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Nanoporous Copper Doped Aluminium Pillared Montmorillonite for Dye‐containing Wastewater Treatment
Author(s) -
Tepmatee Pratyaporn,
Siriphan Punnama
Publication year - 2016
Publication title -
water environment research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.356
H-Index - 73
eISSN - 1554-7531
pISSN - 1061-4303
DOI - 10.2175/106143015x14362865227076
Subject(s) - montmorillonite , adsorption , copper , mesoporous material , aluminium , nanoporous , nuclear chemistry , calcination , materials science , desorption , wastewater , chemical engineering , catalysis , chemistry , metallurgy , organic chemistry , nanotechnology , composite material , waste management , engineering
Copper doped aluminium pillared montmorillonite (Cu‐Alpill‐MMT) was prepared by adding Cu 2+ into the suspension of aluminium pillared montmorillonite (Alpill‐MMT) using high power ultrasonic treatment and calcining to CuO at 500 °C. The XRD and XRF data revealed that the doped CuO partially occupied both internal and external surfaces of the Alpill‐MMT. The N 2 adsorption/desorption analysis showed that the Cu‐Alpill‐MMT consisted of slit‐like mesopores with two ranges of pore diameter, i.e. ~3.8 nm and ~6‐30 nm. The Cu‐Alpill‐MMT exhibited the superior adsorption capacity for Basic Yellow 1 (BY1), however, it hardly adsorbed Reactive Orange 16 (RO16). The decolorization of RO16 was achieved when the H 2 O 2 or H 2 O 2 /UV was introduced into the treatment system together with the Cu‐Alpill‐MMT, acting as heterogeneous catalyst for Fenton or photo‐Fenton oxidation processes, respectively. The Cu‐Alpill‐MMT could exhibit the antibacterial activity after intimate contact with Escherichia coli ATCC®25922 under JIS L 1902: 1998 (Qualitative) test method.