@article{oai:nagasaki-u.repo.nii.ac.jp:00015870, author = {古賀, 秀人 and 内山, 休男 and 安芸, 隆房}, issue = {5}, journal = {長崎大学工学部研究報告, Reports of the Faculty of Engineering, Nagasaki University}, month = {Dec}, note = {In order to study the process of the extraction of manganese from low-grade manganese ores and the recovery of manganese from open-hearth slugs, the thermodynamics of the reactions in the Mn-O,M n-S-O and Mn-C-O systems were discussed, and the thermodynamic stabilities of the metal and individual manganese compounds were shown in predominance area diagrams for various temperatures. From this diagrams, we can estimate the conditions of the formation and decomposition of some manganese compound., 長崎大学工学部研究報告, (5), pp.125-134; 1974}, pages = {125--134}, title = {Mn-O系, Mn-S-O系およびMn-C-O系の反応に関する研究〔I〕}, year = {1974} }