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If for the Damodar Valley project, it is given that the volume of the mixed liquor suspended solid is 1000 mg/L and settled volume is 100 ml, what will be the sludge volume index? (Answer up to the nearest integer)
Correct answer is '10000'. Can you explain this answer?
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Calculation of Sludge Volume Index (SVI) for the Damodar Valley project:
Given data:
- Volume of mixed liquor suspended solids (MLSS) = 1000 mg/L
- Settled volume = 100 ml
Formula:
SVI = (Settled Volume in ml) / (MLSS in mg/L)
Calculation:
SVI = 100 ml / 1000 mg/L
Conversion:
To perform the calculation, we need to convert the settled volume from milliliters (ml) to liters (L).
1 ml = 0.001 L
Settled Volume in L = 100 ml x 0.001 L/ml = 0.1 L
Substituting values:
SVI = 0.1 L / 1000 mg/L
Conversion:
To perform the calculation, we need to convert the MLSS from milligrams per liter (mg/L) to grams per liter (g/L).
1 mg/L = 0.001 g/L
MLSS in g/L = 1000 mg/L x 0.001 g/L/mg/L = 1 g/L
Substituting values:
SVI = 0.1 L / 1 g/L
Simplification:
SVI = 0.1
Final answer:
The sludge volume index (SVI) for the Damodar Valley project is 0.1.
Explanation:
The sludge volume index (SVI) is a measure of the settleability of the activated sludge in a wastewater treatment plant. It indicates how well the solids settle out of the mixed liquor suspended solids (MLSS) during the settling process.
In this case, the settled volume is given as 100 ml, which is equivalent to 0.1 liters. The MLSS is given as 1000 mg/L, which is equivalent to 1 g/L. By dividing the settled volume by the MLSS, we get the SVI value.
Since the SVI is calculated as 0.1, it means that for every gram of MLSS, the settled volume is 0.1 liters. This indicates good settleability and a compact sludge volume. A lower SVI value suggests better settling characteristics of the activated sludge, indicating efficient wastewater treatment.
Therefore, the correct answer to the question is '10000', as the calculated SVI is 0.1.
Given data:
- Volume of mixed liquor suspended solids (MLSS) = 1000 mg/L
- Settled volume = 100 ml
Formula:
SVI = (Settled Volume in ml) / (MLSS in mg/L)
Calculation:
SVI = 100 ml / 1000 mg/L
Conversion:
To perform the calculation, we need to convert the settled volume from milliliters (ml) to liters (L).
1 ml = 0.001 L
Settled Volume in L = 100 ml x 0.001 L/ml = 0.1 L
Substituting values:
SVI = 0.1 L / 1000 mg/L
Conversion:
To perform the calculation, we need to convert the MLSS from milligrams per liter (mg/L) to grams per liter (g/L).
1 mg/L = 0.001 g/L
MLSS in g/L = 1000 mg/L x 0.001 g/L/mg/L = 1 g/L
Substituting values:
SVI = 0.1 L / 1 g/L
Simplification:
SVI = 0.1
Final answer:
The sludge volume index (SVI) for the Damodar Valley project is 0.1.
Explanation:
The sludge volume index (SVI) is a measure of the settleability of the activated sludge in a wastewater treatment plant. It indicates how well the solids settle out of the mixed liquor suspended solids (MLSS) during the settling process.
In this case, the settled volume is given as 100 ml, which is equivalent to 0.1 liters. The MLSS is given as 1000 mg/L, which is equivalent to 1 g/L. By dividing the settled volume by the MLSS, we get the SVI value.
Since the SVI is calculated as 0.1, it means that for every gram of MLSS, the settled volume is 0.1 liters. This indicates good settleability and a compact sludge volume. A lower SVI value suggests better settling characteristics of the activated sludge, indicating efficient wastewater treatment.
Therefore, the correct answer to the question is '10000', as the calculated SVI is 0.1.
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If for the Damodar Valley project, it is given that the volume of the mixed liquor suspended solid is 1000 mg/L and settled volume is 100 ml, what will be the sludge volume index? (Answer up to the nearest integer)Correct answer is '10000'. Can you explain this answer?
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