Patent ID: 7784620
Filing Date: 2010-08-31
Classification: C02F

Abstract:
1. An agglomeration for neutralizing acid mine drainage, comprising: a neutralizer and binder component consisting of specialty steel slag in an amount of 75% to 95% by weight of said agglomeration, a sodium carbonate selected from the group consisting of soda ash and pulp liquor in an amount of 0.5% to 25% of said agglomeration, and, optionally, a lime component selected from the group consisting of limestone and blast furnace slag fines; a dissolution control and filtration component consisting of an organic material in an amount of 0.24% to 15% by weight of said agglomeration selected from the group consisting of recycled newsprint, sphagnum peat moss, and sawdust; a dispersant and neutralizer component consisting of a surfactant in an amount of 0.01% to 0.075% by weight of said agglomeration; and an oxidation component consisting of an oxidizing agent in an amount of up to 15% by weight of said agglomeration selected from the group consisting of calcium peroxide, potassium permanganate, and hydrogen peroxide.