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The present book deals with the experiment carried out for the dye
and salt removal from the feed solution of three different
concentrations i.e. 12.5 ppm, 25 ppm and 50 ppm dye concentration
& 500 ppm, 750 ppm and 1000 ppm salt concentration by two
different Nanofiltration membranes - flat sheet membrane and Spiral
wound membrane. The reuse of process water in the dye processing
industry is considerable in terms of environment, economy, and
industrial management by nanofiltration membranes. However, there
are a lot of parameters affecting membrane performance. The book
provides an indepth knowledge about the effect of concentration of
component, trans-membrane pressure have a role on permeate flux and
rejection. However the composition of actual dye effluent from
industries may also contain other auxiliary materials like metal
ions, organics, etc. which may result in membrane plugging and flux
decline and therefore may not be compatible with the results
obtained from the project in which the feed consisted of solely dye
and salt. Further studies may be required to do a detail analysis
of change in parameter.
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