Über die Keimbildung in unlegiertem Kupfer und unlegiertem Eisen

Löhberg, Karl; Röhrig, Klaus; Sahm, Peter R.

doi:10.1007/978-3-663-07348-2

Cited by 1 publication

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“…It is known that a uniform liquid in an Fe-Cu system separates into two immiscible phases, i.e., a Cu-rich phase and an Fe-rich phase, when C is added to the system. [1][2][3][4][5] Based on this phenomenon, the recovery of Cu and Fe from Fe-Cu mixed scraps such as motor cores and polychlorinated biphenyl transformers has been investigated by Marukawa and Tanaka et al 6,7) It has also been reported that the minor metals contained in an Fe-Cu-C system are distributed between the Cu-rich and Fe-rich phases. [8][9][10][11][12][13] This behavior can be used to recover the minor metals from the phase in which they are concentrated, and to remove impurities from phases in which impurities are concentrated.…”

Section: Introductionmentioning

confidence: 99%

Neodymium Distribution between Cu-rich and Fe-rich Phases in Two Immiscible Liquids in Fe–Cu–C System

Nakamoto

Tanaka

et al. 2013

ISIJ Int.

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Recovery of Nd from used products is a crucial problem to be solved for a stable supply of Nd resource. In the present work, the use of two immiscible liquids, i.e. a Cu-rich phase and an Fe-rich phase, in an Fe-Cu-C system was regarded as one of the solutions for this purpose and the distributions of Nd between two immiscible liquids in an Fe-Cu-C system were measured. We found Nd is distributed in the Cu-rich phase more than in the Fe-rich phase in an Fe-Cu-C system and Nd is more concentrated at low temperatures than at high temperatures. In addition, the thermodynamic parameters for Nd were obtained based on the experimental results.

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