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浙江大学学报(工学版)
浙江大学学报(工学版)
能源工程     
纯化凹凸棒土催化废轮胎热解制取高值液态产物
丁宽,仲兆平,张波,刘志超
东南大学 能源与环境学院,能源热转换及其过程测控教育部重点实验室,江苏 南京 210096
Catalytic pyrolysis of scrap tire to produce valuable liquid products using purified attapulgite
DING Kuan, ZHONG Zhao-ping, ZHANG Bo, LIU Zhi-chao
School of Energy and Environment, Southeast University, Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education,  Nanjing 210096, China
 全文: PDF(1007 KB)  
摘要：
为研究纯化凹凸棒土对废轮胎热解的影响,选取NaOH、HY-51、凹凸棒土（凹土,OA）和纯化凹土（PA）4种催化剂进行催化热解试验,利用主成分分析法分析催化剂对热解油组分变化的影响.结果表明：废轮胎非催化热解在550 ℃时产油率达到最高42.4%,4种催化剂均能提高产油率；热解油中脂肪烃含量随着温度升高而降低,而芳香烃逐渐成为主要组分；NaOH和HY-51可提高脂肪烃的含量,后者对芳香烃的影响更大；OA则能促进环烯烃的生成并催化单环芳烃转化为多环芳烃；PA能够有效地催化脂肪烃向单环芳烃转化.分析结果表明,PA在催化废轮胎热解制取高价值液态产物方面具有很好的应用前景.
关键词： 热解;  凹凸棒土;  主成分分析;  催化;  废轮胎    
Abstract:
To investigate the influence of attapulgite on pyrolysis of scrap tire, NaOH, HY-51, attapulgite (OA) and purified attapulgite (PA) were chosen for catalytic pyrolysis. The mechanism of catalysts on composition of pyrolysis oil was investigated through principal component analysis (PCA). The results show that the highest oil yield of non-catalytic pyrolysis reaches 42.4% at 550℃.  All the catalysts increase the oil yield. The content of aliphatic hydrocarbons reduces when temperature  rises, while aromatic hydrocarbons become major components. NaOH and HY-51 improvethe content of aliphatic hydrocarbons, while the latter shows greater impact on aromatic hydrocarbons. The production of cycloolefins, as well as the conversion of aromatic hydrocarbons from monocyclic (MAH) to polycyclic (PAH), are promoted by OA. PA is
beneficial for the conversion of aliphatic hydrocarbons to MAH.  Consequently, PA has a good prospect in the catalytic pyrolysis of scrap tire to produce valuable liquid products.Keywords: scrap tire; catalysis; pyrolysis; attapulgite; principal component analysis.
Key words: pyrolysis    principal component analysis    scrap tire    catalysis    attapulgite
出版日期: 2014-12-08
:  X 705  
基金资助:
 国家“973”重点基础研究发展规划资助项目(2011CB201505)；国家自然科学基金资助项目(51276040)
通讯作者: 仲兆平，男，教授     E-mail: zzhong@seu.edu.cn
作者简介: 丁宽（1988-），男，博士生，从事固体废弃物资源化利用方面研究. E-mail: yczl_dk@163.com
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丁宽,仲兆平,张波,刘志超. 纯化凹凸棒土催化废轮胎热解制取高值液态产物[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2014.11.020.

DING Kuan, ZHONG Zhao-ping, ZHANG Bo, LIU Zhi-chao. Catalytic pyrolysis of scrap tire to produce valuable liquid products using purified attapulgite. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2014.11.020.

链接本文:

http://www.zjujournals.com/xueshu/eng/CN/10.3785/j.issn.1008-973X.2014.11.020    或    http://www.zjujournals.com/xueshu/eng/CN/Y2014/V48/I11/2053

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