Iron phosphate prepared by coupling precipitation and aging: Morphology, crystal structure, and cr(III) adsorption

Zhang T.B.; Lu Y.C.; Luo G.S.

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Iron phosphate prepared by coupling precipitation and aging: Morphology, crystal structure, and cr(III) adsorption

机译：通过沉淀和老化耦合制备的磷酸铁：形态，晶体结构和cr（III）吸附

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In this work, pure iron phosphate products with various morphologies and crystal structures were obtained by coupling fast precipitation in a microreactor and the aging process. Morphology control from amorphous nanoparticle to monoclinic microsheet or microsphere can be simply realized by only changing the addition of H_3PO_4 in the reaction system. Microscopic observations on morphology evolvement revealed the formation of different morphology, or crystal structure could be illustrated by the synergetic effect of precursor produced in the mixing unit and postgrowth from solution in aging generally. Furthermore, Cr(III) adsorption determinations confirmed monoclinic-phase FePO_4 had a better adsorption capacity than amorphous FePO_4, and microsheet FePO_4 has potential as a Cr(III) adsorbent with rationality in crystal structure, surface area, and macroscopic size.

机译：在这项工作中，通过将微反应器中的快速沉淀与时效过程相结合，获得了具有各种形态和晶体结构的纯磷酸铁产品。仅通过改变反应系统中H_3PO_4的添加量，即可简单地实现从无定形纳米颗粒到单斜微片或微球的形态控制。微观观察形态演变揭示了不同形态的形成，或者晶体结构可以通过混合单元中产生的前体的协同作用和通常老化后溶液的后生长来说明。此外，Cr（III）吸附测定证实单斜相FePO_4具有比非晶态FePO_4更好的吸附能力，微片FePO_4具有作为Cr（III）吸附剂的潜力，其晶体结构，表面积和宏观尺寸均合理。

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《Crystal growth & design》 |2013年第3期|共11页
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Zhang T.B.; Lu Y.C.; Luo G.S.;
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机译：通过沉淀和老化耦合制备的磷酸铁：形态，晶体结构和cr（III）吸附
2. Syntheses and crystal structures of four cyanide-bridged trinuclear iron(III)-copper(II)-iron(III) complexes exhibiting abnormal antiferromagnetic coupling [J] . Ji Yujie, Zhang Lifang, Zhao Yun, Transition Metal Chemistry . 2015,第4期

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3. Crystal structure of hydrazine iron(III) phosphate, the first transition metal phosphate containing hydrazine [J] . David R. Acta Crystallographica Section E: Crystallographic Communications . 2015,第12期

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Iron phosphate prepared by coupling precipitation and aging: Morphology, crystal structure, and cr(III) adsorption

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