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热力发电  2015 

稻壳/甘油共气化制合成气实验研究

, PP. 28-33

Keywords: 水蒸气共气化,甘油,稻壳,合成气,热值

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Abstract:

以水蒸气为气化介质,在固定床实验台上进行了稻壳(car.bio)/甘油(car.gly)共气化制合成气实验研究,考察了温度和n(h2o)∶n(c)(摩尔比),m(car.gly)∶m(car.bio)(质量比)等参数对合成气成分及其热值的影响。结果表明:随温度的升高,h2体积分数先升高,后缓慢降低,在700℃时达到最大值,co体积分数随温度的升高而升高,热值随温度的变化与h2体积分数的变化趋势相反,并在700℃时达到最小值;随n(h2o)∶n(c)的升高,h2体积分数不断升高,co体积分数和热值不断降低,并且三者在n(h2o)∶n(c)为2.0~2.5之间均达到平台期;随m(car.gly)∶m(car.bio)的升高,h2体积分数缓慢升高,co体积分数缓慢降低,热值由10.30mj/m3升至10.76mj/m3;随温度的升高,氢气产率、气体产率、碳的转化率明显升高,但是温度过高,碳的转化率反而会降低。

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