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US 2022/0371892 A1Published application
Method for purifying yellow phosphorus and method for producing high-purity phosphoric acid
AssigneeRin Kagaku Kogyo Co., Ltd.
InventorsManabu TAKANAGA, Norihiro TSUKADA, Katsuhiro YANO, Akinori SHIMONO
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Abstract
The disclosure relates to a method for purifying yellow phosphorus including bringing yellow phosphorus and wood-based activated carbon into contact with each other. The disclosure also relates to a method for producing high-purity phosphoric acid including generating a gas of phosphorus pentoxide by burning yellow phosphorus obtained by the purifying method and then hydrating the gas.
Claims20
A method for producing purified yellow phosphorus, comprising bringing yellow phosphorus and wood-based activated carbon into contact with each other.
Dependencies are inferred from the claim text.