日本産LD純酸素製鋼法煙塵の塵肺鉱物学的研究
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About 4 samples of effluent fume dusts from the LD pure oxygen refining process from 3 different localities in Japan were studied in the light of pneumoconiosis mineralogy an electron by mean of microscope and by micron photo-tub methods and X-ray powder methods and through differential thermal and chemical analysis. The following results have been obtained. <BR>(1) The particles of siderosis minerals in the effluent fume dusts and the sludges from the LD pure oxygen refining process are below 1 micron in size of iron oxide particulate matters. <BR>(2) The siderosis heavy minerals are below 0.1 micron in size, the siderosis light minerals are 1 micron to 0.1 micron in size of iron oxide particulate matters. <BR>(3) The pneumoconiosis mineralogical composition in the effluent fume dusts are maghemite (γ-Fe<SUB>2</SUB>O<SUB>3</SUB>) and Kokaneite(β-Fe<SUB>2</SUB>O<SUB>3</SUB>). <BR>(4) The pneumoconiosis mineraIogical composition in <0.1 micron in size of LD-sludges are magnetite(Fe<SUB>3</SUB>O<SUB>4</SUB>), hematite(α-Fe<SUB>2</SUB>O<SUB>3</SUB>), Kokaneite(β-Fe<SUB>2</SUB>O<SUB>3</SUB>), maghemite(γ-Fe<SUB>2</SUB>O<SUB>3</SUB>). <BR>(5) The pneumoconiosis mineralogical composition in 1 micron-0.1 micron in size of LD-sludges are goethite-hydrogoethite (α-Fe<SUB>2</SUB>O<SUB>3</SUB>·H<SUB>2</SUB>O·-α-Fe<SUB>2</SUB>O<SUB>3</SUB>·H<SUB>2</SUB>O·aq), akaganeite-hydroakaganeite (β-Fe<SUB>2</SUB>O<SUB>3</SUB>· H<SUB>2</SUB>O-β-Fe<SUB>2</SUB>O<SUB>3</SUB>·H<SUB>2</SUB>O·aq), lepidocrocite-hydrolepidocrocite (γ-Fe<SUB>2</SUB>O<SUB>3</SUB>·H<SUB>2</SUB>O-γ-Fe<SUB>2</SUB>O<SUB>3</SUB>·H<SUB>2</SUB>O·aq), hydro-magnetite (Fe<SUB>3</SUB>O<SUB>4</SUB>·aq), hydrohematite (α-Fe<SUB>2</SUB>O<SUB>3</SUB>·aq), hydrokokaneite (β-Fe<SUB>2</SUB>O<SUB>3</SUB>·aq), hydrgmaghemite (γ-Fe<SUB>2</SUB>O<SUB>3</SUB>·aq), green rust (1)-hydrogreen rust (1) (Fe<SUB>3</SUB>O<SUB>4</SUB>·2H<SUB>2</SUB>O (?)-Fe<SUB>3</SUB>O<SUB>4</SUB>·2H<SUB>2</SUB>O·aq (?)) <SUP>25)</SUP>, green rust (11)-hydrogreen rust (11) (Fe<SUB>3</SUB>O<SUB>4</SUB>·4/3 H<SUB>2</SUB>O (??)-Fe<SUB>3</SUB>O<SUB>4</SUB>·4/3 H<SUB>2</SUB>O aq (??))<SUP>25)</SUP>, amorphous ferric oxide hydrate (Fe<SUB>2</SUB>O<SUB>3</SUB>·nH<SUB>2</SUB>O).
- 社団法人 日本材料学会の論文
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