The LPG desulfurization unit was improved by adopting the LPG deep desulfurization technology. After improvement, the LPG desulfurization unit has been running smoothly for half a year with a steady total sulfur removal effect. Total sulfur of the feeding mixed LPG is in the range of 400 -600 mg/Nm3. After refining, the average total sulfur is below 10 mg/Nm3; the product copper strip corrosion tests are up to the standard; the average sulfur content of MTBE is lower than 0. 005%. Thus, problem for the high total sulfur of MTBE and affection on 93# gasoline blending are completely solved.%采用“液化气深度脱硫技术”，对液化气脱硫醇装置进行改造。改造后脱硫醇装置运行半年来，操作平稳，总硫脱除效果稳定。进料混合液化气的总硫在400～600mg／Nm3范围内，精制后总硫平均低于10mg／Nm3，产品铜片腐蚀合格，MTBE硫含量均低于0．005％。彻底解决了MTBE总硫高，影响93。汽油调和的问题。
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