Plant food manufacture

Claim 1

IN A CONTINUOUS PROCESS FOR THE MANUFACTURE OF MIXED FERTILIZERS WHEREIN INORGANIC SALTS ARE PREFORMED AND SUBSEQUENTLY ADMIXED WITH FERTILIZER MATERIAL, THE IMPROVEMENT WHICH COMPRISES: CONTINUOUSLY PASSING STREAMS OF STRONG MINERAL ACID AND A BASIC SUBSTANCE INTO A REACTION ZONE; CONTACTING SAID MINERAL ACID AND SAID BASIC SUBSTANCE WITHIN SAID ZONE WHEREBY TO REACT SAID MINERAL ACID WITH SAID BASIC SUBSTANCE IN A SMOOTH UNINTERRUPTED FASHION WHEREBY TO FORM A GASEOUS PRODUCT COMPRISING STEAM AND A HOT NON-GASEOUS PRODUCT; PASSING SAID GASEOUS PRODUCT AND SAID HOT NON-GASEOUS PRODUCT INTO A SECOND ZONE; SEPARATING THE GASEOUS FROM THE NON-GASEOUS PRODUCT THEREIN; AND IMMEDIATELY THEREAFTER PASSING SAID NONGASEOUS PRODUCT INTO A THIRD ZONE CONTAINING FERTILIZER MATERIAL AND ADMIXING SAID NON-GASEOUS PRODUCT WITH SAID FERTILIZER MATERIAL WHILE MAINTAINING SUBSTANTIALLY THE ENTIRETY OF SAID GASEOUS PRODUCT OUT OF CONTACT WITH SAID FERTILIZER MATERIAL IN SAID THIRD ZONE.