The generation of acid drainages is one of the
environmental problems generated by the mining
industry. Acid Mine Drains (AMD) are generated from the
oxidation of metal sulphides in the presence of water and
by the metal beneficiation processes. One of the objectives
of acid water treatment methods is the neutralization of
acidity and removal heavy metals. Tests were carried out
in batches with the value of pH 2. To 100 mL of the test
solution is added 15 g of zeolite with constant stirring. For
a time of 195 minutes pH measurements were made every
15 minutes. The test was performed in triplicate. For the
validation of all the results, the General Lineal Models
(GLM) procedure of SAS® was used, with α = 0.05.
Adsorption tests were made with a trimetallic solution with
different amounts of adsorbent material that was
previously used to control the pH of an acid. The objective
of this work was to determine the basic design parameters
for the scaling of an innovative neutralization technology
for an acid mine drain, as well as to determine the effect of
the acid treatment on the adsorption properties of the
zeolite. The adequacy of the pH values is feasible by means
of a zeolite and the removal of metals stand for this is
possible after undergoing a strongly acidic solution.
Keywords : Neutralization; Aluminosilicates; AMD; Acid Treatment; Removal Metals.