Modified sweet potato starch flocculants were prepared with cationic etherizing agent and microwave technique, and used to treat the dyeing and printing wastewaters.

采用微波辐射技术，用阳离子醚化剂对红薯淀粉进行改性，制备了改性红薯淀粉絮凝剂，并用其处理印染废水。

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The cationic starch, as an important ramification of the modified starch, has been used in many fields nowadays.

阳离子淀粉是一类重要的淀粉衍生物，可应用于各种领域。

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