'Purged' in the Bible

and then the priests slaughtered them and purged the altar with their blood as a sin offering to atone for all Israel, because the king ordered that the burnt offering and the sin offering be made for all Israel.

and he burned the bones of the priests upon their altars, and purged Judah and Jerusalem.

Now in the eighteenth year of his reign, when he had purged the land, and the house, he sent Shaphan the son of Azaliah, and Maaseiah the governor of the city, and Joah the son of Joahaz the recorder, to repair the house of the LORD his God.