| 31. | Acid mine wastewater can drain into groundwater, causing significant contamination.
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| 32. | Lamella clarifiers are also used in the municipal wastewater treatment processes.
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| 33. | The CRD has started planning the construction of wastewater treatment plants.
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| 34. | Wastewater may contain high levels of the nutrients nitrogen and phosphorus.
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| 35. | Many factors affect the hydrodynamics of wastewater processes and hence MBRs.
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| 36. | Preliminary treatment also requires much less land than advanced wastewater treatment.
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| 37. | Stabilization ponds are commonly used for wastewater treatment in developing countries.
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| 38. | The company provides drinking water and wastewater treatment infrastructure and services.
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| 39. | Sanitation activities include the construction of sewer networks and wastewater treatment.
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| 40. | Industries recycle and reuse wastewater generated by themselves or by municipalities.
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