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30 Cards in this Set
- Front
- Back
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Conventional MCRT |
5-15 days |
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Conventional F:M ratio |
0.2-0.4 |
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Conventional Organic loading rate |
20-40 lb BOD/d*1000 cubic feet |
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Conventional MLSS |
1,500-3,000 mg/L |
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Conventional Aerator Detention Time |
4-8 hours |
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Conventional Return rate (Percent of Q) |
25-50% |
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Complete-Mix MCRT |
5-15 days |
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Complete-Mix F:M Ratio |
0.2-0.6 |
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Complete-Mix Organic Loading rate |
50-120 |
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Complete-Mix MLSS |
3,000-6,000 mg/L |
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Complete-Mix Aerator detention time |
3-5 hours |
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Complete-Mix Return Rate |
25-100 |
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Step Feed (Aeration) MCRT |
5-15 days |
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Step Feed (Aeration) F:M Ratio |
0.2-0.4 |
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Step Feed (Aeration) Organic Loading Rate |
40-60 |
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Step Feed (Aeration) MLSS |
2,000-3,500 mg/L |
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Step Feed (Aeration) Aerator Detention time |
3-5 hours |
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Step Feed (Aeration) Return rate |
25-75 |
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Extended Aeration MCRT |
20-30 days |
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Extended Aeration F:M Ratio |
.05 - 0.15 |
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Extended Aeration Organic Loading Rate |
10-25 |
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Extended Aeration MLSS |
3,000-6,000 mg/L |
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Extended Aeration Aerator Detention Time |
18-36 hours |
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Extended Aeration Return Rate |
75-150 |
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Contact-Stabilization MCRT |
5-15 days |
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Contact-Stabilization F:M Ratio |
0.2-0.6 |
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Contact-Stabilization Organic Loading |
60-75 |
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Contact-Stabilization MLSS |
1,000-3,000 mg/L (Contact Tank) 4,000-10,000 mg/L (Stabilization Tank) |
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Contact-Stabilization Aerator detention time |
0.5-1 3-6 hours |
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Contact-Stabilization Return Rate |
25-100 |
