Coal Flotation Improvement Through Hydrophobic Flocculation Induced by Polyethylene Oxide

被引：19
作者：
Liang, Long [1 ]
Tan, Jiakun [1 ]
Li, Zhiyuan [1 ]
Peng, Yaoli [1 ,2 ]
Xie, Guangyuan [1 ,2 ]
机构：
[1] China Univ Min & Technol, Sch Chem Engn & Technol, Xuzhou 221116, Peoples R China
[2] China Univ Min & Technol, Natl Engn Res Ctr Coal Preparat & Purificat, Xuzhou 221116, Peoples R China
来源：
INTERNATIONAL JOURNAL OF COAL PREPARATION AND UTILIZATION | 2016年 / 36卷 / 03期
关键词：
Coal; flotation; flocculation; kaolinite; polyethylene oxide; DEWATERING BEHAVIOR; OIL AGGLOMERATION; FLOC FLOTATION; FINES; PARTICLES; GALENA;
D O I：
10.1080/19392699.2015.1068171
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Polyethylene oxide (PEO) is an efficient flocculant for the settling of various minerals including coal, quartz, and phyllosilicate. However, it is rarely used in coal flotation. In this research, the flotation of a bituminous coal with PEO addition was investigated. It was found that PEO worsened the flotation performance in tap water. But it significantly improved the flotation in the sodium hexametaphosphate solution. The tube-settling experiments, floc observation and Zeta potential analysis indicated that the sodium hexametaphosphate hindered the flocculation of kaolinite so coal was selectively flocculated.
引用
收藏
页码：139 / 150
页数：12
相关论文
共 42 条
  • [21] Investigation of the effect of polymer structure type on flocculation, rheology and dewatering behaviour of kaolinite dispersions
    Mpofu, P
    Addai-Mensah, J
    Ralston, J
    [J]. INTERNATIONAL JOURNAL OF MINERAL PROCESSING, 2003, 71 (1-4) : 247 - 268
  • [22] Influence of particle size and contact angle on the flotation of chalcopyrite in a laboratory batch flotation cell
    Muganda, S.
    Zanin, M.
    Grano, S. R.
    [J]. INTERNATIONAL JOURNAL OF MINERAL PROCESSING, 2011, 98 (3-4) : 150 - 162
  • [23] Shear-induced floc structure changes for enhanced dewatering of coal preparation plant tailings
    Ofori, Philip
    Nguyen, Anh V.
    Firth, Bruce
    McNally, Clint
    Ozdemir, Orhan
    [J]. CHEMICAL ENGINEERING JOURNAL, 2011, 172 (2-3) : 914 - 923
  • [24] Critical solution surface tension for oil agglomeration
    Ozkan, A
    Aydogan, S
    Yekeler, M
    [J]. INTERNATIONAL JOURNAL OF MINERAL PROCESSING, 2005, 76 (1-2) : 83 - 91
  • [25] Gamma processes of shear flocculation, oil agglomeration and liquid-liquid extraction
    Ozkan, A.
    Duzyol, S.
    [J]. SEPARATION AND PURIFICATION TECHNOLOGY, 2014, 132 : 446 - 451
  • [26] High performance flocculating agents based on cationic polysaccharides in relation to coal fine suspension
    Pal, Sagar
    Sen, G.
    Karmakar, N. C.
    Mal, D.
    Singh, R. P.
    [J]. CARBOHYDRATE POLYMERS, 2008, 74 (03) : 590 - 596
  • [27] The interaction between particles and bubbles
    Ralston, J
    Dukhin, SS
    [J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 1999, 151 (1-2) : 3 - 14
  • [28] The hydrophobic force in flotation-a critique
    Ralston, J
    Fornasiero, D
    Mishchuk, N
    [J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2001, 192 (1-3) : 39 - 51
  • [29] Interaction mechanism of flocculants with coal waste slurry
    Sabah, E
    Erkan, ZE
    [J]. FUEL, 2006, 85 (03) : 350 - 359
  • [30] Floc flotation of galena and sphalerite fines
    Song, S
    Lopez-Valdivieso, A
    Reyes-Bahena, JL
    Lara-Valenzuela, C
    [J]. MINERALS ENGINEERING, 2001, 14 (01) : 87 - 98
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