2018
DOI: 10.1039/c7ew00455a
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Significant energy savings by optimising membrane design in the multi-stage reverse osmosis wastewater treatment process

Abstract: The total energy consumption of the multi stage spiral wound RO process has continuously improved as a result of discovering the proper design parameters for each module that can save more energy besides keeping high removal of chlorophenol.

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Cited by 3 publications
(7 citation statements)
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“…On the other hand, Al-Obaidi et al [138] evaluated the impact of membrane length (the length perpendicular to the axial direction) on the specific energy consumption for RO process to remove chlorophenol from wastewater with membrane surface area fixed. The membrane surface area of the element was fixed at 7.845 m 2 with a diameter of 4 inches.…”
Section: Permeate Side Pressure Lossmentioning
confidence: 99%
See 2 more Smart Citations
“…On the other hand, Al-Obaidi et al [138] evaluated the impact of membrane length (the length perpendicular to the axial direction) on the specific energy consumption for RO process to remove chlorophenol from wastewater with membrane surface area fixed. The membrane surface area of the element was fixed at 7.845 m 2 with a diameter of 4 inches.…”
Section: Permeate Side Pressure Lossmentioning
confidence: 99%
“…Al-Obaidi et al [138] evaluated the impact of membrane surface area on the specific energy consumption of an RO process to remove chlorophenol from wastewater in cases with and without an ERD. They modeled a 50% increase of membrane surface area from 7.845 m 2 to 11.768 m 2 by increasing either membrane length or width.…”
Section: Membrane Surface Areamentioning
confidence: 99%
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“…They are environmentally friendly and pollution-free energy sources. Both wind and sunshine intensity constantly vary with weather and climate, which makes wind and solar energy difficult to be used [53]. However, with the development of modern science and technology, the utilization of wind energy and solar energy has made breakthroughs in technology [54].…”
Section: Green Energy For Wastewater Treatment Plantsmentioning
confidence: 99%
“…The RO process, and especially the large-scale RO systems, require a vast amount of energy to operate the high pressure pumps in all the modularized units, resulting in severe exergy destruction [12]. In this regard, the necessity of energy is directly related to the operating conditions where an increase in the feed salinity or pressure would cause an increase in the supplied energy [13,14]. Although the RO process requires less than half the energy needed for thermal processes [15], research on improving the existing water desalination plants is progressively increasing to introduce the RO process as the most reliable, efficient and economical option compared to other involved water treatment technologies [16,17].…”
Section: Introductionmentioning
confidence: 99%