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Statements

Subject Item
n2:RIV%2F61989100%3A27350%2F13%3A86086426%21RIV14-MSM-27350___
rdf:type
skos:Concept n8:Vysledek
rdfs:seeAlso
http://www.potopk.republika.pl/an_archiwum.html
dcterms:description
Optimally functioning coal treatment plant circuit has a significant effect on the economic outcome of treatment of raw coal itself. Sludge is produced at the treatment plant by wet separation of fine particles. The main process, which involves the separation of coal particles from gangue grains, is the foam flotation. The effectiveness of the process depends on the mineral composition of the whole suspension The main goal of the work was therefore focused on identification and evaluation of various physical and chemical (electrochemical) parameters in coal suspensions. Concern has been pointed on individual components of mixed coal slurries as well as on application of specific methods for the study of phase contact coal-water and three-phase contact of coal-water-air. Coal samples has been taken from active part of coal region of Mine Karvina CSA with technological granulation 0-0.5 mm. The results of the surface properties of the materials studies show a strong dependence of electrokinetic properties of samples of coal suspensions due to pH solutions and mineralized water. The study showed the zeta potential of the surface charge distribution of the samples at a pH. Relation between the mined raw coal and fine particles of coal material which is coming to coal treatment plant was characterized by zeta potential, contact angle and thermogravimetric analyst. Determination of wetting angle results of surface electrokinetic properties of real value added wettability with a visual assessment of the three-phase contact. Measurement results show sufficient wetting angle of the surface hydrophobicity of particles of coal samples with values between 70.14°- 77.24°. Optimally functioning coal treatment plant circuit has a significant effect on the economic outcome of treatment of raw coal itself. Sludge is produced at the treatment plant by wet separation of fine particles. The main process, which involves the separation of coal particles from gangue grains, is the foam flotation. The effectiveness of the process depends on the mineral composition of the whole suspension The main goal of the work was therefore focused on identification and evaluation of various physical and chemical (electrochemical) parameters in coal suspensions. Concern has been pointed on individual components of mixed coal slurries as well as on application of specific methods for the study of phase contact coal-water and three-phase contact of coal-water-air. Coal samples has been taken from active part of coal region of Mine Karvina CSA with technological granulation 0-0.5 mm. The results of the surface properties of the materials studies show a strong dependence of electrokinetic properties of samples of coal suspensions due to pH solutions and mineralized water. The study showed the zeta potential of the surface charge distribution of the samples at a pH. Relation between the mined raw coal and fine particles of coal material which is coming to coal treatment plant was characterized by zeta potential, contact angle and thermogravimetric analyst. Determination of wetting angle results of surface electrokinetic properties of real value added wettability with a visual assessment of the three-phase contact. Measurement results show sufficient wetting angle of the surface hydrophobicity of particles of coal samples with values between 70.14°- 77.24°.
dcterms:title
Research Study of zeta potential and wettability of coal slurries from moravian-silesian region Research Study of zeta potential and wettability of coal slurries from moravian-silesian region
skos:prefLabel
Research Study of zeta potential and wettability of coal slurries from moravian-silesian region Research Study of zeta potential and wettability of coal slurries from moravian-silesian region
skos:notation
RIV/61989100:27350/13:86086426!RIV14-MSM-27350___
n8:predkladatel
n9:orjk%3A27350
n3:aktivita
n12:P
n3:aktivity
P(ED2.1.00/03.0082)
n3:cisloPeriodika
1
n3:dodaniDat
n16:2014
n3:domaciTvurceVysledku
n4:3441709 n4:2146215 n4:4905202
n3:druhVysledku
n14:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
102545
n3:idVysledku
RIV/61989100:27350/13:86086426
n3:jazykVysledku
n13:eng
n3:klicovaSlova
Zeta potential; Wettability; Coal
n3:klicoveSlovo
n17:Wettability n17:Coal n17:Zeta%20potential
n3:kodStatuVydavatele
PL - Polská republika
n3:kontrolniKodProRIV
[88D7C2F29C10]
n3:nazevZdroje
Inžynieria Mineralna
n3:obor
n11:DH
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n10:ED2.1.00%2F03.0082
n3:rokUplatneniVysledku
n16:2013
n3:svazekPeriodika
31
n3:tvurceVysledku
Vidlář, Jiří Thomas, Jan Pavlík, Radim
s:issn
1640-4920
s:numberOfPages
11
n19:organizacniJednotka
27350