CAJ | 학술논문

对稻壳和稻秸进行了机理性热解试验，并采用TG、SEM、EDS和XDR方法研究和分析了半焦的孔隙结构、结渣特性、氯和硫元素迁移和无机化合物晶相等物化特性的变化规律．结果表明：在500～800℃，生物质热解半焦孔隙结构的变化较大．当热解温度为1000℃时，稻壳半焦的凸面呈现熔融现象，稻秸半焦呈现熔融黏结现象．在800～1000℃，半焦中剩余的氯和硫大部分会析出；在稻壳和稻秸热解过程中，当终温为1000℃时，物相发生较大变化并且出现非晶态的无机化合物．
대도각화도갈진행료궤이성열해시험，병채용TG、SEM、EDS화XDR방법연구화분석료반초적공극결구、결사특성、록화류원소천이화무궤화합물정상등물화특성적변화규률．결과표명：재500～800℃，생물질열해반초공극결구적변화교대．당열해온도위1000℃시，도각반초적철면정현용융현상，도갈반초정현용융점결현상．재800～1000℃，반초중잉여적록화류대부분회석출；재도각화도갈열해과정중，당종온위1000℃시，물상발생교대변화병차출현비정태적무궤화합물．
Mechanism-based pyrolysis experiments were carried out on rice husk and straw, during which physicochemical properties of the char were studied using TG, SEM, EDX and XDR, such as the pore structure, slagging characteristics, migration of chlorine and sulfur, and crystalline phase of the inorganic compound, etc. Results show that the pore structure of biomass char changes a lot at 500-800 ℃. When the pyrolysis temperature gets up to 1 000 ℃, the convex side of rice husk char will appear in melting state, while the straw char in melting and bounding condition. Most remaining of chlorine and sulfur will precipitate from the char at 800-1 000 ℃. The phase changes greatly and amorphous inorganic compound appears at a final pyrolysis temperature of 1 000 ℃ in the process of rice husk and straw pyrolysis.