The present disclosure relates, according to disclosed embodiments, to a system for extracting an organic compound from a natural source, the system comprising a computer processor operational to control the system; a storage vessel configured to store an extraction gas, the storage vessel comprising a storage vessel outlet in electrical communication with the computer processor; a valve in electrical communication with the computer processor, the valve comprising a valve inlet and a valve outlet, wherein the valve inlet connects to the storage vessel outlet; a dynamic extraction vessel; and a spray evaporation loop system configured to receive a solute from the dynamic extraction vessel, the spray evaporation loop system comprising an injection nozzle in electrical communication with the computer processor, the injection nozzle comprising an injection nozzle inlet connected to the first dynamic extraction vessel outlet; and a cyclonic separator in electrical communication with the computer processor.

The present disclosure relates, according to disclosed embodiments, to a system for extracting an organic compound from a natural source, the system comprising a computer processor operational to control the system; a storage vessel configured to store an extraction gas, the storage vessel comprising a storage vessel outlet in electrical communication with the computer processor; a valve in electrical communication with the computer processor, the valve comprising a valve inlet and a valve outlet, wherein the valve inlet connects to the storage vessel outlet; a dynamic extraction vessel; and a spray evaporation loop system configured to receive a solute from the dynamic extraction vessel, the spray evaporation loop system comprising an injection nozzle in electrical communication with the computer processor, the injection nozzle comprising an injection nozzle inlet connected to the first dynamic extraction vessel outlet; and a cyclonic separator in electrical communication with the computer processor.

There is described a system and a process for optimizing and controlling upstream fluid treatment processes using information on fluid characteristics obtained from response variables of a separation device (such as the belt speed or water level of an RBF). This system and process allow for the upstream or downstream treatment processes to be adjusted and optimized against the instantaneous operating conditions of the separation device such that both the pre-treatment and post-treatment processes and the separation system always run at an optimal efficiency. Additionally, since the information obtained from the response variables of the separation device truly reflect the fluid characteristics at the point where the separation system is installed, the same can be used to control a downstream process (for example, the amount of oxygen required in the biological oxidation stage or the sludge retention time in an side stream sludge treatment process such as fermentation or anaerobic digestion).

A method of filtrating liquid, the method comprising conducting a liquid through a filtering element, through an outlet line downstream of the filtering element and to a collection volume downstream of the outlet line; controlling a differential pressure of the liquid over the filtering element; and controlling a passing time of a filter flow of the liquid through the filtering element in conjunction with the differential pressure; wherein the control of the differential pressure and the passing time comprises controlling a collection volume liquid flow of the liquid out from the collection volume; and controlling a gas flow out from the collection volume. A filtration apparatus for filtrating liquid is also provided.

A filtration arrangement for a filtration apparatus for filtrating liquid, the filtration arrangement comprising a filtration vessel; a continuous filtering element for removing particles from liquid passing therethrough, the filtering element being arranged to move along a path into the filtration vessel and out from the filtration vessel; and two wheels sealingly engaging the filtering element on opposite sides thereof inside the filtration vessel, where each of the two wheels is rotatable relative to the filtration vessel along with movement of the filtering element. A filtration arrangement comprising a fluid ejecting device, and a filtration apparatus are also provided.

A ballast water treatment device including a cylindrical filter (2) that is disposed in a casing (1) and filters and externally discharges ballast water having flowed inside, comprising: a filter rotating unit (3) that rotates the filter (2) around a shaft center of the filter (2); a suction nozzle (4) that is disposed on the primary side of the filter (2) and opens toward the inner circumferential surface of the filter (2); a waste rinsing water discharging unit (5) that externally discharges waste rinsing water sucked by the suction nozzle (4) from the casing (1); a high-pressure fluid jet nozzle (40) that is disposed on the secondary side of the filter (2), opens toward the outer circumferential surface of the filter (2), and jets high-pressure fluid toward the filter (2); and a high-pressure fluid supplying unit (41) that supplies high-pressure fluid to the high-pressure fluid jet nozzle (40). The ballast water treatment device enables rinsing of the filter (2) to be performed efficiently and effectively, and achieves a simple structure and facilitated manufacture and maintenance.

A pool cleaner that may include a drive mechanism for moving the pool cleaner; a housing that has a first fluid opening and a second fluid opening; a filtering unit that comprises a filter enclosure and a filtering element; a fluid flow mechanism for inducing a flow of fluid through the filtering element in a first direction during a filtering process and for inducing a flow of the fluid through the filtering element at a substantially opposite direction during a backwash process; and a debris trap that is configured to receive debris from the filtering element during the backwash process and to substantially prevent the debris from exiting the debris trap during the filtering process.

An assembly includes at least one container, an injection medium supply, at least one flow line extending from the injection medium supply to an interior portion of the at least one container; and a pressure transducer coupled to each of the at least one flow line.

A disc filter system and method for dewatering a fiber suspension is disclosed. The disc filter system includes a disc filter and a control system. The disc filter comprises an inlet for introducing the fiber suspension into the vessel, a rotor shaft and a variable speed drive operatively coupled to the rotor shaft, and at least one filter element coupled to the rotor shaft wherein the at least one filter element rotates with the rotor shaft. The control system measures a torque on the variable speed drive and causes the variable speed drive to adjust the rotational speed of the rotor shaft from a first rotational speed to a second rotational speed based on the torque on the variable speed drive.

A water treatment method used in a water treatment device including a filter for filtering untreated water and a housing that houses the filter includes a step of putting the untreated water into the housing to obtain filtered water that has permeated through the filter, and a step of replacing the untreated water in the housing by storage water. The storage water is water having less favorable survival conditions for microbes than the untreated water.