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Environmental Sciences Europe

Table 5 Two runs to produce 360L of permeate fresh RO water

From: Investigating the potential of growing crops hydroponically utilizing feed and draw solutions from fertilizer drawn forward osmosis

TDS

2000 ppm

NTU

0.6

Flowrate Permeate

360 L/hour

Conc. Flowrate

130 L/hour

Feed TDS

1960 ppm

Permeate TDS

700 ppm

Conc. TDS (Value)

2500 ppm

Feed Flow

2.5 Bar/1500 L/hour

  1. After 2 weeks from Plantation, another run was performed to supply the crops with permeate
  2. Recovery for permeate water = (360/1500)*100 = 24%
  3. Salt Rejection = (700/1960)*100 = 36% hydroponics setup
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