Bulletin of the of Agriculture . , i <£ \ < \ Y \ > no 1 >- too 120 160 PARTS BLACK 0 10 20 30 44 46 48 50 DURATION OF COOK - HOURS YIELD OF UNSCREENED PULP - PERCENT i +• ?— — , L — > «^- — —. —| 1 1 42 44 46 48 SO YIELD OF SCREENED PULP - PERCENT 12 3 4 5SCREENINGS - PERCENT 0 TO 20 30 40 50BLEACH - PERCENT Fig. 10.—Effect of varying the temperature of cooking. inner portions of some of the larger chips are thoroughly cooked, whilethe smaller ones are probably overcooked. The lower temperatureswith their longer cooks insure a more even cooking and thereforeproduc
Bulletin of the of Agriculture . , i <£ \ < \ Y \ > no 1 >- too 120 160 PARTS BLACK 0 10 20 30 44 46 48 50 DURATION OF COOK - HOURS YIELD OF UNSCREENED PULP - PERCENT i +• ?— — , L — > «^- — —. —| 1 1 42 44 46 48 SO YIELD OF SCREENED PULP - PERCENT 12 3 4 5SCREENINGS - PERCENT 0 TO 20 30 40 50BLEACH - PERCENT Fig. 10.—Effect of varying the temperature of cooking. inner portions of some of the larger chips are thoroughly cooked, whilethe smaller ones are probably overcooked. The lower temperatureswith their longer cooks insure a more even cooking and thereforeproduce less screenings. Decrease in the temperature produced a Bui. 620, U. S. Dept. of Agriculture. Plate *<JStL yr- Pulp Produced in Cook 81, Bui. 620, U. S. Dept. of Agriculture. Plate VI.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
