An oil-water separation system for separating water from the oil of a vacuum pump used in maple sap extraction and returning filtered oil to the vacuum pump, includes a vacuum pump having an oil inlet port and an oil outlet port, an oil-water separator for separating water from oil having an inlet for receiving a waste water-oil mixture from the vacuum pump oil outlet port, a first outlet for returning filtered oil to the oil inlet port of the vacuum pump and a second outlet for removing water from the system.

Various example embodiments relate to a filtration system and methods for the installation and use of such a filtration system. According to a set of embodiments, the filtration system comprises a housing that defines a central compartment therein. The filtration system further comprises a filter cartridge positioned within the central compartment of the housing. The filter cartridge comprises a filter media and an identification element. The filtration system further comprises a sensor. The sensor is structured to sense the identification element of the filter cartridge. The filtration system further comprises a filter blocking mechanism communicably coupled to the sensor. The filter blocking mechanism is structured prevent installation of the filter cartridge into the housing unless filter cartridge information of the identification element sensed by the sensor is identified as corresponding to an authorized filter cartridge.

Structures for housing a filtration media for the removal and/or solidifying of synthetic ester-based fluids from liquids are provided. The structures disclosed include: a stormwater insert container for installation within a storm drain designed for intake of high volumes of water; an angling filter plug mounting structure and pre-filter basket for a flush installation on a planar floor, such that the filtration media rests beneath the floor and releases filtered liquids into a drainage area; a trench filtration assembly for installation into a trench below surface level, such that the unfiltered liquid passes through the trench and a trench box disposed within the trench filtration assembly prior to passing through the filtration media into a drainage area; and a liner box assembly for installation over an opening made in a non-permeable liner for purposes of pre-filtering contaminated liquids as it flows through the liner box and subsequently the filtration media.

A device for separating liquids such as oil and water includes a hydrophobic and oleophilic mesh that allows oil to pass through while preventing water from passing through. The mesh can be fabricated simply from inexpensive materials by coating a mesh with a hydrophobic polymer.

A multi-path cleaning system is provided for a fuel tank. The multi-path cleaning system includes a controller, a fuel polisher, and a plurality of controllable valves. The plurality of controllable valves are operatively connected to the controller, and each valve fluidly coupled to at least one of the inlet and outlet of the fuel polisher on a first side and the interior of the fuel tank on a second other side. The pump, when operated, causes fuel to be drawn through the inlet and discharged at the outlet of the fuel polisher, and to pass through at least one filter/water separator. Selective operation of the plurality of valves by the controller selectively fluidly couples portions of the interior of the fuel tank to the inlet and the outlet of the fuel polisher, thereby creating a plurality of fluid flow paths through the interior of the fuel tank.

The present disclosure relates to a filter apparatus for oil-water separation, and according to an embodiment of the present disclosure, when the filter apparatus for oil-water separation is mounted in a mixed fluid storage tank for storing a mixed fluid collected in seas or rivers in the event that an oil spill accident occurs, it is possible to drain off only water in the mixed fluid.

In addition, it is possible to increase the storage efficiency of the mixed fluid storage tank by selectively draining and removing only water other than oil and impurities in the mixed fluid stored in the mixed fluid storage tank.

A drain for a fuel-water separator (FWS) bowl is disclosed. The drain may include a valve element configured to float in a first fluid and not in a second fluid, wherein the valve element is in a valve element chamber of the drain, wherein the valve element chamber includes an opening configured to drain the first fluid from the valve element chamber, and wherein the valve element seals the opening when the drain is in an open position and when the first fluid has been drained from the valve element chamber; and a member configured to unseal the valve element from the opening when the drain is in a closed position.

A slop oil treating device, including a pretreatment device, a solid-liquid separator, a demulsification nucleus-increasing treating device, a squeezing filter press, a three-phase separator, a buffer tank, a feeding pump, a circulating pump, a conveying pump, and an outputting pump. The slop oil is subjected to a pre-heating at a temperature ranging from 90 C. to 92 C. in the pretreatment device, and then conveyed to the solid-liquid separator for separation. Solid residue after a first-stage separation enters the squeezing filter press for solid-liquid squeezing. The squeezing filter press discharges the squeezed solid residue and conveys the squeezed waste water to the demulsification nucleus-increasing treating device. Oil and water after the first-stage separation enter the three-phase separator for second-stage high-speed centrifugal separation. Oil separated by the three-phase separator is conveyed to the buffer tank, and conveyed to a storage tank through the outputting pump.

A reverse osmosis filter assembly for fluid filtration having a push-activated lock and release mechanism. A push filter design activates a floating key lock upon insertion and extraction, where the filter key may be used simultaneously as a lock and as an identifier for particular filter attributes. The filter base may be situated inline, and in fluid communication, with the raw water ingress, permeate egress, and reject water egress. The reverse osmosis filter housing assembly may be attached to, and removed from, the filter base by a push-actuated release. Upon insertion, the filter key shifts the filter lock longitudinally to receive interlocking segments. Upon extraction, the same axial push shifts the filter lock further to align the interlocking fingers within gaps that allow for easy extraction. The specific key lock design allows a user to identify and match certain filter configurations received by the mechanical support, and reject other filter configurations.

A reverse osmosis filter assembly for fluid filtration having a push-activated lock and release mechanism. A push filter design activates a floating key lock upon insertion and extraction, where the filter key may be used simultaneously as a lock and as an identifier for particular filter attributes. The filter base may be situated inline, and in fluid communication, with the raw water ingress, permeate egress, and reject water egress. The reverse osmosis filter housing assembly may be attached to, and removed from, the filter base by a push-actuated release. Upon insertion, the filter key shifts the filter lock longitudinally to receive interlocking segments. Upon extraction, the same axial push shifts the filter lock further to align the interlocking fingers within gaps that allow for easy extraction. The specific key lock design allows a user to identify and match certain filter configurations received by the mechanical support, and reject other filter configurations.