Currently, most of the processes that are being developed for the industrial production of carbon nanotubes use a fluidized bed. A new potential application of fluidization technology is chemical looping combustion , which has not yet been commercialized. One solution to reducing the potential effect of carbon dioxide generated by fuel combustion e.
Chemical looping uses a metal oxide as a solid oxygen carrier. These metal oxide particles replace air specifically oxygen in the air in a combustion reaction with a solid, liquid or gaseous fuel in a fluidized bed, producing solid metal particles from the reduction of the metal oxides and a mixture of carbon dioxide and water vapor , the major products of any combustion reaction.
The water vapor is condensed, leaving pure carbon dioxide which can be sequestered. The solid metal particles are circulated to another fluidized bed where they react with air and again, specifically oxygen in the air , producing heat and oxidizing the metal particles to metal oxide particles that are recirculated to the fluidized bed combustor.
Fluidization has many applications with the use of ion exchange particles for the purification and processing of many industrial liquid streams. Conventionally ion exchange has been used in a packed bed where a pre-clarified liquid passes downward through a column.
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This system has widespread applications extending the use of traditional ion exchange systems because it can handle feed streams with large amounts of suspended solids due to the use of fluidization. From Wikipedia, the free encyclopedia. This article includes a list of references , but its sources remain unclear because it has insufficient inline citations.
Please help to improve this article by introducing more precise citations. March Learn how and when to remove this template message. Further information on applications: Fluidized bed , Fluidized bed combustion , and Fluidized bed reactor. Peters, W.
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Archived from the original on Retrieved Chlorocarbons and Chlorohydrocarbons, Survey. Biotechnology Progress. Powder Technology. Categories : Chemical processes Fluidization.
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