Thiobacillus Ferrooxidanns As Battery

Thiobacillus Ferrooxidanns As Battery

Metals are one of the most commonly used natural resources by humans. The use of metals is very broad, from jewelry to batteries. Increasing population and the use of electronic devices will make metal demand even higher. Unfortunately, this is not supported by the availability of metal resources, which are expected to run out in 65 years. In addition the process of metal processing releases substances that pollute the environment. Metal housing must be done because the metal comes from ore which is a compound between metal atoms and other atoms such as oxygen. So, redox (reduction oxidation) is done by reacting metal seeds with carbon monoxide.

Thiobacillus Ferrooxidanns As Battery
Aspergillus Niger Yeast (Pict:Wikipedia)
The results of these reactions are pure metals and carbon monoxide in large quantities. For example, 17,000 tons of carbon dioxide is released for every ton of gold produced. Metal waste also has adverse effects on humans such as poisoning, pollution and cancer. By Karenna, this problem is one of the main priorities of environmental experts. Microbiology has also become one of the promising fields of science. The ability of bioleaching which is owned by several microbes can regenerate certain metals so that they can be reused. Among microbial microbes is Aspergilus Niger, which has the ability to bioleaching iron and copper metals.
Thiobacillus Ferrooxidanns As Battery
Used batteries (
These microbes cause the release of ions and electrons, so that again there is a difference in voltage in the battery. Therefore this study entitled “Utilization of Thiobacillus Ferrooxidanns and Aspergillus Niger Bacteria for Battery Regeneration” is designed with the hope of becoming one of the solutions for excessive metal waste and metal supply that continues to decrease. A pre-experiment was carried out which proved that the growth of Aspergillus Niger was at the 60th hour. Then, the fungus was inoculated on the iron anode, which was part of the voltaic cell made up of copper cathodes and iron anodes. The results of the observation show that there is an increase in voltage and electric current over time. So, it is proven that the loss of Aspergillus Niger has the ability to biobleaching


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