Production of benzenecarboxylic acids from two typical Chinese subbituminous coals by oxidation in aqueous sodium hypochlorite solution and insights into structural characteristics
被引:15
作者:
Liu, Fang-Jing
论文数: 0引用数: 0
h-index: 0
机构:
China Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China
Liu, Fang-Jing
[1
]
Zong, Zhi-Min
论文数: 0引用数: 0
h-index: 0
机构:
China Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China
Zong, Zhi-Min
[1
]
Zhu, Ying
论文数: 0引用数: 0
h-index: 0
机构:
China Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China
Zhu, Ying
[1
]
Wei, Xian-Yong
论文数: 0引用数: 0
h-index: 0
机构:
China Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China
Ningxia Univ, State Key Lab High Efficiency Utilizat & Green Ch, Ningxia 750021, Peoples R ChinaChina Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China
Wei, Xian-Yong
[1
,2
]
Zhu, Xiang-Nan
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ Sci & Technol, Coll Chem & Environm Engn, Qingdao 266590, Shandong, Peoples R ChinaChina Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China
Zhu, Xiang-Nan
[3
]
Tang, Ming-Chen
论文数: 0引用数: 0
h-index: 0
机构:
Univ Wyoming, Dept Chem & Petr Engn, Laramie, WY 82071 USAChina Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China
Tang, Ming-Chen
[4
]
Huang, Zai-Xing
论文数: 0引用数: 0
h-index: 0
机构:
Univ Wyoming, Dept Chem & Petr Engn, Laramie, WY 82071 USAChina Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China
Huang, Zai-Xing
[4
]
机构:
[1] China Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China
[2] Ningxia Univ, State Key Lab High Efficiency Utilizat & Green Ch, Ningxia 750021, Peoples R China
[3] Shandong Univ Sci & Technol, Coll Chem & Environm Engn, Qingdao 266590, Shandong, Peoples R China
[4] Univ Wyoming, Dept Chem & Petr Engn, Laramie, WY 82071 USA
Zhundong subbituminous coal (ZSBC) and Shenmu-Fugu subbituminous coal (SFSBC) were oxidized in aqueous sodium hypochlorite solution at 30 degrees C for 10 h to produce valuable benzenecarboxylic acids (BCAs) and to understand structural characteristics of the 2 typical Chinese subbituminous coals. Fourier transform infrared spectrometer, gas chromatograph/mass spectrometer, and direct analysis in real time ionization source coupled to an ion trap mass spectrometer were used to characterize the resulting products from the oxidation. The results show that the distributions of functional groups, molecular masses, and group components of the products from ZSBC and SFSBC oxidation are largely similar. Non-chlorine BCAs are the dominant carboxylic acids (CAs) from the oxidation and the total yields of BCAs from ZSBC and SFSBC oxidation are 15.6 wt% and 16.5 wt% based on organic matter in ZSBC and SFSBC, respectively, suggesting that both coals contain abundant polycyclic or condensed aromatic rings (ARs). Various BCAs, including cata-condensed aromatics, polyaryls, and peri-condensed aromatics, were generated from different aromatic precursors (APs) via the oxidation. According to the distributions of BCAs, ZSBC is rich in polyaryl moieties with C-ar-C(ar )bridged linkages between the ARs, while SFSBC contains much more highly condensed ARs. O-2(center dot-) dissociated from NaOCl could play a crucial role in producing BCAs from the ARs in ZSBC and SFSBC. In addition, some nitrogen-containing CAs were produced and their possible APs in ZSBC and SFSBC were speculated.
机构:
Univ Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Brno Univ Technol, Fac Chem, Inst Phys & Appl Chem, Brno 61200, Czech Republic
Brno Univ Technol, Mat Res Ctr, Fac Chem, Brno 61200, Czech RepublicUniv Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Doskocil, Leos
Grasset, Laurent
论文数: 0引用数: 0
h-index: 0
机构:
Univ Poitiers, CNRS, UMR 6514, F-86022 Poitiers, FranceUniv Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Grasset, Laurent
Valkova, Dana
论文数: 0引用数: 0
h-index: 0
机构:
Univ Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Brno Univ Technol, Fac Chem, Inst Phys & Appl Chem, Brno 61200, Czech RepublicUniv Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Valkova, Dana
Pekar, Miloslav
论文数: 0引用数: 0
h-index: 0
机构:
Brno Univ Technol, Fac Chem, Inst Phys & Appl Chem, Brno 61200, Czech Republic
Brno Univ Technol, Mat Res Ctr, Fac Chem, Brno 61200, Czech RepublicUniv Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
机构:
Univ Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Brno Univ Technol, Fac Chem, Inst Phys & Appl Chem, Brno 61200, Czech Republic
Brno Univ Technol, Mat Res Ctr, Fac Chem, Brno 61200, Czech RepublicUniv Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Doskocil, Leos
Grasset, Laurent
论文数: 0引用数: 0
h-index: 0
机构:
Univ Poitiers, CNRS, UMR 6514, F-86022 Poitiers, FranceUniv Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Grasset, Laurent
Valkova, Dana
论文数: 0引用数: 0
h-index: 0
机构:
Univ Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Brno Univ Technol, Fac Chem, Inst Phys & Appl Chem, Brno 61200, Czech RepublicUniv Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France
Valkova, Dana
Pekar, Miloslav
论文数: 0引用数: 0
h-index: 0
机构:
Brno Univ Technol, Fac Chem, Inst Phys & Appl Chem, Brno 61200, Czech Republic
Brno Univ Technol, Mat Res Ctr, Fac Chem, Brno 61200, Czech RepublicUniv Poitiers, CNRS, UMR 6514, F-86022 Poitiers, France