METHOD FOR PRODUCING LIQUID HYDROCARBONS OF HYDROCARBON GAS AND PLANT FOR IMPLEMENTING IT Russian patent published in 2015 - IPC C10G2/00 

FIELD: oil and gas industry.

SUBSTANCE: invention refers to oil and gas chemistry, in particular to a method of oil-associated and hydrocarbon gas processing. A method for producing liquid hydrocarbons of hydrocarbon gas is accompanied by water production; if necessary, it involves desulphurisation, flue gas heating of a heat-energised instrumentation assembly followed by synthetic gas production by high-temperature reforming by conversion with atmospheric oxygen, to prepare liquid hydrocarbons and water followed by water distillation from residual hydrocarbons. The method is characterised by the fact that before high-temperature reforming, the hydrocarbon gas and air are subject to low-temperature pre-reforming; a reaction gas mix flow supplied from a pre-reforming reactor is separated into two flows; one of the flows is introduced into a pre-reforming converted gas feed line into the reforming reactor; before injection, the second flow is supplied into the reforming reactor for carbon dioxide venting; the gas flows are then combined; liquid hydrocarbons are produced of the synthetic gas using a narrow-fraction catalyst system; the pre-reforming, reforming and liquid hydrocarbon synthesis reactors use the radial filtration of reaction flows; additionally, water is produced of flue gas and pre-reforming gas outflows; water process loss is compensated with water from a collector, wherein the water recovered from the flue gasses, pre-reforming gasses, synthetic liquid hydrocarbons, optionally reforming gasses, flows. What is also declared is a plant for implementing the method.

EFFECT: creating the method and a light plant producing liquid hydrocarbons to be used on remote, low-pressure deposits, for flared gas processing; the method and plant are characterised by a closed internal water supply system enabling avoiding water discharge into the environment that generally leads to economical efficiency of the method and plant.

4 cl, 2 dwg, 2 ex