Abstract: Hydrocarbon liquids an gas, particularly gas to be processed in LNG plants, are treated to remove mercury by contacting them with free bismuth or tin or a mixture of these on silica, alumina, or other type of non-reactive base. The sorbent is prepared by milling together the oxide of bismuth or tin and the silica or alumina base and subsequently reducing the oxide in a heated reducing atmosphere.
Abstract: The pour point of a catalytically dewaxed hydrocarbon oil is determined manually by the ASTM D-97-66 method and also by automatic apparatus such as the Herzog Electronic Pour Point Automatic MC 850 apparatus. A substantial divergence of the two indicates contamination by a waxy hydrocarbon oil such as the feedstock to the dewaxing process.
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