Coagulation Test.docx

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Detoxification A testing was conducted on solution pond samples by adding lime powder into the samples. The result as shown in Table below. Beaker After 10 minutes of mixing. Result on the water Beaker A Initial pH = 4.40 Lime added = 20 mg/L pH=7.40 No precipitation Beaker B Initial pH = 4.13 Lime added = 40mg/L pH=7.58 Precipitation occur Small size of floc. Beaker C Initial pH = 4.40 Lime added = 60 mg/L pH=8.80 Precipitation occur Bigger size of floc. Beaker D Initial pH = 4.40 Lime added = 80 mg/L pH =9.70 Precipitation occur Bigger size of floc It is found that by adding the lime into the solution, the chemicals in the solution pond will coagulate with lime to form big particle and will be precipitate. The particles also become bigger when we increase the pH. Then, the samples were sent to SGS Lab for heavy metal testing.

Transcript of Coagulation Test.docx

Detoxification

A testing was conducted on solution pond samples by adding lime powder into the samples. The result as shown in Table below.

BeakerAfter 10 minutes of mixing.Result on the water

Beaker A Initial pH = 4.40Lime added = 20 mg/LpH=7.40No precipitation

Beaker BInitial pH = 4.13Lime added = 40mg/LpH=7.58Precipitation occur Small size of floc.

Beaker C Initial pH = 4.40Lime added = 60 mg/LpH=8.80Precipitation occurBigger size of floc.

Beaker D Initial pH = 4.40Lime added = 80 mg/LpH =9.70Precipitation occurBigger size of floc

It is found that by adding the lime into the solution, the chemicals in the solution pond will coagulate with lime to form big particle and will be precipitate. The particles also become bigger when we increase the pH. Then, the samples were sent to SGS Lab for heavy metal testing.