VALERIU GABRIEL GHICA, TRAIAN BUZATU <br>Cementation with Iron in Solutions of Lead Acetate <br>in a Two-step Process

VALERIU GABRIEL GHICA, TRAIAN BUZATU
Cementation with Iron in Solutions of Lead Acetate
in a Two-step Process

Abstract:

The work is further research on the use of waste-derived from oxides sulfato Pb-acid dismantling batteries by solubilizer with acetic acid in the presence of urea. Recovery of lead from lead hydroxide can be done through a two-stage process (solubilizer and cementing procedures) or in a stage (solubilizing and cementing in a single procedure). In the case of two-stage procedure, the discount add just after completion of the first stage of solubilizer. The paper presents research undertaken for the recovery of lead in lead acetate solutions through cementing with iron. Cementing with iron presents several advantages: allows complete removal of heavy metals (detoxify), simplicity and high speed of the process, the recovery of metals in the form of pure metal, the absence of mud. If you use cheap metal scrap,the cost of the process can be maintained at a low level. Most of the industrial processes of cementing use metal in the form of powder in the chemical reaction vessel with string device. It follows a low energy consuming, easy control and getting products in the form of metal. The purpose of this study is to determine the efficiency of extraction of lead by changing some parameters such as: the amount of chemical reducing agent, time, temperature and the size of iron particle. Keywords: dismantling batteries, acetic acid, cementing, lead hydroxide

Issue: 2013, Volume 64, Issue 6

Pages:

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