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A platform for research: civil engineering, architecture and urbanism
MANUFACTURING METHOD OF HIGH ACTIVITY COPPER SLAG FINE POWDER, HIGH ACTIVITY COPPER SLAG FINE POWDER, AND CEMENT COMPOSITION
PROBLEM TO BE SOLVED: To provide a manufacturing method of a high activity copper slag fine powder capable of modifying copper slag produced as by-product in a copper refining facility as high activity copper flag which can be used as an admixture for cement.SOLUTION: There is provided a manufacturing method of a high activity copper slag fine powder by pulverizing massive copper slag having a composition having content of iron oxide in a range of 35 mass% to 55 mass%, content of silicon dioxide in a range of 28 mass% to 38 mass%, content of calcium oxide in a range of 1 mass% to 10 mass%, content of aluminum oxide in a range of 2 mass% to 8 mass%, and average particle diameter of 1 mm to 50 mm to obtain fine powder having Blaine specific surface area of 2000 cm/g or more.SELECTED DRAWING: None
【課題】銅精錬所において副生した銅スラグを用いて、セメント用混合材として用いることができる高活性な銅スラグとして改質できる高活性銅スラグ微粉末の製造方法を提供する。【解決手段】酸化鉄の含有量が３５質量％以上５５質量％以下の範囲、二酸化けい素の含有量が２８質量％以上３８質量％以下の範囲、酸化カルシウムの含有量が１質量％以上１０質量％以下の範囲、酸化アルミニウムの含有量が２質量％以上８質量％以下の範囲にある組成を有し、平均粒径が１ｍｍ〜５０ｍｍの塊状銅スラグを、ブレーン比表面積が２０００ｃｍ２／ｇ以上の微粉末となるまで粉砕する高活性銅スラグ微粉末の製造方法。【選択図】なし
MANUFACTURING METHOD OF HIGH ACTIVITY COPPER SLAG FINE POWDER, HIGH ACTIVITY COPPER SLAG FINE POWDER, AND CEMENT COMPOSITION
PROBLEM TO BE SOLVED: To provide a manufacturing method of a high activity copper slag fine powder capable of modifying copper slag produced as by-product in a copper refining facility as high activity copper flag which can be used as an admixture for cement.SOLUTION: There is provided a manufacturing method of a high activity copper slag fine powder by pulverizing massive copper slag having a composition having content of iron oxide in a range of 35 mass% to 55 mass%, content of silicon dioxide in a range of 28 mass% to 38 mass%, content of calcium oxide in a range of 1 mass% to 10 mass%, content of aluminum oxide in a range of 2 mass% to 8 mass%, and average particle diameter of 1 mm to 50 mm to obtain fine powder having Blaine specific surface area of 2000 cm/g or more.SELECTED DRAWING: None
【課題】銅精錬所において副生した銅スラグを用いて、セメント用混合材として用いることができる高活性な銅スラグとして改質できる高活性銅スラグ微粉末の製造方法を提供する。【解決手段】酸化鉄の含有量が３５質量％以上５５質量％以下の範囲、二酸化けい素の含有量が２８質量％以上３８質量％以下の範囲、酸化カルシウムの含有量が１質量％以上１０質量％以下の範囲、酸化アルミニウムの含有量が２質量％以上８質量％以下の範囲にある組成を有し、平均粒径が１ｍｍ〜５０ｍｍの塊状銅スラグを、ブレーン比表面積が２０００ｃｍ２／ｇ以上の微粉末となるまで粉砕する高活性銅スラグ微粉末の製造方法。【選択図】なし
MANUFACTURING METHOD OF HIGH ACTIVITY COPPER SLAG FINE POWDER, HIGH ACTIVITY COPPER SLAG FINE POWDER, AND CEMENT COMPOSITION
高活性銅スラグ微粉末の製造方法、高活性銅スラグ微粉末およびセメント組成物
SHIRAHAMA NOBUHIKO (author) / YAMASHITA MAKIO (author)
2018-11-08
Patent
Electronic Resource
Japanese
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