Prelim Design Goals
liters/person/day | 4 | ||
| family size | 8 | ||
| refill times / day | 5 | ||
| cartridge lasts (mos) | 4 | ||
| cartridge price ($USD) | $10 | ||
| reuseable enclosure +blue pails | $20 | ||
| cartridge residence time (hours) | 1 | ||
| cartridge diameter (cm) | 20 | ||
| Calculations: | |||
| cost/day/family for cartridge | $0.083 | ||
| dirty input talk size RED (liters) | 6.4 | ||
| clean side collector BLUE (fill liters x2) | 12.8 | ||
| cartridge life total (liters) | 3840 | ||
| cartridge volume min. x 4 safety (liters) | 5.3 | ||
| cartridge height (cm) | 22.2 | ||
| Dirty side height (cm) | 20.3 | ||
| Calculations for Tapered media | Top Diameter (cm) | 20 | |
| Bottom Diameter (cm) | 15 | ||
| Height of taper media (cm) | 22.2 | ||
