• Proceedings of the Korean Institute of Resources Recycling Conference
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• 2005.10a
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• pp.335-340
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• 2005

• Proceedings of the Korean Institute of Resources Recycling Conference
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• 2005.10a
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• pp.158-162
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• 2005

• Proceedings of the Korean Institute of Resources Recycling Conference
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• 2005.10a
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• pp.198-202
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• 2005

• Proceedings of the Korean Institute of Resources Recycling Conference
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• 2004.05a
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• pp.36-39
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• 2004

• Proceedings of the Korean Institute of Resources Recycling Conference
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• 2006.05a
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• pp.70-73
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• 2006

• Proceedings of the Korean Institute of Resources Recycling Conference
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• 2005.05a
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• pp.62-67
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• 2005

• Proceedings of the Korean Institute of Resources Recycling Conference
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• 2005.05a
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• pp.173-177
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• 2005

• Journal of Powder Materials
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• v.15 no.4
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• pp.308-313
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• 2008

Al-Ni alloy nano powders have been produced by the electrical explosion of Ni-plated Al wire. The porous nano particles were prepared by leaching for Al-Ni alloy nano powders in 20wt% NaOH aqueous solution. The structural properties of leached porous nano powder were investigated by nitrogen physisorption, X-ray diffraction (XRD) and transmission Microscope (TEM). The surface areas of the leached powders were increased with amounts of AI in alloys. The pore size distributions of these powders were exhibited maxima at range of pore diameters 3.0 to 3.5 nm from the desorption isotherm. The maximum values of those were decreased with amounts of Al in alloys.

• Proceedings of the Korean Institute of Resources Recycling Conference
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• 2005.10a
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• pp.168-172
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• 2005

동일한 추출제가 함유된 3종의 추출레진을 대상으로 중희토류인 Gd의 추출특성을 비교하였다. 실험조건은 $20^{\circ}C$에서 평형 pH, Gd 농도, 추출시간으로 하여 다음과 같은 결과를 얻었다. 추출레진에서 추출시간 5분이내에 $Gd^{3+}$ 이온이 90%이상 추출되며, 추출시간 30분 이후에 변화가 거의 없어 추출반응이 종결된 것으로 판단된다. 평형 pH. 2.2이하에서 분배비는 평형 pH에 대해 선형적으로 감소하였다. Freundlich's 흡착등온식을 도입하여 3종의 추출레진에 대해 적용해 본 결과 결정계수$(R^2)$ 0.95이상으로 나와, Freundlich's 흡착등온식에 부합됨을 알 수 있었다.

• 한국지구물리탐사학회:학술대회논문집
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• 2003.11a
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• pp.618-623
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• 2003

Solvent extraction experiments for separation of impurities from Ni-rich solution were carried out for manufacturing of high purity Ni compounds from acid leaching solution of spent Ni-Cd secondary battery. Artificial and leaching solutions were used as aqueous phases and PC88A saponified by sodium in kerosene were used as organic phase. The extraction order is Zn>Mn>Co>Ni and extraction percentage of metal ions was increased with increase of the concentration of extractant, initial pH of aqueous phase and ratio of O/A. The separation of cobalt, zinc and manganese from nickel was effectively accomplished at the condition of extraction stage=l, O/A=1 and initial pH 5.0 with 1.0 $mol/dm^3$ PC88A saponified to $50\%$ with NaOH.