Process for the production of concentrated sulfuric acid and oleum from hydrogen sulfide containing gases

Claim 1

IN A METHOD OF PRODUCING A SULFURIC ACID PRODUCT SELECTED FROM THE GROUP CONSISTING OF CONCENTRATED SULFURIC ACID AND OLEUM OF PREDETERMINED CONCENTRATION BY THE WET CATALYSIS PROCESS FROM COMBUSTION GASES OBTAINED IN THE COMBUSTION OF H2S CONTAINING GASES IN WHICH THE MOISTURE CONTENT IS TOO HIGH TO PRODUCE THE SULFURIC ACID PRODUCT OF THE PREDETERMINED CONCENTRATION UPON BEING SUBJECTED TO THE WET CATALYSIS PROCESS, THE STEPS WHICH COMPRISE BURNING A MATERIAL SELECTED FROM THE GROUP OF ELEMENTARY SULFUR AND HYDROGEN FREE SULFUR COMPOUNDS TO PRODUCE A COMBUSTION GAS CONTAINING SO2 AND LESS THAN 1 VOLUME OF H2O PER VOLUME OF SO2, INCORPORATING A SUFFICIENT QUANTITY OF SAID SO2, CONTAINING COMBUSTION GAS WITH THE HIGH MOISTURE CONTAINING GASES OBTAINED IN THE COMBUSTION OF THE H2S CONTAINING GASES WITHOUT PRELIMINARY DRYING SO THAT THE RESULTING MIXTURE, TAKING INTO CONSIDERATION THE MOISTURE CONTENT OF THE AIR REQUIRED FOR THE CONVERSION OF THE SO2 CONTENT THEREOF TO SO3, HAS THE H2O:SO2 PROPORTION NECESSARY FOR THE PRODUCTION OF THE SULFURIC ACID PRODUCT OF THE PREDETERMINED CONCENTRATION, AND SUBJECTING SAID MIXTURE DIRECTLY TO THE WET CATALYSIS PROCESS WITHOUT PRELIMINARY DRYING TO PRODUCE SAID SULFURIC ACID PRODUCT OF THE PREDETERMINED CONCENTRATION.