Pyroligneous spirit

Synonyms Carbinol, Colonial spirit, Columbian spirits, Methyl hydrate, Methylic alcohol, Methanol, Pyroligneous spirit, Pyroxylic spirit, Wood alcohol, Wood naphtha. 

Wurzelharz (Kolophonium von Kiefem-Baumstiimpfen) wood spirit/wood alcohol/ pyroligneous spirit/ pyroligneous alcohol (chiefly methanol)... 

Commercial acetic acid is manufactured fiom pyroligneous acid obtained in the destructive distillation of wood. The latter is neutralised with lime, and separated by distillation from wood-spirit and acetone. The crude calcium acetate, which has a dark colour, is then distilled with the requisite quantity of concentrated hydrochloric acid. Anhydrous or glacial acetic acid is obtained by distilling fused sodium acetate with concentrated sulphuric acid. 

In countries like qur own where wood is seama charcoal is obtained firom small wood or sawdust by a moro modem procesa It consists in the carbonisation of the wood in osst-iron r rts, and in this process not only is charcoal obtained, but the volatile products, especially wood spirit, and pyroligneous add, as well as tar, are collected. 

---