Spectroscopic Characterization of Carbon Structure in High Sulfur Fat Coal

Tao GE; Yang LI; Meng Wang; Ping CHEN; Fan-fei MIN; Ming-xu ZHANG; [in Chinese]

doi:10.3964/j.issn.1000-0593(2021)01-0045-07

Journals >Spectroscopy and Spectral Analysis >Volume 41 >Issue 1 >Page 45 > Article

Spectroscopy and Spectral Analysis
Vol. 41, Issue 1, 45 (2021)

Spectroscopic Characterization of Carbon Structure in High Sulfur Fat Coal

Tao GE^1、1, Yang LI^1、1, Meng Wang^1、1, Ping CHEN^1、1, Fan-fei MIN^1、1, Ming-xu ZHANG^1、1, and [in Chinese]^1、1

Author Affiliations

¹[in Chinese]

¹1. Department of Material Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China

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DOI: 10.3964/j.issn.1000-0593(2021)01-0045-07 Cite this Article

Tao GE, Yang LI, Meng Wang, Ping CHEN, Fan-fei MIN, Ming-xu ZHANG, [in Chinese]. Spectroscopic Characterization of Carbon Structure in High Sulfur Fat Coal[J]. Spectroscopy and Spectral Analysis, 2021, 41(1): 45 Copy Citation Text

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Fig. 1. XRD spectrum of coal sample

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Fig. 2. Fat coal XRD 002 peak fitting spectrum

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Fig. 3. FTIR spectrum of coal sample

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Fig. 4. FTIR fitting spectrum of aromatic structure

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Fig. 5. FTIR fitting spectrum of aliphatic structure

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Fig. 6. XPS spectrum of coal sample

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Fig. 7. Fatcoal XPS [C(1s)] fitting spectrum

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煤样	工业分析/%			元素分析/%					H/C
煤样	M_ad	A_d	V_d	C_d	H_d	O_d	N_d	S_d	H/C
DT	1.12	6.53	36.59	81.45	5.39	8.52	1.52	3.12	0.80
SY	0.90	8.80	17.35	86.71	4.46	4.32	1.39	3.12	0.62
HZ	1.37	10.5	19.07	86.74	4.38	4.99	1.04	2.85	0.61
GY	1.60	12.13	34.67	84.78	5.30	5.52	1.29	3.11	0.75

Table 1. Industrial analysis and elemental analysis of coal samples

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煤样	2θ₀₀₂/(°)	2θ₁₀₀/(°)	2θ_γ/(°)	β₀₀₂	β₁₀₀	d₀₀₂/nm	L_c/nm	L_a/nm	f_a-XRD
DT	24.329	43.959	17.776	5.889	9.522	0.366	1.380	1.834	0.543
SY	25.341	43.805	19.231	4.300	8.931	0.351	1.894	1.960	0.647
HZ	25.310	43.852	19.621	4.501	9.001	0.352	1.809	1.945	0.602
GY	25.069	44.003	19.400	4.599	9.042	0.355	1.770	1.937	0.580

Table 2. XRD structural parameters of coal sample

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煤样	峰位置 /cm^-1	峰面积	相对含量/%	化学结构
DT	702	0.06	0.78	benzene monosubstituted
	741	0.59	8.22	2 adjacent H deformation
	757	1.50	21.06	3 adjacent H deformation
	806	3.30	46.32	4 adjacent H deformation
	847	0.75	10.55	4 adjacent H deformation
	871	0.93	13.07	5 adjacent H deformation
SY	749	7.85	49.43	2 adjacent H deformation
	803	5.44	34.25	4 adjacent H deformation
	853	1.16	7.28	4 adjacent H deformation
	871	1.44	9.04	5 adjacent H deformation
HZ	700	0.18	1.36	2 adjacent H deformation
	740	1.53	11.68	2 adjacent H deformation
	754	4.31	32.99	2 adjacent H deformation
	805	5.86	44.81	4 adjacent H deformation
	868	1.19	9.16	5 adjacent H deformation
GY	740	0.67	8.11	2 adjacent Hdeformation
	752	1.64	19.82	3 adjacent Hdeformation
	800	2.00	24.23	4 adjacent H deformation
	817	0.53	6.42	4 adjacent H deformation
	861	0.51	6.23	5 adjacent H deformation
	874	2.91	35.19	5 adjacent H deformation

Table 3. Parameters of FTIR of aromatic structure

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煤样	峰位置 /cm^-1	峰面积	相对含量/%	化学结构
DT	2 829	0.43	2.49	sym.R₂CH₂
	2 858	5.22	30.57	sym.R₂CH₂
	2 889	1.49	8.73	sym.R₃CH
	2 905	2.49	14.58	sym.R₃CH
	2 919	2.25	13.21	asym.R₂CH₂
	2 932	2.45	14.35	asym.RCH₃
	2 950	2.07	12.11	asym.RCH₃
	2 963	0.67	3.96	asym.RCH₃
SY	2 838	0.79	5.18	sym.R₂CH₂
	2 862	4.46	29.19	sym.R₂CH₂
	2 895	2.29	14.95	sym.R₃CH
	2 911	1.74	11.44	sym.R₃CH
	2 925	2.22	14.52	asym.R₂CH₂
	2 948	3.18	20.80	asym.RCH₃
	2 967	0.59	3.92	asym.RCH₃
HZ	2 833	0.91	5.23	sym.R₂CH₂
	2 856	4.01	23.13	sym.R₂CH₂
	2 883	2.20	12.71	sym.R₃CH
	2 904	2.83	16.33	sym.R₃CH
	2 920	2.75	15.85	asym.R₂CH₂
	2 940	3.64	20.99	asym.RCH₃
	2 962	0.99	5.76	asym.RCH₃
GY	2 844	2.81	17.55	sym.R₂CH₂
	2 861	1.83	11.43	sym.R₂CH₂
	2 885	2.25	14.05	sym.R₃CH
	2 904	2.28	14.24	sym.R₃CH
	2 917	2.06	12.87	asym.R₂CH₂
	2 929	2.19	13.68	asym.RCH₃
	2 948	1.75	10.81	asym.RCH₃
	2 962	0.72	4.50	asym.RCH₃
	2 999	0.14	0.87	asym.RCH₃

Table 4. Parameters of FTIR of aliphatic structure

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煤样	$f_{ar}^{H}$	$f_{ar}^{C}$	CH₃/CH₂
DT	0.29	0.68	0.66
SY	0.51	0.83	0.51
HZ	0.43	0.81	0.61
GY	0.34	0.74	0.71

Table 5. XRD structural parameters of coal sample

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煤样	电子结合能/eV	特征峰归属	峰面积	相对含量/%
DT	284.74	C—C	75 487.75	66.64
	285.30	C—H	12 573.72	11.10
	286.30	C—O	23 615.94	20.85
	288.60	O=C—O	1 598.15	1.41
SY	284.90	C—C	49 733.10	80.72
	285.30	C—H	6 968.30	11.31
	286.13	C—O	4 910.47	7.97
HZ	284.60	C—C	25 890.91	79.56
	285.30	C—H	3 732.64	11.47
	286.21	C—O	2 099.00	6.45
	289.00	O=C—O	820.07	2.52
GY	284.73	C—C	68 123.48	77.00
	285.30	C—H	14 263.63	16.28
	286.00	C—O	5 891.48	6.72

Table 6. XPS spectral for C(1s) fitting and relative content of coal sample XPS

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