salty water or sea water may be required. Desalination can be done by distillation or by processes that use membranes such as reverse osmosis. These processes require large amounts of energy. 4.10.1.3 Urban lifestyles and Comment on the 1 Research how water is Several water industrial processes relative ease of treated. companies provide produce large amounts of obtaining potable water resources for waste water that require from waste, ground and Extended writing: detail schools regarding treatment before being salt water. the methods involved. sewage treatment, released into the for example: environment. Sewage and agricultural waste water Video clip require removal of organic YouTube: matter and harmful microbes. Industrial waste water may require removal of organic matter and harmful chemicals. Sewage treatment includes: screening and grit removal sedimentation to produce sewage sludge and effluent
salty water or sea water may be required. Desalination can be done by distillation or by processes that use membranes such as reverse osmosis. These processes require large amounts of energy. 4.10.1.3 Urban lifestyles and industrial processes produce large amounts of waste water that require treatment before being released into the environment. Sewage and agricultural waste water require removal of organic matter and harmful microbes. Industrial waste water may require removal of organic matter and harmful chemicals. Sewage treatment includes: screening and grit removal sedimentation to produce sewage sludge and effluent Comment on the relative ease of obtaining potable water from waste, ground and salt water. 1 Research how water is treated. Extended writing: detail the methods involved. Several water companies provide resources for schools regarding sewage treatment, for example: Video clip YouTube:
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