An oil skimmer is a machine that separates a liquid from particles floating on it or from another liquid. A common application is removing oil floating on water. These technologies are commonly used for oil spill remediation but are also commonly found in industry. They were used to great effect to assist in the remediation of the Exxon Valdez spill in 1989.
Oil skimmers are commonly found in three types: weir, oleophilic, and drum: