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过滤开始时,为什么滤液是浑浊的?
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过滤开始时,为什么滤液是浑浊的?
时间:2021-12-30 21:01
关键词:
化工原理
化学工程
大学试题
工学
答案解析
<p> 因为刚开始滤布没有固体附着,所以空隙较大,浑浊液会通过滤布,从而滤液是浑浊的。一段时间后,待过滤液中的固体会填满滤布上的空隙,从而使固体颗粒不能通过滤布,此时液体就会变得清澈(即开始过滤是滤饼厚度不够)<br> MgCO3微溶于水,其水溶液为乳浊液,故过滤开始时,滤液是浑浊的。</p>
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过滤开始时,为什么滤液是浑浊的?
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