Accumulation of sediment

The problem of flooding and drought is believed to be the impact of the water system in the poor watershed area. The flooding that later resulted in the accumulation of sediment in the downstream region and reservoir area, this was related to the condition of the forest in the upper part of the base.

7p lucastanguyen 01-06-2020 18 2   Download

Bioremediation presents a potentially low cost and environmentally agreeable alternative to current physico-chemical remediation strategies. However, heavy metals such as mercury cannot be converted into non-toxic forms by naturally occurring bacteria. Annual global emissions estimates for mercury released into the environment are in the thousands of tons per year [1,2] while the remediation cost is in the thousands of dollars per pound. Finding new bioremediation technologies is an urgent need.

8p zingzing09 24-04-2013 48 4   Download