期刊论文

Effects of heteropolyacids on the heat/smoke release behavior during poplar wood combustion

Yuan, L.

中文

功能材料

1001-9731

2018

49

10

10108-10116

10.3969/j.issn.1001-9731.2018.10.019

国家自然科学基金资助项目(31670563) 国家林业局林业科学技术研究资助项目(2017-3) 长沙市科技计划资助项目(Kq1706075) 湖南省科技计划资助项目(2016NK2160)。

本校为第一且通讯机构

对比经H_3PMo_(12)O_(40)(PMA)、H_3PW_(12)O_(40)(PTA)、H_3SiW_(12)O_(40)(TSA)等杂多酸浸渍的杨木粉的热解过程和热、烟释放特性参数,探究杂多酸对杨木热解过程的影响及其作用机制.利用热重分析仪(TGA)、锥形量热仪(CONE)研究3种杂多酸对杨木粉热解TG、DTG曲线、热释放速率(HRR)、总热释放速率(THR)、生烟速率(SPR)和总烟释放量(TSP)等参数的影响;并采用FT-IR红外光谱和拉曼光谱表征高温残炭的结构.TGA结果表明,3种杂多酸均可有效降低杨木热解的Ti、T_(max)、R_(max)并提高CR740℃,其中,S-wood/PMA具有最低的最大热失重温度(T_(max))及最大热失重速率(R_(max))较S-wood分别降低了17.5%和23.3...

In this paper, the effects of heteropolyacids on pyrolysis process of poplar powder and its mechanism were studied by comparing the pyrolysis process and characteristic parameters of heat and smoke release of poplar powder treated with H 3 PMo 12 O 40 (PMA), H 3 PW 12 O 40 (PTA) and H 3 SiW 12 O 40 (TSA). The TG and DTG curves of samples were determined by thermogravimetric analyzer. And the heat release rate(HRR), total heat release(THR), smoke produce release (SPR) and total smoke produce (TSP) were measured by cone calorimetry (CONE). Beside...