Contaminations in liquids can often be removed using an adsorbent, such as granular activated carbon (GAC). The best choice of adsorbent is unique for each contaminant, and the effectiveness depends on many parameters. Failing to investigate these can lead to unnecessarily high material costs and long processing times.
When it comes to activated carbon, some of the important parameters are:
In this application note, two students from Zurich University of Applied Sciences screened various types and sizes of activated carbon using the SpinChem® RBR S2. Five different carbons were screened by decolorizing solutions of methylene blue in distilled water. The decolorization process was monitored using inline UV-Vis spectrometry (PAT). The results show the importance of choosing the correct media for your application. In this case of activated carbon, the source and type of the activation was shown to have a major impact on performance.
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Industries Pharmaceuticals and Cosmetics , Environmental, Nuclear
Topics Process Development, Reaction Screening, Downstream Processing, Pesticide Removal
Products SpinChem® RBR S2
Details
Five different carbons were screened by decolorizing 16.3 mg of methylene blue in 250 ml of distilled water at 600 rpm. Each carbon differs in either mesh size or type of activation and 5 g of carbon was used in each run.
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