Abstract: Systems and methods for dosing slurries to remove suspended solids from the slurry are disclosed. The systems and methods may be used to dewater slurries having relatively high solids content such as earthen slurries. In some embodiments, the zeta potential of the slurry is monitored by an electroacoustic zeta potential sensor to control coagulant addition.

Abstract: A water softening device includes a filter configured to decrease hardness of a first stream of raw water to produce a second stream of water with decreased hardness, a first sensor that measures an electrical property of the first stream, a second sensor that measures an electrical property of the second stream, and optionally, a third sensor that detects a water flow through the filter, wherein the filter includes an ion exchange resin operated in H+-mode, and the filter is buffered with at least one salt selected from the group of a potassium salt (K+), a sodium salt (Na+) and a lithium salt (Li+).

Abstract: The present invention is to provide a separation apparatus for separating a liquid from a treated object containing the liquid in the course of a process of sending the treated object with each rotating plate being rotated, wherein efficient separation of the liquid from the treated object can be performed, while the rotating plates are efficiently prevented from getting damaged.

Abstract: Provided are methods, devices, and kits for the isolation of extracellular vesicles using silicon nanomembranes. A method for EV isolation includes the steps of collecting a biofluid sample, contacting the biofluid sample with a pre-filtration membrane, thereby forming a first filtrate and a first retentate, optionally, washing the first retentate of the pre-filtration membrane, contacting the first filtrate from the pre-filtration membrane with a capture membrane, thereb forming a second filtrate and a second retentate, optionally, washing the second retentate, and eluting the second retentate from the capture membrane or lysing the second retentate to recover the contents.

Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material, at least one second material and at least one third material, which comprises at least the following steps: (A) providing a mixture comprising at least one first material, at least one second material, at least one third material and at least one hydrocarbon in an amount of more than 0.

Abstract: A dehydration method is a dehydration method for selectively separating water from a mixture that contains water, and the method includes a step of supplying the mixture to a supply side space of a zeolite membrane having an ERI structure, and a step of making a pressure difference between the supply side space and a permeation side space of the zeolite membrane having an ERI structure.

Abstract: Disclosed is a continuous process for the purification of steviol glycosides such as Rebaudioside D and/or Rebaudioside M extracted from the dried stevia leaves or extracted from a fermentation broth using continuous simulated moving bed processes and nanofiltration without the addition of organic solvents to obtain a purified steviol product comprising sweet steviol glycosides. The sweet steviol glycosides can be used as substitutes for caloric sweeteners in beverages and in other food items.

Abstract: The present disclosure relates to a method for treating a solvent in wastewater generated in a polycarbonate production process. More specifically, the present disclosure relates to a method for treating a solvent in wastewater generated in a polycarbonate production process, which can easily recover a high purity solvent regardless of the concentration of the solvent by using a membrane distillation method to reuse it, and contribute to energy savings.

Abstract: A filter and a device including the filter may include a filter and a plurality of pores arranged two-dimensionally on the filter. The plurality of pores may include a plurality of first pores having a longer structure in a certain direction and a plurality of second pores having a longer structure in a direction different from that of the first pore. The first and second pores may have a two-dimensional arrangement in order to suppress or prevent the occurrence of cracks in the filter due to stress.

Abstract: Methods and systems for removal of ions from aqueous fluids are provided. In certain embodiments, the present disclosure provides a method of removing one or more oxyanions from an aqueous fluid, including the steps of contacting an aqueous fluid containing oxyanions with an aluminum metal whereby aluminum ions are released from the aluminum metal into the aqueous fluid, wherein the one or more oxyanions in the aqueous fluid react with the aluminum ions to form one or more ettringites; controlling a rate of release of the aluminum ions from the aluminum metal; and removing at least a portion of precipitated ettringites from the aqueous fluid.

Abstract: The disclosure provides a method for extracting antibacterial peptides and albumin from pea whey wastewater, which includes following steps: in extracting the albumin, centrifuging with the pea whey wastewater generated during pea protein processing as raw material; controlling temperature and exchanging heat to adjust temperature of the raw material; sequentially performing a microfiltrating, nanofiltration, ultrafiltration and secondary nanofiltration to obtain an albumin slurry; performing a multi-effect concentration on the albumin slurry; adding an alkaline substances to adjust pH; sterilizing and drying to finally obtain the albumin, which realizes a targeted extraction of the albumin with small molecular weight in the pea whey wastewater and avoids resource waste. The albumin with small molecular weight and the antibacterial peptides in the pea whey water are effectively recycled, thus avoiding environmental pollution caused by improper treatment of the pea whey water and realizing resource reuse.

Abstract: A method of reducing selenium contamination in a waste water stream is described herein. The method includes channeling a flue gas stream through an absorber, contacting the flue gas stream with an aqueous alkaline-based slurry, such that any selenium byproduct in the flue gas stream forms a selenium compound within the aqueous alkaline-based slurry, controlling oxidation of the selenium compound in the aqueous alkaline-based slurry, and adding a precipitation agent to the aqueous alkaline-based slurry to cause the selenium compound within the aqueous alkaline-based slurry to precipitate.

Abstract: Embodiments of the present invention provide elements that are beneficial for use in fluid filtration. Embodiments provide elements that have variable feed spacer height, variable permeate spacer height, or both. The variable height allows flow properties to be matched to fluid volume as the filtration occurs.

Abstract: The invention relates to a magnetic matrix for high intensity magnetic separator which is fed with a pulp containing magnetic and non-magnetic particles, the magnetic matrix (8) comprising a series of grooved metal plates (7) on both sides thereof, the grooved plates being arranged in rows parallel to and spaced apart from each other from the same spacing (6) within a housing, each face of each metal grooved plate (7) having the ridges aligned with the valleys of the face facing it of the grooved plate (7), and a corrugated expanded sheet (12) is disposed at each spacing (6) between adjacent grooved plates (7), with corrugations of the corrugated expanded sheets (12) accompanying the ridge-valley alignments of the respective grooved plates (7).

Abstract: The porous hollow-fiber membrane of the present invention comprises a fluororesin polymer, and has columnar structures oriented in the longitudinal direction thereof. In the porous hollow-fiber membrane, molecular chains of the fluororesin polymer have been oriented in the longitudinal direction of the porous hollow-fiber membrane and have an average value ? of Raman orientation parameter of 1.5-4.0.

Abstract: [Solution] Provided is a water purification agent suitable for use in an automated purification treatment device, when a wastewater purification treatment using a plant-derived water purification agent is performed with the automated purification treatment device. The water purification agent is a granulated product containing a mixture of a plant powder and a polymer coagulant.

Abstract: Provided is a porous membrane that can be manufactured in uncomplicated steps, has high hydrophilicity and water permeability, and exhibits excellent anti-fouling properties when used in a membrane bioreactor method (MBR method). The porous membrane of the present invention is a porous membrane containing polymer (A) and polymer (B), wherein the polymer (A) is a membrane-forming polymer, the polymer (B) is a polymer having a unit (b1) represented by formula (1) and a unit (b2) based on hydroxyl group-containing (meth)acrylate, and the concentration (mass %) of the unit (b1) is equal to or higher than the concentration (mass %) of the unit (b2) in the porous membrane.

Abstract: A rotatable magnet cradle assembly that can be used to separate swarf from a flow of fluid is provided. The cradle of magnets can be rotated a certain amount about a rotational axis from an operational position to a cleaning position. The magnet cradle may include a tube extending between two brackets, a shaft to which the two brackets are attached, and a magnet bar extending through the tube. In the operational position, the magnet provides a magnetic field that attracts swarf to an outer surface of the tube. Once it is desired to clean the assembly, the shaft is rotated to move the two brackets and tube out of the fluid flow and to a position proximate a discharge location, where the magnet bar can be removed from the tube to release the swarf.

Abstract: A fluid separator unit includes an elongate body having a circular internal cross-section and a longitudinal axis, an inlet which directs a fluid flow into the body in a rotational flow pattern around the longitudinal axis, a first outlet, a second outlet, a first centrifugal separation zone arranged within the body, a second centrifugal separation zone arranged within the body, a first fluid path from a central part of the first centrifugal separation zone to the first outlet, a second fluid path from an outer periphery of the second centrifugal separation zone to the first outlet, and a third fluid path from the second centrifugal separation zone to the second outlet. A diameter of the second centrifugal separation zone is smaller than a diameter of the first centrifugal separation zone.

Abstract: The present invention relates to a computer-readable recording medium having recorded thereon a clogging location determination program for a separation membrane module, in which, in order to determine a clogging location of a separation membrane module in a fresh water generation system for obtaining treated water by filtrating water to be treated by a separation membrane module having a separation membrane, a computer is caused to function as a clogging location determination means for determining a clogging location of the separation membrane module from a resistance in a lower part of the separation membrane module, a filtration resistance of a hollow-fiber membrane, and a resistance in an upper part of the separation membrane module.