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| 1 | 海藻酸钠基碳气凝胶的染料吸附及油水分离研究显示文摘利用来源广泛、绿色无污染的海洋材料海藻酸钠为碳源,经湿法纺丝、高温碳化和水洗制备了海藻酸钠基碳气凝胶W-SACA。W-SACA具有丰富的孔洞结构和高达1143.77 m^(2)/g的比表面积。以阳离子染料亚甲基蓝(MB)、阴离子染料甲基橙(MO)、溶剂染料油红O(ORO)为代表考察了接触时间、染料浓度、温度、pH对吸附效果的影响,结果表明,W-SACA对这3种染料的吸附量分别高达196.5009、198.9216、194.3202 mg/g。此外,W-SACA也成功地应用于油水混合物和乳液的高效分离。 | 朱海山 | 2021 | 工业水处理2021，41，5： | 2 |
| 2 | Weakly hydrophobic nanoconfinement by graphene aerogels greatly enhances the reactivity and ambient stability of reactivity of MIL-101-Fe in Fenton-like reaction显示文摘In the pursuit of heterogeneous catalysts with high reactivity,metal organic framework(MOF)nanomaterials have received tremendous attentions.However,many MOF catalysts especially Fe-based MOFs need to be utilized immediately after synthesis or being activated using high temperature,because of the easy loss of reactivity in humid environments resulting from the occupation of active Fe sites by water molecules.Here,we describe an inspiring strategy of growing MIL-101-Fe nanoparticles inside the three-dimensional confined space of graphene aerogel(GA),generating shapeable GA/MIL-101-Fe nanocomposite convenient for practical use.Compared to MIL-101-Fe,GA/MIL-101-Fe as catalyst demonstrates much higher reactivity in Fenton-like reaction,attributing to smaller MIL-101-Fe particle size,presence of active Fe(II)sites,and abundant defects in GA.Strikingly,the weakly hydrophobic nature of the composite greatly inhibits the loss of catalytic reactivity after being stored in humid air and accelerates the recovery of reactivity in mild temperature,by resisting the entrance of water molecules and helping to exclude water molecules.This work demonstrates that a delicate design of nanocomposite structure could not only improve the reactivity of the catalytic component,but also overcome its intrinsic drawback by taking advantage of the properties of host.We hope this functional nanoconfinement strategy could be extended to more scenarios in other fields. | Yuwei Zhang Fei Liu Zhichao Yang Jieshu Qian Bingcai Pan | 2021 | Nano Research2021，14，7： | 2 |
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