Journal
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
Volume 35, Issue 21, Pages 1967-1974Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15567036.2011.557691
Keywords
benzene-carboxylic acids; coal; NaOCl; oxidation; pretreatment with H2O2
Funding
- National Basic Research Program of China [2011 CB201302]
- National Natural Science Foundation of China [20936007, 50974121, 51074153, 21276268, 21206188]
- Natural Science Foundation of China for Innovative Research Group [51221462]
- Strategic Chinese-Japanese Joint Research Program [2013DFG60060]
- Fundamental Research Fund for Doctoral Program of Higher Education [20120095110006]
- Central Universities (China University of Mining Technology) [2010ZDP02B03, 2010LKHX09]
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Shenfu subbituminous coal (SFSBC) and pretreated SFSBC with H2O2 were subjected to oxidation with NaOCl at 30 degrees C for 5 h. The results show that the pretreatment with H2O2 significantly increased the yields of water-soluble species (WSS), especially benzene carboxylic acids (BCA) and long-chain alkanedioic acids (LCADA), but substantially inhibited the formation of chloro-substituted alkanoic acids. The introduction of oxygen functional groups to SFSBC by the pretreatment (LCADA) could be responsible for the increase in the yields of WSS, especially BCA and LCADA.
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