合成甲醇原料气精脱硫中羰基硫水解催化剂的工业应用研究

Industrial Application of Hydrolysis Catalyst for Fine Desulfurization of Methanol Feed

羰基硫水解催化剂用于５万ｔ／ａ合成甲醇的原料气精脱硫，至今已运行了１０个月。结果表明，含１－１００ｍｇ／ｍ￣３羰基硫的原料气，在温度为１００—２１０℃、空速为３０００—６０００ｈ￣（－１）、压力为２．７ＭＰａ下，通过固定床反应器；羰基硫在催化剂上的水解转化率可达９０％以上。在整个运行期间，催化剂活性保持稳定、具有强的抗硫酸盐化中毒的性能。

COS hydrolysis catalyst for fine desulfurization of syngas is used in a 50000 tpy synmethanol unit.Results from 10 months of operation indicate that COS hydrolysis conversion over the catalyst is above 90%,when syngas with 1─100mg/m￣3 COS passes through the catalyst bed at 100─ 210℃,3000─6000h￣(-1) and 2.7MPa。The COS conversion is steady throughout the operation,and the hydrolysis catalyst is strongly resistant against sulphated poisoning.