Process to manufacture novel inhibited hydrofluoric acid composition

    公开(公告)号:US11525085B2

    公开(公告)日:2022-12-13

    申请号:US17338865

    申请日:2021-06-04

    摘要: A process for controlling the heat generated during the manufacture an inhibited hydrofluoric acid aqueous composition comprising: hydrofluoric acid in solution; a weak base; and an alkanolamine; said process comprising the steps of: providing a pre-determined amount of weak base; adding a pre-determined amount of said hydrofluoric acid to said weak base and obtaining a solution; adding said alkanolamine to the resulting solution of hydrofluoric acid and weak base; mixing until all components are dissolved; wherein said alkanolamine and hydrofluoric acid are present in a molar ratio of at least 1:1.

    PROCESS TO MANUFACTURE NOVEL INHIBITED HYDROFLUORIC ACID COMPOSITION

    公开(公告)号:US20210388265A1

    公开(公告)日:2021-12-16

    申请号:US17338865

    申请日:2021-06-04

    摘要: A process for controlling the heat generated during the manufacture an inhibited hydrofluoric acid aqueous composition comprising: hydrofluoric acid in solution; a weak base; and an alkanolamine; said process comprising the steps of: providing a pre-determined amount of weak base; adding a pre-determined amount of said hydrofluoric acid to said weak base and obtaining a solution; adding said alkanolamine to the resulting solution of hydrofluoric acid and weak base; mixing until all components are dissolved; wherein said alkanolamine and hydrofluoric acid are present in a molar ratio of at least 1:1.