Mass transfer kinetics of dehumidification in an adsorption bed during close air circulation have been investigated utilizing silica and 4a molecular sieves.
用硅胶和4a分子筛吸附剂进行气流封闭循环实验，对吸附床的除湿传质动力学进行了研究。
It explored the new technique by using pearlite and wasted clay to produce 4a molecular sieves, and made use of all the exhausted acid and alkali in the process.
探究了珍珠岩和废白土制备4a分子筛的新工艺，并对制备过程中产生的废酸碱液进行了综合利用治理。
By changing the proportion of raw materials, different kinds of molecular sieves are obtained, such as those of 4A zeolite, B zeolite, X zeolite , hydroxy sodalite and their mixtures.
合成原料的配比发生改变，产品4A分子筛中会分别含有羟基方钠石、B型分子筛等杂相； 控制好原料配比，可以得到纯4A分子筛、纯B型分子筛、纯X型分子筛。
By changing the proportion of raw materials, different kinds of molecular sieves are obtained, such as those of 4A zeolite, B zeolite, X zeolite , hydroxy sodalite and their mixtures.
合成原料的配比发生改变，产品4A分子筛中会分别含有羟基方钠石、B型分子筛等杂相； 控制好原料配比，可以得到纯4A分子筛、纯B型分子筛、纯X型分子筛。
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