'Excessive algae growth' diaporamas de présentation

Soil and acid precipitation

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C3.4.14 Detergents

C3.4.14 Detergents. C3.4.14 Describe the uses of sulphuric acid to illustrate its economic importance in producing detergents Explain the detergent action of surfactants in lowering surface tension to remove dirt and/or oil/grease

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Sewage and Waste Water Treatment

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Monitoring Water Quality

Monitoring Water Quality. Water Test. 1. Salinity- Measures amount of dissolved salt in water Needs to stay fairly constant. 2. Dissolved Oxygen (DO) - measures the amount of oxygen in water Too little DO is bad (fish will die) Cold water holds more DO than warm water. pH.

212 views • 7 slides