Importance

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Abstract

A belt type oil and grease skimmer for removing hydrocarbon contaminants from surfaces of bodies of water is disclosed. The skimmer includes a housing and frame structure for positioning above a contaminated body of water. An idler roll and a coating nip roll pair are rotatively mounted on the structure for rotation about generally horizontal axes when the skimmer is in use. An endless belt is trained over the idler roll and between the nip rolls and is suspended in a contaminated body of water when the skimmer is in use. A pair of wipers are positioned on opposite sides of the belt at a wiping location between the idler roll and the nip rolls for removing belt adhered hydrocarbons. A receptacle is positioned to receive wiper removed hydrocarbons. The receptacle includes a heat chamber and a heat transfer wall for transferring heat from the chamber to heat collected hydrocarbons. The wipers skew the belt to cause the formation of a containment draining depression upstream from the wipers. A process of removing hydrocarbons of high viscosity from a body of water is also disclosed.

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First Claim