Activation of clay
First Claim
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1. IN THE PREPARATION OF ACTIVE CATALYSTS FROM CLAY BY METHOD INVOLVING SULFATION OF SUCH CLAY TO INCORPORATE SULFATE THEREIN BY REACTION WITH COMPONENTS OF SAID CLAY AND FOLLOWED BY DECOMPOSITION OF THE THUS COMBINED SULFATE AT ELEVATED TEMPERATURE WITH EVOLUTION OF SULFUROXIDE GAS, THE IMPROVEMENT WITH COMPRISES EFFECTING SUCH SULFATION BY TREATMENT OF THE CLAY WITH A COMPOSITION COMPRISING CONCENTRATED SULFURIC ACID AND A SATURATED ORGANIC HYDROXY COMPOUND MISCIBLE WITH SAID ACID AND PRESENT IN AN AMOUNT OF AT LEAST 2% BY WEIGHT OF ACID, SAID COMPOUND CONTAINING AN ALCOHOLIC HYDROXY GROUP AND BEING FREE OF NON-OXO CARBONYLIC GROUPS.
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1 Claim
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1. IN THE PREPARATION OF ACTIVE CATALYSTS FROM CLAY BY METHOD INVOLVING SULFATION OF SUCH CLAY TO INCORPORATE SULFATE THEREIN BY REACTION WITH COMPONENTS OF SAID CLAY AND FOLLOWED BY DECOMPOSITION OF THE THUS COMBINED SULFATE AT ELEVATED TEMPERATURE WITH EVOLUTION OF SULFUROXIDE GAS, THE IMPROVEMENT WITH COMPRISES EFFECTING SUCH SULFATION BY TREATMENT OF THE CLAY WITH A COMPOSITION COMPRISING CONCENTRATED SULFURIC ACID AND A SATURATED ORGANIC HYDROXY COMPOUND MISCIBLE WITH SAID ACID AND PRESENT IN AN AMOUNT OF AT LEAST 2% BY WEIGHT OF ACID, SAID COMPOUND CONTAINING AN ALCOHOLIC HYDROXY GROUP AND BEING FREE OF NON-OXO CARBONYLIC GROUPS.
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Current AssigneeGerhardt Talvenheimo
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Original AssigneeGerhardt Talvenheimo
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InventorsGERHARDT TALVENHEIMO
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Application NumberUS03/653,295Time in Patent Office1,105 DaysField of SearchUS Class Current502/62CPC Class CodesB01J 21/16 Clays or other mineral sili...
