Sulfuric Acid Leaching of Magnesium and Preparation of Glass Water from Serpentine

doi:None

All Issue

2008 Vol.45, Issue 3 Preview Page Next Page

Sulfuric Acid Leaching of Magnesium and Preparation of Glass Water from Serpentine 사문석으로부터 마그네슘의 황산침출과 물유리의 제조: 유경근, 김동진, 정헌생, 김민석, 이재천
Kyoungkeun Yoo, Dong Jin Kim, Hun Saeng Chung, Min-seuk Kim and Jae-chun Lee

30 June 2008. pp. 257-264

PDF

Abstract

For practical application of CO2 sequestration technique by the serpentine mineral carbonation, the optimization of Mg leaching from serpentine and utilization of leaching residue are the prerequisite. In this study, H2SO4 leaching of Mg and preparation of glass were studied using domestic serpentine. The effects of H2SO4 concentration, leaching temperature and time, pulp density on Mg leaching were examined. The optimum leaching conditions were obtained to be: H2SO4 4.0 M, leaching temperature 90℃, leaching time 60 minutes, pulp density 200 g/L. Under the optimum conditions obtained, the leaching efficiency of Mg was about 95%. The leaching residue about 80% of which was silica was porous having the specific surface area of 350 m2/g. The glass water was then prepared by dissolving the leaching residue in NaOH solution. Effect of different parameters such as NaOH concentration, dissolution temperature and time, pulp density on the dissolution of residue were investigated. The glass water having SiO2/Na2O molar ratio of 3.817 could be obtained at room temperature. The method appears to be an attractive addition to the conventional method for the manufacture of glass water.

Keywords

Serpentine

Carbonation

CO2 sequestration

Glass water

사문석 광물의 탄산화에 의한 이산화탄소 격리방법의 실용화를 위하여 마그네슘 침출의 최적화 및 침출잔사의 활용방안 확립이 필수적이다. 본 연구에서는 국내산 사문석으로부터 마그네슘의 산 침출 및 물유리를 제조하는 연구를 수행하였다. 황산을 침출제로 사용하여 황산농도, 침출온도 및 시간, 광액농도 등이 마그네슘의 침출에 미치는 영향을 조사하였다. 마그네슘의 최적침출조건은 황산농도; 4.0 M, 침출온도; 90℃, 침출시간; 60분, 광액농도; 200 g/L 이었으며 이 때 마그네슘의 침출율은 약 95% 이었다. 사문석으로부터 마그네슘의 황산침출에 의하여 얻어진 침출잔사는 최대 비표면적이 350 m2/g인 다공성으로서 실리카 함량이 약 80%이었으며, 이를 가성소다 용액에 용해하여 물유리를 제조할 수 있었다. 가성소다의 농도, 반응온도 및 시간, 광액농도 등과 같은 실험변수들이 침출잔사의 용해에 미치는 영향을 조사하였다. 상온에서 SiO2/Na2O 비가 3.817인 물유리를 얻을 수 있었으며 이것은 기존의 물유리 제조방법보다 진일보한 것으로 판단된다.

키워드

사문석

탄산화

이산화탄소 격리

물유리

마그네슘

실리카

References

고상모, 박충구, 소원주, 2006, “울산지역 사문암의 형성환경 해석을 위한 예비연구,” J. Miner. Soc. Korea, Vol. 19(4), pp. 325-336.
한국자원연구소, 1999, “사문암의 고부가가치화 기술 개발에 관한 최종보고서”.
황진연, 2002, “사문석의 특성과 활용,” 광물과 산업, Vol. 15(2), pp. 48-54.
Ficara, P., Chin, E., Walker, T., Laroche, D., Palumbo, E., Celik, C., 1998, “Magnola: A novel commercial process for the primary production of magnesium,” CIM Bulletin, Vol. 91(1019), pp. 75-80.
Harben, P.W. and Smith Jr., C., 2006, Olivine, in Industrial Minerals and Rocks; Commodities, Markets and Uses, 7th Edition, Edited by Kogel, J.E., et al., SME, Littleton, CO, USA, pp. 679-683.
Huijgen, W.J.J. and Comans, R.N.J., 2003, Carbon dioxide sequestration by mineral carbonation; literature Review, Energy Research Center of the Netherlands, Petten, The Netherlands, ECN-C-03-016.
Kosuge, K., Shimada, K., Tsunashima, 1995, “Micropore Formation by Acid Treatment of Antigorite,” Chemistry of Materials, Vol. 7, pp. 2241-2246.
Lackner, K.S., 2003, “A guide to CO2 sequestration,” Science, Vol. 300, pp. 1677-1678.
Minihan, A., 2006, Silicates, in Ullmann’s Encyclopedia of Industry Chemistry, 6th Edition, Vol. 32, Wiley-VCH, Germany, pp. 411-417.
Park, A.-H., Jadhav, R., Fan, L.-S., 2003, “CO2 mineral sequestration: chemically enhanced aqueous carbonation of serpentine,” Can. J. Chem. Eng., Vol. 81, pp. 885-890.
Park., K.Y., Kim, J.-K., Jeong, J., Choi, Y.Y., 1997, “Production of Poly (aluminum chloride) and Sodium Silicate,” Industrial & Emgineering Chemistry Research, Vol. 36, pp. 2646-2650.
Shimada, K., Kosuge, K., Tsnashima, A., 1992, “Preparation and Utilization of Amorphous Silica from Serpentine,” Journal of MMIJ, Vol. 108(6), pp. 443-447.
Teir, S., Kuusik, R., Fogelholm, C.-J., Zevenhoven, R., 2007, “Production of magnesium carbonates from serpentinite for long-term storage of CO2,” International Journal of Mineral Processing, Vol. 85, pp. 1-15.
Weldes, H.H. and Lange, R.K., 1969, “Properties of Soluble Silicates,” Industrial & Emgineering Chemistry, Vol. 61, pp. 29-44.
Wicks, F.J. and O’Hanley, D.S., 1988, Serpentine Minerals: Structures and Petrology in Hydrous Phyllosilicates, in Reviews in Mineralogy 19, Edited by Bailey, S.W., Mineralogical Society of America, VA, USA, pp. 91-167.
Zevenhoven, R., Kohlmann, J., Mukherjee, A.B., 2002, Direct dry mineral carbonation for CO2 emissions reduction in Finland, in the proceedings of the 27th International Technical Conference on Coal Utilization & Fuel Systems, Clearwater, FL, UAS, March 4-7, pp. 743-754.

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 : 45
No :3
Pages :257-264

[1] 고상모, 박충구, 소원주, 2006, “울산지역 사문암의 형성환경 해석을 위한 예비연구,” J. Miner. Soc. Korea, Vol. 19(4), pp. 325-336.

[2] 한국자원연구소, 1999, “사문암의 고부가가치화 기술 개발에 관한 최종보고서”.

[3] 황진연, 2002, “사문석의 특성과 활용,” 광물과 산업, Vol. 15(2), pp. 48-54.

[4] Ficara, P., Chin, E., Walker, T., Laroche, D., Palumbo, E., Celik, C., 1998, “Magnola: A novel commercial process for the primary production of magnesium,” CIM Bulletin, Vol. 91(1019), pp. 75-80.

[5] Harben, P.W. and Smith Jr., C., 2006, Olivine, in Industrial Minerals and Rocks; Commodities, Markets and Uses, 7th Edition, Edited by Kogel, J.E., et al., SME, Littleton, CO, USA, pp. 679-683.

[6] Huijgen, W.J.J. and Comans, R.N.J., 2003, Carbon dioxide sequestration by mineral carbonation; literature Review, Energy Research Center of the Netherlands, Petten, The Netherlands, ECN-C-03-016.

[7] Kosuge, K., Shimada, K., Tsunashima, 1995, “Micropore Formation by Acid Treatment of Antigorite,” Chemistry of Materials, Vol. 7, pp. 2241-2246.

[8] Lackner, K.S., 2003, “A guide to CO2 sequestration,” Science, Vol. 300, pp. 1677-1678.

[9] Minihan, A., 2006, Silicates, in Ullmann’s Encyclopedia of Industry Chemistry, 6th Edition, Vol. 32, Wiley-VCH, Germany, pp. 411-417.

[10] Park, A.-H., Jadhav, R., Fan, L.-S., 2003, “CO2 mineral sequestration: chemically enhanced aqueous carbonation of serpentine,” Can. J. Chem. Eng., Vol. 81, pp. 885-890.

[11] Park., K.Y., Kim, J.-K., Jeong, J., Choi, Y.Y., 1997, “Production of Poly (aluminum chloride) and Sodium Silicate,” Industrial & Emgineering Chemistry Research, Vol. 36, pp. 2646-2650.

[12] Shimada, K., Kosuge, K., Tsnashima, A., 1992, “Preparation and Utilization of Amorphous Silica from Serpentine,” Journal of MMIJ, Vol. 108(6), pp. 443-447.

[13] Teir, S., Kuusik, R., Fogelholm, C.-J., Zevenhoven, R., 2007, “Production of magnesium carbonates from serpentinite for long-term storage of CO2,” International Journal of Mineral Processing, Vol. 85, pp. 1-15.

[14] Weldes, H.H. and Lange, R.K., 1969, “Properties of Soluble Silicates,” Industrial & Emgineering Chemistry, Vol. 61, pp. 29-44.

[15] Wicks, F.J. and O’Hanley, D.S., 1988, Serpentine Minerals: Structures and Petrology in Hydrous Phyllosilicates, in Reviews in Mineralogy 19, Edited by Bailey, S.W., Mineralogical Society of America, VA, USA, pp. 91-167.

[16] Zevenhoven, R., Kohlmann, J., Mukherjee, A.B., 2002, Direct dry mineral carbonation for CO2 emissions reduction in Finland, in the proceedings of the 27th International Technical Conference on Coal Utilization & Fuel Systems, Clearwater, FL, UAS, March 4-7, pp. 743-754.

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

All Issue