2018
DOI: 10.1016/j.powtec.2018.09.006
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Flotation characteristics of oxidized coal slimes within low-rank metamorphic

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Cited by 24 publications
(7 citation statements)
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“…Cai et al’s study shows that in the pulp environment (the oxygen content in the pulp is much lower than that in the air), the coal will hardly be oxidized in a short time. Therefore, it can be considered that the oxygen content of raw coal does not change with temperature during 120 s of pulping time . At different temperatures, the oxygen content on the surface of coal after the action of diesel oil is shown in Figure .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Cai et al’s study shows that in the pulp environment (the oxygen content in the pulp is much lower than that in the air), the coal will hardly be oxidized in a short time. Therefore, it can be considered that the oxygen content of raw coal does not change with temperature during 120 s of pulping time . At different temperatures, the oxygen content on the surface of coal after the action of diesel oil is shown in Figure .…”
Section: Resultsmentioning
confidence: 99%
“…Therefore, it can be considered that the oxygen content of raw coal does not change with temperature during 120 s of pulping time. 64 At different temperatures, the oxygen content on the surface of coal after the action of diesel oil is shown in Figure 9 . The surface oxygen contents of coals treated with diesel all are lower than that of raw coal.…”
Section: Resultsmentioning
confidence: 99%
“…As shown in Fig. 2, several absorption band for LRC/CC samples include: -OH stretching frequency around 3693cm -1 , 3618cm -1 , and 3414 cm -1 (He et al, 2018;Li et al, 2020c;Aljerf and Nadra, 2019;Fan et al, 2020); -CH stretching frequency at 3041 cm -1 , 2922 cm -1 , 2855 cm -1 (Li et al, 2020c;Zhu et al, 2019); -COOstretching frequency at 1735 cm -1 , 914 cm -1 (He et al, 2018;Zhu et al, 2020); -C=C-stretching frequency at 1607.69 cm -1 Li et al, 2020c); -CH3 stretching frequency at 1443 cm -1 , 1381 cm -1 (Li et al, 2020c;Zhu et al, 2020;Cai et al, 2018); -COC-stretching frequency at 1271.74 cm -1 , 1096.15 cm -1 , 1035.28 cm -1 , 879cm -1 (Li et al, 2020;He et al, 2018;Fan et al, 2020;Zhu et al, 2020;Yang et al, 2021); -C-C=O stretching frequency at 694.45 cm -1 , 538.01cm -1 , 470.47cm -1 (Li et al, 2020b;Fan et al, 2020;Yang et al, 2021;Marcelo et al, 2006;Xie et al, 2017;Akyıldırım et al, 2017). These indicate the presence of functional groups such as -OH, -CH, -COO-, -CH3, -COC-, -C=O on the surface of LRC and CC.…”
Section: Ftir Analysismentioning
confidence: 98%
“…Figure 5 shows the FTIR spectra with a similar R1M trend before and after nitrate adsorption. Important bands are attributed to CH 3 at about wavenumber of 1350 cm −1 and C-H at the wavenumber of 900 cm −1 (Cai et al 2018). The band at about 1700 cm −1 can be associated with the carboxyl group (-COO) (Ren et al 2016).…”
Section: Characterization Of Adsorbent Solidmentioning
confidence: 99%