King Abdullah Economic City_Pretreating Seawater With Ultrafiltration Membranes

18 Pages·2016·1.05 MB·English

by  Kenny Packard

King Abdullah Economic City (KAEC)
Pretreating Seawater with Ultrafiltration Membranes
Kenny Packard
PNWS Conference – May 2016
© 2015 HDR, all rights reserved.
Project Overview
Pretreatment Alternatives Analysis
Ultrafiltration System
Unique Project Challenges
What is KAEC?
Suez Canal
King Abdullah Economic City
• Megaproject announced in 2005 by the late king.
• 70 mi2 of new urban and industrial development.
• Project population of 1.75 million by 2075.
Links to Regional and Global Trade
• Deep Water Port
• Airport
• Regional Rapid Transit System
• Regional Freight Rail System
Growth Projections
160 MGD
Water Quality
Parameter 2007 2008
pH 8.06 – 8.20 8
Temperature
28.4 – 29.7 N/A
(ºC)
Turbidity 5.2 – 6.6 0.5 – 1.0
TSS (mg/L) 2.2 – 2.8 1
TDS (mg/L) 39,000 – 42,000 42,000
Alkalinity (as
130 – 135 N/A
CaCO )
3
Silica (mg/L) 1.40-2.17 0.5
Hardness (mg/L) N/A 7,400
Groundwater TDS in vicinity: Up to 91,000 mg/L
Process Flow Diagram Phase 1
Component Flow (m3/day) Flow (mgd)
Screened
Intake
Raw Water Intake 150,000 40
Pump Station
ROInfluent 148,000 39
Rapid Mix/
Flocculation
RO Effluent to 60,000 16
Clearwell
Dissolved Air
Flotation (DAF)
Strainers 40%
Ultrafiltration
Membranes
Reverse
Osmosis
Clearwell
Backwash
Recycle Basins
Sand Drying Bed To Red Sea
Outfall
TDS: 72,000 mg/L
Landfill
Approximately 120 acres.
Intake and Outfall approximately 800 LF.
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