During the 1900s the activated sludge process was invented.
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This leaves a concentrated waste product that is then treated using the activated sludge process.
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The effluent was treated by an activated sludge process, before discharge to the river.
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Complex microbial communities in activated sludge processes are needed for the stable removal efficiency of organic pollutants.
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The activated sludge process is a form of water purification that uses bacteria to consume human feces.
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This results in a more concentrated waste product that can then be treated using the activated sludge process.
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Upgrading to granular activated sludge process enables the capacity of an existing wastewater treatment plant to be doubled.
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The amount of sewage sludge produced from the activated sludge process is directly proportional to the amount of wastewater treated.
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These ponds use gravity to chemical precipitation, biological treatment ( such as an activated sludge process ), and evaporation.
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A variant of the activated sludge process is the Nereda process where aerobic granular sludge is developed by applying specific process conditions that favour slow growing organisms.
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