C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 25/00 (2006.01) C10G 25/06 (2006.01) C10G 29/10 (2006.01) C10G 29/28 (2006.01)
Patent
CA 2400629
Mercury is removed from crude oils, natural gas condensates and other liquid hydrocarbons by first removing colloidal mercury and solids that contain ad- sorbed mercury and then treating the hydrocarbons with an organic or inorganic compound containing at least one sulfur atom reactive with mercury. The sulfur compound reacts with dissolved mercury that contaminates the hydrocarbons to form mercury-containing particulates that are then removed from the hydrocarbons to produce a purified product having a reduced mercury content. Preferably, the treating agent is an organic sulfur-containing compound such as a dithiocarbamate or sulfurized isobutylene.
Il est possible d'éliminer le mercure du pétrole brut, de condensés de gaz naturel, et d'autres hydrocarbures liquides, en en retirant d'abord le mercure colloïdal et les solides contenant du mercure adsorbé, puis en traitant les hydrocarbures par un composé organique ou minéral contenant au moins un atome de soufre réagissant avec le mercure. Ledit composé réagit avec le mercure dissous pour former des particules contenant du mercure, qu'on élimine pour obtenir un produit purifié à faible teneur en mercure. L'agent traitant est de préférence un composé organique soufré tel que du dithiocarbamate ou de l'isobutylène sulfuré.
Frankiewicz Theodore C.
Gerlach John
Marks & Clerk
Union Oil Company Of California
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