05284636 is referenced by 19 patents and cites 7 patents.

A process for the stabilization of heavy metals in the ash produced by the combustion of a heavy metals containing fuel, such as municipal solid waste, by introducing into the combustion system a phosphorous oxide specie or elemental yellow phosphorus. The additive can be introduced at any point in the system upstream of the particulate removal device employed in the system. If elemental phosphorus is used, it must be introduced at a point in the system where it will be exposed to an elevated temperature and oxygen, so as to be converted to a phosphorus oxide specie. When elemental phosphorus is introduced into the system downstream of the combustion zone, it is also effective to reduce the NO content of the flue gas.

Title
Method of stabilizing heavy metals in ash residues from combustion devices by addition of elemental phosphorus
Application Number
7/857363
Publication Number
5284636
Application Date
March 25, 1992
Publication Date
February 8, 1994
Inventor
Shoou I Wang
Allentown
PA, US
John J Lewnard
Emmaus
PA, US
Stephen P Goff
Orefield
PA, US
Agent
William F Marsh
James C Simmons
Thomas G Ryder
Assignee
Air Products and Chemicals
PA, US
IPC
B01D 53/54
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