A sorbent activation process (SAP) for production of environmental sorbents such as activated carbon and calcium-based sorbents is described. SAP involves on-site production of a sorbent which is then injected directly into the flue gas upstream of a particulate control device. When SAP is used to produce activated carbon, the feedstock coal used is the same coal burned by the utility. In this paper results from a series of tests to prepare activated carbon and lime sorbents in a bench-scale SAP are presented.  Results show that the SAP technology can be used to produce AC and lime sorbents with properties comparable to those of commercially available products for removal of mercury and acid gases from coal combustion flue gas.

On-site production of environmental sorbents for removal of mercury and acid gases from coal combustion flue gas

243rd National Meeting (2012)

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