Abstract:
A filtration element including a cylindrical housing enclosing a fluid filtration media extending along an axis (X) between opposing ends with a first and second end cap located at each end, wherein each end cap includes: i) an annular surface co-extensive with the housing, and ii) outer face laying in a plane perpendicular with the axis (X). The outer face of at least one end cap comprises an annular groove. A face seal including a base is located within the annular groove. A flexible lip extends axially from the base and axially beyond the outer face of the end cap and is adapted to engage with an abutting outer face of an end cap of an adjacently positioned filtration element.
Abstract:
A spiral wound filtration assembly including: i) a pressure vessel comprising a feed port, concentrate port and permeate port; ii) at least one spiral wound membrane module comprising at least one membrane envelop wound around a permeate tube which forms a permeate pathway to the permeate port; and iii) a bioreactor having a cylindrical outer periphery extending along an axis (Y) from a first end to a second end, an inlet located near the first end, and an outlet located near the second end; wherein the spiral wound membrane module and bioreactor are serially arranged within the pressure vessel.
Abstract:
A filtration assembly including: i) a hyperfiltration assembly including: a high pressure vessel including a feed port, concentrate port and permeate port, and a plurality of serially arranged spiral wound hyperfiltration membrane modules; ii) a bioreactor assembly including: a plurality of spiral wound bioreactors each comprising a flat sheet having two opposing bio-growth surfaces and a feed spacer spirally wound about an axis (Y); and iii) a fluid flow pathway adapted for fluid connection with a fluid feed source and extending in a parallel flow pattern through the bioreactors, and subsequently into the feed port of the high pressure vessel, successively through the spiral wound hyperfiltration membrane modules in a serial flow pattern and out of the concentrate port and permeate port.
Abstract:
The present invention is directed toward a multi-pass hyperfiltration system (38) including at least two passes (42,44) of spiral wound modules positioned in series along a fluid pathway; including: a first pass is located upstream along the fluid pathway with respect to a second pass such that permeate from the first pass is directed along the fluid pathway (40) to the second pass, and each pass comprises a pressure vessel enclosing at least one spiral wound module, each module including at least one hyper-filtration membrane envelop and feed spacer sheet wound about a permeate collection tube, wherein the system is characterized by the first pass comprising a spiral wound module including a feed spacer sheet having a thickness greater 0.65 mm and the second pass comprising a spiral wound module including a feed spacer sheet having a thickness less than 0.65 mm.
Abstract:
A filtration assembly including: a hyperfiltration assembly including: a high pressure vessel including a feed port, concentrate port and permeate port, and a plurality of serially arranged spiral wound hyperfiltration membrane modules; a bioreactor assembly including: a low pressure vessel comprising a first and second port, and a plurality of spiral wound bioreactors located within the low pressure vessel with each bioreactor comprising a flat sheet having two opposing bio-growth surfaces and a feed spacer spirally wound about an axis; and a fluid flow pathway extending from a fluid feed source: into the first port of the low pressure vessel, through the bioreactors and out the second port of the low pressure vessel, and into the feed port of the high pressure vessel, through the membrane modules and out of the concentrate port and permeate port.
Abstract:
A bioreactor assembly for treating feed water including: i) a pressure vessel comprising an inner peripheral surface defining an inner chamber having a cross-sectional area, and a first and second port adapted to provide fluid access with the inner chamber, ii) a plurality of bioreactors located within the inner chamber, wherein each bioreactor includes an outer periphery and flow channels extending along bio-growth surfaces from an inlet region to an outlet region, and iii) a fluid flow pathway adapted for connection to a source of feed water and extending from the first port of the pressure vessel, along a parallel flow pattern to each bioreactor, into the flow channels of each bioreactor, and out the second port of the pressure vessel.
Abstract:
A filter assembly (10) including a first (12) and second (14) filtration element positioned in an abutting end-to-end arrangement along a common axis (X). Both filtration elements (12, 14) include a cylindrical housing (16, 16′) enclosing a filtration media and extending along the axis (X) between opposing ends, and an end cap (18, 20, 18′, 20′) located at each of the abutting ends of the filtration elements (12, 14) and comprising an annular surface (28, 28′) co-extensive with the housing (16, 16′) and an annular stepped edge (29, 29′). The first (12) and second (14) filtration elements are positioned with their end caps (18, 20′) directly engaged with each other so that the stepped edges (29, 29′) collectively form a continuous annular groove (31) about the periphery of the filter assembly (10). The annular groove (31) provides an effective means for handling filtration elements without increasing the overall length of end cap.
Abstract:
A spiral wound filtration assembly including: i) a pressure vessel comprising a feed port, concentrate port and permeate port; ii) at least one spiral wound membrane module comprising at least one membrane envelop wound around a permeate tube which forms a permeate pathway to the permeate port; and iii) a bioreactor having a cylindrical outer periphery extending along an axis (Y) from a first end to a second end, an inlet located near the first end, and an outlet located near the second end; wherein the spiral wound membrane module and bioreactor are serially arranged within the pressure vessel.
Abstract:
A filtration assembly including: a hyperfiltration assembly including: a high pressure vessel including a feed port, concentrate port and permeate port, and a plurality of serially arranged spiral wound hyperfiltration membrane modules; a bioreactor assembly including: a low pressure vessel comprising a first and second port, and a plurality of spiral wound bioreactors located within the low pressure vessel with each bioreactor comprising a flat sheet having two opposing bio-growth surfaces and a feed spacer spirally wound about an axis; and a fluid flow pathway extending from a fluid feed source: into the first port of the low pressure vessel, through the bioreactors and out the second port of the low pressure vessel, and into the feed port of the high pressure vessel, through the membrane modules and out of the concentrate port and permeate port.
Abstract:
A spiral wound filtration assembly including: i) a pressure vessel comprising a feed port, concentrate port and permeate port; ii) at least one spiral wound membrane module comprising at least one membrane envelop wound around a permeate tube which forms a permeate pathway to the permeate port; and iii) a bioreactor having a cylindrical outer periphery extending along an axis (Y) from a first end to a second end, an inlet located near the first end, and an outlet located near the second end; wherein the spiral wound membrane module and bioreactor are serially arranged within the pressure vessel.