Compared with the original bentonite modification, lithium-base bentonite can improve the properties of green sand and the optimum added content is 8 %.
与原膨润土相比，锂化膨润土的加入改善了湿型砂的性能，最佳加入量为8%。
A combined method of thermal treatment and mechanochemical modification of bentonite is briefly presented in this paper.
采用热处理与机械力化学改性相结合的方法活化膨润土，可制备橡胶补强填料。
Meantime, the study of the modification of calcium bentonite was made.
同时，对钙基膨润土人工钠化进行了研究。
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