PMID- 29558692
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20180607
LR  - 20180607
IS  - 1095-7103 (Electronic)
IS  - 0021-9797 (Linking)
VI  - 521
DP  - 2018 Jul 1
TI  - Hollow mesoporous silica nanotubes modified with palladium nanoparticles for 
      environmental catalytic applications.
PG  - 132-140
LID - S0021-9797(18)30283-2 [pii]
LID - 10.1016/j.jcis.2018.03.041 [doi]
AB  - Nowadays, chemical catalytic methods for the treatment of organic wastes are 
      attracting more and more research attention. In the current research, novel 
      catalysts with palladium nanoparticles (Pd NPs) supported on the hollow 
      mesoporous silica nanotubes (h-mSiO(2)) were synthesized for the catalytic 
      reduction of 4-nitrophenol (4-NP) and hydrodechlorination (HDC) of 4-chlorophenol 
      (4-CP). The key point for the fabrication of the catalysts is that a certain 
      thickness of the silica shell was wrapped on the multiwalled carbon nanotubes 
      (MWNTs) or Pd/MWNTs through biphase stratification approach, and then the samples 
      were calcined to remove the MWNTs. Thereby, h-mSiO(2) and Pd@h-mSiO(2) samples 
      were obtained. The prepared materials have excellent pore structure and exhibit 
      high specific surface areas. The reduction of 4-NP by the Pd/h-mSiO(2) and 
      Pd@h-mSiO(2) catalysts showed higher TOF values than many other catalysts, and 
      the yield of HDC of 4-CP to phenol reached 100% with a low loading of Pd in water 
      solvent. The excellent catalytic activities of the Pd/h-mSiO(2) and Pd@h-mSiO(2) 
      catalysts should attribute to the excellent connectivity of the h-mSiO(2) which 
      not only can increase the accessibility of the Pd active sites but also enhance 
      the mass transfer of the reactants. It is worth mention that, there is almost no 
      Pd NPs aggregation or losing during the reaction process, and the prepared 
      catalysts still showed good catalytic activity and physical stability after 
      recycling. Moreover, the catalyst shows potential for catalytic reduction of 
      nitroarenes in a fixed bed reactor, thus could be used for continuously treat 
      nitroarenes polluted water.
CI  - Copyright (c) 2018 Elsevier Inc. All rights reserved.
FAU - Tian, Meng
AU  - Tian M
AD  - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and 
      Chemical Engineering, Gansu Provincial Engineering Laboratory for Chemical 
      Catalysis, Lanzhou University, Lanzhou 730000, PR China.
FAU - Long, Yu
AU  - Long Y
AD  - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and 
      Chemical Engineering, Gansu Provincial Engineering Laboratory for Chemical 
      Catalysis, Lanzhou University, Lanzhou 730000, PR China.
FAU - Xu, Dan
AU  - Xu D
AD  - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and 
      Chemical Engineering, Gansu Provincial Engineering Laboratory for Chemical 
      Catalysis, Lanzhou University, Lanzhou 730000, PR China.
FAU - Wei, Shuoyun
AU  - Wei S
AD  - Key Laboratory of Evidence of Science and Technology Research and Application, 
      Gansu Institute of Political Science and Law, PR China.
FAU - Dong, Zhengping
AU  - Dong Z
AD  - State Key Laboratory of Applied Organic Chemistry, College of Chemistry and 
      Chemical Engineering, Gansu Provincial Engineering Laboratory for Chemical 
      Catalysis, Lanzhou University, Lanzhou 730000, PR China. Electronic address: 
      dongzhp@lzu.edu.cn.
LA  - eng
PT  - Journal Article
DEP - 20180314
PL  - United States
TA  - J Colloid Interface Sci
JT  - Journal of colloid and interface science
JID - 0043125
OTO - NOTNLM
OT  - 4-Chlorophenol
OT  - 4-Nitrophenol
OT  - Hollow mesoporous silica nanotubes
OT  - Hydrodechlorination
OT  - Palladium nanoparticles
EDAT- 2018/03/21 06:00
MHDA- 2018/03/21 06:01
CRDT- 2018/03/21 06:00
PHST- 2018/01/16 00:00 [received]
PHST- 2018/03/11 00:00 [revised]
PHST- 2018/03/13 00:00 [accepted]
PHST- 2018/03/21 06:00 [pubmed]
PHST- 2018/03/21 06:01 [medline]
PHST- 2018/03/21 06:00 [entrez]
AID - S0021-9797(18)30283-2 [pii]
AID - 10.1016/j.jcis.2018.03.041 [doi]
PST - ppublish
SO  - J Colloid Interface Sci. 2018 Jul 1;521:132-140. doi: 10.1016/j.jcis.2018.03.041. 
      Epub 2018 Mar 14.