公开(公告)号：US20160185599A1

公开(公告)日：2016-06-30

申请号：US14958854

申请日：2015-12-03

Applicant: OCI COMPANY LTD.

Inventor： Seung-Hyun HAN ,  Wook CHANG ,  Yeon-Hee LEE

IPC: C01B25/047

CPC classification number: C01B25/047

Abstract: The present invention relates to a method of purifying yellow phosphorus, and more particularly, to a method of effectively removing impurities from yellow phosphorus used as raw materials of a phosphoric acid to increase purity of the phosphoric acid, the method including: removing impurities from the phosphoric acid by adding an oxidizing agent to the yellow phosphorus, followed by stirring; and adding a solution including an additive having a specific functional group in a chemical structure to the yellow phosphorus from which the impurities are removed, followed by stirring.

Abstract translation: 本发明涉及一种纯化黄磷的方法，更具体地说，涉及一种有效去除磷酸原料的黄磷杂质的方法，以提高磷酸的纯度，该方法包括：从 通过向黄磷中加入氧化剂，然后搅拌; 并将包含化学结构中具有特定官能团的添加剂的溶液加入除去杂质的黄磷，然后搅拌。