ProMinent DULCOMETER PH-501 Assembly And Operating Instructions Manual page 473

7.2 Schedule for Routine Operation and Maintenance Checkups .............................. 92
7.3 MBR Membrane Cleaning ................................................................................... 97
7.3.1 Membrane In-situ Chemically Enhanced Backflush (CEB) .................... 97
7.3.1.1 Procedure - Backwash Solution Preparation .......................... 98
7.3.1.2 Procedure - Organic Fouling Solution .................................... 99
7.3.1.3 Procedure - Organic Fouling Solution .................................... 100
7.3.1.4 Procedure ............................................................................... 100
7.3.2 Membrane Recovery Cleaning .............................................................. 101
7.3.2.1 Step 1 - Preparation................................................................ 102
7.3.2.2 Step 2 - Cleaning with High pH Solution ................................ 102
7.3.2.3 Step 3 - Cleaning with Sodium Hypochlorite (NaOCl) ............. 103
7.3.2.4 Step 4 - Cleaning with Citric Acid ............................................ 104
7.3.2.5 Step 5 - Resume normal operation ......................................... 104
7.3.2.6 Step 6 - Checking Permeability ............................................... 104
7.3.3 Membrane Physical Check .................................................................... 105
7.4 Sludge Decanting (TNK-901) ............................................................................... 108
7.5 Trouble Shooting ................................................................................................. 109
7.5.1 MBR Membrane Fouling ....................................................................... 109
7.5.1.1 Microbial/Biological Fouling .................................................... 109
7.5.1.2 Particulate/colloid Fouling ....................................................... 109
7.5.1.3 Inorganic Fouling .................................................................... 110
7.5.1.4 Organic Fouling ...................................................................... 110
7.5.1.5 Fouling Prevention .................................................................. 111
7.5.1.5 MBR WWTP Fouling Control & Troubleshooting Chart ........... 112
7.5.2 MBR Alarm Trouble Shooting ................................................................ 114
7.5.3 MBR Process Trouble Shooting ............................................................ 119
7.5.3.1 Biological System ................................................................... 119
7.5.3.2 Foaming ................................................................................. 121
7.5.3.3 Permeate ................................................................................ 122
7.5.3.4 Membrane air system ............................................................. 124
7.5.3.5 Membrane Cleaning .............................................................. 124
7.5.3.6 Mechanical / Electrical Issues ................................................. 125
7.5.4 P-201/2, 301/2, 401/2, 501/2, 553/4, 551/2 - Trouble Shooting ............. 126
7.5.5 P-701/702 Trouble Shooting ................................................................. 127
7.5.6 P-801 Trouble Shooting ........................................................................ 128
7.5.7 B-501/502 - Trouble Shooting ............................................................... 128
7.5.8 B-301/302, B-601/602 - Trouble Shooting ............................................. 129
7.5.9 LT-301/501 - Trouble Shooting.............................................................. 130
7.5.10 PH-501 - Trouble Shooting .................................................................. 135
7.5.11 MV-701/702 - Trouble Shooting .......................................................... 137
8.0 SHUT DOWN .................................................................................................................. 139
8.1 MBR Temporary Shut Down ................................................................................ 139
8.2 MBR Permanent Shut Down / Winterizing ........................................................... 139
8.2.1 Process Shut Down Procedure ............................................................. 139
8.2.2 Cleaning - General ................................................................................ 139
8.2.3 Membranes ........................................................................................... 139
8.3 General Components........................................................................................... 141
8.4 Blowers - B-501/502 ........................................................................................... 143
newterra O&M Manual
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7.5.1.5.1 Air Scouring ............................................................. 112
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