1. 毕业设计（论文）的内容和要求

随着环保和市场对石化产品中硫含量要求越来越苛刻，石油化工中硫化物脱除，尤其是较难脱除的有机硫化物脱除方法已成为石化企业和研究者关注的热点。

在以煤、石油、天然气等为原料制取的化工原料气中，有机硫化物（主要包括羰基硫（cos）和二硫化碳（cs2））与硫化氢（h2s）和二氧化硫（so2）等无机硫共同存在。

有机硫化物不仅污染环境、腐蚀管道设备，同时还会造成催化剂硫中毒，微量有机硫化物的存在就会严重影响产品质量或使化工生产中的催化剂中毒失活。

2. 参考文献

[1] 王冠, 孙同华, 张宏波,等. 催化水解法低温脱除煤气中羰基硫的研究[J]. 现代化工, 2014, 34(1):60-63. [2] 陈赓良. 克劳斯法硫磺回收工艺技术进展[J]. 石油炼制与化工, 2007, 38(9): 32-37. [3] 杨瑞华. 硫回收尾气处理工艺分析与选择[J]. 煤化工, 2012, 40(4): 14-16. [4] 汪家铭, 林鸿伟. SCOT 硫回收尾气处理技术进展及应用[J]. 化肥设计, 2012, 50(4): 7-11. [5] 谭小耀, 吴迪镛, 袁权. 浸渍活性炭脱硫过程中孔结构及气体湿度的影响[J]. 化工学报, 1997, 48(2): 237-240. [6] Sun F, Liu J, Chen H, et al. Nitrogen-Rich Mesoporous Carbons: Highly Efficient, Regenerable Metal-Free Catalysts for Low-Temperature Oxidation of H2S[J]. ACS Catalysis, 2013, 3(5): 862-870. [7] Kaliva A N, Smith J W. Oxidation of low concentrations of hydrogen sulfide by air on a fixed activated carbon bed[J]. The Canadian journal of chemical engineering, 1983, 61(2): 208-212. [8] Lee J D, Jun J H, Park N K, et al. A study on selective oxidation of hydrogen sulfide over zeolite-NaX and-KX catalysts[J]. Korean Journal of Chemical Engineering, 2005, 22(1): 36-41. [9] Lee J D, Han G B, Park N K, et al. The selective oxidation of H2S on V2O5/zeolite-X catalysts in an IGCC system[J]. Journal of Industrial and Engineering Chemistry, 2006, 12(1): 80-85. [10] Pi J H, Lee D H, Lee J D, et al. The study on the selective oxidation of H2S over the mixture zeolite NaX-WO3 catalysts[J]. Korean Journal of Chemical Engineering, 2004, 21(1): 126-131. [11] Samokhvalov A, Tatarchuk B J. Characterization of active sites, determination of mechanisms of H2S, COS and CS2 sorption and regeneration of ZnO low-temperature sorbents: past, current and perspectives[J]. Physical Chemistry Chemical Physics, 2011, 13(8): 3197-3209. [12] Keller N, Pham-Huu C, Crouzet C, et al. Direct oxidation of H2S into S. New catalysts and processes based on SiC support[J]. Catalysis today, 1999, 53(4): 535-542. [13] Bineesh K V, Cho D R, Kim S Y, et al. Vanadia-doped titania-pillared montmorillonite clay for the selective catalytic oxidation of H2S[J]. Catalysis Communications, 2008, 9(10): 2040-2043.

3. 毕业设计（论文）进程安排

2019.02.25-2019.03.10 查阅国内外有关文献，进行文献综述；拟定实验方案。

2019.03.11-2019.04.14 考察最佳的脱硫工艺条件。

2019.04.15-2019.05.14 对脱硫前后的样品进行表征。