钙基蒙脱石的NaCl改性可行性研究

采用氯化钠作为钙基蒙脱石的改性剂,实验结果表明：原料钙基蒙脱石的d001为1.5472 nm,加入4%的氯化钠溶液进行改性之后,d001转变为1.4299 nm;加入6%、8%的氯化钠溶液之后,其d001分别为1.4299nm、1.4826 nm。当氯化钠溶液的浓度升高到10%、15%,产品的d001为1.2578 nm、1.2791 nm,钠-钙离子达到了完全的交换。氯化钠改性剂的最佳加入量为10%,该种改性剂相对于传统的碱性改性剂具有一定的成本优势,有助于该产品在各个行业的进一步推广与应用。

On Feasibility of NaCl Modification of Calcium Base MontmodUonite

Adopting sodium chloride as the modifier for calcium base MontmodUonite,and the results show that d001 of calcium base MontmodUonite is 1.5472 nm.However,when adding 4% of sodium chloride solution for modification,d001 is transferred into 1.4299 nm;while adding 6%,8% of sodium chloride solutions later,its d001 are 1.4299 nm,and 1.4826 nm.When the concentration of sodium chloride solution changes to 10%,15%,the products of d001 are 1.2578 nm,and 1.2791 nm,sodium-calcium ion exchanging completely.The best content of joining sodium chloride modifier is 10%.The modifier,compared with traditional alkaline modifier,has certain cost advantages,helping the products further popularization and application in each industry.