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Contact Angle Measurements at the Colemanite and Realgar Surfaces by Sabiha Koca; Mehmet Savas is a Materials Science article available to read on EtoBox.
What is Contact Angle Measurements at the Colemanite and Realgar Surfaces about?
Colemanite is one of the most important boron minerals and covers an important part of Turkey's boron mineral deposits. The friable nature of the colemanite tends to produce a large amount of fines. Flotation appears to be a promising technique to recover colemanite from such fines. During flotation process, selectivity problem arises between colemanite and associated gangue minerals such as realgar. There is a close relationship between floatability of minerals and contact angle. Therefore, surface hydrophobicity of colemanite and realgar minerals were investigated by receding contact angle measurements in the absence and presence of flotation reagents. The water contact angle values at the colemanite surface remained almost unchanged at 32-358 in the solutions of potassium amyl xanthate (KAX), potassium ethyl xanthate (KEX) and petroleum sulphanate (R825) while another petroleum sulphanate (R840), sodium oleate and tallow amine (Armac-T) affected hydrophobicity of colemanite, and the contact angle values increased up to 478. The contact angle values of 62, 63, 45, 46,, and 438 at the realgar surface were obtained in the solutions of KAX, KEX, sodium oleate, R825, R840 and Armac-T
Who reads Contact Angle Measurements at the Colemanite and Realgar Surfaces?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Sabiha Koca; Mehmet Savas
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0169-4332)
- Published
- 2004
- Language
- EN
- Field
- Materials Science (Physical Sciences)