New Methyl Methacrylate Derived Adsorbents – Synthesis, Characterization and Adsorptive Removal of Toxic Organic Compounds
Journal
ChemPhysChem
Date Issued
2023-10-29
Author(s)
Monika Wawrzkiewicz, Beata Podkościelna, Przemysław Podkościelny and Jadranka Blazhevska Gilev
DOI
doi.org/10.1002/cphc.202300719
Abstract
This study aimed to synthesize polymeric adsorbents by
suspension polymerization using methyl methacrylate (MMA)
with different crosslinking monomers. Divinylbenzene (DVB)
and aliphatic monomers: ethylene glycol dimethacrylate (EGDMA) or N,N’-methylenebisacrylamide (NN) containing additional
amide groups were used. The possibility of using the prepared
copolymers (MMA-NN, MMA-EGDMA, MMA-DVB) as adsorbents
for the removal of toxic compounds such as dyes (C.I. Acid Red
18 (AR18), C.I. Acid Green 16 (AG16), C.I. Acid Violet 1 (AV1), C.I.
Basic Yellow 2 (BY2), C.I. Basic Blue 3 (BB3) and C.I. Basic Red 46
(BR46)) and phenol (PhOH) from dye baths and effluents was
evaluated. Preferential adsorption of basic-type dyes compared
to acid-type dyes or phenol was observed by the polymers.
Adsorbent based on MMA-EGDMA exhibited the highest
capacity for investigated dyes and phenol. The pseudo-second
order kinetic model as well as the intraparticle diffusion model
can find application in predicting sorption kinetics. Based on
the equilibrium sorption data fitted to the Langmuir, Freundlich,
Temkin and Dubinin-Radushkevich model, uptake of BB3, AV1
and PhOH is rather physisorption than chemisorption. The
regeneration yield of MMA-EGDMA does not exceed 60 % using
1 M HCl, 1 M NaCl, and 1 M NaOH in 50%v/v methanol.
suspension polymerization using methyl methacrylate (MMA)
with different crosslinking monomers. Divinylbenzene (DVB)
and aliphatic monomers: ethylene glycol dimethacrylate (EGDMA) or N,N’-methylenebisacrylamide (NN) containing additional
amide groups were used. The possibility of using the prepared
copolymers (MMA-NN, MMA-EGDMA, MMA-DVB) as adsorbents
for the removal of toxic compounds such as dyes (C.I. Acid Red
18 (AR18), C.I. Acid Green 16 (AG16), C.I. Acid Violet 1 (AV1), C.I.
Basic Yellow 2 (BY2), C.I. Basic Blue 3 (BB3) and C.I. Basic Red 46
(BR46)) and phenol (PhOH) from dye baths and effluents was
evaluated. Preferential adsorption of basic-type dyes compared
to acid-type dyes or phenol was observed by the polymers.
Adsorbent based on MMA-EGDMA exhibited the highest
capacity for investigated dyes and phenol. The pseudo-second
order kinetic model as well as the intraparticle diffusion model
can find application in predicting sorption kinetics. Based on
the equilibrium sorption data fitted to the Langmuir, Freundlich,
Temkin and Dubinin-Radushkevich model, uptake of BB3, AV1
and PhOH is rather physisorption than chemisorption. The
regeneration yield of MMA-EGDMA does not exceed 60 % using
1 M HCl, 1 M NaCl, and 1 M NaOH in 50%v/v methanol.
Subjects
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