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发明公开
CN106745505A 一种针对水包油体系乳液的破乳方法 无效 - 驳回

一种针对水包油体系乳液的破乳方法
摘要：
本发明涉及一种针对水包油体系乳液的破乳方法，包括以下几个步骤：(1)通过共沉淀法制备Fe3O4磁性纳米粒子，并对Fe3O4磁性纳米粒子进行氨基修饰，得到带电荷的Fe3O4@NH2磁性纳米粒子；(2)将步骤(1)所得带电荷的Fe3O4@NH2磁性纳米粒子置于水包油体系乳液中，施加外磁场，对水包油体系乳液进行破乳。与现有技术相比，本发明在2～10分钟内完成95％水包油乳液的破乳，破乳效率高，破乳效果好；且实现了破乳剂的回收再利用，在不影响破乳的基础上，可回用7次，大大削减了破乳成本。
摘要（英）：

The invention relates to a demulsification method for an oil-in-water system emulsion. The method comprises the following steps: (1) preparing Fe3O4 magnetic nanoparticles through a coprecipitation method and carrying out amino modification on the Fe3O4 magnetic nanoparticles to obtain charged Fe3O4@NH2 magnetic nanoparticles; and (2) putting the charged Fe3O4@NH2 magnetic nanoparticles into the oil-in-water system emulsion, applying an external magnetic field and carrying out demulsification on the oil-in-water system emulsion. Compared with the prior art, demulsification of 95% oil-in-water emulsion is completed within 2-10 minutes; the demulsification efficiency is high and the demulsification effect is good; recycling and reusing of a demulsifier are achieved; the oil-in-water system emulsion can be reused for 7 times on the basis of not affecting demulsification, so that the demulsification cost is reduced.

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