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... currently done by purging salt crystallizer mother liquor from the brine plant, or crystallizing sodium sulfate through evaporative or cooling crystallization. The use of nanofiltration for the production of brines supersaturated in sodium sulfate is a technically feasible and attractive alternative.
Desalination 246 (2009)
... other process parameters which play a more important role in their absence. Complexing agents, besides complexing calcium ions, influence the crystallization process by selectively inhibiting growth of certain polymorphs of calcium carbonate. This proposed mechanism coincides with the observation ...
Desalination 159 (2003)
Developments in high recovery brackish water desalination plants as part of the solution to water quantity problems
... water desalination plants have incremental costs ranging from $US0.22 to $US0.57/m3, using BWRO brine recovery, filter backwash recovery and crystallization/UF as pretreatment to a BWRO brine recovery system. In the Saja’a drinking water treatment plant, it is estimated that these thre ...
Desalination 153 (2002)
Scaling analysis of nanofiltration systems fed with saturated calcium sulfate solutions in the presence of carbonate ions
Permeate mass flow and retentate calcium concentration vs. time and concentration factor (CF) curves allowed identification of calcium sulfate crystallization mechanisms. Though both bulk and surface crystallization mechanisms were identified, they were, however, strongly affected by water quality. A
Desalination 159 (2003)
In this work, the interaction, crystallization and morphology of membranes derived from polyamides/poly (vinylalcohol) (PA/PVA, PA: PA66, PA69, PA610 and PA612) blend materials are studie ...
Desalination 227 (2008)
Received in revised form 22 January 2015 Accepted 23 January 2015 Available online 30 January 2015 Keywords: Submerged membrane distillation Crystallization Pore wetting Inland brine desalination a b s t r a c t Submerged vacuum membrane distillation is an alternative to conventional membran ...
Desalination 361 (2015)
... methods, the occurrence of the membrane wetting and scaling was shown and interpreted. These extreme phenomena promote the salt crystallization on the feed side of the membrane. The onset crystallization phenomenon starts when the permeate decreases so fast. Their sudden decline wa ...
Desalination 376 (2015)