Water. Desalination + reuse
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Water. desalination + reuse September 2016 On Site 21 www.LGwatersolutions.com All trademarks stated herein are the property of LG Chem, Ltd. All rights reserved. © 2016 LG Chem, Ltd. M u n i c i p a l P o t a b l e W at e r H i g h Puri t y W a t e r f o r M i cr o e l ec t r o n i cs Now just add water. From seawater desalination to waste water reuse, LG Water Solutions offers the right products to optimize your unique system. • Seawater RO membranes featuring the highest flux • Low energy brackish water RO membranes • Residential RO membranes In hundreds of installations across 50 countries, customers trust the performance of our NanoH2O TM line of thin-film nanocomposite reverse osmosis membranes. Contact LG Water Solutions to find out how we deliver more water and less energy. S e a w a t e r De s a li na t i o n li na t i o I n du s tri a l Pr o c e s s W a t e r & W at er R e u s e LGChemWaterSolutions_124x178.indd 2 8/30/2016 10:52:31 AM '96 '97 '98 '99 '00 '01 '02 '03 '04 '05 '06 '07 '08 '09 '10 '11 '12 '13 '14 '15 462 538 504 495 491 488 479 450 433 434 438 369 368 357 346 348 370 395 405 416 0 100 200 300 400 500 600 50 150 250 350 450 550 Melbourne's yearly water consumption Population in Australia's second largest city keeps on growing Water consumption in Melbourne was going down from 1997 until 2011, but as the population grows year on year, so demand for potable water has climbed in each of the past five years. Annual consumption (GL) As of February 17, 2016, total system storage was 1,184 gigali- tres, or 65.3 per cent. Along with Melborne Water, the water retail businesses City West Water, South East Water, Yarra Valley Water, and the state department of land, water, and planning, evaluate water needs using an adaptive framework that charaterises Melbourne's water storages as either: "high zone", or secure; "medium zone", suggesting that five years' supply is available but action should be taken in the form of water orders; or "low zone", which is an extreme low water supply situation brought on by exceptional circumstances. A water order of 50 gigalitres for 2016-17 and the following two years was suggested based on current evidence. The future order pathway is reviewed annu- ally. "As a rainfall-independent, large scale water supply of up to 150 gigalitres a year, VDP is vital for our water security, and guarantees Melbourne's water supply in times of low rainfall and emergencies such as floods and fires," said Brassington. Inflows to Melbourne's water storages The 30-year trend on water inflows to storage is negative A total of 152 gigalitres of water was lost from storages for the city of Melbourne in the 12 months to March 2016, owing to rising demand, low rainfall, and very dry catchments. Inflow (GL) 0 10 20 30 40 50 60 70 80 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2015 30 year average As part of its advice on future ordering, Melbourne Water said that the 50 gigalitre forecasts "represent a balanced estimate of advice for those years based on the modelled average annual decline in median storage vol- umes over the next three years of about 60 gigalitres a year (and not a three-year severe drought sequence)."