Abstract: The present application discloses a sand removal device for a cooling tower and the sand removal device comprises a flushing assembly and a cyclone sand removal assembly. The flushing assembly comprises a first pipeline with a plurality of water outlets, and the first pipeline is used to spray liquid towards the bottom of the cooling tower through the plurality of water outlets. The cyclone sand removal assembly is used to extract the liquid at the bottom of the cooling tower, perform a sand removal treatment on the liquid and then discharge the sand-removed liquid into the bottom of the cooling tower. Through the present application, the sand removal effect on the liquid can be improved.

Abstract: The present invention relates to a process for the purification of an acidic human milk oligosaccharide (HMO) from a fermentation broth using ion exchange methods. This process allows for a reduction of the number and/or extent of desalting operations, such as electrodialysis. It is even possible to refrain from such operations.

Abstract: Methods and systems are described for removing carbon dioxide from the atmosphere by adding CO2-reactive chemical base to a body of water in contact with the atmosphere, and determining the quantity of carbon dioxide removed from the atmosphere or prevented from reaching the atmosphere. The alkalinity addition to the body of water is controlled by a dosing apparatus capable of determining an amount of CO2-reactive alkalinity required for achieving a permissible target carbon dioxide removal. A rate of alkalinity flow is affected by input from sensors that monitor conditions in the body of water.

Abstract: Embodiments described herein relate to methods and systems for dewatering alcoholic solutions via forward osmosis.

Abstract: A self-cleaning mechanism for a filtration system, being disclosed, comprising a filter element positioned in a filtration chamber and a suction scanner for cleaning the filter element upon activation of a cleaning session, wherein a linear motion of the suction scanner between an initial position and a final position is automatically regulated by a linear displacement regulator comprising (i) a regulative-fluid compartment in liquid communication with a regulative flow-restrictor; and (ii) a regulative-fluid compression element linearly comoving with the suction scanner for enforcing a regulative-fluid filled in the regulative-fluid compartment, to flow through the regulative flow-restrictor. Further being disclosed are a filtration system comprising said self-cleaning mechanism, and a method for regulating the linear displacement of a suction scanner of a self-cleaning filtration system by said linear displacement regulator.

Abstract: Embodiments relate to an ultraviolet light-based disinfection device and method. The ultraviolet disinfection device, according to one embodiment, may disinfect a fluid on the basis of ultraviolet light, without injecting a drug or using a harmful material such as mercury. The device comprises a fluid supply unit, a flow sensing unit, a power unit, first and second reaction units, and first and second light source units emitting ultraviolet light of 265±5 nm and 278±7 nm wavelengths, respectively. The reaction units are configured to maximize contact between the fluid and ultraviolet light while preventing wavelength interference and improving disinfection efficiency.

Abstract: A system, a cartridge and a dispensing valve for eliminating a drift or sag in BCDMH output from an inline dispensing valve containing a dispensing cartridge mountable within the inline dispensing valve with the dispensing cartridge containing a batch of water erodible cluster inhibiting BCDMH particles to provide a linear output flow of BCDMH which is responsive to flow of water though a cartridge in the dispensing valve and a method of obtaining a linear output in a dispensing system by increasing the size of particles in a dispensing cartridge in the system.

Abstract: The invention provides a rain water collection, filtration, and life boat system. The system comprises a rain catcher unit with a life boat having a water tank, and a connecting hose. The connecting hose connects the rain catcher to the water tank of the lifeboat to allow a flow of collected rain water from the rain catcher to the water tank. The connecting hose comprises a flexible tube and a plurality of liquid filters, wherein the plurality of liquid filters is positioned in predetermined distances from each other throughout the flexible tube.

Abstract: A method for operating a separation membrane module including identifying a clogged portion of the separation membrane module based on a resistance of a lower portion of the separation membrane module, a filtration resistance of a separation membrane portion, and a resistance of an upper portion of the separation membrane module, in a water production system for obtaining treated water by filtering water-to-be-treated with the separation membrane module.

Abstract: Provided are systems and methods for isolating melanins from a medium that include providing tangential filtration of the medium across a membrane with a 300 kilo Dalton or less cutoff. In some aspects, the methods and systems are suitable for large scale preparations due to the inherent established scalability of the unit operations employed herein. The systems and the methods can be utilized to purify melanins from fermented cell medium as well as from lysates generated therefrom.

Abstract: Coarse particle flotation equipment and method based on coupled fluidization of cyclone and damping are provided. The flotation equipment includes a flotation column. A raw ore feed pipe is provided in an upper part of the flotation column. The flotation column is sequentially divided into a mine tailing bottom launder area, a cyclone mineralization area and a static separation area from bottom to top. A plurality of water-gas mixing jet pipes which are obliquely arranged inwardly and upwardly and communicated with an inner cavity of the flotation column being provided at a side wall of the cyclone mineralization area, jet directions of the plurality of water-gas mixing jet pipes are distributed clockwise or anticlockwise around an axis of the flotation column, and a damping element for reducing turbulence of a water flow is further provided between the cyclone mineralization area and the static separation area.

Abstract: The present invention relates to a method for producing ceramic gas-separation membranes, which comprises depositing, by means of inkjet printing, water-based inks that form layers of a gas separation membrane. More specifically, the method comprises at least the following steps forming a porous support (i) compatible with a functional separation layer; depositing on the support (i), by means of inkjet printing, at least one functional separation layer (ii) formed by at least two inks, and depositing at least one porous catalytic activation layer (iii) on the functional separation layer (ii); and performing at least one heat treatment, which produces sintering. The functional separation layer (ii) is deposited in a manner to produce a surface with fadings, patterns, or combinations thereof. The invention also relates to a gas separation membrane produced using the described method.

Abstract: A water purifier includes a body part generating purified water, hot water, and sterilization water. The body part includes: a filter purifying water, a hot water module that defines a heating flow path through which the purified water passing through the filter passes and that heats the purified water passing through the heating flow path into hot water, an intermediate flow path connecting the filter to the hot water module, a sterilization water flow path having a first side branched from the intermediate flow path and a second side connected to a water outlet, a sterilization water module installed in the sterilization water flow path and electrolyzing water passing through the sterilization water flow path into sterilization water, a hot water flow path guiding the hot water passing through the hot water module toward a water discharge nozzle, and a controller controlling the hot water and sterilization modules.

Abstract: A continuous oil-water separation system includes a storage tank having an inlet and an outlet and storing an oil-water mixture, a filter housing including a storage space having a predetermined height and having an inlet connected to the outflow portion of the storage tank to allow the oil-water mixture to flow in therethrough, a water drain hole allowing water separated from the oil-water mixture to be discharged therethrough, and an outlet allowing a residual oil-water mixture to flow out therethrough, a super-hydrophilic oil-water separation filter positioned in the storage space of the filter housing to absorb water from the oil-water mixture and connected to the water drain hole to allow the absorbed water to be discharged therethrough, a pressure control valve installed on an outlet pipe extending from the outlet, and a hydrophobic membrane connected to a rear end of the pressure control valve on the outlet pipe.

Abstract: A modular wall frame for a recycled water system, the modular wall frame includes a horizontal frame module, a vertical frame module, a greywater tank coupled to the horizontal frame or the vertical frame, at least one water consuming appliance drain coupled to the horizontal frame module, and at least one water consuming appliance water input coupled to the vertical frame module.

Abstract: A hydrodynamic cavitation system features a first stator, a second stator, a third stator, and a rotor, each having a plurality of indentations. The hydrodynamic cavitation system further includes a drive shaft, a variable speed motor, and a pump, wherein the pump circulates fluid through the hydrodynamic cavitation system while the drive shaft actuates the rotor, generating hydrodynamic cavitation between each stator and the rotor. Each of the plurality of indentations provides different regions to optimize overall hydrodynamic cavitation volume, increasing cavitation locations, which can coalesce to become a macro cavitation site and cavitation cloud. The hydrodynamic cavitation system removes bacteria, pathogens, viruses, fungi, cyanobacteria as well as breaks chemical bonds, effectively treating contaminated water and other fluids.

Abstract: Systems for removing grit from a slurry are disclosed. In some embodiments, a system includes a containment vessel, a separation assembly, and a removal assembly. Grit is separated from the slurry by the separation assembly, which allows the grit to settle out of the slurry as the slurry flows through the containment vessel. The separation assembly is configured to enable the grit to be driven by gravity downwardly toward the bottom surface of the containment vessel and into engagement with a separation conveyor. The grit is conveyed by the separation conveyor to a removal conveyor of the removal assembly. The removal conveyor conveys the grit out of containment vessel and out of a grit exit port. An effluent formed by the slurry with at least some of the grit removed is released from an outlet of the containment vessel.

Abstract: A blood treatment system with pressure sensors may be configured to control blood flow to and from the patient and use readings of the pressure sensors to determine a change in a pressure drop across a flow restriction in the blood circuit to estimate a condition of the machine or the patient, or outputting data responsive to the estimation. Further embodiments employ measurement of pressure drop to detect abnormal viscosity or viscosity variations in order to detect possible infection.

Abstract: The present invention provides an improved hydrothermal liquefaction process for managing and sequestering PFAS contaminants in waste materials.

Abstract: An ore dressing process for medium-grade and low-grade mixed collophanite includes the following steps: S1; crushing ores to obtain crushed ores; S2: screening the crushed ores to obtain fine-fraction ores and coarse-fraction ores divided into at least two size fractions; S3: performing a photoelectric separation to the coarse-fraction ores of different size fractions to obtain photoelectric separation concentrates and photoelectric separation tailings of each size fraction; S4: combining the photoelectric separation concentrates of the each size fraction to obtain pre-enriched concentrates; S5: combining the fine-fraction ores and the pre-enriched concentrates, and then performing an ore grinding to obtain minerals to be separated; S6: adding water to the minerals to be separated to obtain a floatation pulp, and then performing a floatation to obtain phosphate concentrates and tailings.