VERFAHREN UND VORRICHTUNG ZUM FOERDERN EINER FLUESSIGKEIT UND EINES ANDEREN FLIESSFAEHIGEN MEDIUMS DURCH DIESELBE FOERDERLEITUNG

摘要

In the method proposed, various free-flowing media are conveyed in succession through the same pipe line, the media being substantially prevented from mixing by separating them with a plug of ice formed by local cooling of one medium which can be frozen to give a solid.