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Trace ions rejection tunning in NF by selecting solution composition: Ion permeances estimation

Author
Pagès, N.; Reig, M.; Gibert, O.; Cortina, J.
Type of activity
Journal article
Journal
Chemical engineering journal
Date of publication
2017-01-15
Volume
308
First page
126
Last page
134
DOI
https://doi.org/10.1016/j.cej.2016.09.037 Open in new window
Project funding
Integración de procesos de membranas, intercambio iónico y precipitación química en la valorización de concentrados de tratamientos
PROCESSOS DE SEPARACIÓ I TRACTAMENT DE RESIDUS INDUSTRIALS (SETRI)
Valorization of by-products from industrial effluents: integration of membrane technologies in the separation, concentration and purification steps
Repository
http://hdl.handle.net/2117/102563 Open in new window
URL
http://www.sciencedirect.com/science/article/pii/S1385894716312736 Open in new window
Abstract
Nanofiltration (NF) is suggested to selectively remove ionic species in aqueous process streams taking benefit of both membrane and aqueous solution composition. The importance of predicting and optimizing selective ion rejections by NF not only of major compounds (e.g. NaCl, Na2SO4, MgCl2, MgSO4) but also of minor ones such as ammonium (NH4+), nitrate (NO3-), bromide (Br-), iodide (I-) typically present in natural and industrial process streams is crucial. The current work explores ion rejectio...
Citation
Pagès, N., Reig, M., Gibert, O., Cortina, J. Trace ions rejection tunning in NF by selecting solution composition: Ion permeances estimation. "Chemical engineering journal", 15 Gener 2017, vol. 308, p. 126-134.
Keywords
Cross-flow filtration, Electrolytes mixture, Ion membrane permeance, Ion rejections, Nanofiltration, Solution-Electro-Diffusion-Film model
Group of research
CRnE - Barcelona Research Center in Multiscale Science and Engineering
R2EM - Resource Recovery and Environmental Management

Participants

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