Use of nanofiltration membrane technology for ceramic industry wastewater treatment
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Other documents of the author: Moliner Salvador, R.; Deratani, A.; Palmeri, J.; Sánchez-Vilches, Enrique
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comunitat-uji-handle2:10234/7033
comunitat-uji-handle3:10234/8618
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Title
Use of nanofiltration membrane technology for ceramic industry wastewater treatmentDate
2012-03Publisher
Sociedad Española de Cerámica y VidrioISSN
0366-3175; 2173-0431Type
info:eu-repo/semantics/articlePublisher version
http://ceramicayvidrio.revistas.csic.es/index.php/ceramicayvidrio/article/view/1 ...Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
A study has been undertaken of an advanced wastewater treatment approach using polymer nanofiltration membranes, in
an attempt to obtain water of sufficient quality to allow it to be reused in the same production ... [+]
A study has been undertaken of an advanced wastewater treatment approach using polymer nanofiltration membranes, in
an attempt to obtain water of sufficient quality to allow it to be reused in the same production process or, alternatively, to be
discharged without any problems. The study has initially focused on the removal of organic matter (reduction of COD) and
the most representative ions present in the wastewater, such as Na+
, Mg2+, Cl-
, and SO4
2-
.
In a first part of the study, with a view to optimising the experimental phase, a simulation has been performed of the
nanofiltration process using the NanoFlux software. Among other things, the simulation allows the most suitable membranes
to be selected as a function of the permeate flow rate and desired level of retention in the substances to be removed. The
subsequent experimentation was carried out in a laboratory tangential filtration system that works with flat membranes.
It was found that retention values of about 90% were obtained for the studied substances, with a good permeate flow rate,
using low operating pressures. These results demonstrate the feasibility of the studied technology and its potential as a
treatment for improving ceramic industry wastewater quality [-]
Is part of
Boletín de la Sociedad Española de Cerámica y Vidrio, 2012, març/abril, Vol. 51, núm. 2Rights
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