Process for producing a mixed fertilizer

Claim 1

THE CONTINUOUS PROCESS OF MAKING A SUBSTANTIALLY NON-HYDROSCOPIC MIXED FERTILIZER OF PARTICULATE FORM WITH A FINAL WATER CONTENT AS LOW AS ONE PERCENT WITH A HIGH NITROGEN CONTENT DERIVED PRIMARILY FROM AMMONIUM NITRATE WHEREIN EACH DISCREET PARTICLE OF THE FERTILIZER PRODUCT HAS INDIVIDUALLY AN ANALYSIS SUBSTANTIALLY THE SAME AS THAT OF THE OVERALL FERTILIZER, WHICH PROCESS COMPRISES INTERMIXING AND AGITATION QUICKLY INTO A THIN WATERY SLURRY, A DRY, FINELY DIVIDED PHOSPHATE MATERIAL SELECTED FROM SUPERPHOSPHATE AND TRIPLE SUPERPHOSPHATE, AND A WATER SOLUTION OF AMMONIUM NITRATE IN A CONCENTRATION SELECTED FOR THE FINAL FERTILIZER NITROGEN CONTENT WHEREIN THE TOTAL QUANTITY OF TEH AMMONIUM NITRATE RANGES FROM 300 TO 800 POUNDS PER TON OF FINISHED FERTILIZER AND THE TEMPERATURE OF THE SLURRY IS MAINTAINED ABOVE THE AMMONIUM NITRATE SALTING OUT TEMPERATURE RANGING UPWARDLY FROM AN APPROXIMATE MINIMUM OF 130 DEGREES F., THE QUANTITY OF WATER IN SAID SOLUTION RANGING UPWARDLY FROM APPROXIMATELY 150 POUND PER TON OF FINISHED FERTILIZER; AGITATING THE SLURRY AND SIMULTANEOUSLY COOLING IT TO BELOW SAID SALTING OUT TEMPERATURE RESULTING IN QUICK SOLIDIFICATION; AND CONTINUING THE AGITATION TO BRING THE SOLIDIFYING PRODUCT INTO PARTICULATE FORM.