[1]李宇翔 周婷婷 农舒期 李俊辉 郭艳芳 王家怡 覃色凤 柴坤刚 沈 芳.CMS@NH2-CAU-10对染料废水中结晶紫的吸附研究[J].大众科技,2024,26(4):116-121.
 [J].Popular Science & Technology,2024,26(4):116-121.
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CMS@NH2-CAU-10对染料废水中结晶紫的吸附研究()
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《大众科技》[ISSN:1008-1151/CN:45-1235/N]

卷:
26
期数:
2024年第4期
页码:
116-121
栏目:
轻工与化工
出版日期:
2024-07-20

文章信息/Info

作者:
李宇翔 周婷婷 农舒期 李俊辉 郭艳芳 王家怡 覃色凤 柴坤刚 沈 芳
(广西大学化学化工学院,广西 南宁 530004)
关键词:
CMSMOFsCMS@NH2-CAU-10吸附结晶紫动力学热力学
分类号:
X703
文献标志码:
A
摘要:
采用溶剂热合成法,将金属盐、含氨基的配体和溶剂在一定条件下合成表面具有NH2-CAU-10的化合物,再将其与羧甲基淀粉(CMS)溶液在一定温度下混合分散,制得CMS@ NH2-CAU-10。利用FTIR、XRD对吸附前后的材料进行对比,测定其化学结构、孔结构和稳定性。通过测定不同比例下制备的CMS@NH2-CAU-10对结晶紫的吸附量及吸附率,筛选出了吸附效果最佳的CMS@ NH2-CAU-10,分析了离子强度、pH对其吸附作用的影响,通过实验得到了其吸附动力学曲线与吸附热力学曲线。吸附动力学过程符合BoxLucas1模型,吸附等温模型符合Langmuir模型。最终确认以7.5 mL的质量浓度为44.47 g/L的CMS溶液与NH2-CAU-10合成的CMA@NH2-CAU-10在pH=8、离子强度=0.02的环境下对结晶紫的吸附性能最佳。

参考文献/References:

[1] LIU J,ZHANG X Y,HOU J X,et al. Functionalized Mn(II)-MOF based on host-guest interaction for selective and rapid capture of Congo red from water[J]. Journal of Solid State Chemistry,2019,270:697-704. [2] VERGIS B R,HARI KRISHNA R,KOTTAM N,et al. Removal of malachite green from aqueous solution by magnetic CuFe2O4 nano-adsorbent synthesized by one pot solution combustion method[J]. Journal of Nanostructure in Chemistry,2018,8:1-12. [3] QUAN X P,SUN Z Q,MENG H,et al. Polyethyleneimine(PEI)incorporated Cu-BTC composites:extended applications in ultra-high efficient removal of congo red[J]. Journal of Solid State Chemistry,2019,270:231-241. [4] TAN Y M,SUN Z Q,MENG H,et al. Efficient and selective removal of congo red by mesoporous amino-modified MIL-101(Cr)nanoadsorbents[J]. Powder Technology,2019,356:162-169. [5] YANG M,WU Y Q,RAO R C,et al. Methanol promoted synthesis of porous hierarchical α-Ni(OH)2 for the removal of Congo red[J]. Powder Technology,2017,320:377-385. [6] ELTAWEIL A S,ELSHISHINI H M,GHATASS Z F,et al. Ultra-high adsorption capacity and selective removal of Congo red over aminated graphene oxide modified Mn-doped UiO-66 MOF[J]. Powder Technology,2021,379:407-416. [7] LI M,YUAN G Y,ZENG Y,et al. Efficient removal of Co(II) from aqueous solution by flexible metal-organic framework membranes[J]. Journal of Molecular Liquids,2020,324:114718. [8] ZHA Q J,SANG X X,LIU D Y,et al. Modification of hydrophilic amine-functionalized metal-organic frameworks to hydrophobic for dye adsorption[J]. Journal of Solid State Chemistry,2019,275:23-29. [9] NASROLLAHZADEH M,SAJJADI M,IRAVANI S,et al. Starch,cellulose,pectin,gum,alginate,chitin and chitosan derived(nano)materials for sustainable water treatment:a review[J]. Carbohydrate Polymers,2021,251:116986. [10] 余纯丽,任建敏,胡然. 膨润土吸附结晶紫的动力学与热力学研究[J]. 西南大学学报(自然科学版),2009,31(6):165-168. [11] YU F,BAI X T,LIANG M X,et al. Recent progress on metal-organic framework-derived porous carbon and its composite for pollutant adsorption from liquid phase[J]. Chemical Engineering Journal,2021,405:126960.

备注/Memo

备注/Memo:
【收稿日期】2024-05-08 【基金项目】广西石化资源加工及过程强化技术重点实验室项目“淀粉基多孔碳材料对石化废水中酚类的吸附及分离研究”(2021Z009)。 【第一作者】李宇翔(2003-),女,学生,研究方向为MOFs复合材料对废水的吸附。 【通信作者】沈芳(1978-),女,副教授,研究方向为吸附材料的制备及应用。
更新日期/Last Update: 2024-09-23