Flotation Properties of Galena and Pyrite with Xanthate as a Collector

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2007 Vol.44, Issue 1 Preview Page Next Page

Flotation Properties of Galena and Pyrite with Xanthate as a Collector 잔세이트 부선계에서 황철광과 방연광의 부유 특성: 정문영, 이경용, 신희영
Moon Young Jung, Kyeong Yong Lee and Hee Young Shin

28 February 2007. pp. 46-52

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Abstract

The aim of this study was to investigate the flotation behaviors of pyrite and galena in seafloor hydrothermal sulfide deposits with xanthate as a collector. The flotation properties of pyrite and galena were tested without a collector using a Hallimond tube to investigate the flotation behaviors of seafloor hydrothermal sulfide. The natural flotability of pyrite was about 70% in the whole pH range, whereas that of galena decreased with increasing pH, and reduced to less than 10% in the alkaline pH range. The flotability of pyrite and galena increased up to 95% in the adding condition of the 1.0×10-4M concentration of Aero325 or Aero350, which was a xanthate collector. Accordingly, considering the efficiency of flotation between sulfide minerals, on differential flotation of pyrite-galena, it would be more effective to use the appropriate amount of Aero325 with high selectivity than Aero350 with high collectivity. Since the flotation of compound sulfides was usually carried out in alkalinity, NaCN in the flotation system of pyrite and galena using xanthate as a collector excelled in the flotation depressant effect. Even if an environmentally friendly depressant, dextrin, depressed galena better than pyrite, it was difficult to effectively float pyrite and galena only with dextrin. It is shown that starch depressed galena effectively, but hardly depressed pyrite.

Keywords

Flotation

Xanthate

Depressant

Pyrite

Galena

해저열수 황화광상의 주요 구성 광물인 황철광과 방연광에 대해 Hallimond tube를 이용한 부선실험을 실시한 결과, 포수제를 첨가하지 않고 측정한 황화광물의 자연부유도는 방연광이 황철광보다 높았다. 방연광의 자연부유도는 실험한 전 pH영역에서 약 70%정도로 일정하였으나, 황철광의 자연부유도는 pH가 증가할수록 감소하여 염기성 영역에서는 10%미만으로 매우 저조하였다. 한편 잔세이트 계통의 포수제인 Aero325 또는 Aero350를 사용한 부선계의 경우, 각각의 첨가 농도가 1.0x10-4M일 때, 방연광 및 황철광의 부유도는 모두 95%에 이르렀다. 따라서 방연광-황철광 우선부선 시, 황화광물간의 부유선별 효율을 고려한다면 포수력이 강한 Aero350보다는 선택성이 우수한 Aero325를 적당량 사용하는 것이 효과적인 것으로 사료된다. 혼합 황화광물의 부유선별은 주로 염기성 영역에서 이루어지고 있어 포수제로 xanthate를 사용하는 방연광-황철광 부선계에서 NaCN은 황철광의 부선 억제효과가 매우 우수하였다. 그러나 환경친화적 억제제로 각광받고 있는 dextrin은 방연광보다는 황철광에 대한 부선억제효과가 좋았지만 dextrin만으로는 방연광과 황철광을 효과적으로 부유선별하기 어려웠다. 한편 starch는 방연광에 대해서는 부선억제효과가 뛰어났지만 황철광에 대해서는 부선억제효과가 거의 없었다.

키워드

부선

잔세이트

억제제

황철광

방연광

References

정문영, 이경용, 신희영, 2005, “해저열수 황화광물의 부유선별을 위한 황철광과 방연광의 동전기 특성”, 한국지구시스템공학회지, 제 42권 6호, pp. 566-574.
최형섭 외 3인, 1981, 광석처리공학(하권), 탑출판사, p.185.
朴洗憲, 2004, 深海底鑛物資源の經濟性評價手法の開發, 東京大學大學院工學系硏究科地球システム工學專攻博士學位論文.
山本泰二, 1982, 複雜黃化鑛浮選分離について, 日本鑛業會誌, Vol. 98, pp. 659-663.
Bulut, G. and Atak, S., 2002, “Role of dixanthogen on pyrite flotation: solubility, adsorption studies and Eh,　FTIR measurements”, Minerals and Metallurgical Processing 19, pp. 81-86.
Elgillani N.N. and Fuerstenau, M.C., 1968, “Mechanisms involved in cyanide depression of pyrite”, Trans. AIME Vol. 241 p. 437.
Finkelstein N.P., 1997, “The activation of sulphide minerals for flotation : a review”, International Journal of Mineral Processing, 52, pp. 81-120.
Fornasiero, D., Eijt, V. and Ralston, J., 1992. “An electrokinetic study of pyrite oxidation”, Colloids and Surfaces 62, pp. 57-61.
Fornasiero, D. and Ralston, J., 1992, “Iron hydroxide complex and their influence on the interaction between　ethyl xanthate and pyrite”, Journal. of Colloids and Interface Surfaces, Vol. 151, pp. 225-235.
Forssberg, K.S.E.(ed.), 1985, Flotation of Sulfide Minerals, Elsevier, New York.
Fuerstenau, M.C., Kuhn, M.C. and Elgillani, D.A., 1968, “The role of dixanthogen in xanthate flotation of pyrite”, Transactions of the AIME 241, pp. 148-156.
Gaudin, A.M., 1957, Flotation(2nd), McGrew-Hill Book Co. N.Y. p. 283.
Herig,P.M., and Hannington, M.D., 1995, “Polymetallic massive sulfides at the moden seafloor : A review, Ore Geology Review”, Vol. 10, pp. 95-115.
Leja, J., 1982, Surface Chemistry of Froth Flotation. Plenum Press, New York, p. 228.
Liu, Q. and Laskowski, J.S., 1989, “The role of metal hydroxides at mineral surfaces in dextrin adsorption, II. Chalcopyrite-galena separations in the presence of dextrin”, International Journal of Mineral Processing 27, pp. 147-155.
López Valdivieso, A, Celedón Cervantes, T., Song, S., Robledo Cabrera, A. and Laskowski, J. S., 2004, “Dextrin as a non-toxic depressant for pyrite in flotation with xanthates as collector”, Minerals Engineering, Volume 17, pp. 1001-1006.
Miller J.D. et al., 2002, “The low-potential hydrophobic state of pyrite in amyl xanthate flotation with nitrogen”, International Journal of Mineral Processing, Vol. 67, pp. 1-15.
Popov, S.R. et al., 1988, “Effect of the depressing agents FeSO4 and NaCN on the surface properties of galena in the flotation”, International Journal of Mineral Processing, Vol. 24, Issues 1-2, pp. 111-123.
Takahashi, N., et al., 1971, Pyrite flotation utilizing oxidation in acid solution, 日本鑛業會誌, Vol. 87, pp. 533-537.

Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society for Geosystem Engineering
Journal Title(Ko) :한국지구시스템공학회지
Volume : 44
No :1
Pages :46-52

[1] 정문영, 이경용, 신희영, 2005, “해저열수 황화광물의 부유선별을 위한 황철광과 방연광의 동전기 특성”, 한국지구시스템공학회지, 제 42권 6호, pp. 566-574.

[2] 최형섭 외 3인, 1981, 광석처리공학(하권), 탑출판사, p.185.

[3] 朴洗憲, 2004, 深海底鑛物資源の經濟性評價手法の開發, 東京大學大學院工學系硏究科地球システム工學專攻博士學位論文.

[4] 山本泰二, 1982, 複雜黃化鑛浮選分離について, 日本鑛業會誌, Vol. 98, pp. 659-663.

[5] Bulut, G. and Atak, S., 2002, “Role of dixanthogen on pyrite flotation: solubility, adsorption studies and Eh,　FTIR measurements”, Minerals and Metallurgical Processing 19, pp. 81-86.

[6] Elgillani N.N. and Fuerstenau, M.C., 1968, “Mechanisms involved in cyanide depression of pyrite”, Trans. AIME Vol. 241 p. 437.

[7] Finkelstein N.P., 1997, “The activation of sulphide minerals for flotation : a review”, International Journal of Mineral Processing, 52, pp. 81-120.

[8] Fornasiero, D., Eijt, V. and Ralston, J., 1992. “An electrokinetic study of pyrite oxidation”, Colloids and Surfaces 62, pp. 57-61.

[9] Fornasiero, D. and Ralston, J., 1992, “Iron hydroxide complex and their influence on the interaction between　ethyl xanthate and pyrite”, Journal. of Colloids and Interface Surfaces, Vol. 151, pp. 225-235.

[10] Forssberg, K.S.E.(ed.), 1985, Flotation of Sulfide Minerals, Elsevier, New York.

[11] Fuerstenau, M.C., Kuhn, M.C. and Elgillani, D.A., 1968, “The role of dixanthogen in xanthate flotation of pyrite”, Transactions of the AIME 241, pp. 148-156.

[12] Gaudin, A.M., 1957, Flotation(2nd), McGrew-Hill Book Co. N.Y. p. 283.

[13] Herig,P.M., and Hannington, M.D., 1995, “Polymetallic massive sulfides at the moden seafloor : A review, Ore Geology Review”, Vol. 10, pp. 95-115.

[14] Leja, J., 1982, Surface Chemistry of Froth Flotation. Plenum Press, New York, p. 228.

[15] Liu, Q. and Laskowski, J.S., 1989, “The role of metal hydroxides at mineral surfaces in dextrin adsorption, II. Chalcopyrite-galena separations in the presence of dextrin”, International Journal of Mineral Processing 27, pp. 147-155.

[16] López Valdivieso, A, Celedón Cervantes, T., Song, S., Robledo Cabrera, A. and Laskowski, J. S., 2004, “Dextrin as a non-toxic depressant for pyrite in flotation with xanthates as collector”, Minerals Engineering, Volume 17, pp. 1001-1006.

[17] Miller J.D. et al., 2002, “The low-potential hydrophobic state of pyrite in amyl xanthate flotation with nitrogen”, International Journal of Mineral Processing, Vol. 67, pp. 1-15.

[18] Popov, S.R. et al., 1988, “Effect of the depressing agents FeSO4 and NaCN on the surface properties of galena in the flotation”, International Journal of Mineral Processing, Vol. 24, Issues 1-2, pp. 111-123.

[19] Takahashi, N., et al., 1971, Pyrite flotation utilizing oxidation in acid solution, 日本鑛業會誌, Vol. 87, pp. 533-537.

Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

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