基于深入了解生物质热解行为的目的,在自行研制的热解机理试验台上系统研究了金属盐对生物质热解的影响规律.试验结果表明,钾离子对生物油中的一些大分子量组分发生重聚反应生成焦炭和小分子气体产物具有强烈的催化作用,从而降低了热解生物油产量而得到更多的焦炭和气体产物.相比钾离子而言,钙离子对焦炭生成的促进作用更为强烈;镁离子对白松热解的影响远没有钾离子和钙离子明显.
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