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Treatment process of a catalyst with a lead containing active phase contaminated by an arsenic compound
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Method for manufacturing catalysts for conversion of hydrocarbons
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Treatment of hydrocarbons in the presence of a catalyst with a base of alumina balls shaped by oil drop
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Process for selectively hydrogenating acetylenic hydrocarbons of a C4 hydrocarbon cut containing butadiene
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Preparation of hydrotreating catalyst of hydrocarbon oil
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