Earth has evolved out of millions of years of intense Biogeochemical activity. Early earth did not have free oxygen, the environment was anoxic, the type you have besides polluted rivers and lakes, composed of marsh gases like Hydrogen Sulphide, Ammonia and Methane etc. It was within this environment and the large water masses that the [...]

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Global Coal reserves are expected to last another 200 years. India also has a vast coal reserve of 211 billion tones making coal one of the most extensively used fossil fuel for generating power. With 40 % to 50% ash content in Indian, coal this presents an inherent problem of ash disposal. Power plant ashes [...]

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