1. 毕业设计（论文）的内容和要求

claus法是工业常用的脱除硫化氢回收硫磺的方法。

由于claus平衡反应的热力学限制，claus尾气中仍然存在1-2%（体积分数）的硫化物，其主要成分为h2s与so2，同时尾气中还含有较高浓度的co2。

随着国家环保要求的提高，claus尾气中h2s的浓度需降低到10 mg/m3以下，so2的浓度需降低至100 mg/m3以下。

2. 参考文献

[1] 马玉贞, 陶明信, 张新民, 等. 煤层气及天然气中的 H2S 与 SO2 及其危害性[J]. 地质学报, 2008, 82(10): 1408-1415. [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

2018.02.26-2018.03.10 查阅国内外有关文献，进行文献综述；拟定实验方案。

2018.03.11-2018.04.14 考察最佳的脱硫工艺条件。

2018.04.15-2018.05.14 对脱硫前后的样品进行表征。