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Patent

Removal of petroleum hydrocarbons from water surfaces

J Warren
TLDR
In this article, a process for removing PETROLEUM HYDROCARBONS from the surface of fresh or SALINE water by dispersing MAGNETIC IRON OXIDE in the PRESENCE of WETTING AGENT on the SURFACE of OIL-CONTAMINATED WATER, and REMOVING OILADSORBED METALLIC PARTICLES by means of MAGNETic ATTRACTION was described.
Abstract: 
A PROCESS FOR REMOVING PETROLEUM HYDROCARBONS FROM THE SURFACE OF FRESH OR SALINE WATER BY DISPERSING MAGNETIC IRON OXIDE IN THE PRESENCE OF WETTING AGENT ON THE SURFACE OF OIL-CONTAMINATED WATER, AND REMOVING OIL-ADSORBED METALLIC PARTICLES BY MEANS OF MAGNETIC ATTRACTION.

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Patent

Method and apparatus for pollutant spill control

Joseph E. Turbeville
TL;DR: In this paper, a method for collecting organic pollutant spills on aquatic bodies may be collected by a method comprising distributing a plurality of buoyant magnetically susceptible, oleophillic, hydrophobic, resilient sorbent particles on the surface of the pollutant.
Patent

Process for controlling surface pollutants

Donald Eric Weiss, +1 more
TL;DR: In this paper, a mixture of phases is treated with particles or granules of ferromagnetic material so that one of the phases is preferentially absorbed or collected onto or into the particle or granule.
Patent

Oil removal from waste waters

W Lorenc, +1 more
TL;DR: In this paper, a process for the removal of oil and oily organic contaminants from waste waters using magnetite (Fe3O4) is described, and a magnetite detector is used to detect the contaminants.
Patent

Oil spill recovery method using surface-treated iron powder

John C. Ulicny, +1 more
TL;DR: In this article, a method of recovering spilled hydrocarbon fluids from a body of water utilizing the increased oleophilic properties of reacted iron particles suspended in a magnetorheological (MR) fluid was proposed.
Patent

Apparatus for magneto-fluidic water/oil separation

Simon Dvorchik, +1 more
TL;DR: In this article, a system for extracting oil from aqueous solutions or for extracting aquatic solutions from oil is described. But the system is based on a multi-layer surfactant magnetic colloid and uses magnetic traps designed to efficiently extract the magnetic medium.