The method 1 wherein providing {TAIL ~ a reactor} further comprises providing a reactor having {HEAD ~ catalytic material} in or on the inner surfaces of the first plurality of cells 
The method 1 wherein providing { TAIL ~ a reactor } further comprises providing a reactor having { HEAD ~ catalytic material } in or on the inner surfaces of the first plurality of cells
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH