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Experiment Research on Power Molding and Destructive Distillation of Yaojie Oil Shale
Abstract:
Though the power molding of Yaojie oil shale, the optimum binder and proportion are confirmed. Hot strength,cold strength and oil yield of oil shale ball produced by power molding are measured. The results show that: Ⅰ , Ⅱ are suitable binders for power molding, besides, the hot strength and cold strength of oil shale ball produced by Ⅰ and Ⅱ are higher than 200N and 400N respectively. It can be found that from SEM, binders filling between particles of oil shale become gel or crystal after mixing with water. All that gel or crystal make particles connected closely and form net structure. The reason of low oil yield may be that the larger diameter of oil shale ball hinder the escaping of shale gas, and during escaping, shale gas is pyrolyzed because of long heating time, in addition, binders may absorb some shale gas.
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989-993
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December 2013
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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