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    • 2. 发明申请
    • PROCESS OF TREATMENT FOR OXIDIZING AN ACIDIC SOLUTION CONTAINING AN IODIDE ION AND AN IRON (II) ION
    • 用于氧化含有碘离子和铁(II)离子的酸性溶液的处理方法
    • US20120237995A1
    • 2012-09-20
    • US13418654
    • 2012-03-13
    • Kenichi KUWANOAkira MIURA
    • Kenichi KUWANOAkira MIURA
    • C12P3/00
    • C12P3/00C12M25/20C12N11/00C12N11/14C22B3/18C22B3/44C22B15/0069Y02P10/234Y02P10/236
    • [Problem to be Solved]A method for producing an iron (III) ion from the acidic solution containing an iodide ion and an iron (II) ion efficiently and stably is provided.[Means for Solving Problem]A method comprising performing the following steps (a)-(b), repeatedly and continuously: (a) a step wherein the iron (II) ion in the acidic solution containing the iodide ion and the iron (II) ion is oxidized into iron (III) ion in a reactor using a microbes immobilizing carrier to which iron oxidizing microbes attached; (b) a step wherein sedimentation of the solution obtained in the step (a) is performed in a sedimentation tank to obtain the solution containing the iron (III) ion and concurrently the sediment of the microbes immobilizing carrier to which said iron oxidizing microbes have attached is recovered and then reintroduced into the reactor in the step (a).
    • [待解决的问题]提供了从含有碘离子和铁(II)离子的酸性溶液中有效且稳定地制备铁(III)离子的方法。 解决问题的方法包括重复并连续地执行以下步骤(a) - (b)的方法:(a)将含有碘离子和铁(II)的酸性溶液中的铁(II)离子 )离子在反应器中被氧化成铁(III)离子,使用固定铁氧化微生物的微生物固定载体; (b)在沉淀池中进行步骤(a)中得到的溶液的沉降,得到含有铁(III)离子的溶液,同时还含有所述铁氧化微生物所固定的载体的微生物沉积物 在步骤(a)中回收附着物,然后重新引入反应器。