Abstract: A gravitational separator for separating solids from liquefied natural gas having a closed tank having a conical lower portion angled at least 60.degree. from the horizontal and terminating at the bottom in an apex opening in communication with a valve means for removing settled solids from the tank, a vertically positioned cylindrical shell, defining a stilling chamber, located at least partially below a predetermined level of liquified gas, a conical shell vapor disengaging means located above the stilling chamber, conduit means for feeding a gas or liquefied gas containing impurities terminating in the stilling chamber below the level of a liquefied gas in the tank, means for withdrawing a gas or vapor from the tank.