Abstract
In Republic of Korea, seawater engineering and architecture of high efficiency reverse osmosis (SEA- HERO) research and development (R&D) program started from 2007 to lead the top seawater reverse osmosis (SWRO) plant technologies for desalination with the fund of US $165 million for 6 years including test-bed plant construction. There are three technical strategies for SEAHERO R&D program called 3L, which represents large scale, low fouling, and low energy, respectively. Large scale means design, construction, and operation of the largest unit SWRO train (daily water production rate = 8 MIGD (36,000 m 3 /day)) in the world. Low-foul- ing strategy targets the decrease of RO membrane fouling by 50%. The specific target for low energy is total energy consumption of whole SWRO plant (including intake, pretreatment, SWRO systems, and so on) less than 4 kWh/ m 3 . The core parts for SWRO plant, such as 16 in. diameter RO membrane and energy recovery device, were devel- oped and will soon be introduced to a test-bed including the largest unit SWRO train. The next step of SEAHERO is real field scale test-bed application of the unit technologies developed for the past 4 years (2007-2010) such as stra- tegic pretreatment, energy-saving technology, and reliable system monitoring.
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