<trans-title xml:lang="en">Heteroatom-doped Biochar for Direct Dehydrogenation of Propane to Propylene</trans-title>

6. Product distribution at the same conversion (20%) (a) and conversion and olefins yield of propane (b) over different carbon catalysts at reaction temperatures of 600 ℃

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7. High-resolution O1s XPS spectra of samples BN-BC, B-BC, N-BC, and BC

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8. Stability test (a) and carbon balance during the catalytic test (b) of N-BC for direct dehydrogenation (DDH) reaction over 12 h

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S1. High-resolution B1s XPS spectra of BN-BC and B-BC (a), N1s XPS spectra of BN-BC and N-BC (b)

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Table 1. Catalytic performance of some catalysts for direct dehydrogenation of propane

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Table 1. Catalytic performance of some catalysts for direct dehydrogenation of propane

Catalyst	T/℃	X% (C₃H₈)	Y% (Olefins)	Ref.
N-BC	600	17.6	14.8	This work
BN-BC	600	14.35	12.1	This work
B-BC	600	16.31	14.1	This work
BC	600	10.58	9.1	This work
5Cr₂O₃/SBA-15	580	18.0	14.8	[24]
PtSn/HZSM-5	590	22.9	11.2	[25]
CNTs	600	9.0	7.9	[11]
GC	600	6.5	6.1	[11]

Table 1. Component analyses of samples B-BC, N-BC, BN-BC, and BC (atom fraction)
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Table 1. Component analyses of samples B-BC, N-BC, BN-BC, and BC (atom fraction)
Sample C/% N/% O/% B/%
B-BC 82.6 - 16.57 0.83
N-BC 68.38 17.2 14.42 -
BN-BC 66.13 18.65 14.09 1.13
BC 83.76 - 16.24 -

Table 2. Specific surface area, pore volume and average pore size of the samples
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Table 2. Specific surface area, pore volume and average pore size of the samples
Sample S_BET/(m²·g^-1) V_total/(cm³·g^-1) Pore diameter/nm
N-BC 1303 0.582 0.79-2.10
BN-BC 1226 0.535 0.62-4.50
B-BC 765 0.281 0.73-3.50
BC 497 0.191 0.62-0.87

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Hongyu GAN, Yan FENG, Dehong YANG, Yubin TIAN, Yang LI, Tao XING, Zhi LI, Xuebo ZHAO, Pengcheng DAI. Heteroatom-doped Biochar for Direct Dehydrogenation of Propane to Propylene[J]. Journal of Inorganic Materials, 2022, 37(10): 1058

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Paper Information

Category: RESEARCH ARTICLE

Received: Feb. 28, 2022

Accepted: --

Published Online: Jan. 12, 2023

The Author Email: DAI Pengcheng (dpcapple@upc.edu.cn)

DOI:10.15541/jim20220093

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Catalytic performance of some catalysts for direct dehydrogenation of propane

Table 1. Catalytic performance of some catalysts for direct dehydrogenation of propane

Table 1. Component analyses of samples B-BC, N-BC, BN-BC, and BC (atom fraction)

Table 1. Component analyses of samples B-BC, N-BC, BN-BC, and BC (atom fraction)

Table 2. Specific surface area, pore volume and average pore size of the samples

Table 2. Specific surface area, pore volume and average pore size of the samples

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