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Synthesis and Characterization of Silica-Supported Boron Oxide Catalysts for the Oxidative Dehydrogenation of Propane

Journal Article · · Journal of Physical Chemistry. C
 [1];  [1];  [2];  [1];  [1];  [1];  [1];  [1];  [3];  [1]
  1. Univ. of Wisconsin, Madison, WI (United States)
  2. Ames Lab., Ames, IA (United States)
  3. Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States)
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We report on the oxidative dehydrogenation (ODH) activity of silica-supported boron oxide prepared via incipient wetness impregnation. Characterization of pristine and spent catalysts with infrared, Raman, and solid-state NMR spectroscopy reveals the presence of both isolated and aggregated oxidized boron sites. The results of these investigations, in combination with our earlier work on bulk boron-containing ODH catalysts (e.g., h-BN, metal borides, and elemental boron), give direct evidence that oxidized boron species formed in situ on the surface of these materials are responsible for the exceptional catalytic behavior. Furthermore, we anticipate that investigation of supported boron materials can provide insight into the structural characteristics required for selective boron-containing ODH catalysts.
Research Organization:
Ames Laboratory (AMES), Ames, IA (United States); Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-07CH11358; SC0017918
OSTI ID:
1579931
Alternate ID(s):
OSTI ID: 1866368
Report Number(s):
IS-J--10107
Journal Information:
Journal of Physical Chemistry. C, Journal Name: Journal of Physical Chemistry. C Journal Issue: 44 Vol. 123; ISSN 1932-7447
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

Figures / Tables (8)

Figure 1(p. 13)figure Figure 1
Figure 2(p. 15)figure Figure 2
Figure 3(p. 16)figure Figure 3
Figure 4(p. 19)figure Figure 4
Figure 5(p. 20)figure Figure 5
Figure 6(p. 26)figure Figure 6
Figure 7(p. 29)figure Figure 7
Table 1(p. 32)table Table 1

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Related Subjects

03 NATURAL GAS
36 MATERIALS SCIENCE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
42 ENGINEERING
Boron
Boron Nitride
Boron-Based Catalysis
Propane
Propylene
Oxidative Dehydrogenation
Light Alkanes
Olefins
Silica
Solid-State NMR