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U.S. A t o m i c Energy C s m m i s s i o n a n d t h e ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY OFFICE DIQSSLON OF CONTROL S Y S T E M S ARGONNE NATIONAL LABORATORY DISCLAIMERThis report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency Thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. W o r k p e r f o r m e d under an a g r e e m e n t b e t w e e n t h e DISCLAIMER L i t e r a t u r e Review2 . T e c h n i c a l E v a l u a t i o n of C a n d i d a t e P r o c e s s e s . . . . . . . . . .. 3P r e s s u r e E f f e c t s i n R e g e n e r a t i o n 4 . E x p e r i m e n t a l P r o g r a m . . . . . . . . . . . . . .iii ABSTRACTAdditional work is planned on the antipollution aspects of fuel combustion in fluidized beds to which limestone is added. The major emphasis of the next phase of work will be on combustion at pressures up to 10 atm and regeneration of the sulfated lime under pressure. Fluidized-bed combustors will be operated in the one-and two-stage modes to investigate effects on NOx and sulfur emissions. The program will include laboratory-and bench-scale work aimed at elucidating mechanisms important to sulfur oxide and nitrogen oxide control.

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* In this method, the liquid alloys are in adjacent vessels and the molten salt is cycled between the two vessels by alternately pressuring the bulk of the mollen salt through a heated transfer line from one alloy to another. * The packed portion of the column consisted of a 1-in. ID by 24-in. long section with expanded sections (to 2-in. ID) at the top and bottom.

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