Page 484 - Industrial Wastewater Treatment, Recycling and Reuse

454 Industrial Wastewater Treatment, Recycling, and Reuse

Normalized permeate flow
700.0 98%
600.0 96%
500.0 94%
gpm 400.0 92%
90%
300.0
200.0 88%
100.0 86%
0.0 84%
2-Jan-10 23-Jan-10 13-Feb-10 6-Mar-10 27-Mar-10 18-Apr-10 8-May-10 30-May-10 20-Jun-10 12-Jul-10 2-Aug-10 23-Aug-10 13-Sep-10 5-Oct-10 26-Oct-10 18-Nov-10 7-Dec-10 28-Dec-10 18-Jan-11 8-Feb-11 2-Mar-11 24-Mar-11 14-Apr-11 5-May-11 26-May-11 17-Jun-11
NPF 15% Ref Recovery
Normalized differential pressure
120.0
100.0
80.0
psI 60.0
40.0
20.0
0.0
2-Jan-10 23-Jan-10 13-Feb-10 6-Mar-10 27-Mar-10 18-Apr-10 8-May-10 30-May-10 20-Jun-10 12-Jul-10 2-Aug-10 23-Aug-10 13-Sep-10 5-Oct-10 26-Oct-10 18-Nov-10 7-Dec-10 28-Dec-10 18-Jan-11 8-Feb-11 2-Mar-11 24-Mar-11 14-Apr-11 5-May-11 26-May-11 17-Jun-11

NDP 15% Ref Stage 1 DP Stage 2 DP Stage 3 DP
Figure 11.10 Immediate feedback provided by 3D TRASAR Technology for Membranes.
The black arrows indicate the moment when alarms were sent out requesting corrective
action. Note: NDP stands for Normalized Differential Pressure; DP stands for Differential
Pressure.

Normalized permeate flow
300.0 80%
70%
250.0
60%
200.0
50%
gpm 150.0 40%
100.0 30%
20%
50.0
10%
0.0 0%
26-Sep-10 7-Oct-10 19-Oct-10 31-Oct-10 12-Nov-10 24-Nov-10 6-Dec-10 18-Dec-10 30-Dec-10 10-Jan-11 22-Jan-11 3-Feb-11 15-Feb-11 27-Feb-11 11-Mar-11 23-Mar-11 4-Apr-11 15-Apr-11 27-Apr-11 9-May-11 21-May-11 2-Jun-11 14-Jun-11 26-Jun-11 8-Jul-11 20-Jul-11
Cleaning should NPF 15% Ref Recovery Ineffective
have been done here cleanings
Normalized differential pressure
140.0
120.0
100.0
psl 80.0
60.0
40.0
20.0
0.0
26-Sep-10 7-Oct-10 19-Oct-10 31-Oct-10 12-Nov-10 24-Nov-10 6-Dec-10 18-Dec-10 30-Dec-10 10-Jan-11 22-Jan-11 3-Feb-11 15-Feb-11 27-Feb-11 11-Mar-11 23-Mar-11 4-Apr-11 15-Apr-11 27-Apr-11 9-May-11 21-May-11 2-Jun-11 14-Jun-11 26-Jun-11 8-Jul-11 20-Jul-11

NDP 15% Ref Stage 1 DP Stage 2 DP
Figure 11.11 Deterioration of reverse osmosis (RO) system performance in the absence
of proactive monitoring and missed/improper cleanings. Note: NDP stands for
Normalized Differential Pressure; DP stands for Differential Pressure.