Preparation of Bio-Based Aerogel and Its Adsorption Properties for Organic Dyes
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characterization of Aerogels
2.2. Study of the Adsorption Properties of MB and CR
2.2.1. Effect of Solution pH
2.2.2. Effect of Contact Time
2.2.3. Influence of Ambient Temperature
2.2.4. Adsorption Kinetics, Isotherms, and Thermodynamics
2.2.5. Recycle Performance
2.2.6. Comparison of Aerogel Adsorption Performance
3. Conclusions
4. Materials and Methods
4.1. Materials
4.2. Analytical Measurements of MB and CR Concentration
4.3. Fabrication of the Aerogel
4.4. Characterization of Aerogel
4.5. Adsorption Kinetics
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Adsorbents | Dyes | Adsorption Capacity (mg/g) | Reference |
---|---|---|---|
Fe3O4@polydopamine/carboxymethyl chitosan aerogel | MB | 217.4 | [43] |
CV | 262.3 | ||
MO | 83.5 | ||
CR | 92.8 | ||
Cellulose/chitosan aerogel | CR | 380.2 | [44] |
Graphene-cellulose-polyethyleneimine aerogel | Amaranth | 369.4 | [45] |
MB | 237.3 | ||
Cellulose nanofibrils aerogel | MG | 203.7 | [46] |
Poly(propylene glycol adipate)-modified cellulose aerogel | CR | 120 | [47] |
Cellulose nanofibrils and (3-mercaptopropyl) trimethoxysilane compressible aerogels | MO | 186.7 | [48] |
Chitosan and cellulose nanofibrils aerogel | AB93 | 1428.7 | [49] |
Carboxymethyl cellulose-supported graphene oxide aerogel | rhodamine B | 312.5 | [50] |
3D graphene oxide/ι-carrageenan composite aerogel | MB | 245.3 | [51] |
Cationic cellulose nanofibrils aerogel | Blue dye CR19 | 230 | [52] |
Red dye 180 | 160 | ||
Orange dye 142 | 560 | ||
Chitin and psyllium biopolymers aerogel | CV | 227.1 | [53] |
Carboxymethyl cellulose and graphene oxide composite aerogel | MB | 245.0 | [54] |
Pineapple leaf fibers and cotton waste cellulose aerogel | MB | 34.0 g/g | [55] |
Silica aerogel/polyacrylonitrile/polyvinylidene fluoride nanofiber | BR18 | 182 | [56] |
Poly(methacrylic acid-co-2-(dimethylamino) ethyl methacrylate) and carboxylated cellulose nanofibrils aerogel | MB | 598.8 | [57] |
NGB | 621.1 | ||
MO | 892.9 | ||
Sodium alginate/cellulose nanofibers/polyethyleneimine composite aerogel | CR | 2007.5 | [58] |
MO | 2253.4 | ||
Polydopamine-Modified Cellulose Nanofibril Composite Aerogel | MB | 208 | [59] |
3D rGO/ZIF-67 aerogel | CV | 1714.2 | [60] |
CaCO3@STA/PAM/TOCN aerogel | CR | 277.76 | This work |
MB | 101.01 |
Dyes | Congo Red | Methylene Blue |
---|---|---|
Molecular formula | C32H22N6Na2O6S2 | CHN3ClS |
Molecular weight | 696.68 g/mol | 319.85 g/mol |
Structural | ||
Type of dye | Anionic dye | Cationic dye |
Maximum absorption wavelength/nm | 499 | 664 |
Standard curve | ||
Standard curve equation | y = 0.0067 x + 0.0317 | y = 0.2215 x − 0.0602 |
Correlation coefficient (R2) | 0.987 | 0.998 |
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Li, P.; Yang, C.; Xu, X.; Miao, C.; He, T.; Jiang, B.; Wu, W. Preparation of Bio-Based Aerogel and Its Adsorption Properties for Organic Dyes. Gels 2022, 8, 755. https://doi.org/10.3390/gels8110755
Li P, Yang C, Xu X, Miao C, He T, Jiang B, Wu W. Preparation of Bio-Based Aerogel and Its Adsorption Properties for Organic Dyes. Gels. 2022; 8(11):755. https://doi.org/10.3390/gels8110755
Chicago/Turabian StyleLi, Penghui, Chi Yang, Xuewen Xu, Chen Miao, Tianjiao He, Bo Jiang, and Wenjuan Wu. 2022. "Preparation of Bio-Based Aerogel and Its Adsorption Properties for Organic Dyes" Gels 8, no. 11: 755. https://doi.org/10.3390/gels8110755