. Bulletin of the Department of Agriculture. Agriculture; Agriculture. ?UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 1003 Contribution from the Bureau of Chemistry W. G. CAMPBELL, Acting Chief And the University of Idaho, A. H. UPHAM, President Washington, D. C. December 5,1921 THE DISTILLATION OF STUMPWOOD AND LOGGING WASTE OF WESTERN YELLOW PINE By M. G. DONK, Assistant Chemist Leather and Paper Laboratory, Bureau of Chemistry C. H. SHATTUCK, Professor of Forestry, and W. D. MARSHALL Research Fellow, Forestry Department, University of Idaho CONTENTS Page Importance of western ye
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. ?UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 1003 Contribution from the Bureau of Chemistry W. G. CAMPBELL, Acting Chief And the University of Idaho, A. H. UPHAM, President Washington, D. C. December 5,1921 THE DISTILLATION OF STUMPWOOD AND LOGGING WASTE OF WESTERN YELLOW PINE By M. G. DONK, Assistant Chemist Leather and Paper Laboratory, Bureau of Chemistry C. H. SHATTUCK, Professor of Forestry, and W. D. MARSHALL Research Fellow, Forestry Department, University of Idaho CONTENTS Page Importance of western yellow pine . 1 Distribution of western yellow pine . 2 Purpose of investigation • . 13 Taking samples 15 Distillation of samples 22 Crude products of retort distillation . 31 Products obtained in refining crude turpentine 37 Calculation of yields of (refined turpen- tine and pine oil . 41 Commercial distillation processes ... 43 Page Feasibility of distilling western yellow pine 46 Relation of wood distillation to land clearing 51 Small, semi-portable wood-distilling plants 53 Use of oil for ore flotation 54 Refining crude wood turpentine .... 56 Summary 67 Literature cited 69. WASHINGTON GOVERNMENT PRINTING OFFICE 1921. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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