| +-----+-----+ | Acid | | Acid Treatment | | | Treatment Acid +----------------------+ | +------------+ Bottoms | | Treatment | Paraffin Distillate | +----------+---+ | Naphtha | | +-------+--+ | +----------------------+ | | | Distillate | | | | +------+-----+ | Sludge | +------------+ | Sludge | | | Cold Pressing +------------+ Separated +----------+ Sludge | | | Deodorized | by boiling | Gasoline | +------------+ +-------+----------+ | Naphtha | with water | Stock | | Treated | | | +------------+ | +----------+ | Test | Slack Pressed Paraffin +-----------+ | | Distillate | Wax Distillate | | Steam +------------+ | | +-----------+ Acid Distillation | Sweating Fractional | Weak | Oil | Fractional Process Distillation | Sulphuric | | +-----+---+ Distillation | | | Acid | | | | | | +-------+-------+ +-----------+ | Gasoline Bottoms +---------------+ | | | Fractional | | | +------------+ +-----------+ Distillation +------------+ +----------+ | | Gas & Fuel | | Paraffin | | | Standard | | Gas and | | | Oil Stock | | Oil Stock |