the invention is directed to a process for cleaning bitumen froth by mixing a sufficient amount of naphtha with the bitumen froth to provide a naphtha - to - bitumen ratio within the range of about 4 . 0 to about 10 . 0 and separating substantially dry diluted bitumen from the water and solids . also provided is a process for cleaning diluted bitumen by mixing a sufficient amount of naphtha with the diluted bitumen to provide a naphtha - to - bitumen ratio equal to or greater than about 1 . 8 and separating marketable fungible raw bitumen from the water and solids .