["甲醇触媒", "请问？目前国内大部分粗甲醇中乙醇含量均在 6 以上，很少能达到 6 。 �群内有没有能把粗甲醇中乙醇做到 3 以下的？公司目前计划做低乙醇甲醇产品烦请赐教！谢谢！", "単独依靠触媒是很难的 新触媒性能好 粗甲醇中乙醇含量可以做到比较低 随触媒活性逐渐变化 乙醇含量会逐渐升高。所以通过精馏提高乙醇含量 控制乙醇含量比较靠谱。", "对的 粗甲醇中乙醇含量不但和触媒性能有关 还和反应条件 气体组成等都有关系 与其费大力气控制粗甲醇乙醇含量 不如通过精馏过程来进行控制 只要增加乙醇侧采的位置即可实现"，"粗甲醇中乙醇含量不仅仅与触媒选择有关 还与合成回路的H/C有很大关系 注意分析入塔气的H/C比。增大循环比可以提高入塔气H/C比 降低粗醇中的 乙醇含量。"，"同意！:victory:"]

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