Flotasjonskolonneinnretning for separasjon av olje og vann
En innretning for flotasjonsbehandling av spillvann (10), for bruk i et offshoremiljø, innbefatter en lang, vertikal tank (11) med en flerhet av innblåsningsrør (41-45) ved flere høy- deposisjoner og en flerhet av skrå ledéplater (35-40) plas- sert ved nevnte respektive, flere høydeposisjoner. A was...
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Main Author | |
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Format | Patent |
Language | Norwegian |
Published |
18.02.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | En innretning for flotasjonsbehandling av spillvann (10), for bruk i et offshoremiljø, innbefatter en lang, vertikal tank (11) med en flerhet av innblåsningsrør (41-45) ved flere høy- deposisjoner og en flerhet av skrå ledéplater (35-40) plas- sert ved nevnte respektive, flere høydeposisjoner.
A wastewater treatment apparatus for use in an offshore marine environment includes a vertically elongated vessel having upper and lower end portions, wherein at least half of the vessel is submerged during use. The vessel provides an interior for containing fluid during use and is attachable to an offshore marine structure such as a fixed platform or floating marine rig. An influent flow line adds produce wastewater to the interior of the vessel. An effluent is provided for discharging treated fluid from the vessel interior. The upper end portion of the vessel interior defines a free oil separation section, the lower end portion of the vessel interior defines a disposal caisson section. The middle section of the vessel interior defines an induced gas flotation section. A plurality of spargers are provided at the gas flotation section for emitting bubbles at multiple elevational positions within the middle section of the vessel interior. A plurality of inclined baffles are positioned at respective multiple elevational positions within middle section of the vessel interior, a baffle section being positioned next to each of the spargers. Vertical pipe associated with each baffle enables oil that accumulates below a baffle to flow upwardly in the vessel. An oil removal flow line is provided for removing oil from the upper section of the vessel interior after it has accumulated at the upper end portion of the vessel interior. The vessel lower section communicates with the discharge for discharging treated water from the vessel interior after it has been treated. |
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AbstractList | En innretning for flotasjonsbehandling av spillvann (10), for bruk i et offshoremiljø, innbefatter en lang, vertikal tank (11) med en flerhet av innblåsningsrør (41-45) ved flere høy- deposisjoner og en flerhet av skrå ledéplater (35-40) plas- sert ved nevnte respektive, flere høydeposisjoner.
A wastewater treatment apparatus for use in an offshore marine environment includes a vertically elongated vessel having upper and lower end portions, wherein at least half of the vessel is submerged during use. The vessel provides an interior for containing fluid during use and is attachable to an offshore marine structure such as a fixed platform or floating marine rig. An influent flow line adds produce wastewater to the interior of the vessel. An effluent is provided for discharging treated fluid from the vessel interior. The upper end portion of the vessel interior defines a free oil separation section, the lower end portion of the vessel interior defines a disposal caisson section. The middle section of the vessel interior defines an induced gas flotation section. A plurality of spargers are provided at the gas flotation section for emitting bubbles at multiple elevational positions within the middle section of the vessel interior. A plurality of inclined baffles are positioned at respective multiple elevational positions within middle section of the vessel interior, a baffle section being positioned next to each of the spargers. Vertical pipe associated with each baffle enables oil that accumulates below a baffle to flow upwardly in the vessel. An oil removal flow line is provided for removing oil from the upper section of the vessel interior after it has accumulated at the upper end portion of the vessel interior. The vessel lower section communicates with the discharge for discharging treated water from the vessel interior after it has been treated. |
Author | FAVRET JR, UNCAS B |
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Notes | Application Number: NO20010006098 |
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RelatedCompanies | NATIONAL TANK CO |
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Snippet | En innretning for flotasjonsbehandling av spillvann (10), for bruk i et offshoremiljø, innbefatter en lang, vertikal tank (11) med en flerhet av... |
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SubjectTerms | CESSPOOLS CHEMISTRY DIFFERENTIAL SEDIMENTATION FIXED CONSTRUCTIONS FLOTATION MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEWERAGE SEWERS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE WATER SUPPLY |
Title | Flotasjonskolonneinnretning for separasjon av olje og vann |
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