Question

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by using ____water thermal plants can cut water requirements by about 98%•

Answer 1

by using MINE water thermal plants can cut water requirements by at least 90 %.
I want to also discuss :
Pit water, mine water or mining water is water that collects in a mine and which has to be brought to the surface by water management methods in order to enable the mine to continue working.
$requirements \: of \: water \: in \: thermal \: plants$
power plants require water for several processes (steam cycle, ash handling, flue gas desulfurization systems, among others) most of the water requirements – usually about 90% of the total – are for cooling purposes. From a regional water consumption perspective, non-cooling plant processes are usually negligible; however, these streams of water contain several pollutants and should be treated before being returned to the water source, otherwise they can have a negative impact on the environment. Thus, from a plant-level economic standpoint, they can incur very significant costs related to treating wastewater for discharge under stringent regulations.