abstract |
A method of treating a composition comprising at least one objective (hydro) fluoroolefin and at least one non-purpose halogenated ethane, halogenated methane, or mixtures thereof, to reduce the concentration of at least one non-purpose halogenated ethane or halogenated methane Wherein the method comprises contacting the composition with an adsorbent comprising pores having openings having a size of up to about 6 angstroms through the largest dimension. |