Abstract: A water level sensor includes a first electrode, a second electrode and a controller. The first electrode is installed at a first height in a tank that stores water containing impurities including microorganisms that can form a biofilm. The second electrode is installed at a second height higher than the first height in the tank. The controller detects that water reaches the second height through contact of the first electrode and the second electrode with water.

Abstract: An information processing apparatus includes processing circuitry. The processing circuitry estimates a usage quantity of water by a consumer in a predetermined period based on a past usage quantity of water by the consumer. The processing circuitry determines proportions between water obtained from a water source and supplied water that is artificially supplied, in such a manner as to minimize, while satisfying the estimated usage quantity, a charge based on expense of purifying the water obtained from the water source and a charge for the supplied water.

Abstract: A water treatment apparatus management system which manages a household water treatment apparatus located at or near a place of water use, and treats water before treatment with at least one type of filter to produce treated water for the place of water use. The system includes: a filter information storage unit storing information regarding an in-service filter used in the household water treatment apparatus; an information receiver receiving information regarding performance change of the in-service filter from the household water treatment apparatus; and a water type estimation means that estimates a water type of the water before treatment based on the information regarding performance change and the information regarding the in-service filter. The information regarding the in-service filter includes reference information of performance change of the same or the same type of filter as the in-service filter for each of plural types of reference water before treatment.

Abstract: An information processing apparatus includes processing circuitry. The processing circuitry acquires measurement data from a plurality of sensors configured to measure different items. The processing circuitry estimates whether or not there is an abnormality in any of the plurality of sensors, based on the acquired measurement data of the items and measurement data of the items acquired in the past. The processing circuitry corrects measurement data measured by a sensor estimated to have an abnormality, based on the acquired measurement data of the items and the measurement data of the items acquired in the past.

Abstract: A membrane unit includes: a cross-flow membrane filter; a cylindrical casing housing the membrane filter; a cap provided with an inflow port that allows water to flow into the casing, a first discharge port that discharges, to outside of the casing, permeated water obtained as a result of water that flows into the casing from the inflow port permeating the membrane filter, and a second discharge port that discharges, to the outside of the casing, concentrated water obtained as a result of water being concentrated as a result of the permeated water permeating the membrane filter, the cap detachably occluding the casing; and a positioning member which is fixed to the cap taking the first discharge port as a reference, and which defines a position of the membrane filter inside the casing.

Abstract: A dispensing device includes: a pump that discharges a liquid; a pipe through which a liquid discharged by the pump flows; a dispensing portion that is connected to the pipe and dispenses a liquid that flows through the pipe; a nozzle that houses the pipe, the dispensing portion being arranged therein in an opening portion; and an antenna that is provided inside the nozzle and transmits and receives radio signals.

Abstract: Appropriately generate or update algorithms for a water circulation management system. In a filter management server having a processor for managing the water circulation management system equipped with various sensors including a treated water sensor and a drainage water sensor, for treating drainage water using one or more filters, the processor acquires, using the various sensors, predetermined information necessary for analysis of each of performance of the filters and status of use by a user of a water utilization unit. The processor generates, by analyzing the predetermined information and based on information from the various sensors, information related to timing of replacement of the one or more filters, and user use information including use status of a water utilization unit by the user and water use information including water pollution degree. The processor executes control to notify the user of the water use information and the user use information.

Abstract: The problem addressed by the present invention is to suitably generate or update an algorithm for a water treatment system. In a filter management server 1 for managing a water circulation management system W for treating wastewater using one or more filters 31, an acquisition unit 101 acquires information necessary for analyzing filter 31 performance or sample water DW. An analytical unit 102 analyzes the one or more filters 31 on the basis of the information acquired by the acquisition unit 101. An analysis results analytical unit 104 analyzes the one or more filters 31 or sample water DW on the basis of the results of the analysis by the analytical unit 102. An update unit 105 updates the algorithm for water treatment on the basis of the results of the analysis by the analysis results analytical unit 104. This configuration solves the aforementioned problem.

Abstract: A water treatment apparatus management system which manages a household water treatment apparatus located at or near a place of water use, and treats water before treatment with at least one type of filter to produce treated water for the place of water use. The system includes: a filter information storage unit storing information regarding an in-service filter used in the household water treatment apparatus; an information receiver receiving information regarding performance change of the in-service filter from the household water treatment apparatus; and a water type estimation means that estimates a water type of the water before treatment based on the information regarding performance change and the information regarding the in-service filter. The information regarding the in-service filter includes reference information of performance change of the same or the same type of filter as the in-service filter for each of plural types of reference water before treatment.

Abstract: Providing a water treatment system with which it is possible to efficiently share a plurality of water utilization means including a shower, and with which it is possible to use drain water in environments in which it is difficult to secure water. The water treatment system containing shower stalls which, when input water is used by a user, output the used water as drain water, wherein treated water sensors are capable of detecting a given physical amount, or an amount based thereon, pertaining to at least a portion among the water input to each information processing device controlling the shower stalls and the drain water output from each of the shower stalls. An information generation unit generates information pertaining to the use by a user of each of the shower stalls based on at least a portion of the results from the treated water sensors.

Abstract: A water treatment apparatus management system which manages a household water treatment apparatus located at or near a place of water use, and treats water before treatment with at least one type of filter to produce treated water for the place of water use. The system includes: a filter information storage unit storing information regarding an in-service filter used in the household water treatment apparatus; an information receiver receiving information regarding performance change of the in-service filter from the household water treatment apparatus; and a water type estimation means that estimates a water type of the water before treatment based on the information regarding performance change and the information regarding the in-service filter. The information regarding the in-service filter includes reference information of performance change of the same or the same type of filter as the in-service filter for each of plural types of reference water before treatment.

Abstract: An information processing apparatus including processing circuitry. The processing circuitry is configured to perform: receiving an input of a first data set relating to a laid water pipe and a second data set relating to an environment in which the water pipe operates; and for the water pipe laid in each area included in the first data set, identifying based on the second data set an evaluation parameter which is an evaluation of a value of the water pipe.

Abstract: The present disclosure aims to move water between a plurality of devices and create a cycle for reusing treated water generated by each device. A water treatment system includes a plurality of wastewater treatment machines provided for each source; a plurality of sensors that at least detect and output the water volume and water quality of treated water; tanks that store treated water as recirculation water; an excess water tank/storage tank that store excess water; and a control device that drive-controls the wastewater treatment machines and manages the water volume and water quality of treatment water in each source tank on the basis of sensor data from the sensors. The control device controls replenish shortages by using recirculation water from another source or excess water from an excess water tank, if a determination has been made that there is a shortage of recirculation water in one source, using sensor data.

Abstract: A water treatment apparatus includes a water receiver configured to receive an input of water; and an installation mechanism configured to include one or more slots in which a module for water treatment is installable. Among a plurality of types of modules available to be selected in accordance with a use of water treatment, at least one module includes a filter as a component, and the water treatment apparatus is configured to provide a water treatment function corresponding to the module to the water received at the water receiver by installing the module in one of the one or more slots.

Abstract: A water treatment apparatus comprising a control unit is provided. The control unit functions as: a module for receiving at least one of a data set relating to an environment in which a water treatment apparatus operates or a data set relating to water treatment of the water treatment apparatus in the environment; and a module for generating a trained model based on the acquired data set.

Abstract: The problem addressed by the present invention is to suitably generate or update an algorithm for a water treatment system. In a filter management server 1 for managing a water circulation management system W for treating wastewater using one or more filters 31, an acquisition unit 101 acquires information necessary for analyzing filter 31 performance or sample water DW. An analytical unit 102 analyzes the one or more filters 31 on the basis of the information acquired by the acquisition unit 101. An analysis results analytical unit 104 analyzes the one or more filters 31 or sample water DW on the basis of the results of the analysis by the analytical unit 102. An update unit 105 updates the algorithm for water treatment on the basis of the results of the analysis by the analysis results analytical unit 104. This configuration solves the aforementioned problem.

Abstract: The present invention addresses the problem of providing a water treatment system with which it is possible to efficiently share a plurality of water utilization means including a shower, and with which it is possible to use drain water in environments in which it is difficult to secure water. Provided is a water treatment system containing shower stalls 5-1 to 5-4 which, when input water is used by a user, output the used water as drain water, wherein treated water sensors 4C-1 to 4C-4 are capable of detecting a given physical amount, or an amount based thereon, pertaining to at least a portion among the water input to each information processing device controlling the shower stalls 5-1 to 5-4 and the drain water output from each of the shower stalls 5-1 to 5-4. An information generation unit 102 generates information pertaining to the use by a user U of each of the shower stalls 5-1 to 5-4 on the basis of at least a portion of the results from the treated water sensors 4C-1 to 4C-4.

Abstract: A water treatment apparatus management system which manages a household water treatment apparatus located at or near a place of water use, and treats water before treatment with at least one type of filter to produce treated water for the place of water use. The system includes: a filter information storage unit storing information regarding an in-service filter used in the household water treatment apparatus; an information receiver receiving information regarding performance change of the in-service filter from the household water treatment apparatus; and a water type estimation means that estimates a water type of the water before treatment based on the information regarding performance change and the information regarding the in-service filter. The information regarding the in-service filter includes reference information of performance change of the same or the same type of filter as the in-service filter for each of plural types of reference water before treatment.