Black ash

Jump to navigationJump to search
  1. Any of various dark-colored products obtained in industrial processes. Webster 3rd
  2. A black mass containing chiefly soda in the form of sodium carbonate and usually also sodium sulfide with some carbon, and produced esp. for recovery of its soda content by concentrating and burning black liquor in rotary furnaces. Webster 3rd

Source: Dictionary of Mining, Mineral, and Related Terms

Sponsor: Learn Portuguese online for free with Mondly