Word: lignin
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...detail as to method, the German declared that he is getting a digestible sugar, equal in food value to barley, from sawdust, which is mostly a waste product or burned as an inferior fuel in lumber mills. Of the sawdust 60% to 65% becomes sugar, 5% acetic acid, 30% lignin which again can be used to make charcoal or wallboard. The sugar can be converted into protein by treatment with yeast; into fat by feeding it to pigs. Dr. Bergius said last week that, "for the present," food-from-wood is being fed to animals; he avoided saying that...
...into gasolines, aromatics and other volatile hydrocarbons. This Berginization process the German Dye Trust is using under direction of Dr. Carl Krauch, able chemist, who was at Pittsburgh last week. With him was Dr. Bergius himself to report his further wizardry with hydrocarbons. By heating cellulose and: water or lignin and water, lie produced coal. "End coal" he ; calls it, and, like natural coal he could transmute it into gasoline and other fractional products...