Manufacture of low odor solvents

Claim 1

AN INTEGRATED PROCESS FOR PREPARING A LOW ODOR PARAFFINIC SOLVENT COMPRISING THE STEPS IN COMBINATION AND IN SEQUENCE, AS FOLLOWS: CATALYTICALLY REFORMING IN A REFORMING ZONE A NAPHTHA FEED BOILING IN THE RANGE FROM 250 TO 450*F. AND CONTAINING 35 TO 95 WEIGHT PERCENT PARAFFINS, 3 TO 60 WEIGHT PERCENT NAPHTHENES, NOT MORE THAN 1 PERCENT OLEFINIC MATERIALS, NOT MORE THAN 25 WEIGHT PERCENT AROMATICS, AND SMALL AMOUNTS OF POLAR COMPOUNDS INCLUDING SULFUR COMPOUNDS, SAID REFORMING BEING EFFECTED AT A TEMPERATURE IN THE RANGE FROM 600 TO 1000*F., 50 TO 1000 P.S.I.G. AND AT A SPACE VELOCITY OF 0.5 TO 10 VOLUMES/VOLUME/HOUR, AND FORMING A PRODUCT OF SAID REFORMING CONTAINING A MAXIMUM OF 2 WEIGHT PERCENT NAPHTHENES AND A MAXIMUM OF 1 WEIGHT PERCENT OLEFINS; DISTILLING SAID REFORMING PRODUCT TO PRODUCE A FIRST STREAM CONTAINING HYDROGEN AND H2S PRODUCED IN THE REFORMING STEP, A SECOND STREAM CONTAINING THE C5 AND LIGHTER HYDROCARBONS, AND A THIRD STREAM CONTAINING THE BALANCE OF SAID REFORMING PRODUCT; SUBJECTING SAID THIRD STREAM TO A SOLVENT EXTRACTION STEP WITH A POLAR SELECTIVE SOLVENT, REMOVING AS EXTRACT PRODUCT A STREAM CONTAINING SUBSTANTIALLY ALL OF THE AROMATICS AND A PARAFFINIC RAFFINATE CONTAINING A MAXIMUM OF 0.5 WEIGHT PERCENT AROMATICS AND 1 WEIGHT PERCENT NAPHTHENES; SPLITTING SAID FIRST STREAM INTO A FOURTH AND FIFTH STREAM, RECYCLING SAID FOURTH STREAM TO SAID REFORMING ZONE IN AN AMOUNT NECESSARY TO SUPPLY FROM 20 TO 200 STANDARD CUBIC FEET OF HYDROGEN FOR EACH GALLON OF SAID NAPHTHA FEED; MIXING SAID FIFTH STREAM WITH SAID RAFFINATE IN A