Effect of pretreatments on flotation and electrokinetic properties of coal

M. S. Celik; P. Somasundaran

doi:10.1016/0166-6622(80)80041-2

Effect of pretreatments on flotation and electrokinetic properties of coal

M. S. Celik^*, P. Somasundaran

^*Bu çalışma için yazışmadan sorumlu yazar

Columbia University

Araştırma sonucu: ???type-name??? › Makale › bilirkişi

45 Atıf (Scopus)

Özet

Effect of the treatment of coal with KMnO₄ and SnCl₂ as well as ultrasonication on its flotation and electrokinetic properties has been studied as a function of pH. Both the oxidizing agent and the reducing agent acted as depressants for coal. SnCl₂ depressed coal in the pH range where precipitation occurred. Isoelectric points of both untreated and KMnO₄ treated coal were around pH 6.5. Attrition by ultrasonication increased the isoelectric point to pH 6.5. No correlation was obtained between zeta potential and flotation. Ultrasonication also restored the flotation of depressed coal. Reduced flotation of coal samples is due to surface contamination possibly including, but not limited to, oxidation.

Orijinal dil	İngilizce
Sayfa (başlangıç-bitiş)	121-124
Sayfa sayısı	4
Dergi	Colloids and Surfaces
Hacim	1
Basın numarası	1
DOI'lar	https://doi.org/10.1016/0166-6622(80)80041-2
Yayın durumu	Yayınlandı - Oca 1980
Harici olarak yayınlandı	Evet

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10.1016/0166-6622(80)80041-2

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title = "Effect of pretreatments on flotation and electrokinetic properties of coal",

abstract = "Effect of the treatment of coal with KMnO4 and SnCl2 as well as ultrasonication on its flotation and electrokinetic properties has been studied as a function of pH. Both the oxidizing agent and the reducing agent acted as depressants for coal. SnCl2 depressed coal in the pH range where precipitation occurred. Isoelectric points of both untreated and KMnO4 treated coal were around pH 6.5. Attrition by ultrasonication increased the isoelectric point to pH 6.5. No correlation was obtained between zeta potential and flotation. Ultrasonication also restored the flotation of depressed coal. Reduced flotation of coal samples is due to surface contamination possibly including, but not limited to, oxidation.",

author = "Celik, {M. S.} and P. Somasundaran",

year = "1980",

month = jan,

doi = "10.1016/0166-6622(80)80041-2",

language = "English",

volume = "1",

pages = "121--124",

journal = "Colloids and Surfaces",

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TY - JOUR

T1 - Effect of pretreatments on flotation and electrokinetic properties of coal

AU - Celik, M. S.

AU - Somasundaran, P.

PY - 1980/1

Y1 - 1980/1

N2 - Effect of the treatment of coal with KMnO4 and SnCl2 as well as ultrasonication on its flotation and electrokinetic properties has been studied as a function of pH. Both the oxidizing agent and the reducing agent acted as depressants for coal. SnCl2 depressed coal in the pH range where precipitation occurred. Isoelectric points of both untreated and KMnO4 treated coal were around pH 6.5. Attrition by ultrasonication increased the isoelectric point to pH 6.5. No correlation was obtained between zeta potential and flotation. Ultrasonication also restored the flotation of depressed coal. Reduced flotation of coal samples is due to surface contamination possibly including, but not limited to, oxidation.

AB - Effect of the treatment of coal with KMnO4 and SnCl2 as well as ultrasonication on its flotation and electrokinetic properties has been studied as a function of pH. Both the oxidizing agent and the reducing agent acted as depressants for coal. SnCl2 depressed coal in the pH range where precipitation occurred. Isoelectric points of both untreated and KMnO4 treated coal were around pH 6.5. Attrition by ultrasonication increased the isoelectric point to pH 6.5. No correlation was obtained between zeta potential and flotation. Ultrasonication also restored the flotation of depressed coal. Reduced flotation of coal samples is due to surface contamination possibly including, but not limited to, oxidation.

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U2 - 10.1016/0166-6622(80)80041-2

DO - 10.1016/0166-6622(80)80041-2

M3 - Article

AN - SCOPUS:0001255552

SN - 0166-6622

VL - 1

SP - 121

EP - 124

JO - Colloids and Surfaces

JF - Colloids and Surfaces

IS - 1

ER -

Effect of pretreatments on flotation and electrokinetic properties of coal

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