Patent ID: 6268543
Filing Date: 2001-07-31
Classification: C10G

Abstract:
A method of removing mercury from a liquid hydrocarbon, comprising:a step of contacting the liquid hydrocarbon containing mercury with water contacted in advance with a crude oil and a sludge contacted in advance with said crude oil;wherein the water contacted in advance with said crude oil contains at least one ion selected from the group consisting of Cl.sup.-, NO.sub.3.sup.-, SO.sub.3.sup.2-, SO.sub.4.sup.2-, Na.sup.+, NH.sub.4.sup.+, K.sup.+, Ca.sup.2+, Mg.sup.2+, Fe.sup.2+ and Fe.sup.3+ ; andwherein the sludge contacted in advance with said crude oil contains at least one element selected from the group consisting of Fe, Si, Na, Al, P, Zn, Cu, Ca, Mg, V, K, Cr, Mn, Ni, C, H, N, S, O and Cl.