A combined ion exchange–nanofiltration process for water desalination: III. Pilot scale studies

Hilal, Nidal; Kochkodan, Victor; Abdulgader, Hasan Al; Mandale, Stephen; Aljlil, Saad A.

doi:10.1016/j.desal.2014.11.030

Cited by 22 publications

(4 citation statements)

References 21 publications

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“…However, if monovalent anions are replaced with multivalent anions, NF membranes can be used in place of RO for the solution concentration [57][58][59], since these multivalent anions are rejected effectively due to charge-based exclusion by the membrane active layer. Hilal et al [60][61][62] have investigated this idea in the form of Cl − -SO 2− 4 ion-exchange resins coupled with NF membranes for lower-energy desalination. If SO 2− 4 is rejected, so is Na + to satisfy electroneutrality in the product stream.…”

Section: Ranking Electrolytes Based On Energy For Effluent Recyclingmentioning

confidence: 99%

Replacing chloride anions in dyeing enables cheaper effluent concentration and recycling

Gupta

Shanmukham²,

Patel

et al. 2022

Desalination

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Section: Ranking Electrolytes Based On Energy For Effluent Recyclingmentioning

confidence: 99%

Replacing chloride anions in dyeing enables cheaper effluent concentration and recycling

Gupta

Shanmukham²,

Patel

et al. 2022

Desalination

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“…Integrated or hybrid membrane systems are an interesting option for membrane technologists and have been demonstrated to improve water treatment and desalination compared to conventional systems. [15][16][17] A hybrid membrane system as it's name suggests is a process that brings together a membrane filtration unit with other processes such as coagulation, ionexchange adsorption, or another membrane system. The efficiency and choice of component processes depend mainly on the qualities of the feed water and the product water.…”

Section: Advanced Membrane Technologiesmentioning

confidence: 99%

Exploring the current state of play for cost-effective water treatment by membranes

Hilal

Wright

2018

npj Clean Water

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This article presents a perspective on the current development and application of membranes for the treatment of water. We examine how membranes contribute to the global challenge of sustainable supply of clean water. The main theme is on desalination and how innovative science and emerging technology is being applied. Thus, we appraise how techniques such as advanced membrane materials, biomimetic membranes, hybrid systems, forward osmosis, and membrane distillation are being used to improve production to meet the increasing global demand for water.

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“…The polymeric membranes have their own intense in the field. Membrane technology is emerging in the field of separation and water purification . The application of the polymeric membrane is not restricted to water purification .…”

Section: Introductionmentioning

confidence: 99%

“…The Sandell sensitivity, limit of detection, limit of quantification, and relative standard deviation were found to be 0.276 μg/mL/cm 2 , 0.279 μM, 1.674 μM, and 0.682% respectively.The polymeric membranes have their own intense in the field. Membrane technology is emerging in the field of separation and water purification [1]. The application of the polymeric membrane is not restricted to water purification [2].…”

mentioning

confidence: 99%

A novel mixed matrix membrane of phenolphthalein hydrazide and polysulfone for the detection of copper ions in environmental water samples

Sreeramareddygari

Kempahanumakkagari

Padaki

et al. 2019

Env Prog and Sustain Energy

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The novel membrane test strip of phenolphthalein hydrazide (PH)‐polysulfone has been designed and demonstrated for Cu2+ ions detection. Before finding performance of membrane the studies with PH alone has been performed. Aqueous solutions of PH are colorless, but upon interaction with Cu2+ ions become pink (when 8.2 ≤ pH ≥ 12). The colorimetric change is initiated by the coordination of Cu2+ with PH as a polydentate ligand, opening the spirolactam ring that subsequently hydrolyses releasing phenolphthalein (P). Further membrane was preloaded with PH that could be used as a simple, low cost, and portable sensor for Cu2+ ions in environmental water samples. Given the detection limits of this sensor, a maximum response would warn the tester that Cu2+ concentrations were above safe drinking regulation values. Approximate concentrations can be determined via a color comparison chart. Different metal ions were tested in order to determine the chemodosimeters specificity, of the 12 tested ions only Hg2+ induced a similar molecular transformation (i.e., PH to P). The chemodosimeter allows the quantification of Cu2+ ions in the linear dynamic range of 0–22 μM. The Sandell sensitivity, limit of detection, limit of quantification, and relative standard deviation were found to be 0.276 μg/mL/cm2, 0.279 μM, 1.674 μM, and 0.682% respectively. © 2019 American Institute of Chemical Engineers Environ Prog, 38:e13146, 2019

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A combined ion exchange–nanofiltration process for water desalination: III. Pilot scale studies

Cited by 22 publications

References 21 publications

Replacing chloride anions in dyeing enables cheaper effluent concentration and recycling

Replacing chloride anions in dyeing enables cheaper effluent concentration and recycling

Exploring the current state of play for cost-effective water treatment by membranes

A novel mixed matrix membrane of phenolphthalein hydrazide and polysulfone for the detection of copper ions in environmental water samples

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