A sparging device, especially for use in a bioprocess, including a medium chamber and at least one gas chamber. The gas chamber at least partially surrounds the medium chamber, or the medium chamber at least partially surrounds the gas chamber. The medium chamber and the gas chamber are separated from each other by a wall. The wall has a plurality of through-holes or is composed of a porous material, such as a membrane or a porous ceramic. The sparging device further includes at least one gas inlet port opening into the gas chamber for inflow of gas.

A continuous flow reactor without any moving parts to facilitate solid-liquid reaction without clogging is disclosed herein. It comprises plurality of identical cavities in series/sequence, each cavity being provided with: a pair of inlets at the top to allow entry of reactants into the reactor; an outlet at the bottom to allow the reactants to the next cavity for mixing; and a jacket covering around the cavities to provide heating or cooling effect as per the requirement. The outlet of the previous cavity is inclined at a suitable angle relative to the outlet of the next cavity to prevent clogging and facilitate efficient mixing of the reactants.

Dispensing sequences for beverage mixture dispensing systems are disclosed. A disclosed method for operating a beverage mixture dispensing system includes flowing a first solvent from a first reservoir to a mixing area of the beverage mixture dispensing system, dispensing concentrated ingredients into the mixing area to combine the first solvent from the first reservoir with the concentrated ingredients to form an intermediate mixture, flowing the intermediate mixture to a mixing chamber of the beverage mixture dispensing system, flowing a sweetening liquid from a second reservoir to the mixing chamber, without flowing the sweetening liquid through the mixing area, to combine the sweetening liquid from the second reservoir with the intermediate mixture to form a beverage, and dispensing the beverage from the mixing chamber. A disclosed device is configured to execute this method. A disclosed computer-readable medium includes instructions for a device to execute this method.

Disclosed herein is a device (1) for generating a dispersion of a first phase in a second phase, the device comprising a first inlet (2) for supplying a first phase, which opens into a first chamber (4), a second inlet for supplying a second phase, opening into a second chamber and a dispersion outlet (6) for collecting the dispersion. Furthermore, the device comprises a membrane (7), which separates the first chamber (4) and the second chamber (5) and which comprises a first side (8) facing the first chamber (4) and a second side (9) facing the second chamber (5). The membrane (7) comprises multiple channels (10) extending from the first side (8) to the second side (9), providing a fluidic connection between the first chamber (4) and the second chamber (5). Each channel (10) comprises a channel inlet (11) arranged on the first side (8) mid a channel outlet 812) arranged on the second side (9). The first chamber (4) is typically configured such that a flow rate of the first phase through all of the individual channels (10) is essentially equal.

There is provided a stirring device including a stirring tank including an inner peripheral wall which is circular in cross section, at least one circulating impeller and at least one dispersion blade which are located inside the stirring tank and rotatable around a vertical axis independently of each other, and a guide ring disposed radially outward near the dispersion blade. The circulating impeller is disposed along the inner peripheral wall of the stirring tank, and rotates around the vertical axis to form at least a downward flow in a stirring object existing inside the stirring tank. The dispersion blade rotates to apply a shear force to the stirring object, and is disposed at a radially inner position of the stirring tank from the circulating impeller, and at a position in contact with a flow of the stirring object, which is formed by the circulating impeller.

A fine bubble generating apparatus has a storage tank, a liquid feeding unit suctioning and feeding liquid stored in the storage tank, a gas discharge unit discharging gas into the liquid which is being fed by the liquid feeding unit, and a storage tank. The gas discharge unit includes a gas discharge member with pores having pore diameters of 1.5 μm or less, and a base member having a groove formed in a surface contacting the gas discharge surface of the gas discharge member. The liquid feeding unit moves the liquid along the gas discharge surface of the gas discharge member by causing the liquid to flow in a flow channel enclosed by the gas discharge surface of the gas discharge member and the groove of the base member such that a velocity relative to the gas discharge member is not less than 1 msec.

An emulsification device disclosed herein comprises: an outer tank having a first pressing end and a first exit end; and an inner tank having a second pressing end and a second exit end, wherein the inner tank is disposed inside the outer tank and the second exit end is located closer than the second pressing end to the first exit end, the outer tank is configured to house a first liquid and the inner tank is configured to house a second liquid, the first and second pressing ends are arranged so that one pressure can be applied onto both the first and second liquids, and under the pressure, the second liquid flows out of the inner tank through the second exit end and contacts with the first liquid in the outer tank so that an emulsion droplet comprising the second liquid within the first liquid is formed.

A method for producing an electrostatic image developing toner includes mixing toner particles containing an amorphous resin with additive particles. A mixing device used in the mixing includes a stirring vessel, a stirring blade, and a jacket configured to cool the stirring vessel, and condition (1) and condition (2) are satisfied. Condition (1): an internal temperature Ti of the mixing device in the mixing and a glass transition temperature Tg of the amorphous resin contained in a near-surface portion of the toner particles satisfy Tg−50° C.≤Ti<Tg (inequality 1). Condition (2): 0.08≤ (Pm−P0)/w≤0.50 (inequality 2) is satisfied. In inequality 2, Pm represents an average power (kW) of a motor for driving the stirring blade of the mixing device in the mixing, P0 represents an idling power (kW) of the motor, and w represents a total mass (kg) of the toner particles and the additive particles in the mixing device.

The present invention pertains to: a batch-type suspension polymerization stirrer for producing polyvinyl chloride; and a batch-type suspension polymerization reactor using same. More specifically, the present invention pertains to a batch-type exothermic reactor for performing vinyl chloride polymerization while controlling the internal temperature of an exothermic reaction chamber. Even more specifically, the present invention pertains to an invention wherein the structure of a reflux condenser among jacket, baffle, and reflux condenser devices responsible for heat removal in a reactor is designed to improve productivity and polymerization efficiency.

An expanded particle producing apparatus includes a vessel and a blade stirrer that is located inside the vessel. The blade stirrer comprises a stirrer base and an impeller blade that is attached to the stirrer base. A distance from the bottom of the vessel to the center of the stirrer base (L1) and a depth of the vessel (L2) have a ratio (L1/L2) of 0.01 to 0.2. L1 is measured in a depth direction parallel to L2, and a central axis of the blade stirrer coincides with a central axis of the vessel. The apparatus is configured to produce expanded particles.