A process 3, where the hydrogen pressure is from the atmospheric up to 10 bar, {HEAD ~ the temperature} from {TAIL ~ 200° C.} to 350° C. and the treatment period, from 30 minutes to 1.5 hours 
A process 3 , where the hydrogen pressure is from the atmospheric up to 10 bar , { HEAD ~ the temperature } from { TAIL ~ 200 ° C. } to 350 ° C. and the treatment period , from 30 minutes to 1.5 hours
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH