Author:
Saleh M M,Bamsaoud Salim F.,Barfed H M
Abstract
Abstract
Cadmium is poisonous to living species even at low doses. In the cadmium-nickel battery industry, cadmium is commonly associated with nickel and cobalt. In this paper, the experimental results revealed that in recovering cadmium from spent nickel-cadmium batteries, sulfuric acid was much less potent than nitric acid. The effect of nitric acid quantity, molarity, temperature, and recovery time are studied to improve the process of recovering cadmium from spent Nickel-Cadmium batteries. The optimum values of nitric acid quantity, molarity, temperature, recovery time, and wasted material are 70 ml, 5 M, 70°C, 180 min, and 2g respectively. The recovered materials were investigated using an x-ray diffractometer (XRD), scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDX). An atomic absorption spectrometer (AAS) was used to analyze the chemical composition of the leached samples.
Subject
General Physics and Astronomy
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