磷酸二氢铵对杨木热裂解特性影响研究

陈孟; 庞赟佶; 吴美凤; 陈义胜; 王丽

doi:10.19912/j.0254-0096.tynxb.2023-1279

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (12) : 444-451. DOI: 10.19912/j.0254-0096.tynxb.2023-1279

磷酸二氢铵对杨木热裂解特性影响研究

陈孟, 庞赟佶, 吴美凤, 陈义胜, 王丽

作者信息 +

EFFECT OF AMMONIUM DIHYDROGEN PHOSPHATE ON PYROLYSIS CHARACTERISTICS OF POPLAR

Chen Meng, Pang Yunji, Wu Meifeng, Chen Yisheng, Wang Li

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摘要

为探究磷酸二氢铵（MAP）对杨木及其杨木衍生炭热解产物品质的影响,揭示MAP呈现的对杨木提质和催化焦油裂解的因素。选取不同浓度的MAP浸渍液原位浸渍负载至杨木中进行低温炭化和衍生炭热解试验。研究不同MAP浓度对杨木炭化三相产率、生物炭热值和能量产率的影响规律,考察添加MAP后的衍生炭热解相对于原料直接热解的催化裂解现象。结果表明：低温炭化结合MAP的添加对杨木热解炭的增加和焦油的减少有协同作用,热解温度为500 ℃时,相较于未添加衍生炭,添加1.975% MAP衍生炭的焦油组分中酚类产物降低19.8%,甲苯类产物降低5.38%。

Abstract

To investigate the effect of ammonium dihydrogen phosphate （MAP） on the quality of pyrolysis products of poplar and its derived charcoal, revealing the factors presented by MAP for improving poplar quality and catalytic tar cracking. Select MAP impregnation solutions of different concentrations for in-situ impregnation loading into poplar for low-temperature carbonization and derived carbon pyrolysis experiments. Study the influence of different MAP concentrations on the three-phase yield, biochar calorific value, and energy yield of poplar carbonization. Investigate the catalytic cracking phenomenon of derivative carbon pyrolysis with the addition of MAP compared with the direct pyrolysis of raw materials. The results indicate that low-temperature carbonization combined with the addition of MAP has a synergistic effect on the increase of poplar pyrolysis char and the decrease of tar, When the pyrolysis temperature is 500 ℃, Compared to the absence of derivative carbon, the addition of 1.975% MAP derivative carbon results in a 19.8% decrease in phenolic products and a 5.38% decrease in toluene products in the tar component. This study can provide a basis for the preparation and application of high-quality and relatively clean derived carbons.

导出引用

陈孟, 庞赟佶, 吴美凤, 陈义胜, 王丽. 磷酸二氢铵对杨木热裂解特性影响研究[J]. 太阳能学报. 2024, 45(12): 444-451 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1279

Chen Meng, Pang Yunji, Wu Meifeng, Chen Yisheng, Wang Li. EFFECT OF AMMONIUM DIHYDROGEN PHOSPHATE ON PYROLYSIS CHARACTERISTICS OF POPLAR[J]. Acta Energiae Solaris Sinica. 2024, 45(12): 444-451 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1279

中图分类号： X712

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