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为研究硅灰石酸处理产物的比表面积及产率的影响因素，作者设计了一个三因素、两水平的正交实验，并做了最佳条件实验，即验证实验。结果证实了正交实验结论的正确性，即快速加酸、有机助剂和无机助剂，有利于提高硅灰石酸处理产物的比表面积和产率。
In order to study the influence factors of the specific surface area and yield of the products treated with wollastonite, the author designed a three-factor and two-level orthogonal experiment and made the best condition experiment, that is, the verification experiment. The results confirm the correctness of the conclusion of the orthogonal experiment, namely, quick addition of acids, organic auxiliaries and inorganic auxiliaries, which is beneficial to increase the specific surface area and yield of the wollastonite treated product.