To provide a liquid treatment apparatus capable of properly controlling a control object, even when a rate of flow at which the object circulates through a filter is small, in controlling the control object according to differential pressure before and after the filter.SOLUTION: Provided is a liquid treatment apparatus 100 with a filter 2, that comprises a pressure sensor 6, a flow meter 9, and controlling means 7. In the liquid treatment apparatus 100, the pressure sensor 6 is configured to detect a primary pressure P1 and a secondary pressure P2 in the filter 2, and the flow meter 9 is configured to detect a flow rate of a liquid subjected to filtration treatment by the filter 2. Further, the controlling means 7 controls a control object by comparing a differential pressure ΔP of the primary pressure P1 and the secondary pressure P2 detected by the pressure sensor 6 to a threshold Pq set on the basis of the flow rate of the liquid detected by the flow meter 9.SELECTED DRAWING: Figure 1


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    Titel :

    バラスト水処理装置


    Erscheinungsdatum :

    2023-03-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B01D SEPARATION , Trennen / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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