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OALib Journal期刊
ISSN: 2333-9721
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费—托合成实验中烷烃气碳同位素分馏机理费—托合成实验中烷烃气碳同位素分馏机理
Keywords: 费—托合成,烷烃气碳同位素,动力学分馏,热力学平衡
Abstract:
？40多年来的费—托合成模拟实验表明，只有部分结果出现了烷烃气碳同位素反序现象。通过较为完整的分析发现，其原因可能是：随着模拟实验时间的增加与温度的升高并随着产物转化率的增高，控制烷烃气碳同位素分馏的因素逐渐由动力学机制转变为热力学平衡，烷烃气碳同位素序列将由反序转变为部分倒转再到类似常规天然气的正序分布。只有在较短时间（转化率较低）或者开放体系（随生随排）条件下才遵从动力学分馏。电火花放电合成实验仅代表了理想状态下动力学分馏过程。
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