E.i. Dupont De Nemours and Company

Melvyn B Pell

James W Reeves

Hans Hellmut Glaeser

David Nicholson Low

Ted M Knowlton

Donald H Eastham

Paul G Reis

The present invention is a process for feeding particulate material to a fluidized bed reactor operated at greater than atmospheric through a standpipe wherein the ratio of the absolute pressure where the standpipe enters the fluidized bed reactor to the absolute pressure where the particulate material enters the standpipe is at least about 1.5 and gas is injected into the standpipe at a velocity which is about 20-80 percent of the minimum fluidization velocity of the particulate material.

Process for injecting particulate material into a fluidized bed reactor

In a process for chlorinating titanium containing material in a fluidized bed reactor which evolves gaseous material including CO, COS, and TiCl.sub.4, the improvement comprising introducing oxygen containing gas at a location or locations which are downstream of the surface of the bed, as measured in its static condition, to convert at least some CO to CO.sub.2 and some COS to CO.sub.2 and SO.sub.2.

Process for reducing carbon monoxide and carbonyl sulfide emissions from

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Wilmington, DE, United States of America

Melvyn B Pell