Journal
FUEL
Volume 208, Issue -, Pages 82-90Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2017.07.005
Keywords
Chlorine; Barium; Combustion characteristics; Biomass; Potassium
Categories
Funding
- Science and Technology Development Plan Project of Shandong Province [2016GGX104005]
- College Independent Innovation Fund of Jinan [201401275]
- Fundamental Research Funds of Shandong University [2016JC005]
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The influence of BaCO3 on chlorine fixation and combustion characteristics was investigated in a fixed bed system and thermal analyzer. Both simulation and experimental results show the stability of BaCl2 was much better than CaCl2 at temperature higher than 800 degrees C. The chlorine fixation of cotton stalk was improved 5.35 times by BaCO3. The barium chlorides in the ashes were mainly BaCl2 and Ba (ClO2)(2). Obvious peaks of BaSO4 showed the ability of BaCO3 for fixing both chorine and sulfur simultaneously. With the addition of BaCO3, the Tf and S increased and the E decreased in different degree. The reactivity of elements in KCl, NH4H2PO4 and BaCO3 were deduced as: Cl- Ba < Ba-P < K-P. Excessive addition of BaCO3 may decrease the production of potassium phosphates. The reasonable additive ratio between biomass, NH4H2PO4 and BaCO3 could be K: P: Ba = 1: 1.5: 1. (C) 2017 Elsevier Ltd. All rights reserved.
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