For seven days the priests are to make atonement for the altar and cleanse it; so they shall consecrate it.

Ezekiel 43:20
You are to take some of its blood and put it on the four horns of the altar, on the four corners of the ledge, and all around the rim; thus you will cleanse the altar and make atonement for it.

Ezekiel 43:22
On the second day you are to present an unblemished male goat as a sin offering, and the altar is to be cleansed as it was with the bull.

Ezekiel 43:25
For seven days you are to provide a male goat daily for a sin offering; you are also to provide a young bull and a ram from the flock, both unblemished.

Ezekiel 43:27
At the end of these days, from the eighth day on, the priests are to present your burnt offerings and peace offerings on the altar. Then I will accept you, declares the Lord GOD.'"

Ezekiel 45:18
This is what the Lord GOD says: 'On the first day of the first month you are to take a young bull without blemish and purify the sanctuary.

Seven days shall they purge the altar and purify it; and they shall consecrate themselves.