壳聚糖/木质素磺酸钠吸附剂的制备及其除Pb~(2+)和Cd~(2+)
Preparation of chitosan/sodium lignosulfonate adsorbent and its removal of Pb~(2+)and Cd~(2+)
查看参考文献23篇
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文摘
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工业废水给水体和土壤带来巨大的灾害,严重影响农作物的生长。为了获得洁净水,须制备一种稳定、有效、可持续的处理剂来控制水污染。使用木质素磺酸钠和壳聚糖,以自由基聚合法在聚丙烯酸上制备木质素基水凝胶吸附剂,并将其应用于除去Pd2+和Cd~(2+)。采用正交法对木质素磺酸钠、壳聚糖、交联剂以及引发剂的含量进行优化。分别利用傅里叶红外光谱仪、扫描电镜图、热分析仪以及Zeta电位仪对吸附剂进行表征。探究不同条件对木质素基水凝胶吸附Pb~(2+)和Cd~(2+)的影响,在此基础上建立动力学和等温线模型。结果表明:在吸附剂为0.015 g、重金属离子浓度为100 mg· L~(-1)、pH值为7时,对Pd2+的吸附容量为367 mg·g~(-1),对Cd~(2+)的吸附容量为296 mg·g~(-1)。同时,揭示木质素基水凝胶剂的吸附过程是一种以静电吸附为辅、化学吸附为主的吸附模式。 |
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其他语种文摘
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Industrial wastewater has brought huge disasters to water bodies and soil,and seriously affected the growth of crops.In order to obtain clean water,a stable,effective and sustainable treatment agent must be prepared to control water pollution.The lignin-based hydrogel adsorbent was prepared on polyacrylic acid by free radical polymerization of sodium lignosulfonate and chitosan, which was applied to remove Pd2+and Cd~(2+).The orthogonal method was used to optimize the content of sodium lignosulfonate,chitosan,cross-linking agent and initiator.Fourier infrared spectrometer, scanning electron micrograph,thermal analyzer and Zeta potentiometer were used to characterize the adsorbent.The effects of different conditions on the adsorption of Pb~(2+) and Cd~(2+) by lignin-based hydrogels were discussed,and the kinetics and isotherm models on the basis were established.The results show that when the adsorbent is 0.015 g,the concentration of heavy metal ions is 100 mg·L~(-1),and the pH value is 7,the adsorption capacity for Pd2+is 367 mg·g~(-1) and the adsorption capacity for Cd~(2+)is 296 mg·g~(-1).Simultaneously,it is revealed that the adsorption process of ligninbased hydrogels is an adsorption mode in which electrostatic adsorption is supplemented by chemical adsorption. |
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来源
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材料工程
,2021,49(8):153-161 【核心库】
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DOI
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10.11868/j.issn.1001-4381.2020.001138
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关键词
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木质素磺酸钠
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复合材料
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正交实验设计
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重金属离子
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地址
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河北环境工程学院, 河北, 秦皇岛, 066102
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河海大学农业科学与工程学院, 南京, 210098
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山西省生物研究院有限公司, 太原, 030006
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-4381 |
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学科
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化学工业 |
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基金
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国家自然科学基金青年项目
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中央高校基本科研业务费
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文献收藏号
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CSCD:7034918
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参考文献 共
23
共2页
|
|
1.
Chen J. Hydrophilic polythiophene/SiO_2composite for adsorption engineering:green synthesis in aqueous medium and its synergistic and specific adsorption for heavy metals from wastewater.
Chemical Engineering Journal,2019,360:1486-1497
|
CSCD被引
6
次
|
|
|
|
|
2.
Chen Q. A multi-functional-group modified cellulose for enhanced heavy metal cadmium adsorption: performance and quantum chemical mechanism.
Chemosphere,2019,224:509-518
|
CSCD被引
6
次
|
|
|
|
|
3.
司子彦. 蒙脱土/Fe_3O_4/腐殖酸复合材料对U(Ⅵ)的作用机制.
材料工程,2021,49(3):158-166
|
CSCD被引
2
次
|
|
|
|
|
4.
Wu D Q. Synthesis and characterization of arginine-NIPAAm hybrid hydrogel as wound dressing:in vitro and in vivo study.
Acta Biomaterialia,2018,65:305-316
|
CSCD被引
3
次
|
|
|
|
|
5.
Godiya C B. Novel alginate/polyethyleneimine hydrogel adsorbent for cascaded removal and utilization of Cu2+ and Pb~(2+)ions.
Journal of Environmental Management,2019,232(15):829-841
|
CSCD被引
4
次
|
|
|
|
|
6.
Ma J. Pb(Ⅱ),Cu(Ⅱ)and Cd(Ⅱ)removal using a humic substance-based double network hydrogel in individual and multicomponent systems.
Journal of Materials Chemistry A,2018,6(41):20110-20120
|
CSCD被引
3
次
|
|
|
|
|
7.
Guo H. Synthesis of bitter gourd-shaped nanoscaled hydroxyapatite and its adsorption property for heavy metal ions.
Materials Letters,2019,241(15):176-179
|
CSCD被引
1
次
|
|
|
|
|
8.
Sharma M. Adsorption of heavy metal ions by mesoporous ZnO and TiO_2@ZnO monoliths:adsorption and kinetic studies.
Microchemical Journal,2019,145:105-112
|
CSCD被引
6
次
|
|
|
|
|
9.
Fu F. Adsorption of heavy metal sewage on nano-materials such as titanate/TiO_2added lignin.
Results in Physics,2019,12:405-411
|
CSCD被引
1
次
|
|
|
|
|
10.
Yue X. The synthesis of hierarchical porous Al_2O_3/acrylic resin composites as durable,efficient and recyclable absorbents for oil/water separation.
Chemical Engineering Journal,2017,309:522-531
|
CSCD被引
6
次
|
|
|
|
|
11.
Abdelsalam H. First principles study of the adsorption of hydrated heavy metals on graphene quantum dots.
Journal of Physics and Chemistry of Solids,2019,130:32-40
|
CSCD被引
2
次
|
|
|
|
|
12.
Liu S. Simultaneous removal of Pb(Ⅱ) and 2,4,6-trichlorophenol by a hierarchical porous PU@PDA@ MSNs sponge with reversible"shape memory”effect.
Chemical Engineering Journal,2016,284:10-20
|
CSCD被引
2
次
|
|
|
|
|
13.
Wu Y. Adsorption of natural composite sandwich-like nanofibrous mats for heavy metals in aquatic environment.
Journal of Colloid and Interface Science,2019,539:533-544
|
CSCD被引
6
次
|
|
|
|
|
14.
Veselska V. The role of soil components in synthetic mixtures during the adsorption and speciation changes of Cr(Ⅵ):conjunction of the modeling approach with spectroscopic and isotopic investigations.
Environment International,2019,127:848-857
|
CSCD被引
1
次
|
|
|
|
|
15.
Sun J. Unravelling the adsorption disparity mechanism of heavy-metal ions on the biomass-derived hierarchically porous carbon.
Applied Surface Science,2019,471:615-620
|
CSCD被引
1
次
|
|
|
|
|
16.
Wang J. Fabrication of poly(β-cyclodextrin)-conjugated magnetic graphene oxide by surface-initiated RAFT polymerization for synergetic adsorption of heavy metal ions and organic pollutants.
Journal of Materials Chemistry A,2019,7(5):2055-2065
|
CSCD被引
1
次
|
|
|
|
|
17.
Xie A. Ultrahigh adsorption of typical antibiotics onto novel hierarchical porous carbons derived from renewable lignin via halloysite nanotubes-template and in-situ activation.
Chemical Engineering Journal,2016,304:609-620
|
CSCD被引
7
次
|
|
|
|
|
18.
Siyal A A. A review on geopolymers as emerging materials for the adsorption of heavy metals and dyes.
Journal of Environmental Management,2018,224:327-339
|
CSCD被引
17
次
|
|
|
|
|
19.
Zhang D. The physicochemical characterization, equilibrium,and kinetics of heavy metal ions adsorption from aqueous solution by arrowhead plant(Sagittaria trifolia L.)stalk.
Journal of Food Biochemistry,2018,42(1):12448
|
CSCD被引
1
次
|
|
|
|
|
20.
廖家隆. 含砷废水处理研究进展.
有色金属科学与工程,2018,9(1):86-91
|
CSCD被引
9
次
|
|
|
|
|
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