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本文介绍了用田菁胶、氢氧化钠、一氯乙酸合成羧甲基钠盐田菁胶的合成路线，羧甲基钠盐是一种新型阴离子助滤剂，经过试验探索了影响反应的因素及合成工艺条件，以及时浮选精煤的助滤效果作了试验评价。图４．表１．参５。
This article describes the synthesis of sodium sesquicarbonate sodium carboxymethyl sodium sesbanide sodium hydroxide, monochloroacetic acid synthesis of sodium carboxymethyl sodium salt is a new type of anionic filter aid, after the experiment to explore the impact of the reaction factors and Synthetic process conditions, and timely flotation of coal filtration aid effect made a test evaluation. Figure 4. Table 1 Participation 5.