Glen Summit Paper - The Utilization of Puddle- and Re-Heating Slags for Paint-Stock

Since the days of the infancy of metallurgical industries, slags of various kinds have been accumulating. Until a comparatively recent date hardly any employment had been found for these waste products, which have had, consequently, little or no value. An exception to this rule is the basic Bessemer slag, the value of which has become universally recognized. It is to-day one of the standard fertilizers of the world, and a price of from $15 to $20 a ton is considered reasoiable for the ground slag, which, especially in Germany, finds a ready market as fast as it is prepared. The slags from puddling and re-heating furnaces have only found vol. xx.—25