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10 Cards in this Set
- Front
- Back
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Types of Activated Carbon |
1. Powdered Activated Carbon (PAC)
2. Granular Activated Carbon (GAC) |
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Powdered Activated Carbon (PAC)
1. Size
2. Method of Contact
3. Application |
- Size: 20-50 um particles
- Method of Contact: Add Powder to water suspension of PAC
-Application: Seasonal Control of taste and odor. Easily add to exiting facilities. |
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Adsorption |
mass transfer process where substances in liquid phase are absorbed into a solid phase |
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Sorption Zone |
the length in which adsorption occurs |
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Adsorption Mass Transfer Mechanisms (4 of them) |
1. Bulk Phase
2. Liquid Film Diffusion
3. Intraparticle Transport
4. Adsorption Reaction |
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Bulk Phase Transport |
-Fast
-Solutes transports diffuse from liquid bulk to liquid film |
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Liquid Film Diffusion |
- Slow
-Solutes diffuse from film to activated carbon |
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Intraparticle Transport |
-Slow
-Solutes diffuse though pores to Available Adsorption size |
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Adsorption Reaction |
-Fast
-Binding of Solutes to activated carbon |
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Granular Activated Carbon (GAC)
1. Size
2. Method of Contact
3. Application |
1. 0.5-3mm
2. Packed Bed Contactor
3. Remove natural organic matter |
