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    • 1. 发明授权
    • Method for separating suspended solids from a waste fluid
    • 从废液中分离悬浮固体的方法
    • US08404121B2
    • 2013-03-26
    • US12462878
    • 2009-08-11
    • Joel BiasBrian Ross
    • Joel BiasBrian Ross
    • C02F1/24
    • B01D35/00B03D1/028B03D1/1418B03D1/1431B03D1/1487C02F1/24
    • The disclosure relates to a separation process. An aerated inlet mixture of fluid and solids is fed to a flotation separation vessel and is separated into an upper float layer and a lower clarified layer. The upper float layer is withdrawn from the vessel when the height of the upper float layer exceeds the height of an overflow conduit and forms a concentrated solids effluent. The lower clarified layer is withdrawn from the separation vessel as a clarified fluid effluent. The separation process is performed continuously using a control process that maintains a relatively stable distribution between the lower clarified layer and the upper float layer. The control process is a closed loop process that monitors the instantaneous height of the vessel contents and computes an error function based on the instantaneous height and a set-point height. The error function is used to periodically adjust the outlet flowrate of the clarified fluid effluent. The resulting process has improved stability (e.g., being continuously operable without interruption and/or operable for extended periods between intermittent cleaning processes) and provides a concentrated solids effluent with solids concentrations higher than those previously attainable in similar separation processes.
    • 本公开涉及分离过程。 将流体和固体的充气入口混合物进料到浮选分离容器中,并分离成上浮体层和下澄清层。 当上浮体层的高度超过溢流导管的高度并形成浓缩固体流出物时,将上浮体层从容器中取出。 下层澄清层作为澄清的流体流出物从分离容器中取出。 使用在下澄清层和上浮体层之间保持相对稳定的分布的控制过程连续进行分离过程。 控制过程是闭环过程,监视容器内容物的瞬时高度,并根据瞬时高度和设定点高度计算误差函数。 误差函数用于周期性地调节澄清流体流出物的出口流量。 所得到的方法具有改善的稳定性(例如,连续操作而不间断地和/或可在间歇清洗过程之间延长的时间间隔地操作),并且提供固体浓度高于在类似分离过程中可获得的固体浓度的浓缩固体流出物。
    • 2. 发明授权
    • Method for separating suspended solids from a waste fluid
    • 从废液中分离悬浮固体的方法
    • US08691089B2
    • 2014-04-08
    • US13750519
    • 2013-01-25
    • Joel BiasBrian Ross
    • Joel BiasBrian Ross
    • C02F1/24
    • B01D35/00B03D1/028B03D1/1418B03D1/1431B03D1/1487C02F1/24
    • The disclosure relates to a separation process. An aerated inlet mixture of fluid and solids is fed to a flotation separation vessel and is separated into an upper float layer and a lower clarified layer. The upper float layer is withdrawn from the vessel when the height of the upper float layer exceeds the height of an overflow conduit and forms a concentrated solids effluent. The lower clarified layer is withdrawn from the separation vessel as a clarified fluid effluent. The separation process is performed continuously using a control process that maintains a relatively stable distribution between the lower clarified layer and the upper float layer. The control process is a closed loop process that monitors the instantaneous height of the vessel contents and computes an error function based on the instantaneous height and a set-point height. The error function is used to periodically adjust the outlet flowrate of the clarified fluid effluent. The resulting process has improved stability (e.g., being continuously operable without interruption and/or operable for extended periods between intermittent cleaning processes) and provides a concentrated solids effluent with solids concentrations higher than those previously attainable in similar separation processes.
    • 本公开涉及分离过程。 将流体和固体的充气入口混合物进料到浮选分离容器中,并分离成上浮体层和下澄清层。 当上浮体层的高度超过溢流导管的高度并形成浓缩固体流出物时,将上浮体层从容器中取出。 下层澄清层作为澄清的流体流出物从分离容器中取出。 使用在下澄清层和上浮体层之间保持相对稳定的分布的控制过程连续进行分离过程。 控制过程是闭环过程,监视容器内容物的瞬时高度,并根据瞬时高度和设定点高度计算误差函数。 误差函数用于周期性地调节澄清流体流出物的出口流量。 所得到的方法具有改善的稳定性(例如,连续操作而不间断地和/或可在间歇清洗过程之间延长的时间间隔地操作),并且提供固体浓度高于在类似分离过程中可获得的固体浓度的浓缩固体流出物。
    • 3. 发明申请
    • Method for separating suspended solids from a waste fluid
    • 从废液中分离悬浮固体的方法
    • US20110036779A1
    • 2011-02-17
    • US12462878
    • 2009-08-11
    • Joel BiasBrian Ross
    • Joel BiasBrian Ross
    • B01D21/34B01D21/01B01D21/24
    • B01D35/00B03D1/028B03D1/1418B03D1/1431B03D1/1487C02F1/24
    • The disclosure relates to a separation process. An aerated inlet mixture of fluid and solids is fed to a flotation separation vessel and is separated into an upper float layer and a lower clarified layer. The upper float layer is withdrawn from the vessel when the height of the upper float layer exceeds the height of an overflow conduit and forms a concentrated solids effluent The lower clarified layer is withdrawn from the separation vessel as a clarified fluid effluent. The separation process is performed continuously using a control process that maintains a relatively stable distribution between the lower clarified layer and the upper float layer. The control process is a closed loop process that monitors the instantaneous height of the vessel contents and computes an error function based on the instantaneous height and a set-point height The error function is used to periodically adjust the outlet flowrate of the clarified fluid effluent. The resulting process has improved stability (e.g., being continuously operable without interruption and/or operable for extended periods between intermittent cleaning processes) and provides a concentrated solids effluent with solids concentrations higher than those previously attainable in similar separation processes.
    • 本公开涉及分离过程。 将流体和固体的充气入口混合物进料到浮选分离容器中,并分离成上浮体层和下澄清层。 当上浮体层的高度超过溢流导管的高度并形成浓缩固体流出物时,将上浮体层从容器中取出。下澄清层作为澄清的流体流出物从分离容器中排出。 使用在下澄清层和上浮体层之间保持相对稳定的分布的控制过程连续进行分离过程。 控制过程是一个闭环过程,监控容器内容物的瞬时高度,并基于瞬时高度和设定点高度计算误差函数误差函数用于周期性调整澄清流体流出物的出口流量。 所得到的方法具有改善的稳定性(例如,连续操作而不间断地和/或可在间歇清洗过程之间延长的时间间隔地操作),并且提供固体浓度比先前在类似的分离过程中可获得的固体浓度更高的浓缩固体流出物。