71 research outputs found
Use of nanofiltration membrane technology for ceramic industry wastewater treatment
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 qualit
Reversible 2D/3D coatings from zipper-assembly of block copolymer micelles
International audienc
Dynamic 2D/3D Membranes from Self-Assembly of Block Copolymer Micelles: Self-Healing Membranes and Reversible Coatings
International audienc
Removal of fluoride from Saharan brackish water by retention on membrane NF 270 using nanofiltration process
International audienc
Polycondensation of cyclodextrins with epichlorohydrin. Influence of reaction conditions on the polymer structure
International audienc
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