can also be passed through the nozzle with the hydrocarbon feed to improve the atomization the gases include steam nitrogen hydrogen fluidized catalytic process off gas and lower molecular weight hydrocarbons i e hydrocarbons having a carbon number of six or below the weight ratio of atomization medium to hydrocarbon feed generally ranges from about 0 5 weight percent to about 5 0 weight percent the nozzle tips contemplated by the present invention can be fabricated by various means well known to those skilled in the art the tips can be made of metal ceramic or combinations thereof the nozzle tip that contains the orifice can be generally flat hemi spherical or hemi elliptical in shape the spray pattern produced by the nozzle tip of the present invention will produce a flat or sheet type pattern fig1 illustrates an embodiment of the nozzle tip of the present invention specifically nozzle tip 3 includes a first slot 1 which orthogonally intersects with a second slot 2 to form an orifice first slot 1 contains a plurality of protrusions 4 that form a wavy or saw tooth like pattern where the shape of the protrusions 4 is generally semicircular in this embodiment the length of the major axis of the.