So now we descend to the level of "Catholic writers" unnamed and unsourced referring to something that opposes what the Catechism says. Nice argument. Unless you can come up something with a little more substance, direct your anger elsewhere.
I trust that, in spite of your efforts, we can enlighten you. I don't know where Purgatory is. We can speculate, but we don't know. All we know is that it exists.
Well, in your search for it, you can eliminate one place for sure. It's not in Scripture.