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