By: Kate
Post Date: Dec 14th, 2021
Post Tags: How To Correct To Use Juntai MBBR Media Calculator?
The Juntai MBBR Biomedia Volume Calculator 2.0
1. The Excel is only for the general design, more accurate data need to according to your engineer to actual condition to design. Many factors are other than temperature impact the loading and removal efficiency of carrier design.
2. The Excel data you just need to change the Blue cell, then get the volume to result in the sheet end Red cell.
3. Small SALR BOD5 Loading Rate ( Removal) will need more mbbr media, Juntai picks the safe data for the design, we usually pick 5gr/m2.d, the range is 4-25gr/m2.d, you can according to your needs to change. And the SALR NH₄- N loading Rate ( Removal) is the same, its range is 0.4 to 2gr/m2.d, we usually pick 1gr/m2.d.
4. If ammonia(TKN) removal is high, ammonia effluent is less than 2 mg/l, you need 2 stages，the media of the first stage should not mixed with the media of the second stage, just in one tank, you can not reach high TKN removal.
| Juntai MBBR Biomedia Volume Calculator2.0 | ||
Blue block is the design diameter：be filled in Brown： calculate process data Red: The last result for your process | ||
MBBR Media Standard loading rates - gram/m².day | ||
Temp. | 20 C˚ | 13 C˚ |
SALR BOD loading( Removal) | 15 | 9.16 |
SALR TKN loading( Removal) | 1.1 | 0.67 |
Specific Surface area of media (Juntai MBBR Media MBBR19) | ||
550 | m²/m³ | |
Output Assumed loading for this wastewater treatment Process | ||
SALR BOD5 Loading Rate ( Removal) | 5 | gr/m².day （ This can be 4 to 25, most time we choose 5 is safe) |
SALR NH₄ - N loading Rate ( Removal) | 1 | gr/m².day ( This can be 0.4 to 2, mosttime we can choose 1 is safe) |
Input daily flow | 1000 | m³/day |
41.67 | m³/hr | |
264,047.32 | gpd | |
Input BOD - Influent | 400 | mg/l |
Input Primary BOD removal | 0% | |
Input Anoxic BOD removal | 0 | mg/l |
Input BOD - Effluent | 5 | mg/l |
Input NH₄-N - Influent | 40 | mg/l |
Input NH₄-N - Effluent | 2 | mg/l |
BOD removal - Biologically | 395 | |
NH₄-N removal - Biologically | 38 | |
BOD loading per day | 869.9 | lb. of BOD / day |
394,912 | grams/day | |
NH₄-N loading per day | 84 | lb. of Nh3-N / day |
37,992 | grams/day | |
| MBBR Tank 1 | ||
Media Surface area required | 78,982 | m² - BOD Oxidation |
MBBR Media volume | 144 | m³ |
Tank volume m³ | 479 | media Fill-in |
| MBBR TANK2 （ If the TN<2mg/L, then it is better for two stages) | ||
Surface area required | 37,992 | m² - Nitrification |
MBBR Media volume | 69 | m³ |
Tank volume m³ | 230 | media Fill-in |
Total MBBR media volume | 212.68 | m³ |
Tank Volume | 708.93 | m³ |
Juntai MBBR Type:
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