| 1. | The secondary clarifier removes the activated sludge from the water.
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| 2. | Activated sludge technology is the most widely used method for wastewater treatment.
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| 3. | These plants use the activated sludge technology which requires electricity.
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| 4. | It was isolated from activated sludge of a municipal wastewater treatment plant.
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| 5. | Acinetobacter " which was isolated from activated sludge.
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| 6. | During the 1900s the activated sludge process was invented.
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| 7. | This leaves a concentrated waste product that is then treated using the activated sludge process.
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| 8. | The effluent was treated by an activated sludge process, before discharge to the river.
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| 9. | Coarse bubble diffusers are more commonly used in activated sludge tanks or in the flocculation stages.
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| 10. | The new design included an activated sludge treatment plant that involved higher capital and operating costs.
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