Dual-dehydrogenation-promoted catalytic oxidation of formaldehyde on alkali-treated Pt clusters at room temperature

In this work, a series of natural mordenite-supported platinum (Pt) catalysts were prepared by a facile two-step method, namely, treatment of natural mordenite and then the loading of Pt nanoparticles. The acid-alkali-treated natural mordenite-supported Pt samples (1% Pt/MORn-H-OH) exhibited the highly enhanced catalytic oxidation activity of formaldehyde (HCHO) at room temperature. XRD results showed that the crystalline phase of the mordenite did not change significantly in 1% Pt/MORn-H-OH catalyst. However, the acid-alkali treatment endowed the Pt particles excellent dispersion with the smallest diameter of 2.8 nm in a high loading content, which contributed to the optimal catalytic activity of 1% Pt/MORn-H-OH.

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Influence of alkali metals on Pd/TiO2 catalysts for catalytic oxidation of formaldehyde at room temperature

Catalysis Science & Technology ◽

10.1039/c5cy01521a ◽

2016 ◽

Vol 6 (7) ◽

pp. 2289-2295 ◽

Cited By ~ 58

Author(s):

Yaobin Li ◽

Changbin Zhang ◽

Hong He ◽

Jianghao Zhang ◽

Min Chen

Keyword(s):

Catalytic Oxidation ◽

Alkali Metals ◽

Room Temperature ◽

Promotion Effect

We previously observed that sodium (Na) addition had a dramatic promotion effect on Pd/TiO2 catalysts for formaldehyde (HCHO) oxidation.

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Remarkable promoting effects of BiOCl on the room-temperature selective oxidation of benzyl alcohol over supported Pt catalysts

New Journal of Chemistry ◽

10.1039/c8nj00323h ◽

2018 ◽

Vol 42 (11) ◽

pp. 8979-8984 ◽

Cited By ~ 3

Author(s):

Juanjuan Liu ◽

Feng Han ◽

Lingze Chen ◽

Linfang Lu ◽

Shihui Zou ◽

...

Keyword(s):

Benzyl Alcohol ◽

Selective Oxidation ◽

Room Temperature ◽

Catalytic Performance ◽

Pt Catalysts ◽

Oxidation Of Benzyl Alcohol ◽

Supported Pt Catalysts

BiOCl, in addition to traditional Bi metal, could remarkably promote the catalytic performance of Pt/MOx in the selective oxidation of benzyl alcohol.

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Hydroxyapatite-Supported Low-Content Pt Catalysts for Efficient Removal of Formaldehyde at Room Temperature

ACS Omega ◽

10.1021/acsomega.9b03068 ◽

2019 ◽

Vol 4 (26) ◽

pp. 21998-22007 ◽

Cited By ~ 6

Author(s):

Zhihua Xu ◽

Gang Huang ◽

Zhaoxiong Yan ◽

Nenghuan Wang ◽

Lin Yue ◽

...

Keyword(s):

Room Temperature ◽

Pt Catalysts ◽

Efficient Removal

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Selective hydrogenation of cinnamaldehyde to cinnamyl alcohol over BN-supported Pt catalysts at room temperature

Applied Catalysis A General ◽

10.1016/j.apcata.2019.04.006 ◽

2019 ◽

Vol 578 ◽

pp. 105-115 ◽

Cited By ~ 11

Author(s):

Zhang Cao ◽

Jiahao Bu ◽

Zeqin Zhong ◽

Changyong Sun ◽

Qingsong Zhang ◽

...

Keyword(s):

Selective Hydrogenation ◽

Room Temperature ◽

Pt Catalysts ◽

Cinnamyl Alcohol ◽

Supported Pt Catalysts

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A single iron site confined in a graphene matrix for the catalytic oxidation of benzene at room temperature

Science Advances ◽

10.1126/sciadv.1500462 ◽

2015 ◽

Vol 1 (11) ◽

pp. e1500462 ◽

Cited By ~ 376

Author(s):

Dehui Deng ◽

Xiaoqi Chen ◽

Liang Yu ◽

Xing Wu ◽

Qingfei Liu ◽

...

Keyword(s):

Electron Microscopy ◽

Transmission Electron Microscopy ◽

Low Temperature ◽

Catalytic Oxidation ◽

Room Temperature ◽

Single Atom ◽

Intermediate Structure ◽

Oxidation Reactions ◽

Transmission Electron ◽

Oxidation Of Benzene

Coordinatively unsaturated (CUS) iron sites are highly active in catalytic oxidation reactions; however, maintaining the CUS structure of iron during heterogeneous catalytic reactions is a great challenge. Here, we report a strategy to stabilize single-atom CUS iron sites by embedding highly dispersed FeN4 centers in the graphene matrix. The atomic structure of FeN4 centers in graphene was revealed for the first time by combining high-resolution transmission electron microscopy/high-angle annular dark-field scanning transmission electron microscopy with low-temperature scanning tunneling microscopy. These confined single-atom iron sites exhibit high performance in the direct catalytic oxidation of benzene to phenol at room temperature, with a conversion of 23.4% and a yield of 18.7%, and can even proceed efficiently at 0°C with a phenol yield of 8.3% after 24 hours. Both experimental measurements and density functional theory calculations indicate that the formation of the Fe═O intermediate structure is a key step to promoting the conversion of benzene to phenol. These findings could pave the way toward highly efficient nonprecious catalysts for low-temperature oxidation reactions in heterogeneous catalysis and electrocatalysis.

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An experimental investigation of catalytic oxidation of propane using temperature controlled Pt, Pd, SnO2, and 90% SnO2–10% Pt catalysts

Catalysis Science & Technology ◽

10.1039/c2cy20512b ◽

2013 ◽

Vol 3 (3) ◽

pp. 618-625 ◽

Cited By ~ 1

Author(s):

J. T. Wiswall ◽

M. S. Wooldridge ◽

H. G. Im

Keyword(s):

Experimental Investigation ◽

Catalytic Oxidation ◽

Pt Catalysts ◽

Temperature Controlled

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Surface oxygen vacancies on Co3O4 mediated catalytic formaldehyde oxidation at room temperature

Catalysis Science & Technology ◽

10.1039/c5cy01709b ◽

2016 ◽

Vol 6 (11) ◽

pp. 3845-3853 ◽

Cited By ~ 103

Author(s):

Zhong Wang ◽

Wenzhong Wang ◽

Ling Zhang ◽

Dong Jiang

Keyword(s):

Catalytic Oxidation ◽

Room Temperature ◽

Oxygen Vacancies ◽

Essential Role ◽

Surface Oxygen ◽

Oxidation Reactions ◽

Major Activity ◽

Formaldehyde Oxidation ◽

The Common

This study reveals the essential role played by surface oxygen vacancies in catalytic oxidation reactions, and complements the common viewpoint that Co3+ is the major activity species in Co3O4-based systems.

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