Water & Wastewater Asia May/June 2019

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8 | NEWS Tunnelling works begin for DTSS Phase 2 SINGAPORE’S NATIONAL WATER AGENCY PUB has started work on Phase 2 of the Deep Tunnel Sewerage System (DTSS2), which is what the agency refers to as an underground superhighway for Singapore’s used water management. The DTSS is an ambitious $10 billion infrastructure project that aims to enhance Singapore’s water sustainability by boosting the PUB’s capability to reclaim and reuse water in an endless cycle. The DTSS uses deep tunnels to convey used water entirely by gravity to three centralised treatment plants strategically located at coastal areas. The treated used water is then reclaimed and further purified Environment and Water Resources Minister Masagos Zulfiki officiating the launch ceremony with fellow guests into ultra-clean, high-grade reclaimed water called Said PUB chief executive Ng Joo Hee, “The DTSS is Singapore’s NEWater, with excess effluent discharged very innovative way of collecting our wastewater to the sea in an environmentally on a national scale, in a safe, efficient and responsible manner. reliable way. Because of it, we are able to reuse and recycle water Officiating the launch endlessly.” ceremony was minister for the environment and water Phase 2 of the DTSS resources Masagos Zulfiki, superhighway will incorporate who said: “By conveying various advanced features, used water entirely via including Microbiologialgravity to centralised water Influenced Corrosion (MIC)- reclamation plants for treatment Resistant Concrete and High-Density A map showing what the used water and recycling into NEWater, every superhighway will look like once Polyethylene (HDPE) linings that will be drop of used water will be continually DTSS Phase 2 is completed used to prevent corrosion from bacteria and reused, closing our water loop. The risk of crosscontamination other micro-organisms from gaseous fumes in the between Singapore’s water catchments and used sewer environment. water system will also be minimised.” DTSS Phase 2 will also be the first project in Singapore to use air jumpers He added that once complete, the DTSS would be one of the largest to minimise the number of Odour Control Facilities (OCFs) as part of the integrated underground sewerage systems in the world. air flow management system. Installed at specific locations below ground along the tunnel alignment, the air jumpers help to push odorous air in DTSS Phase 1 was completed in 2008, and comprises of the North the tunnel further downstream to the OCF where the air will be treated. and Spur Tunnels, the associated link sewers, the Changi Waste Reclamation Plant (WRP) and outfall. DTSS Phase 2 will comprise Once Phase 2 is in place, the existing conventional WRPs and of the South Tunnel which will convey domestic used water, and the intermediate pumping stations will be progressively phased out, with Industrial Tunnel which will be used for non-domestic used water the implementation of the entire DTSS expected to result in a 50 per and associated link sewers. DTSS Phase 2 is expected to complete cent reduction in land taken up by used water infrastructure, from 300 by 2025 and will extend the deep tunnel system to cover the western hectares to 150 hectares – almost the size of 214 football fields. part of Singapore. A total of 19 Tunnel Boring Machines All together, the completed DTSS will (TBMs) will be used for this project to streamline the used water network with dig depths of between 35 to 55 metres Changi WRP, Kranji WRP and Tuas WRP. below ground and seabed and create deep Used water will be conveyed to the future tunnels and link sewers ranging from three Tuas Nexus used water treatment and to six metres in diameter. WWA waste management facility for treatment and recycling, and when the plant is fully operational in 2027 it will be connected as part of Phase 2. Workers inspecting one of the TBMs that will be used for the project Water & Wastewater Asia • May / June 2019
NEWS | 9 Introducing an online communication platform in the water sector: Myanmar Water Portal MYANMAR WATER PORTAL is an independent online platform providing water-related news, reports and documents to all Myanmar water sector. It is accessible 24/7, supporting desktop and mobile devices. The portal is perfect for those seeking a compilation of news, articles, outcomes of the project, reports, documents and student thesis pieces related to Myanmar. Myanmar Water Portal will host over 100 organisations in the following sections: Pages, which includes government agencies, private companies, universities, research institutes, NGOs, start-ups and independent experts which share an active interest to make water work for Myanmar: healthy rivers, safe coasts, prosperous ports, resilient cities and communities and clean water for all. News, which will contain investment news, experts’ interviews and opinions, talking about the specific topics and themes which could depict the water activities in Myanmar. Library, which stands for the category of reports and documents of projects and presentations and outcomes of the important workshops and seminars. Events, which will show comprehensive and extensive information, additionally concrete agendas, and public awareness announcements which prefer to communicate in the specific media. WWA SUEZ NWS Acquires Environmental Testing Laboratory Business of ALS in China SUEZ NWS and ALS Limited have recently completed a sale for the former to acquire 100 per cent equity of ALS Analytical Testing (Shanghai) Co., Ltd. and its subsidiary ALS China to expand its business into the thirdparty environmental testing sector. This move will accelerate SUEZ NWS’ development of new solutions for customers, particularly in air quality monitoring and remediation services, watershed quality management and river remediation projects and the soil remediation industry. More importantly, the Group will fully leverage the synergies of all its other business units in China and provide local customers with higher quality environmental services. Upon completion of the acquisition, ALS China, which has laboratories in Beijing, Shanghai and Guangzhou, in addition to commercial shop fronts in Chongqing, Wuhan and Shijiazhuang, will be fully integrated into the Advanced Solutions Asia business unit. Additionally, over 180 ALS laboratory employees across China will be directly integrated into SUEZ Group’s global technology and R&D network. Interconnecting with the Group’s experts, as well as with researchers from around the world. Resources from over 200 analytical laboratories and 17 R&D centres will be shared, to scale-up its capabilities in three core areas – air quality, upstream water quality management and soil remediation. The Environmental Quality Monitoring (EQM) digital platforms developed by SUEZ will be introduced in the Chinese market through this company, supporting the smart city trend in China. The Group will continue to provide services to ALS China’s existing business customers in China including universities and colleges, government bodies, consulting firms, site investigation, risk assessment and remediation companies. In addition, the acquisition will bring extra value to the Group’s water and waste management as well as its Water Technologies and Solutions clients by offering comprehensive environmental assessment services as well as the evaluation of odours and volatile organic compounds. “The Chinese government’s efforts to improve the ecological environment in recent years have strengthened environmental and safety standards. We recognize how data obtained from analytical testing on the environment can positively impact human health. I am convinced that ALS China business portfolio is a great complement to SUEZ’s existing business in China. The synergies we foresee between the two businesses, as well as the opportunities to extend the value chain on an integrated platform to customers, are tremendous.” said Steve Clark, CEO of SUEZ Asia. WWA Water & Wastewater Asia • May / June 2019
Page 1 and 2: MICA (P) No: 120/05/2018 • ISSN:
Page 3 and 4: spotlight 2019 SINGAPORE INTERNATIO
Page 6: EDITOR’S NOTE SUSTAINABILITY AND
Page 9: NEWS | 7 Water & Wastewater Asia
Page 13 and 14: Drinking Water Disinfection for Chi
Page 15 and 16: GRUNDFOS SPECIAL | 13 to optimise p
Page 17 and 18: GRUNDFOS SPECIAL | 15 Grundfos Dema
Page 19 and 20: MYANMAR WATER PORTAL | 17 Working t
Page 21 and 22: IN PERSON | 19 commercial feasibili
Page 23 and 24: IN PERSON | 21 At the recent IE Exp
Page 25 and 26: IN PERSON | 23 Danfoss Pumps a show
Page 27 and 28: FROM THE GROUND | 25 Water & Wastew
Page 29 and 30: FROM THE GROUND | 27 Mueller’s Mi
Page 31 and 32: FROM THE GROUND | 29 The United Nat
Page 33 and 34: FROM THE GROUND | 31 In Houston, wh
Page 35 and 36: Based on the Kaplan turbine design
Page 37 and 38: INSIGHT | 35 By Roger Lah, Cla-Val
Page 39 and 40: INSIGHT | 37 In effect, the hydraul
Page 41 and 42: INSIGHT | 39 With the opening of th
Page 43 and 44: INSIGHT | 41 Utilisation of biogas
Page 45 and 46: INSIGHT | 43 IntelliSAW is well kno
Page 47 and 48: INSIGHT | 45 Using DoE to improve t
Page 49 and 50: INSIGHT | 47 Fig. 5 shows the resul
Page 51 and 52: INSIGHT | 49 WWA: How is process sa
Page 53 and 54: OPINION | 51 Thankfully, response t
Page 55 and 56: OPINION | 53 Termed as low impact d
Page 57 and 58: MANILA BUSINESS MISSION 2019 18 to
Page 59 and 60: SWA WELCOMES NEW MEMBERS (joined fr
Page 61 and 62:
SHOW PREVIEW | 59 Pump & Valves Ind
Page 63 and 64:
SHOW REVIEW | 61 GOBLUE4SG The GoBl
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EVENTS CALENDAR 2019 JANUARY WFES W
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Water & Wastewater Asia May/June 2019

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