Process for the production of hydrocarbon fluids having a low aromatic and sulfur content

Abstract

A process for hydrogenating a low sulphur blended feed into very low sulphur and very low aromatic hydrocarbon fluids having a boiling point in the range of from 100 to 400° C. and a boiling range of not more than 80° C., the low-sulphur blended feed including a mixture of: i) a hydrocarbon cut originating from a gas-to-liquid process with ii) at least one selected from the group consisting of a hydrodeoxygenated hydrocarbon cut obtained from biomass, a gas condensate, a hydrocarbon cut of fossil origin and mixtures thereof; the process including the step of catalytically hydrogenating the feed at a temperature from 80 to 180° C. and at a pressure from 50 to 160 bars.

1 . A process for hydrogenating a low sulphur blended feed containing less than 15 ppm of sulphur into very low sulphur and very low aromatic hydrocarbon fluids containing less than 5 ppm of sulphur and less than 300 ppm of aromatics and having a boiling point in a range of from 100 to 400° C. and a boiling range of not more than 80° C., the low-sulphur blended feed comprising a mixture of:
 i) a hydrocarbon cut originating from a gas-to-liquid process with 
 ii) at least one selected from a group comprising a hydrodeoxygenated hydrocarbon cut obtained from biomass, a gas condensate, a hydrocarbon cut of fossil origin and mixtures thereof; 
 the process further comprising catalytically hydrogenating the feed at a temperature from 80 to 180° C. and at a pressure from 50 to 160 bars. 
 
     
     
         2 . The process of  claim 1 , wherein the low sulphur blended feed contains 5 to 95% wt. of a hydrocarbon cut originating from a gas-to-liquid process. 
     
     
         3 . The process of  claim 1 , wherein the low-sulphur blended feed contains less than 70% aromatics. 
     
     
         4 . The process of  claim 1 , wherein the low-sulphur blended feed contains less than 8 ppm sulphur. 
     
     
         5 . The process of  claim 1 , wherein the very low sulphur and very low aromatic hydrocarbon fluids have a boiling point in the range 150 to 400° C. 
     
     
         6 . The process of  claim 1 , wherein the very low sulphur and very low aromatic hydrocarbon fluids have a boiling range below 80° C. 
     
     
         7 . The process of  claim 1 , wherein the very low sulphur and very low aromatic hydrocarbon fluids contain less than 100 ppm aromatics. 
     
     
         8 . The process of  claim 1 , wherein the very low sulphur and very low aromatic hydrocarbon fluids have a sulphur content of less than 3 ppm. 
     
     
         9 . The process of  claim 1 , comprising three hydrogenation stages in three separate reactors. 
     
     
         10 . The process of  claim 1 , further comprising prefractionation of the low-sulphur blended feed prior to hydrogenation, into fractions having a boiling point in the range of 150 to 250° C. or in the range of 220 to 330° C. 
     
     
         11 . The process of  claim 1 , further comprising fractionation of the very low sulphur and very low aromatic hydrocarbon fluids into fluids of defined boiling ranges. 
     
     
         12 . The process of  claim 1 , wherein the very low sulphur and very low aromatic hydrocarbon fluids thus produced have:
 a naphthenic content below 60% wt, and/or   a polynaphthenic content below 30% wt, and/or   a paraffinic content above 40% wt, and/or   an isoparaffinic content above 20% wt.   
     
     
         13 . Hydrocarbon fluids comprising a low sulphur blended feed containing less than 15 ppm of sulphur into very low sulphur and very low aromatic hydrocarbon fluids containing less than 5 ppm of sulphur and less than 300 ppm of aromatics and having a boiling point in a range of from 100 to 400° C. and a boiling range of not more than 80° C., the low-sulphur blended feed comprising a mixture of:
 i) a hydrocarbon cut originating from a gas-to-liquid process with 
 ii) at least one selected from a group comprising a hydrodeoxygenated hydrocarbon cut obtained from biomass, a gas condensate, a hydrocarbon cut of fossil origin and mixtures thereof. 
 
     
     
         14 . A process for hydrogenating a low sulphur blended feed containing less than 15 ppm of sulphur into very low sulphur and very low aromatic hydrocarbon fluids containing less than 5 ppm of sulphur and less than 300 ppm of aromatics and having a boiling point in a range of from 100 to 400° C. and a boiling range of not more than 80° C., the low-sulphur blended feed comprising a mixture of:
 i) a hydrocarbon cut originating from a gas-to-liquid process with 
 ii) at least one selected from a group comprising a hydrodeoxygenated hydrocarbon cut obtained from biomass, a gas condensate, a hydrocarbon cut of fossil origin and mixtures thereof; 
 the process further comprising catalytically hydrogenating the feed at a temperature from 80 to 180° C. and at a pressure from 50 to 160 bars; 
 the hydrocarbon fluids being at least one of: drilling fluids, industrial solvents, coating fluids, metal extraction fluids, mining fluids, explosives, concrete demoulding formulations, adhesives, printing inks, metal working fluids, cutting fluids, rolling oils, electric discharge machining (EDM) fluids, rust preventive in industrial lubricants, extender oils, sealants or polymers formulation with silicone, viscosity depressants in plasticised polyvinyl chloride formulations, resins, crop protection fluids, pharmaceutical products, paint compositions, polymers used in water treatment, paper manufacturing or printing pastes or cleaning solvents.