ETHYL ALCOHOL, FROM WOOD WASTE. 

 Series Ilia. 



TIME VARIABLE. 

 1.4 per cent of LLSO-i; 125 per cent of H 2 0; 7.5 atmospheres. 



49 



Cook No. 



Time of 

 cook 



(minutes). 



Yield of vol atile acid ( per cent of dry 

 weight of wood). 





Acetic 



Formic. 



Both. 



33 : 





 

 10 

 10 

 30 



1.457 

 1.560 

 2.39 

 1.416 

 1. 55 



0.355 

 .470 

 .059 

 .430 



.570 



1.812 



40. . . 



2.030 



24. . 



2.449 



41 



1.846 



42. 



2.120 







Preliminary Series III. 



TIME VARIABLE. 



1.S0 per cent of LLSO-i; 400 per cent of EUO; 7.5 atmospheres. 



Cook No. 



Time of 

 cook 



(minutes). 



Yield of volatile acid (per cent of dry- 

 weight of wood). 





Acetic. 



Formic. 



Both. 



15.. 











15 



30 



1.22 

 1.62 

 1.32 



1.48 



0.185 

 .220 



.598 

 .570 



1. 405 



16 



1.840 



18 



1. 918 



17 : 



2.050 







Series IV. 



WATER TO WOOD RATIO. 

 1.80 to 1.83 per cent of H:S0 4 ; 7.5 atmospheres; minute. 



Cook No. 



Per cent of 

 water. 



Yield of volatile acid (percent of dry 

 weight of wood). 





Acetic. 



Formic. 



Both. 



26 



400 

 300 

 250 

 125 



100 



1.75 

 1.52 



2.11 



1.38 



0. 431 



.239 



0) 



.480 



.642 



2. isi 



21 



1.75J 



22 



0) 



34 



2. 591 



30 



2.0/2 







1 Data not complete. 



Series IVa. 



WATER TO WOOD RATIO. 



1.40 per cent of H5SO4; 7.5 atmospheres; minute. 



Cook No. 



Per cent of 

 water. 



Yield of volatile acid (per cent of dry 

 weight of wood). 





Acetic. 



Formic. 



Both. 



43 



200 

 100 



1.51 

 1.69 



0.160 

 .290 



1.660 



44 



■ 1.980 







54976°— 22— Bull. 983- 



