海藻酸盐微胶囊及纳米Fe3O4的可控制备及应用的研究——介绍一个综合探究实验

doi:10.3866/PKU.DXHX201905052

Abstract

Abstract:

A comprehensive exploratory experiment, preparation of calcium alginate microcapsules and nano-Fe₃O₄ is introduced to explore the effect of adsorbing organic matter and metal ions in water. This experiment is in line with the cutting-edge science development, which can fully stimulate students' interest in learning, and change passive learning into active learning. It is very conducive to improving students' comprehensive inquiry ability.

Key words: Comprehensive exploratory experiment, Nano-Fe₃O₄, Alginate microcapsules, Sewage treatment

MSC2000:

Hongyu Liu,Chenlong Zhang,Weitao Jiang,Liyan Liu,Weilong Xing,Gu Jin,Qizhi Yao,Jiao Li,Xiaokui Wang,Lingling Li. Controllable Preparation and Applications of Alginate Microcapsules and Nano-Fe₃O₄: Introduce a Comprehensive Exploratory Experiment[J].University Chemistry, 2020, 35(2): 33-42.

吸附剂	吸附前c_Cu²⁺/(mg∙L⁻¹)	吸附后c_Cu²⁺/(mg∙L⁻¹)
微胶囊	0.40	0.219
纳米Fe₃O₄	0.40	0.095
包裹纳米Fe₃O₄的微胶囊	0.40	0.041

吸附剂	吸附前c_亚甲基蓝/(mg∙L⁻¹)	吸附后c_亚甲基蓝/(mg∙L⁻¹)
微胶囊	0.40	0.219
纳米Fe₃O₄	0.40	0.095
包裹纳米Fe₃O₄的微胶囊	0.40	0.041

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Controllable Preparation and Applications of Alginate Microcapsules and Nano-Fe₃O₄: Introduce a Comprehensive Exploratory Experiment

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Controllable Preparation and Applications of Alginate Microcapsules and Nano-Fe₃O₄: Introduce a Comprehensive Exploratory Experiment