This psalm 15 may be one of the best banishings that has effect on one's own person that I have ever done. By having effect on one's own person I mean that you banish evil and negative energies from yourself.
Lord, who shall abide in thy tabernacle? who shall dwell in thy holy hill? He that walketh uprightly, and worketh righteousness, and speaketh the truth in his heart. He that backbiteth not with his tongue, nor doeth evil to his neighbour, nor taketh up a reproach against his neighbour. In whose eyes a vile person is contemned; but he honoureth them that fear the Lord. He that sweareth to his own hurt, and changeth not. He that putteth not out his money to usury, nor taketh reward against the innocent. He that doeth these things shall never be moved.
Works very well when put together with psalm 91, which is to be said after. It helps secure the space quite well. IMO, using psalms to banish works much better than the LBRP. Also, long term, psalm recitation educates the astral body to fulfill their functions automatically when needed.