Solids analyses were conducted on a soybean processing wastewater. 50 mL of wastewater is used for total solids analysis and 100 mL of wastewater is used for suspended solids analysis. The laboratory results are: Weight of empty dish Weight of dish + residue after evaporation at 105°C Weight of dish + residue after ignition at 550°C Weight of filter Weight of filter + residue after drying at 105°C Weight of filter + residue after ignition at 550°C 54.222 g 54.475 g 54.455 g 0.2160 g 0.2215 g 0.2180 g Based on the test data above, determine the concentration of total solids, total volatile solids, total fixed solids, suspended solids, volatile suspended solids and fixed suspended solids in mg/L.

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Wasterwater civil engineering 11 and 12

Solids analyses were conducted on a soybean processing wastewater. 50 mL of
wastewater is used for total solids analysis and 100 mL of wastewater is used for
suspended solids analysis. The laboratory results are:
Weight of empty dish
Weight of dish + residue after evaporation at 105°C
Weight of dish + residue after ignition at 550°C
Weight of filter
Weight of filter + residue after drying at 105°C
Weight of filter + residue after ignition at 550°C
54.222 g
54.475 g
54.455 g
0.2160 g
0.2215 g
0.2180 g
Based on the test data above, determine the concentration of total solids, total
volatile solids, total fixed solids, suspended solids, volatile suspended solids and
fixed suspended solids in mg/L.
Solids analyses were conducted on the domestic wastewater that was tested for BOD.
The tests were done in duplicate. Based on the following test data, calculate the
concentrations of total solids, totall volatile solids, suspended solids, and volatile
suspended solids of the sample.
ass jyn
Dish no.
1
2
a 52.842
52.842
53.25
Weight of empty dish (g)
Weight of dish with sample (g)
Weight of dish with dry solids (g)
Weight of dish with ignited solids (g)
Weight of filter paper (g)
Weight of filter with dry solids (g)
Weight of filter with ignited solids (g)
Sample volume (mL)
104.0
53.308
110.0
a 52.902
52.859
53.287
* CO.1160
b 0.1270
0.1165
0.1353
0.1170
0.1208
48
72
Transcribed Image Text:Solids analyses were conducted on a soybean processing wastewater. 50 mL of wastewater is used for total solids analysis and 100 mL of wastewater is used for suspended solids analysis. The laboratory results are: Weight of empty dish Weight of dish + residue after evaporation at 105°C Weight of dish + residue after ignition at 550°C Weight of filter Weight of filter + residue after drying at 105°C Weight of filter + residue after ignition at 550°C 54.222 g 54.475 g 54.455 g 0.2160 g 0.2215 g 0.2180 g Based on the test data above, determine the concentration of total solids, total volatile solids, total fixed solids, suspended solids, volatile suspended solids and fixed suspended solids in mg/L. Solids analyses were conducted on the domestic wastewater that was tested for BOD. The tests were done in duplicate. Based on the following test data, calculate the concentrations of total solids, totall volatile solids, suspended solids, and volatile suspended solids of the sample. ass jyn Dish no. 1 2 a 52.842 52.842 53.25 Weight of empty dish (g) Weight of dish with sample (g) Weight of dish with dry solids (g) Weight of dish with ignited solids (g) Weight of filter paper (g) Weight of filter with dry solids (g) Weight of filter with ignited solids (g) Sample volume (mL) 104.0 53.308 110.0 a 52.902 52.859 53.287 * CO.1160 b 0.1270 0.1165 0.1353 0.1170 0.1208 48 72
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