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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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毛竹酶解/温和酸水解木质素的快速热解研究
, PP. 42-47
Keywords: 木质素,热裂解,酚类化合物,毛竹,热解气质联用
Abstract:
？采用热裂解-气相色谱/质谱仪联用技术,研究毛竹酶解/温和酸水解木质素(简称emal)的热解特性和热解产物的分布与形成规律.以温度为重要因素,研究其对木质素快速热裂解产物的影响,并通过主要的热解产物推断热解反应途径.研究结果表明,emal的热解产物主要是2,3-二氢苯并呋喃、酚类、脂类和少量乙酸.热解温度对热解产物组分的相对含量有显著影响,250~400℃时,产物主要是2,3-二氢苯并呋喃,320℃时其相对含量最高,达到66.26%;400~800℃时,热解产物主要是酚类,600℃时其相对含量最高,达到62.58%;800℃时出现了少量的乙酸.
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