Animal charcoal

carbon obtained from the carbonization of organic tissue of animals.
Historical Examples

The bones are either used for manure, or are converted into animal charcoal, valuable for various purposes in the arts.
Sheep, Swine, and Poultry Robert Jennings

It is got as a by-product in the manufacture of animal charcoal.
Bookbinding, and the Care of Books Douglas Cockerell

It may be further purified by treating the solution with animal charcoal, recrystallisation from spirit, &c.
Poisons: Their Effects and Detection Alexander Wynter Blyth

It has been proposed to bleach the tincture of myrrh with animal charcoal, but this interferes with its proper action.
Cooley’s Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades…, Sixth Edition, Volume I Arnold Cooley

There are several different varieties of charcoal, the chief of which, however, are wood and animal charcoal.
Cooley’s Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades…, Sixth Edition, Volume I Arnold Cooley

The animal charcoal might possibly have been useful if applied immediately.
The Browning Cyclopdia Edward Berdoe

That water being treated with animal charcoal, filtered and evaporated, will yield a second crop of crystals.
A Dictionary of Arts, Manufactures and Mines Andrew Ure

With me, the animal charcoal seemed to increase the sensibility greatly.
Notes and Queries, Number 174, February 26, 1853 Various

That animal charcoal, besides its decolouring power, has the valuable property of taking lime in solution from water and syrup; 8.
A Dictionary of Arts, Manufactures and Mines Andrew Ure

Any adhering colour may be removed by agitating it with a very little water; or by animal charcoal, in the usual manner.
Cooley’s Practical Receipts, Volume II Arnold Cooley