PMID- 38224437
OWN - NLM
STAT- MEDLINE
DCOM- 20240216
LR  - 20240218
IS  - 1614-7499 (Electronic)
IS  - 0944-1344 (Print)
IS  - 0944-1344 (Linking)
VI  - 31
IP  - 8
DP  - 2024 Feb
TI  - Photocatalytic degradation of 2,4-dichlorophenol using nanomaterials silver 
      halide catalysts.
PG  - 11857-11872
LID - 10.1007/s11356-024-31921-1 [doi]
AB  - In this study, the photocatalytic activity of nanomaterials Ag/AgX (X = Cl, Br, 
      I) is reported. Highly efficient silver halide (Ag/AgX where X = Cl, Br, I) 
      photocatalysts were synthesized through a hydrothermal method. The samples were 
      characterized using a range of techniques such as X-ray diffraction (XRD), 
      scanning electron microscopy (SEM), and Brunauer-Emmett-Teller (BET) to check 
      their structural, morphology, textural and optical properties. In addition, the 
      photocatalytic activity of photocatalysts was evaluated through the degradation 
      of 2,4-dichlorophenol (2,4-DCP) under UV and visible light irradiation. XRD 
      analysis confirmed the presence of a single-phase structure (pure phase) in the 
      synthesized photocatalysts. SEM micrographs showed agglomeration with a 
      non-uniform distribution of particles, which is a characteristic of 
      surfactant-free precipitation reactions in aqueous media. The Ag/AgBr 
      photocatalyst exhibited the best degradation efficiency, resulting in 83.37% and 
      89.39% photodegradation after 5 h of UV and visible light irradiation, 
      respectively. The effect of catalyst loading, initial solution pH, and 2,4-DCP 
      concentration was investigated for the best-performing Ag/AgBr photocatalyst. The 
      degradation kinetics were best described by the pseudo-first-order 
      Langmuir-Hinshelwood model. The photocatalytic capacity of Ag/AgBr decreased by 
      50% after five reuse cycles. SEM images revealed heightened levels of 
      photodegradation on the catalyst surface. The study proved the feasibility of 
      using simple synthesis methods to produce visible light active photocatalysts 
      capable of degrading refractory phenolic pollutants in aqueous systems.
CI  - (c) 2024. Crown.
FAU - Moja, Mahlako Mary
AU  - Moja MM
AD  - Department of Chemical Engineering, University of Pretoria, Pretoria, 0002, South 
      Africa.
FAU - Mapossa, Antonio Benjamim
AU  - Mapossa AB
AD  - Department of Chemical Engineering, University of Pretoria, Pretoria, 0002, South 
      Africa. mapossabenjox@gmail.com.
AD  - Department of Chemical and Petroleum Engineering, University of Calgary, 2500 
      University Drive NW, Calgary, AB, T2N 1N4, Canada. mapossabenjox@gmail.com.
FAU - Chirwa, Evans Martin Nkhalambayausi
AU  - Chirwa EMN
AD  - Department of Chemical Engineering, University of Pretoria, Pretoria, 0002, South 
      Africa.
FAU - Tichapondwa, Shepherd
AU  - Tichapondwa S
AD  - Department of Chemical Engineering, University of Pretoria, Pretoria, 0002, South 
      Africa.
LA  - eng
PT  - Journal Article
DEP - 20240115
PL  - Germany
TA  - Environ Sci Pollut Res Int
JT  - Environmental science and pollution research international
JID - 9441769
RN  - 3M4G523W1G (Silver)
RN  - R669TG1950 (2,4-dichlorophenol)
RN  - 0 (Phenols)
RN  - 059QF0KO0R (Water)
RN  - 0 (Chlorophenols)
SB  - IM
MH  - *Silver/chemistry
MH  - Light
MH  - Phenols
MH  - *Nanostructures
MH  - Water/chemistry
MH  - Catalysis
MH  - *Chlorophenols
PMC - PMC10869396
OTO - NOTNLM
OT  - Advanced oxidation processes
OT  - Photocatalysts
OT  - Visible light
OT  - Wastewater treatment
COIS- The authors declare no competing interests.
EDAT- 2024/01/15 12:42
MHDA- 2024/02/16 06:43
PMCR- 2024/01/15
CRDT- 2024/01/15 11:08
PHST- 2023/09/20 00:00 [received]
PHST- 2024/01/04 00:00 [accepted]
PHST- 2024/02/16 06:43 [medline]
PHST- 2024/01/15 12:42 [pubmed]
PHST- 2024/01/15 11:08 [entrez]
PHST- 2024/01/15 00:00 [pmc-release]
AID - 10.1007/s11356-024-31921-1 [pii]
AID - 31921 [pii]
AID - 10.1007/s11356-024-31921-1 [doi]
PST - ppublish
SO  - Environ Sci Pollut Res Int. 2024 Feb;31(8):11857-11872. doi: 
      10.1007/s11356-024-31921-1. Epub 2024 Jan 15.