[1]王璐璐,冯璇,沈来宏.高硫石油焦化学链燃烧特性及硫的转化[J].东南大学学报(自然科学版),2019,49(2):288-295.[doi:10.3969/j.issn.1001-0505.2019.02.013]
 Wang Lulu,Feng Xuan,Shen Laihong.Chemical looping combustion of petroleum coke and conversion of sulfur[J].Journal of Southeast University (Natural Science Edition),2019,49(2):288-295.[doi:10.3969/j.issn.1001-0505.2019.02.013]
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高硫石油焦化学链燃烧特性及硫的转化()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
49
期数:
2019年第2期
页码:
288-295
栏目:
能源与动力工程
出版日期:
2019-03-20

文章信息/Info

Title:
Chemical looping combustion of petroleum coke and conversion of sulfur
作者:
王璐璐冯璇沈来宏
东南大学能源热转换及其过程测控教育部重点实验室, 南京 210096; 东南大学能源与环境学院, 南京 210096
Author(s):
Wang Lulu Feng Xuan Shen Laihong
Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China
School of Energy and Environment, Southeast University, Nanjing 210096, China
关键词:
化学链燃烧 石油焦 赤铁矿石
Keywords:
chemical looping combustion petroleum coke sulfur hematite
分类号:
TK16
DOI:
10.3969/j.issn.1001-0505.2019.02.013
摘要:
为了有效利用石油精炼过程中固体残留废弃物石油焦,在批次进料小型流化床上进行了基于赤铁矿石的高硫石油焦化学链燃烧实验,研究载氧体的存在对燃烧过程中碳和硫转化的影响,以及不同燃料化学链燃烧中的反应特性.结果发现,赤铁矿石的存在使碳转化率从49.6%增加到80%,化学链燃烧过程中硫主要以SO2形式释放,SO2和H2S总量提高了43%.不同燃料的碳转化率和碳转化速率与其固定碳含量成反比.同时进行14次循环实验发现,虽然CO2相对浓度有轻微下降,但仍保持在60%以上,未发现载氧体表面出现硫中毒和明显烧结现象.因此,以赤铁矿石为载氧体通过化学链燃烧方式利用高硫石油焦实验是可行的.
Abstract:
To deal with petroleum coke,which is the solid residual waste with high carbon and sulfur content in the petroleum refining process,the chemical looping combustion(CLC)is used to utilize the high-sulfur petroleum coke. Experiments were conducted in the batched fluidized bed to study the effects of the hematite oxygen carrier on the conversion of carbon and sulfur,as well as the performances of different fuels. The results show that the presence of the oxygen carrier increaes the carbon conversion from 49.6% to 80%. The main product of sulfur is SO2 during CLC process and the sum amount of SO2 and H2S increases by 43%. Moreover,the carbon conversion efficiency and the carbon conversion rate are inversely proportional to the fixed carbon content. The CO2 concentration decreases slightly,but maintains more than 60% during the 14 cyclic experiments,and the high sulfur content in the petroleum coke does not deactivate the oxygen carrier. Therefore,it is feasible to use petroleum coke by chemical looping combustion with hematite.

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备注/Memo

备注/Memo:
收稿日期: 2018-08-13.
作者简介: 王璐璐(1993—),女,博士生;沈来宏(联系人),男,博士,教授,博士生导师,lhshen@seu.edu.cn.
基金项目: 国家自然科学基金资助项目(2018YFB0605404)、江苏省研究生科研与实践创新计划资助项目(KYCX18_0082).
引用本文: 王璐璐,冯璇,沈来宏.高硫石油焦化学链燃烧特性及硫的转化研究[J].东南大学学报(自然科学版),2019,49(2):288-295. DOI:10.3969/j.issn.1001-0505.2019.02.013.
更新日期/Last Update: 2019-03-20