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HZSM-5催化条件下反应温度对热解油品质影响规律
引用本文:李萍,王丽红,司慧,王一青. HZSM-5催化条件下反应温度对热解油品质影响规律[J]. 化工进展, 2018, 37(9): 3379-3385. DOI: 10.16085/j.issn.1000-6613.2017-1964
作者姓名:李萍  王丽红  司慧  王一青
作者单位:1.北京林业大学工学院, 北京 100083;2.山东理工大学山东省清洁能源工程技术研究中心, 山东 淄博 255091
基金项目:北京市科技计划(Z161100001316004)及国家自然科学基金青年项目(51406109)。
摘    要:在酸性分子筛HZSM-5催化条件下,以玉米秸秆粉为原料,考察了反应温度对热解油品质的影响。在自制流化床热裂解装置上,选取了5种反应温度(450℃、500℃、550℃、600℃及650℃),进行催化热裂解实验,探究热解油含水率、pH和化学组分的变化规律。结果表明:在HZSM-5催化剂作用下,热解油含水率与pH随反应温度线性增加,酸性随着含水率的升高而减弱(pH增大);热解油中酸类、酚类、酯类及醇类相对含量比酮类、醛类及糖类受反应温度影响更加明显;在HZSM-5催化剂与物料质量比1:10,反应温度为500℃时,热解油品质较好,腐蚀性低、稳定性高,酚类物质种类丰富、相对含量高。研究结果为HZSM-5催化条件下反应温度调控、改善热解油品质提供了一定的科学依据,有利于热解油后续高值化、环保化利用。

关 键 词:生物质  流化床  热解油  催化作用  反应温度  组分分析  
收稿时间:2017-09-18

Effect of reaction temperature on pyrolysis oil quality over HZSM-5 catalyst
LI Ping,WANG Lihong,SI Hui,WANG Yiqing. Effect of reaction temperature on pyrolysis oil quality over HZSM-5 catalyst[J]. Chemical Industry and Engineering Progress, 2018, 37(9): 3379-3385. DOI: 10.16085/j.issn.1000-6613.2017-1964
Authors:LI Ping  WANG Lihong  SI Hui  WANG Yiqing
Affiliation:1 School of Technology, Beijing Forestry University, Beijing 100083, China;
2 Shandong Research Center of Engineering and Technology for Clean Energy, Shangdong University of Technology, Zibo 255091, Shandong, China
Abstract:The effect of reaction temperatures on the quality of pyrolysis oil was investigated over acidic HZSM-5 zeolite, using corn stalk powder as raw material. In the self-made fluidized bed pyrolysis device, five reaction temperatures (450℃, 500℃, 550℃, 600℃ and 650℃) were tested in the catalytic pyrolysis experiments to study the moisture content, pH and chemical composition of pyrolysis oil. The results showed that, under the action of HZSM-5 catalyst, the moisture content and pH of pyrolysis oil increased linearly with the reaction temperature, and the acidity decreased with the increase of water content (pH increased); the content of phenols, esters and alcohols was more sensitive than that of ketones, aldehydes and sugars by the reaction temperature; under the conditions of HZSM-5 catalyst and material mass ratio of 1:10, the reaction temperature was 500℃, oil quality was in a good state, corrosive low, high stability, rich phenolic species and high relative content. The results provided a scientific evident that the reaction temperature controlled and improved the quality of pyrolysis oil over HZSM-5 catalyst, which will be beneficial to the subsequent high-value and environmental protection utilization of pyrolysis oil.
Keywords:biomass  fluidized-bed  pyrolysis oil  catalysis  reaction temperature  component analysis  
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