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Process of preparing a dry composition containing an alkali metal hydroxide and a tannin containing material

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1. A METHOD OF PREPARING A COMPOSITION WHICH COMPRISES HEATING A NATURALLY OCCURRING MATERIAL WHICH CONTAINS AT LEAST 10 PERCENT BY WEIGHT OF AN ACID OF THE GROUP CONSISTING OF TANNIC ACID AND HUMIC ACID UNTIL THE WATER CONTENT IS BELOW ABOUT 8 PERCENT BY WEIGHT AND MIXING THE DRIED PRODUCT WITH SODIUM HYDROXIDE WHICH CONTAINS LESS THAN 20 PERCENT BY WEIGHT OF WATER BEFORE THE HEATED TANNIN-CONTAINING MATERIAL CAN ABSORB SUBSTANTIAL MOISTURE, THE PROPORTION OF SODIUM HYDROXIDE TO SAID DRIED MATERIAL BEING SUBSTANTIALLY 0.1 TO 3 PARTS OF SODIUM HYDROXIDE PER PART OF SAID MATERIAL
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