Long-root Eichhornia crassipes waste plants dual-purpose resource utilization: green preparation of magnetic carbon quantum dots for heavy metal deep removal

Yihong Guo , Mingxin Cui , Hongjun Yang , Jun Chen , Sen Lin

Bioresources and Bioprocessing ›› 2026, Vol. 13 ›› Issue (1) : 60

PDF
Bioresources and Bioprocessing ›› 2026, Vol. 13 ›› Issue (1) :60 DOI: 10.1186/s40643-026-01064-x
Research
research-article
Long-root Eichhornia crassipes waste plants dual-purpose resource utilization: green preparation of magnetic carbon quantum dots for heavy metal deep removal
Author information +
History +
PDF

Keywords

Adsorption / Carbon quantum dots / Heavy metals / Long-root Eichhornia crassipes / Magnetic nanopartion

Cite this article

Download citation ▾
Yihong Guo, Mingxin Cui, Hongjun Yang, Jun Chen, Sen Lin. Long-root Eichhornia crassipes waste plants dual-purpose resource utilization: green preparation of magnetic carbon quantum dots for heavy metal deep removal. Bioresources and Bioprocessing, 2026, 13(1): 60 DOI:10.1186/s40643-026-01064-x

登录浏览全文

4963

注册一个新账户 忘记密码

References

[1]

Abboud M, Youssef S, Podlecki J, et al.. Superparamagnetic Fe3O4 nanoparticles, synthesis and surface modification. Mater Sci Semiconduct Process, 2015, 39: 641-648

[2]

Ali AO, Aboulrous AA, Mubarak MF, et al.. Advanced Magnetic Carbon Quantum Dots Nanocomposite for Enhanced Removal of Zinc and Ferric Ions From Geothermal Wastewater: Synthesis, Characterization, and Performance Evaluation. ChemistrySelect, 2025, 10: e05293

[3]

Bao L, Zhang Z-L, Tian Z-Q, et al.. Electrochemical Tuning of Luminescent Carbon Nanodots: From Preparation to Luminescence Mechanism. Adv Mater, 2011, 23: 5801-5806

[4]

Berdimurodov E, Elangovan N, Kumar A, et al.. Recent advancements in application of carbohydrate-derived carbon quantum dots in analytical chemistry: a comprehensive update. Bioresoures Bioprocess, 2025, 12: 121

[5]

Bilgili MS. Adsorption of 4-chlorophenol from aqueous solutions by xad-4 resin: Isotherm, kinetic, and thermodynamic analysis. J Hazard Mater, 2006, 137: 157-164

[6]

Cao F, Lian C, Yu J, et al.. Study on the adsorption performance and competitive mechanism for heavy metal contaminants removal using novel multi-pore activated carbons derived from recyclable long-root Eichhornia crassipes. Bioresour Technol, 2019, 276: 211-218

[7]

Chen D, Li Y, Zhang J, et al.. Magnetic Fe3O4/ZnCr-layered double hydroxide composite with enhanced adsorption and photocatalytic activity. Chem Eng J, 2012, 185–186: 120-126

[8]

Chen J, Lin S, Yu J. Quantitative effects of Fe3O4 nanoparticle content on Li+ adsorption and magnetic recovery performances of magnetic lithium-aluminum layered double hydroxides in ultrahigh Mg/Li ratio brines. J Hazard Mater, 2020, 388: 122101

[9]

Chen J, Lin S, Yu J. High-selective cyclic adsorption and magnetic recovery performance of magnetic lithium-aluminum layered double hydroxides (MLDHs) in extracting Li+ from ultrahigh Mg/Li ratio brines. Sep Purif Technol, 2021, 255: 117710

[10]

Chen M, Fang Z, Xu L, et al.. Enhancement of photo-driven biomethanation under visible light by nano-engineering of Rhodopseudomonas palustris. Bioresources Bioprocess, 2021, 8: 30

[11]

Chen Q, Rong S, Cen Y, et al.. A facile fluorescent sensor based on carbon dots and Fe3O4 nanoplates for the detection of hyaluronidase activity. Sens Actuators B, 2021, 346: 130434

[12]

Cheung WH, Szeto YS, McKay G. Intraparticle diffusion processes during acid dye adsorption onto chitosan. Bioresour Technol, 2007, 98: 2897-2904

[13]

Ðorđević L. A multifunctional chemical toolbox to engineer carbon dots for biomedical and energy applications. Nat Nanotechnol, 2022, 17: 112-130

[14]

Durairaj A, Maruthapandi M, Luong JHT, et al.. Enhanced UV Protection, Heavy Metal Detection, and Antibacterial Properties of Biomass-Derived Carbon Dots Coated on Protective Fabrics. ACS Appl Bio Mater, 2022, 5: 5790-5799

[15]

El Ghacham S, Aoulad El Hadj Ali Y, Hejji L, et al.. Efficiency of magnetite decorated with carbon quantum dot nanocomposites for the adsorptive removal of methylene blue from wastewater: Kinetic and modeling studies. J Mol Liq, 2025, 424: 127128

[16]

Huang S, Jiang S, Pang H, et al.. Dual functional nanocomposites of magnetic MnFe2O4 and fluorescent carbon dots for efficient U(VI) removal. Chem Eng J, 2019, 368: 941-950

[17]

Jia Z, Hu J, Lu P, Wang Y. Carbon quantum dots from carbohydrate-rich residue of birch obtained following lignin-first strategy. Bioresour Technol, 2024, 408: 131206

[18]

Kunnath Parambil NS, Dasan A, Premkumar AT, et al.. Blue luminescent carbon quantum dots derived from diverse banana peels for selective sensing of Fe(III) ions. Sens Int, 2025, 6: 100301

[19]

Li R, Liang W, Li M, et al.. Removal of Cd(II) and Cr(VI) ions by highly cross-linked Thiocarbohydrazide-chitosan gel. Int J Biol Macromol, 2017, 104: 1072-1081

[20]

Lima EC, Hosseini-Bandegharaei A, Moreno-Piraján JC, Anastopoulos I. A critical review of the estimation of the thermodynamic parameters on adsorption equilibria. Wrong use of equilibrium constant in the Van’t Hoof equation for calculation of thermodynamic parameters of adsorption. J Mol Liq, 2019, 273: 425-434

[21]

Lin S, Wang G, Na Z, et al.. Long-root Eichhornia crassipes as a biodegradable adsorbent for aqueous As(III) and As(V). Chem Eng J, 2012, 183: 365-371

[22]

Lin S, Yang H, Na Z, Lin K. A novel biodegradable arsenic adsorbent by immobilization of iron oxyhydroxide (FeOOH) on the root powder of long-root Eichhornia crassipes. Chemosphere, 2018, 192: 258-266

[23]

Lin S, Huang W, Yang H, et al.. Recycling application of waste long-root Eichhornia crassipes in the heavy metal removal using oxidized biochar derived as adsorbents. Bioresour Technol, 2020, 314: 123749

[24]

Lin S, Guo Y, Zhou L, Yang H. Quantitative effects of surface oxidation on biochar derived from long-root Eichhornia crassipes plants as Cd2 + adsorbent. Bioresource Technol Rep, 2022, 17: 100937

[25]

Liu L, Hu S, Shen G, et al.. Adsorption dynamics and mechanism of aqueous sulfachloropyridazine and analogues using the root powder of recyclable long-root Eichhornia crassipes. Chemosphere, 2018, 196: 409-417

[26]

Liu L, Sim SF, Lin S, et al.. Integrated structural and chemical analyses for HCl-supported hydrochar and their adsorption mechanisms for aqueous sulfachloropyridazine removal. J Hazard Mater, 2021, 417: 126009

[27]

Luo Q, Huang X, Luo Y, et al.. Fluorescent chitosan-based hydrogel incorporating titanate and cellulose nanofibers modified with carbon dots for adsorption and detection of Cr(VI). Chem Eng J, 2021, 407: 127050

[28]

Mahesh S, Lekshmi CL, Renuka KD, Joseph K. Simple and Cost-Effective Synthesis of Fluorescent Graphene Quantum Dots from Honey: Application as Stable Security Ink and White-Light Emission. Part Part Syst Charact, 2016, 33: 70-74

[29]

Mashkani M, Mehdinia A, Jabbari A, et al.. Preconcentration and extraction of lead ions in vegetable and water samples by N-doped carbon quantum dot conjugated with Fe3O4 as a green and facial adsorbent. Food Chem, 2018, 239: 1019-1026

[30]

Nguyen TN, Le PA, Phung VBT. Facile green synthesis of carbon quantum dots and biomass-derived activated carbon from banana peels: synthesis and investigation. Biomass Conv Bioref, 2022, 12: 2407-2416

[31]

Pourshojaei Y, Nasiri A, Asadollahzadeh H, et al.. Developing a magnetic nanocomposite adsorbent based on carbon quantum dots prepared from Pomegranate peel for the removal of Pb(II) and Cd(II) ions from aqueous solution. Anal Method Environ Chem J, 2021, 4: 33-46

[32]

Saah F, Nagpal G, Gbawoquiyq F, Chaudhary R. Groundnut shell carbon quantum dot magnetic iron oxide nanocomposite (GSCQD-FeFe2O4) for lead removal from water. Zas Mat, 2024, 65: 440-451

[33]

Tian L, Ghosh D, Chen W, et al.. Nanosized Carbon Particles From Natural Gas Soot. Chem Mater, 2009, 21: 2803-2809

[34]

Wang Y, Hu A. Carbon quantum dots: synthesis, properties and applications. J Mater Chem C, 2014, 2: 6921

[35]

Wang L, Li W, Wu B, et al.. Facile synthesis of fluorescent graphene quantum dots from coffee grounds for bioimaging and sensing. Chem Eng J, 2016, 300: 75-82

[36]

Yang S-T, Cao L, Luo PG, et al.. Carbon Dots for Optical Imaging in Vivo. J Am Chem Soc, 2009, 131: 11308-11309

[37]

Zhu S, Meng Q, Wang L, et al.. Highly Photoluminescent Carbon Dots for Multicolor Patterning, Sensors, and Bioimaging. Angew Chem, 2013, 125: 4045-4049

Funding

National Natural Science Foundation of China(92475114)

RIGHTS & PERMISSIONS

The Author(s)

PDF

10

Accesses

0

Citation

Detail

Sections
Recommended

/