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    • 2. 发明申请
    • SYSTEM AND METHODS FOR BIOLOGICAL SELENIUM REMOVAL FROM WATER
    • 从水中去除生物硒的系统和方法
    • WO2007146658A3
    • 2008-02-14
    • PCT/US2007070378
    • 2007-06-05
    • HONEYWELL INT INCLUPTON FRANCIS SSHERIDAN WILLIAM G
    • LUPTON FRANCIS SSHERIDAN WILLIAM G
    • C02F3/28C02F3/30
    • C02F3/2806C02F3/30C02F2101/20C02F2209/06
    • A biological system (100) for removing selenium from waste water comprises a first immobilized cell bioreactor (ICB) (101) and a selenide removal module (30). The first ICB comprises a chamber (80) having a substrate (88) housed therein and situated to contact the waste water flowing therethrough during use. Anaerobic microorganisms (92) are supported on the substrate, and comprise selenium respiring bacteria capable of reducing selenates and selenites to insoluble elemental selenium and/or sulfate reducing bacteria capable of reducing selenates and selenites to insoluble elemental selenium or to soluble selenides. The selenide removal module includes metallic or oxidized iron compounds capable of chemically reacting with selenide or sulfide compounds in the waste water to form iron selenide or iron sulfide precipitates.
    • 用于从废水中除去硒的生物系统(100)包括第一固定化细胞生物反应器(ICB)(101)和硒化物去除模块(30)。 第一ICB包括具有容纳在其中的基板(88)的腔室(80),并被设置成在使用期间与在其中流动的废水接触。 厌氧微生物(92)负载在底物上,并且包含能够将硒酸盐和亚硒酸盐还原成能够将硒酸盐和亚硒酸盐还原成不溶性元素硒或可溶性硒化物的不溶性元素硒和/或硫酸盐还原细菌的硒呼吸细菌。 硒化物去除模块包括能够在废水中与硒化物或硫化物化学反应的金属或氧化铁化合物,形成硒化铁或硫化铁沉淀物。
    • 3. 发明申请
    • SYSTEM AND METHODS FOR BIOLOGICAL SELENIUM REMOVAL FROM WATER
    • 从水中去除生物硒的系统和方法
    • WO2007146658A2
    • 2007-12-21
    • PCT/US2007/070378
    • 2007-06-05
    • HONEYWELL INTERNATIONAL INC.LUPTON, Francis S.SHERIDAN, William G.
    • LUPTON, Francis S.SHERIDAN, William G.
    • C02F3/28C02F3/30
    • C02F3/2806C02F3/30C02F2101/20C02F2209/06
    • A biological system (100) for removing selenium from waste water comprises a first immobilized cell bioreactor (ICB) (101) and a selenide removal module (30). The first ICB comprises a chamber (80) having a substrate (88) housed therein and situated to contact the waste water flowing therethrough during use. Anaerobic microorganisms (92) are supported on the substrate, and comprise selenium respiring bacteria capable of reducing selenates and selenites to insoluble elemental selenium and/or sulfate reducing bacteria capable of reducing selenates and selenites to insoluble elemental selenium or to soluble selenides. The selenide removal module includes metallic or oxidized iron compounds capable of chemically reacting with selenide or sulfide compounds in the waste water to form iron selenide or iron sulfide precipitates.
    • 用于从废水中除去硒的生物系统(100)包括第一固定化细胞生物反应器(ICB)(101)和硒化物去除模块(30)。 第一ICB包括具有容纳在其中的基板(88)的腔室(80),并被设置成在使用期间与在其中流动的废水接触。 厌氧微生物(92)负载在底物上,并且包含能够将硒酸盐和亚硒酸盐还原成能够将硒酸盐和亚硒酸盐还原成不溶性元素硒或可溶性硒化物的不溶性元素硒和/或硫酸盐还原细菌的硒呼吸细菌。 硒化物去除模块包括能够在废水中与硒化物或硫化物化学反应的金属或氧化铁化合物,形成硒化铁或硫化铁沉淀物。