BRACKISH WATER
RO PRE-FILTRATION

REFERENCE FACT SHEET

PROJECT DESCRIPTION

  • Filtered water capacity up to 14,400 mÂł/d
  • Brownfield BOT
  • Modification of pre-treatment process steps, replacement of existing lamella settler 
  • Location: Caspian Sea
  • In operation since 11/2017

PROCESS CHAIN

  • Aeration tank for removal of H2S
  • Rapid mixer for injection of chlorine and FeCl3
  • Retention tank with baffle wall design for TOC coagulation
  • Dead-end submerged ceramic flat sheet membrane filtration
  • CapClean for integrated chemical cleaning process
  • Reverse osmosis

PROCESS FLOW DIAGRAM

PERFORMANCE DATA

PARAMETERUNITFEED WATERFILTERED WATER
Feppm0.11< 0.02
Mnppm0.05< 0.02
CODppm3522 - 30
TSSppm> 100< 1 (nil)
TDSppm1,9451,945
TurbidityNTU> 35< 0.2
SDI 15%/min> 5.0< 0.5
PARAMETERUNITVALUE
No. of trains3+1
Max. flow per trainmÂł/hr189.8
Max. flux rateLMH452
Filtration timehrs4 x 5.8
Backwash timesec4 x 65
Recovery rate%96.8
Power consumptionkWhr/mÂł0.04
FeFeed water 0.11 ppm
Filtered water < 0.02 ppm
MnFeed water 0.05 ppm
Filtered water < 0.02 ppm
CODFeed water 35 ppm
Filtered water 22-30 ppm
TSSFeed water > 100 ppm
Filtered water < 1 (nil) ppm
TDSFeed water 1,945 ppm
Filtered water 1,945 ppm
TurbidityFeed water > 35 NTU
Filtered water < 0.2 NTU
SDI 15Feed water > 5.0 %/min
Filtered water < 0.5 %/min
No. of trains3+1
Max. flow per train189.8 mÂł/hr
Max. flux rate452 LMH
Filtration time4 x 5.8 hrs
Backwash time4 x 65 sec
Recovery rate96.8 %
Power consumption0.04 kWhr/mÂł

PLANT PICTURES & VIDEO

Ceramic flat sheet membrane - CERAFILTEC - piping 3
Site construction
Ceramic flat sheet membrane - CERAFILTEC - piping 2
Site construction
Ceramic flat sheet membrane - CERAFILTEC - Reference 2
Tower assembly
Ceramic flat sheet membrane - CERAFILTEC - train installation 5
Customer training
Ceramic flat sheet membrane - CERAFILTEC - train installation 1
Train installation
Ceramic flat sheet membrane - CERAFILTEC - train installation 10
Train installation
Ceramic flat sheet membrane - CERAFILTEC - train installation 9
Train installation
Ceramic flat sheet membrane - CERAFILTEC - plant inlet flow
First plant filling
Ceramic flat sheet membrane - CERAFILTEC - inlet flow in train
Leackage test
Ceramic flat sheet membrane - CERAFILTEC - start-up
Process
start-up
Ceramic flat sheet membrane - CERAFILTEC - train installation 2
Process check
Ceramic flat sheet membrane - CERAFILTEC - SDI inlet
Feed water
SDI > 5
NTU > 30
Ceramic flat sheet membrane - CERAFILTEC - SDI filtered water
Filtered water
SDI = 0.20
Ceramic flat sheet membrane - CERAFILTEC - turbidity filtered water
Filtered water
NTU = 0.15
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