'Purified' in the Bible

Then the next day, Paul took the men, having purified himself along with them, and entered the temple, announcing the completion of the purification days when the offering for each of them would be made.

and while I was doing this, some Jews from Asia found me ritually purified in the temple, without a crowd and without any uproar.

According to the law almost everything is purified with blood, and without the shedding of blood there is no forgiveness.

Therefore it was necessary for the copies of the things in the heavens to be purified with these sacrifices, but the heavenly things themselves to be purified with better sacrifices than these.

Otherwise, wouldn’t they have stopped being offered, since the worshipers, once purified, would no longer have any consciousness of sins?

By obedience to the truth, having purified yourselves for sincere love of the brothers, love one another earnestly from a pure heart,