中低温煤焦油制备火箭煤油研究
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摘要
以陕北中低温煤焦油<360℃的馏分油为原料,Ni Mo/Al_2O_3为催化剂,在实验室小型固定床反应器上进行加氢试验。考察反应温度、反应压力和空速对产品收率及性质的影响,结果表明,较高的反应温度和反应压力及较低空速有利于提高加氢产品油中火箭煤油收率。将所得加氢产品油中(192～255)℃馏分作为火箭煤油产物进行检测分析,各项指标均满足GJB 8087-2013(液体火箭发动机用煤油安全应用准则)要求。以煤焦油为原料制备煤基火箭煤油,不仅为煤焦油的综合利用提供了新途径,同时拓宽了火箭煤油的生产来源。
Hydrogenation was studied in a small fixed bed reactor over Ni-Mo/γ-Al_2O_3 catalyst using mid-low-temperature coal tar distillates below 360 ℃ as raw material. Effects of reaction temperature,reaction pressure,and liquid hourly space velocity on yield and property of product was investigated. The results showed that high reaction temperature and pressure,low space velocity were in favor of improving rocket kerosene fraction yield in oil hydrogenation products. The distillates of( 192-255) ℃ were analyzed to meet the requirements of GJB 8087-2013( liquid rocket engine with kerosene safety application criterion). The preparation of coal-based rocket kerosene from coal tar not only provides a new way for the comprehensive utilization of coal tar,but also broadens the source of rocket kerosene.
Hydrogenation was studied in a small fixed bed reactor over Ni-Mo/γ-Al_2O_3 catalyst using mid-low-temperature coal tar distillates below 360 ℃ as raw material. Effects of reaction temperature,reaction pressure,and liquid hourly space velocity on yield and property of product was investigated. The results showed that high reaction temperature and pressure,low space velocity were in favor of improving rocket kerosene fraction yield in oil hydrogenation products. The distillates of( 192-255) ℃ were analyzed to meet the requirements of GJB 8087-2013( liquid rocket engine with kerosene safety application criterion). The preparation of coal-based rocket kerosene from coal tar not only provides a new way for the comprehensive utilization of coal tar,but also broadens the source of rocket kerosene.
引文
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[2]Yuan Yang,Li Dong,Zhang Linna,et al. Development,status,and prospects of coal tar hydrogenation technology[J].Energy Technology,2016,4(11):1338-1348.
[3]李冬,李稳宏,高新,等.中低温煤焦油加氢改质工艺研究[J].煤炭转化,2009,32(4):81-84.Li Dong,Li Wenhong,Gao Xin,et al. Hydro-upgrading process of medium and low temperature coal tar[J]. Coal Conversion,2009,32(4):81-84.
[4]王明华,蒋文化,韩一杰.现代煤化工发展现状及问题分析[J].化工进展,2017,36(8):2882-2887.Wang Minghua,Jiang Wenhua,Han Yijie. Analysis on the present situation and problems of modern coal-chemical industry[J]. Chemical Industry and Engineering Progress,2017,36(8):2882-2887.
[5]韩保平.煤化工挑战石油化工成本优势萎靡行业未来怎么走[J].化工管理,2015,(13):9-12.
[6]刘婕,曹文杰,薛艳,等.煤基喷气燃料发展动态[J].化学推进剂与高分子材料,2008,6(2):24-26.Liu Jie,Cao Wenjie,Xue Yan,et al. Development Trends of coal-based jet fuels[J]. Chemical Propellants&Polymeric Materials,2008,6(2):24-26.
[7]薛艳,王树雷,刘婕.煤直接液化制取喷气燃料原料油的组成分析[J].石油学报(石油加工),2010,26(S1):264-267.Xue Yan,Wang Shulei,Liu Jie. Analysis of chemical constituents of coal liquefied jet fuel distillate[J]. Acta Petrolei Sinica(Petroleum Processing Section),2010,26(S1):264-267.
[8]韩立军.费托合成煤油加氢异构制替代喷气燃料[D].天津大学,2012.
[9]曲兴宇,郑佰龙,谢伟.加氢精制装置航空煤油试生产[J].石化技术与应用,2017,35(1):56-58.Qu Xingyu,Zheng Bailong,Xie Wei. Trial production of aviation kerosene in hydrofining unit[J]. Petrochemical Technology&Application,2017,35(1):56-58.
[10]杨文,吴秀章,陈茂山,等.煤基喷气燃料研究现状及展望[J].洁净煤技术,2015,21(5):52-57.Yang Wen,Wu Xiuzhang,Chen Maoshan,et al. Present status and prospect of coal-based jet fuel[J]. Clean Coal Technology,2015,21(5):52-57.
[11]李冬,李稳宏,高新,等.响应面法优化煤焦油加氢脱氮工艺[J].化工进展,2010,29(4):634-637.Li Dong,Li Wenhong,Gao Xin,et al. Optimization for hydrodenitrification process of coal tar using response surface methodology[J]. Chemical Industry and Engineering Progress,2010,29(4):634-637.
[12]顾永和,王博,崔操,等.反应条件对MoP/Ti O2-Si O2-Al2O3催化剂加氢脱氮性能的影响[J].化学与黏合,2013,35(6):46-49.Gu Yonghe,Wang Bo,Cui Cao,et al. The effect of reaction conditions on MoP/Ti O2-Si O2-Al2O3catalysts and their hydrodenitrogenation activity[J]. Chemistry and Adhesion,2013,35(6):46-49.