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Case Study - Western Corridor Recycled Water Project -Luggage Point Advanced WTP –RO System
Aerial Photo Source: h ps://www.aurecongroup.com Overview
The Luggage Point Advanced Water Treatment Plant (LPAWTP) is one of the main components of the Western Corridor Recycled Water (WCRW) project. At the time, the WCRW was the largest recycled water scheme constructed in Australia and the third largest of its kind in the word.
The 70 ML D(18.5MGD) Luggage Point AWTP purifies secondary effluent from the adjacent Brisbane wastewater treatment plant to a level that complies with Australia’s drinking quality standards. This supplements the City of Brisbane's potable water source, Lake/Dam Wivenhoe (when needed), and to provide high-quality recycled water to power stations, industrial, and agriculture users.
The new Plant was performed under a design-build contract model by the Luggage Point Alliance, who selected our company as the qualified Reverse Osmosis (RO) System Supplier. We are very proud of our involvement in this project. www.SafBonWater.com At a glance Stakeholder: Owner: WaterSecure [(now SeqWater), Queensland Government Bulk Water Supply Authority)] Client: Luggage Point Alliance [DB team: (JV CH2M HHillill (now Jacobs) & Australia & Laing OO’’’’Rourke)Rourke) + Connell Wagner (now Aurecon) and Hatch) Loca on: Brisbane, Australia Applica on: Indirect Potable Reuse | WaterWater RecyclinRecyclingg Contract type: Equipment Supply Contract date: 2007 StartStart----upup date: 2010 | Equip. Delivery: 2008 (LPAWTP full commercial opera ons: 2011) Flow rate: 18.5 MGD (Max.)
Technology: BWRO The Challenge
The Government of Queensland faced a few challenges in providing a reliable and sustainable water supply to region as a result of fasting growing water demand to meet future needs, prolonged drought conditions, and climate change. In response, the Government developed the Western Corridor Recycled Water Project (WCRWP) as an effective way to manage the region’s water resources.
The Advanced Water Treatment Plant at Luggage Point is one the three AWT facilities that are part of the recycled water program. It also contributes to government’s goals of reducing the demand for fresh water supply in the region, securing an alternative sustainable water supply for industrial use, and minimizing the environmental impact on waterways and Moreton Bay.
Our company has played an important role in supporting our client and the WCRWP actively secure a quality water supply that is essential for achieving sustained growth in South-East Queensland (SEQ) aera and successfully provide a solution within the very tight time frame set for the project.
www.SafBonWater.com LPAWTP uses a combinations of innovative treatment processes The Solu on including pretreatment, microfiltration, reverse osmosis (RO), and advanced oxidation to produce the required purified recycled water. The generated by-product of the entire process is a concentrate stream which is treated as a waste and discharged to Moreton Bay.
Our company was contracted to deliver the engineering design, fabrica on, and supply of brackish water reverse osmosis (BWRO) system as well as the ancillary equipment and suppor ng opera onal systems. Our field service team provided installa on supervision, system tes ng, commissioning & start-up, and operator training related services.
The BWRO system consists of four (4) parallel trains (three (3) duty/one (1) standby). This is a single-pass, three-stage system arranged in a 120:60:30 array per train. Each BWRO train is designed to produce a maximum flow of 23.3 MLD of RO permeate. The system operates at an overall recovery of 85% with an energy recovery device (ERD) installed a er the second stage. This reduces overall energy consump on by boos ng the concentrate pressure between 2 nd and 3 rd stages.
The scope of supply also included the RO feed booster and high pressure pumps, horizontal cartridge filters, RO skids with ERD (hydraulic turbocharger-type), CIP system, a set of valves, interconnec ng piping, valves, instrumenta on, and control system.
To support this fast-tracked project with ambi ous targets of construc on ac vi es and producing water, we collaborated with our client and applied our modular design which allows off site fabrica on minimizing work on site.
www.SafBonWater.com PDF
Selected Parameters
• Feed Water TDS 500 - 4000 ppm • Feed Temperature 20 C 0 - 30 C 0 • SDI < 3 (100% of the me)
• RO Permeate Flow 20.87 MLD (Norn. design) • RO Permeate TDS 50 ppm • RO Recovery 85% per train 23.3 MLD (Max. design)
2009 Water Reuse Project of Year Award by GWI. 2011 Interna onal Proejct of Year Award by WaterReuse Associa on.
www.SafBonWater.com Edi on: Mar. 2021