The Sustainable World 2010
DOI: 10.2495/sw100311
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Study on coal recovery technology from waste fine Chinese coals by a vegetable oil agglomeration process

Abstract: Nowadays, coal production increases continuously due to an increase in mechanization in coal mining and demand in its related fields of application worldwide. Coal production in China is especially an increasing trend and a large amount of waste fine coal is produced. Waste fine coals usually contain large amounts of ash and inorganic sulfur due to non-selective coal mining of the coal. Therefore, waste fine coals are available as a resource and cause spontaneous combustion leading in turn to air pollution bec… Show more

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Cited by 8 publications
(21 citation statements)
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“…We shall note that the range of original pulp densities in the conducted experiments, ρ ws =50-600 g/cm 3 , is considerably wider than that in articles [9,[11][12][13][14]. At the same time, lower limits of ρ ws are close (we have 5 %, in [9] -7.5 %, in [11] -11.1 %).…”
Section: Discussion Of Results Of Examining the Process Of Preparatiomentioning
confidence: 87%
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“…We shall note that the range of original pulp densities in the conducted experiments, ρ ws =50-600 g/cm 3 , is considerably wider than that in articles [9,[11][12][13][14]. At the same time, lower limits of ρ ws are close (we have 5 %, in [9] -7.5 %, in [11] -11.1 %).…”
Section: Discussion Of Results Of Examining the Process Of Preparatiomentioning
confidence: 87%
“…This factor, according to studies [4,9,[11][12][13][14], is one of the most significant for obtaining quality concentrate and the waste of oiled aggregation of coal. This is confirmed by the results obtained in research.…”
Section: Discussion Of Results Of Examining the Process Of Preparatiomentioning
confidence: 99%
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“…However, the vegetable oils have been selected as oil agglutinative agents in our previous study [5] because the vegetable oils which are renewable, available and less-polluting energy resources. Furthermore, in this In this study, waste vegetable oil is used as the agglutinative agents instead of fresh vegetable oil and kerosene etc.…”
Section: Introductionmentioning
confidence: 99%