延涛; 雷廷宙

doi:10.19912/j.0254-0096.tynxb.2023-0172

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (7) : 745-750. DOI: 10.19912/j.0254-0096.tynxb.2023-0172

温度对废弃生物质热解规律及产物分布的影响

刘鹏¹, 李学琴^1,2, 李艳玲¹, 孙堂磊¹, 杨延涛¹, 雷廷宙¹

作者信息 +

INFLUENCE OF TEMPERATURE ON PYROLYSIS LAW AND PRODUCT DISTRIBUTION OF WASTE BIOMASS

Liu Peng¹, Li Xueqin^1,2, Li Yanling¹, Sun Tanglei¹, Yang Yantao¹, Lei Tingzhou¹

Author information +

文章历史 +

摘要

为探究有机固体废弃物热解规律及产物分布,以不同原料（木屑、污泥、生活垃圾）为研究对象,利用一级固定床反应系统研究持续升温下不同生物质热解性能的变化规律。结果表明：高温有利于促进生物质热解、提高热解气产率、降低焦油产率,尤其木屑热解受温度变化作用显著;木屑、污泥、生活垃圾经高温热解后焦油所含有机物的分布差异明显,其中木屑热解油中未检测出酸类物质,酚类、醇类物质占比随温度变化明显增加,酮类化合物占比变化不大;进一步通过不同指标论证了生物质热解制备高值燃气的可行性,得出生物质高温热解气具有很好的协同作用和良好的应用前景,是生物质高值化利用的重要方向,也是绿氢产生的重要途径。

Abstract

In order to explore the pyrolysis law and product distribution of waste biomass, take in different materials （pine, sludge and domestic garbage） as the research object, the change law of pyrolysis performance of different biomass under continuous heating was studied by using first-order fixed-bed reaction system. The results show that high temperature promoted the pyrolysis of biomass, increased the yield of pyrolysis gas and reduced the tar yield. Especially, the pyrolysis process of pine was significantly affected by the change of temperature. After high temperature pyrolysis, the tar compound distribution of pine, sludge and domestic garbage had obviously different, in which there was no acid in the pyrolysis oil of pine. The proportion of phenols and alcohols increased significantly, while the proportion of ketones changed little. Furthermore, the feasibility of preparing high value gas by biomass pyrolysis was demonstrated through different indexes. It is concluded that biomass pyrolysis gas has good synergism and good application prospect, which is an important direction of high value utilization of biomass and an important way to produce green hydrogen. It lays a solid foundation for the preparation and utilization of hydrogen rich-gas by catalytic pyrolysis of biomass.

导出引用

刘鹏, 李学琴, 李艳玲, 孙堂磊, 杨延涛, 雷廷宙. 温度对废弃生物质热解规律及产物分布的影响[J]. 太阳能学报. 2024, 45(7): 745-750 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0172

Liu Peng, Li Xueqin, Li Yanling, Sun Tanglei, Yang Yantao, Lei Tingzhou. INFLUENCE OF TEMPERATURE ON PYROLYSIS LAW AND PRODUCT DISTRIBUTION OF WASTE BIOMASS[J]. Acta Energiae Solaris Sinica. 2024, 45(7): 745-750 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0172

中图分类号： TK6

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