Not to sound flippant, but it seems "depersonification" would fit fairly well. i suppose an argument could be made for "objectification", but that carries different undertones.

i'd tend to agree with it being some form of prosopopeia ~ can someone break "prosopopeia" down and exchange the part that means "human" to something meaning "inanimate"?

EDIT: i wouldn't agree with transfiguration, milo, based on the fact that it suggests a necessary component of glorification/exaltation, whereas in the passage BY cites the speaker is clearly attempting to remove himself from the glory of being human.