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  • Activated Sludge Technology Book

    Activated Sludge Technology Book

    A Brief History of the Activated Sludge ProcessAlthough recorded history and surviving archaeological sites show that the Babylonians and Assyrians, and later the Romans all used quite sophisticated technology to collect and dispose of their wastes, this environmental awareness was not adopted by later societies, until the Industrial Revolution in Britain in the 19th century forced political intervention. Poor quality, densely packed housing wi