Experimental study on the catalytic gasification of pine sawdust over nickel catalyst supported by copper slag

doi:10.16085/j.issn.1000-6613.2017-2312

Chemical Industry and Engineering Progress ›› 2018, Vol. 37 ›› Issue (10): 3919-3927.DOI: 10.16085/j.issn.1000-6613.2017-2312

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Experimental study on the catalytic gasification of pine sawdust over nickel catalyst supported by copper slag

YUAN Xiaotao^1,2, HU Jianhang^1,2, ZHANG Fengxia^2,3, LIU Huili^1,2, LIU Zewei^1,2, LI Hui^1,2

1 State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, Yunnan, China;
2 Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China;
3 Kunming Metallurgy College, Kunming 650093, Yunnan, China

Received:2017-11-09 Revised:2018-01-11 Online:2018-10-05 Published:2018-10-05

铜渣载镍催化剂催化气化松木屑的实验研究

袁晓涛^1,2, 胡建杭^1,2, 张凤霞^2,3, 刘慧利^1,2, 刘泽伟^1,2, 李慧^1,2

1 昆明理工大学省部共建复杂有色金属资源清洁利用国家重点实验室, 云南昆明 650093;
2 昆明理工大学冶金与能源工程学院, 云南昆明 650093;
3 昆明冶金高等专科学校, 云南昆明 650093

通讯作者: 胡建杭,教授。
作者简介:袁晓涛(1990-),男,硕士研究生,研究方向为生物质热化学转化技术。
基金资助:
国家自然科学基金（51376085）、NSFC-云南联合基金（U1602272）、国家重点实验室自主课题（CNMRCUTS1706）及云南省科技领军人才项目（2015HA019）。

Abstract

Abstract: The effects of different nickel loadings, catalyst calcination temperatures and catalytic temperatures on the catalytic gasification of pine sawdust were investigated in a two-stage fixed bed reactor. The water steam was the gasification medium, and NiO/copper slag was the catalyst which was characterized by XRD, TEM, BET, SEM, H₂-TPR. The results showed that the copper slag Ni-based catalyst had a relatively low surface area. However, it showed an excellent resistance to the coke deposition and a high tar removal ability. The H₂ yield, carbon conversion and carbon deposit were 26.91mmol/g, 94.86% and 0.16% respectively under the conditions of 2.0% nickel loading and 600℃ calcination temperature. When the catalytic temperature increased from 850℃ to 900℃, the H₂ yield increased by only 0.28mmol/g. Based on the comprehensive consideration of energy consumption, catalytic performance and equipment spoilage, the optimal catalytic temperature was determined as 850℃. The application of copper slag in nickel catalyst could realize the reutilization of waste materials, and therefore have significant practical values.

Key words: pine sawdust, NiO/copper slag, catalytic gasification, reutilization of waste materials

摘要： 采用二级固定床管式反应器，以松木屑为原料，水蒸气为气化介质，载镍铜渣为催化剂，结合XRD、TEM、BET、SEM、H₂-TPR等表征手段，考察了不同的镍载量、催化剂焙烧温度以及催化温度对生物质催化气化的影响。结果表明，铜渣载镍催化剂有相对低的比表面积，但它表现出极好的抗积炭性能和裂解焦油的能力。镍载量为2.0%的催化剂经过600℃焙烧后，氢气产量为26.91mmol/g，碳转化率达到了94.86%，积炭仅为0.16%；当催化温度从850℃升高到900℃时，氢气产量只增加了0.28mmol/g，综合考虑能源消耗、催化性能以及设备损耗等因素，最佳的催化温度为850℃。由此可见，铜渣在镍催化剂上的应用可实现废物回收利用，有着重要的实用价值。

关键词: 松木屑, 载镍铜渣, 催化气化, 废物利用

CLC Number:

YUAN Xiaotao, HU Jianhang, ZHANG Fengxia, LIU Huili, LIU Zewei, LI Hui. Experimental study on the catalytic gasification of pine sawdust over nickel catalyst supported by copper slag[J]. Chemical Industry and Engineering Progress, 2018, 37(10): 3919-3927.

袁晓涛, 胡建杭, 张凤霞, 刘慧利, 刘泽伟, 李慧. 铜渣载镍催化剂催化气化松木屑的实验研究[J]. 化工进展, 2018, 37(10): 3919-3927.

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Experimental study on the catalytic gasification of pine sawdust over nickel catalyst supported by copper slag

铜渣载镍催化剂催化气化松木屑的实验研究

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