... and high removel. 3) Carrier: various cordierite size, alumina. 1.CO Technology FeatureBefore using, T02-1 catalyst should be heated up ... heat transfer and recover heat energy.This catalyst could make CO content less than 0.5ppm under space velocity at 1 ... while too much combustible gas contained).T02-2 normal temperature CO removal catalyst could be used directly in air cleaner, at ...