Abstract: Systems and methods for enabling dynamic volumetric transitioning and segmentation of treatment conditions are disclosed. Such treatment conditions may include, by way of example, systems and methods for dynamically transitioning treatment environments within a reactor for activated sludge treatment processes. Such environments may include anaerobic, anoxic, fermentation, suboxic, and aerobic environments.

Abstract: Embodiments herein relate to water in fuel sensing systems that can be mounted on-vehicle. In an embodiment, a water in fuel sensing system is included having a light source, a light detector, and a sensor controller, wherein the sensor controller is in signal communication with the light detector and the sensor controller is configured to evaluate signals received from the light detector, identify water droplets based on the signals received from the light detector, record information regarding the classified water droplets, and generate an estimate of an amount of water in a fuel. Other embodiments are also included herein.

Abstract: Articles containing coated porous substrates and methods of making and using the same are provided. The article may be a filter media. The article includes a porous substrate with a non-reactive base polymer; a reactive polymer disposed on at least a portion of the base polymer, the reactive polymer having a surface energy that is higher than a surface energy of the non-reactive base polymer; and a compound comprising a metal disposed on at least a portion of the reactive polymer. The compound may be disposed on the reactive polymer using vapor deposition.

Abstract: Systems and methods for enabling dynamic volumetric transitioning and segmentation of treatment conditions are disclosed. Such treatment conditions may include, by way of example, systems and methods for dynamically transitioning treatment environments within a reactor for activated sludge treatment processes. Such environments may include anaerobic, anoxic, fermentation, suboxic, and aerobic environments.

Abstract: Systems and methods for enabling dynamic volumetric transitioning and segmentation of treatment conditions are disclosed. Such treatment conditions may include, by way of example, systems and methods for dynamically transitioning treatment environments within a reactor for activated sludge treatment processes. Such environments may include anaerobic, anoxic, fermentation, suboxic, and aerobic environments.

Abstract: Embodiments herein relate to filtration devices having spiral wound filtration element. In an embodiment, a filtration device is included having a first spiral wound filter element. The first spiral wound filter element can include one or more spacing layers, one or more membrane layers disposed in between the one or more spacing layers, and a plurality of spacing elements. The first spiral wound filter element can have an aspect ratio that is less than 8:1 height to width. Other embodiments are also included herein.

Abstract: A vent assembly having a housing (106) defining a cavity (202), a first end (102) and a second end (104), where the second end includes a coupling structure (108). The first end defines a window (110) in fluid communication with the cavity, wherein the window has a window perimeter. The vent assembly includes a vent media (206) spanning the cavity of the housing, where the vent media is breathable and forms a watertight seal to the housing at a perimeter of the vent media. The first end includes a screen structure (300) within the window perimeter of the window that can include repeating structures defining open areas.

Abstract: Embodiments herein relate to end caps and pleat guides for filter assemblies. In an embodiment, a filter assembly component is included having an end cap that can include a pleat guide channel disposed about a circumference of the end cap. The pleat guide channel can include a repeating pattern that can include a plurality of peaks and a plurality of valleys distributed about the circumference of the end cap. The pleat guide channel can be configured to receive and mechanically support a pleated filter media within the pleat guide channel. Other embodiments are also included herein.

Abstract: Separation elements including microfluidic channels may use a hydrodynamic separator or flow routing element to separate particles in fluids. Particle sensors may be used to count particles in each microfluidic channel. A unique orifice pattern may be used to facilitate use of a shared particle sensor for multiple microfluidic channels. Separation elements may be used in various systems, such as engine fuel systems, bulk fuel systems, hydraulic particle filters, and hydraulic deaeration enhancers.

Abstract: A filter assembly has a housing defining an inlet and an outlet. A plurality of chemical filter elements are disposed in the housing and are arranged in a series with respect to fluid flow. A spacing region is between adjacent filter elements in the series. Also disclosed is an assembly having a housing and a first and second chemical filter element. The second chemical filter element is downstream of the first chemical filter element. Each chemical filter element has a sheet of chemical filter material having a first edge and a second edge. A first flow path is defined parallel to a surface of the first sheet extending from its first edge to its second edge. A second flow path is defined parallel to a surface of the second sheet extending from its first edge to its second edge.

Abstract: Systems and methods for aeration and mixing processes are disclosed.

Abstract: Systems and methods for enabling dynamic volumetric transitioning and segmentation of treatment conditions are disclosed. Such treatment conditions may include, by way of example, systems and methods for dynamically transitioning treatment environments within a reactor for activated sludge treatment processes. Such environments may include anaerobic, anoxic, fermentation, suboxic, and aerobic environments.

Abstract: Systems and methods for aeration and mixing processes are disclosed.

Abstract: Systems and methods for providing aeration and mixing to a substance in a containment unit are disclosed.

Abstract: Embodiments herein relate to water in fuel sensing systems that can be mounted on-vehicle. In an embodiment, a water in fuel sensing system is included having a light source, a light detector, and a sensor controller, wherein the sensor controller is in signal communication with the light detector and the sensor controller is configured to evaluate signals received from the light detector, identify water droplets based on the signals received from the light detector, record information regarding the classified water droplets, and generate an estimate of an amount of water in a fuel. Other embodiments are also included herein.

Abstract: Systems and methods for aeration and mixing processes are disclosed.

Abstract: Systems and methods for aeration and mixing processes are disclosed.

Abstract: Systems and methods for aeration and mixing processes are disclosed.