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Patent

Ready-to-use lead sulfide catalyst

H Jarvis
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TLDR
In this paper, the lead sulfide catalysst was used for use in the BENDER (A REGISTERED TRADEMARK) SWEETENING PROCESS of sour PETroleum products.
Abstract
ALREADY-TO-USE LEAD SULFIDE CATALYST FOR USE IN THE BENDER (A REGISTERED TRADEMARK) SWEETENING PROCESS OF SOUR PETROLEUM PRODUCTS. THE LEAD SULFIDE CATALYST COMPRISES A CARRIER OF PARTICULATE INERT SOLIDS AND A RELATIVELY DRY EXPOSED COATING RESIDING ABOUT THE EXTERIOR SURFACE OF THE SOLIDS THE COATING IS FORMED OF A MIXTURE OF SODIUM SULFIDE AND LEAD OXIDE REACTED IN THE PRESENCE OF AN AQUEOUS SOLUTION OF SODIUM SILICATE BINDER, PREFERABLY THE SODIUM SULFIDE IS INTRODUCED IN A STOICHIOMETRIC AMOUNT RELATIVE TO THE LEAD OXIDE IN THE MIXTURE. THE CATALYST CAN BE PROTECTED FROM OXIDIZING GASES OR MOISTURE BY A HYDROCARBON SOLUBLE COVERING ENCLOSING THE COATING ON THE CARRIER. FOR EXAMPLE THE COATING MAY BE A HIGH-MELTING POINT NATURAL, PETROLEUM OR SYNTHETIC WAX.

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