Issue 17, 2020, Issue in Progress

Diatomite/Cu/Al layered double hydroxide hybrid composites for polyethylene degradation

Abstract

A diatomite/Cu/Al layered double hydroxide hybrid composite (DI-LDH) was synthesized using the hydrothermal method. The synthesized DI-LDH composites were characterized via X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) and the Brunauer–Emmett–Teller (BET) method. Polyethylene degradation over DI-LDH was studied in a batch reactor. DI-LDH showed layered structures, indicating that the diatomite/Cu/Al double hydroxide hybrid was successfully synthesized. A significant decrease in the degradation temperature and the released amounts of CO and CO2 was observed in the DI-LDH catalytic degradation reaction, which indicated that DI-LDH was helpful for the polyethylene degradation reaction. The X-ray photoelectron spectroscopy (XPS) results suggested that the reaction of Cu2+ → Cu+ occurred in polyethylene catalytic pyrolysis, which resulted in the decrease in the released CO amount. DI-LDH may be a potential environmental catalyst that can be applied to treat LDPE waste.

Graphical abstract: Diatomite/Cu/Al layered double hydroxide hybrid composites for polyethylene degradation

Article information

Article type
Paper
Submitted
26 Dec 2019
Accepted
08 Feb 2020
First published
06 Mar 2020
This article is Open Access
Creative Commons BY license

RSC Adv., 2020,10, 9808-9813

Diatomite/Cu/Al layered double hydroxide hybrid composites for polyethylene degradation

N. Fu, S. Zhang, Y. Ma, Z. Yang and W. Liu, RSC Adv., 2020, 10, 9808 DOI: 10.1039/C9RA10940D

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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