pyroligneous


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pyroligneous

[¦pī·rō′lig·nē·əs]
(chemical engineering)
Referring to a substance obtained by the destructive distillation of wood.
References in periodicals archive ?
Ammonia removal characteristics by pyroligneous liquid at livestock farmhouse.
Koyotakara, a Japanese invention, is a teabag-like sachet stuffed full of natural body-cleansing ingredients, including pyroligneous acid which is known for its ability to draw out toxins.
These have not yet completed their useful course; the less corroded parts are cut into strips, punched with small holes, and varnished with a coarse black varnish for the use of the trunk-maker, who protects the edges and angles of his boxes with them; the remainder are conveyed to the manufacturing chemists in the outskirts of the town, who employ them in combination with pyroligneous acid, in making a black die for the use of calico printer" (Babbage [1835] 1986, 11-12).
The condensate consists of pyroligneous acid and a tarry residue, which will separate and settle upon cooling wood vinegar is slightly toxic to fish and very toxic to plants if too much is applied (Yoshimura and Hayakawa 1991).