A method and apparatus for separating at least one component of a mixture from another without the aid of gravity comprises, in one embodiment, a heat pipe structure having an inlet and spaced outlets, a wick element disposed within the heat pipe for inducing a capillary flow of condensed phase mixture...http://www.google.com.au/patents/US4617093?utm_source=gb-gplus-sharePatent US4617093 - Method and apparatus for separating components of a mixture
