Abstract: A method of producing normally solid, normally liquid and optionally normally gaseous hydrocarbons involves contacting a gas mixture comprising hydrogen and carbon monoxide with a catalyst under elevated temperature and pressure, to convert at least part of the hydrogen and carbon monoxide into hydrocarbons. An effluent is withdrawn from the reactor and subjected to a separation step to form at least a heavy fraction and a light fraction. The heavy fraction comprises normally solid hydrocarbons, while the light fraction comprises unconverted syngas and normally liquid and optionally normally gaseous hydrocarbons. The light fraction is sent to a light ends stripper operating at a temperature of maximally 200° C. to obtain a hydrocarbons fraction comprising normally liquid hydrocarbons. The heavy fraction is subjected to flash evaporation or steam stripping to obtain a hydrocarbon stream of normally solid hydrocarbons (comprising mainly C10+ hydrocarbons).

Abstract: A method of producing normally solid, normally liquid and optionally normally gaseous hydrocarbons involves contacting a gas mixture comprising hydrogen and carbon monoxide with a catalyst under elevated temperature and pressure, to convert at least part of the hydrogen and carbon monoxide into hydrocarbons. An effluent is withdrawn from the reactor and subjected to a separation step to form at least a heavy fraction and a light fraction. The heavy fraction comprises normally solid hydrocarbons, while the light fraction comprises unconverted syngas and normally liquid and optionally normally gaseous hydrocarbons. The light fraction is sent to a light ends stripper operating at a temperature of maximally 200° C. to obtain a hydrocarbons fraction comprising normally liquid hydrocarbons. The heavy fraction is subjected to flash evaporation or steam stripping to obtain a hydrocarbon stream of normally solid hydrocarbons (comprising mainly C10+ hydrocarbons).

Abstract: A process for production of middle distillate fraction from gas-to-liquid (GTL) conversion comprising providing a feed stream comprising natural gas and separating a condensate from the feed stream to produce a condensate stream and a feed stream; processing the feed stream via a Fischer-Tropsch (FT) reaction to generate a long chain hydrocarbon product stream; processing the product stream via a heavy paraffinic conversion in order to produce a FT product stream; treating the condensate stream with a desulfurization step to generate a condensate product stream; combining the FT product stream with the condensate product stream to provide a distillate feed stream; and performing a distillation step on the distillation feed stream, wherein the processing steps occur substantially concurrently with the treating step and wherein distillation provides for isolation of middle distillate products. Middle distillate fractions and fuel oils/fuel oil blends obtained according to the process are also provided.

Abstract: Provided is a process to prepare middle distillates products.

Abstract: A process to prepare middle distillates products is provided.

Abstract: A process for production of middle distillate fraction from gas-to-liquid (GTL) conversion comprising providing a feed stream comprising natural gas and separating a condensate from the feed stream to produce a condensate stream and a feed stream; processing the feed stream via a Fischer-Tropsch (FT) reaction to generate a long chain hydrocarbon product stream; processing the product stream via a heavy paraffinic conversion in order to produce a FT product stream; treating the condensate stream with a desulfurization step to generate a condensate product stream; combining the FT product stream with the condensate product stream to provide a distillate feed stream; and performing a distillation step on the distillation feed stream, wherein the processing steps occur substantially concurrently with the treating step and wherein distillation provides for isolation of middle distillate products. Middle distillate fractions and fuel oils/fuel oil blends obtained according to the process are also provided.

Abstract: A process for carrying out a high-speed stop in a Fischer-Tropsch process which comprises providing a feed comprising CO and H2 to a fixed bed reactor comprising a Fischer-Tropsch catalyst, the reactor being at reaction temperature and pressure, the gaseous hourly space velocity in the reactor being in the range from 500 to 10000 Nl/l/h, and withdrawing an effluent from the reactor, wherein the high-speed stop is effected by blocking provision of H2 to the reactor while providing CO to the reactor, and withdrawing gaseous reactor content from the reactor, and wherein during the high-speed stop CO is added in an amount of 5-80 Nl/l/h.