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Popped volcanic ash cover for liquids

阅读:88发布:2022-10-07

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1. A METHOD FOR PROTECTING A LIQUID AGAINST LOSS OF VOLATILE COMPONENTS THEREOF TO THE ATMOSPHERE OR ITS CONTAMINATION BY SAID ATMOSPHERE WHICH COMPRISES SUBJECTING POPPED VOLCANIC ASH TO A REDUCED PRESSURE, THEN FLOATING SAID POPPED VOLCANIC ASH UPON A SEPARATE BODY OF SAID LIQUID, ALLOWING NON-FLOATING PORTIONS OF THE VOLCANIC ASH TO SEPARATE FROM THE REMAINDER OF THE ASH FLOATING UPON THE SURFACE OF THE SAID SEPARATE BODY OF LIQUID RECOVER ING SAID REMAINDER OF ASH FROM SAID SEPARATE BODY OF LIQUID AND THEN FLOATING THE SAID REMAINDER OF VOLCANIC ASH UPON THE REMAINDER OF SAID LIQUID IN A QUANTITY SUFFICIENT TO SUBSTANTIALLY COMPLETELY COVER SAID LIQUID.
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