PMID- 32387832
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20200728
LR  - 20200728
IS  - 1873-3336 (Electronic)
IS  - 0304-3894 (Linking)
VI  - 397
DP  - 2020 Oct 5
TI  - A strategy for the efficient removal of chlorophenols in petrochemical wastewater 
      by organophilic and aminated silica@alginate microbeads: Taguchi optimization and 
      isotherm modeling based on partition coefficient.
PG  - 122792
LID - S0304-3894(20)30781-0 [pii]
LID - 10.1016/j.jhazmat.2020.122792 [doi]
AB  - Through in situ encapsulation of cetyltrimethylammonium bromide (CTAB) and 
      urea-functionalized SiO(2) nanoparticles in alginate hydrogel, two types of new 
      functionalized microbeads, CTAB-SiO(2)@alginate (organophilic) and 
      urea-SiO(2)@alginate (aminated), were produced. Their adsorption behavior toward 
      multiple chlorophenols (CPs: e.g., 4-chlorophenol (MCP), 2,4-dichlorophenol 
      (DCP), and 2,4,6-trichlorophenol (TCP)) in petrochemical wastewater was assessed 
      with the aid of Taguchi's L9 orthogonal array at three levels. In terms of the 
      partition coefficient (PC: mumol/g.muM (or L/g)), the use of three-parameter models 
      (hybrid Langmuir-Freundlich and Redlich-Peterson) yielded the best fit (R(2)  approximately  
      1). Furthermore, the performance evaluation in terms of PC metric indicated that 
      CTAB-SiO(2)@alginate (7.85 L/g) was better to treat total CPs than urea-modified 
      SiO(2)@alginate microbeads (3.83 L/g). The enhanced performance of the former 
      reflects the significant contribution of CTAB functionality (sp(2) carbon tail 
      and quaternary amine (N(+)) cationic head sites) for accelerating uptake of 
      molecular (or suspended) and ionizable CPs molecules (e.g., with the aid of 
      salting-out effect at a high initial CPs concentration and salinity) via 
      hydrophobic/electrostatic interactions. The high performance of the 
      CTAB-SiO(2)@alginate was demonstrated against petroleum hydrocarbons, CPs, and 
      phenol contaminants using real petrochemical wastewater (up to three reusable 
      cycles).
CI  - Copyright (c) 2020 Elsevier B.V. All rights reserved.
FAU - Younis, Sherif A
AU  - Younis SA
AD  - Analysis and Evaluation Department, Egyptian Petroleum Research Institute (EPRI), 
      Nasr City, 11727, Cairo, Egypt; Liquid Chromatography and Water Analysis Unit, 
      EPRI-Central Laboratories, Nasr City, 11727, Cairo, Egypt; Department of Civil 
      and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 
      04763, Republic of Korea.
FAU - Motawea, Eman A
AU  - Motawea EA
AD  - Analysis and Evaluation Department, Egyptian Petroleum Research Institute (EPRI), 
      Nasr City, 11727, Cairo, Egypt; Liquid Chromatography and Water Analysis Unit, 
      EPRI-Central Laboratories, Nasr City, 11727, Cairo, Egypt.
FAU - Moustafa, Yasser M
AU  - Moustafa YM
AD  - Analysis and Evaluation Department, Egyptian Petroleum Research Institute (EPRI), 
      Nasr City, 11727, Cairo, Egypt; Liquid Chromatography and Water Analysis Unit, 
      EPRI-Central Laboratories, Nasr City, 11727, Cairo, Egypt. Electronic address: 
      ymoustafa12@yahoo.com.
FAU - Lee, Jechan
AU  - Lee J
AD  - Department of Environmental and Safety Engineering, Ajou University, Suwon, 
      16499, Republic of Korea.
FAU - Kim, Ki-Hyun
AU  - Kim KH
AD  - Department of Civil and Environmental Engineering, Hanyang University, 222 
      Wangsimni-Ro, Seoul, 04763, Republic of Korea. Electronic address: 
      kkim61@hanyang.ac.kr.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20200424
PL  - Netherlands
TA  - J Hazard Mater
JT  - Journal of hazardous materials
JID - 9422688
SB  - IM
OTO - NOTNLM
OT  - CTAB and urea functionalities
OT  - Chlorophenols pollutants
OT  - Partition coefficient
OT  - SiO(2)-alginate microbeads
OT  - Taguchi optimization
COIS- Declaration of Competing Interest There is no competing interests.
EDAT- 2020/05/11 06:00
MHDA- 2020/05/11 06:01
CRDT- 2020/05/11 06:00
PHST- 2019/10/29 00:00 [received]
PHST- 2020/04/04 00:00 [revised]
PHST- 2020/04/19 00:00 [accepted]
PHST- 2020/05/11 06:00 [pubmed]
PHST- 2020/05/11 06:01 [medline]
PHST- 2020/05/11 06:00 [entrez]
AID - S0304-3894(20)30781-0 [pii]
AID - 10.1016/j.jhazmat.2020.122792 [doi]
PST - ppublish
SO  - J Hazard Mater. 2020 Oct 5;397:122792. doi: 10.1016/j.jhazmat.2020.122792. Epub 
      2020 Apr 24.