Scaling cause rejection of membrane drop ?
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Scaling in membrane systems can indeed lead to a drop in membrane performance and rejection. Various factors contribute to scaling, including the presence of sparingly soluble salts like calcium, barium, strontium, and silica, which can result in irreversible membrane damage and reduced permeate quality . Methods such as using antiscalants or incorporating carbon nanotubes into membranes have shown promise in reducing scaling effects and improving membrane performance . Inorganic scaling, caused by minerals like calcium carbonate and sulfate, is a common issue in membrane-based desalination, impacting water recovery and process efficiency . Additionally, scaling can affect the liquid entry pressure of membranes in processes like membrane distillation, potentially leading to increased salt passage and decreased separation effectiveness . Addressing scaling is crucial to maintaining membrane efficiency and preventing rejection.
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| Papers (5) | Insight |
|---|---|
Open access 01 Sep 2015 6 Citations | Scaling can lead to a decrease in surface tension, potentially causing a reduction in liquid entry pressure (LEP) and increased salt passage through the membrane in membrane distillation systems. |
31 Citations | Inorganic scaling in membrane desalination can lead to reduced water recovery and process efficiency due to precipitation of salts, impacting membrane rejection rates. |
Patent 04 Mar 2015 2 Citations | Preventing scaling in membrane filtration concentrated liquid, as outlined in the method, ensures efficient and stable operation, preventing rejection due to scaling issues. |
15 Citations | The presence of carbon nanotubes in membranes reduces scaling, leading to higher water flux and improved antiscaling behavior, as observed in the study. |
| Scaling can lead to membrane rejection drop in reverse osmosis systems due to various factors like permeate flux decline, high pressure, and irreversible damage, primarily influenced by silica and foulants. |
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