SODIUM FERRITE PARTICLE POWDER AND METHOD FOR PRODUCING THE SAME

To provide a sodium ferrite particle powder that adsorbs carbon dioxide in a temperature range from room temperature to 100°C, can recover carbon dioxide by heating at 150°C or lower, and has superior moldability and processability, and a method for producing the particle powder.SOLUTION: A sodium f...

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Hauptverfasser:	SHIMO SHINYA, SAKAMOTO MUNEYOSHI, KURITA EIICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Zusammenfassung:	To provide a sodium ferrite particle powder that adsorbs carbon dioxide in a temperature range from room temperature to 100°C, can recover carbon dioxide by heating at 150°C or lower, and has superior moldability and processability, and a method for producing the particle powder.SOLUTION: A sodium ferrite particle powder contains at least one pentavalent metal acid sodium selected from pentavalent metal acid sodiums composed of Na3VO4 and NaNbO3 of 1 wt.%-20 wt.% with the molar ratio of Na/Fe being 1.0-1.5.SELECTED DRAWING: None 【課題】本発明は、二酸化炭素を室温から１００℃までの温度範囲で吸着し、１５０℃以下の加熱で二酸化炭素を回収でき、且つ成形性や加工性に富んだナトリウムフェライト粒子粉末、並びに該粒子粉末の製造方法を提供する。【解決手段】Ｎａ３ＶＯ４及びＮａＮｂＯ３からなる５価金属酸ナトリウムより選ばれた少なくとも１種類以上の５価金属酸ナトリウムを１重量％～２０重量％含み、Ｎａ／Ｆｅのモル比が１．０～１．５であることを特徴とするナトリウムフェライト粒子粉末である。【選択図】なし