RU2007105106A - LIQUID NATURAL GAS CLEANING - Google Patents

LIQUID NATURAL GAS CLEANING Download PDF

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RU2007105106A
RU2007105106A RU2007105106/06A RU2007105106A RU2007105106A RU 2007105106 A RU2007105106 A RU 2007105106A RU 2007105106/06 A RU2007105106/06 A RU 2007105106/06A RU 2007105106 A RU2007105106 A RU 2007105106A RU 2007105106 A RU2007105106 A RU 2007105106A
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fuel gas
stream
recycle stream
partial condensation
stage
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RU2007105106/06A
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Russian (ru)
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RU2362954C2 (en
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Корнелис БЕЙС (NL)
Корнелис БЕЙС
НАГЕЛВОРТ Роберт КЛЕЙН (NL)
Нагелворт Роберт Клейн
Йохан Ян Баренд ПЕК (NL)
Йохан Ян Баренд ПЕК
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Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL)
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0257—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
    • F25J3/0209—Natural gas or substitute natural gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0233—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 1 carbon atom or more
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/40—Features relating to the provision of boil-up in the bottom of a column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/76—Refluxing the column with condensed overhead gas being cycled in a quasi-closed loop refrigeration cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/78—Refluxing the column with a liquid stream originating from an upstream or downstream fractionator column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/04—Recovery of liquid products
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/60—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being hydrocarbons or a mixture of hydrocarbons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
    • F25J2235/60—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being (a mixture of) hydrocarbons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/30—Dynamic liquid or hydraulic expansion with extraction of work, e.g. single phase or two-phase turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/90—Processes or apparatus involving steps for recycling of process streams the recycled stream being boil-off gas from storage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/02—Internal refrigeration with liquid vaporising loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/04—Internal refrigeration with work-producing gas expansion loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/42—Quasi-closed internal or closed external nitrogen refrigeration cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/40—Vertical layout or arrangement of cold equipments within in the cold box, e.g. columns, condensers, heat exchangers etc.
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/62—Details of storing a fluid in a tank

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Claims (26)

1. Способ очистки сжиженного природного газа, подводимого под давлением сжижения, содержащего компоненты с низкими точками кипения, для получения потока жидкого продукта с пониженным содержанием компонентов, имеющих низкие точки кипения, который включает1. The method of purification of liquefied natural gas supplied under pressure liquefaction containing components with low boiling points, to obtain a stream of liquid product with a low content of components having low boiling points, which includes (a) расширение сжиженного газа до давления разделения с получением расширенной двухфазной текучей среды;(a) expanding the liquefied gas to a separation pressure to obtain an expanded biphasic fluid; (b) ввод расширенной двухфазной текучей среды в колонну, содержащую единственную секцию контактирования газа и жидкости, при этом расширенную двухфазную текучую среду вводят ниже единственной секции контактирования газа и жидкости, размещенной в этой колонне;(b) introducing an expanded biphasic fluid into a column containing a single gas and liquid contacting section, wherein the expanded biphasic fluid is introduced below a single gas and liquid contacting section disposed in the column; (c) накопление в нижней части колонны жидкости из двухфазной текучей среды и отвод из нижней части колонны потока жидкости, имеющей пониженное содержание компонентов с низкими точками кипения с получением потока жидкого продукта;(c) accumulating in the lower part of the liquid column from the two-phase fluid and withdrawing from the lower part of the column a liquid stream having a reduced content of components with low boiling points to obtain a liquid product stream; (d) обеспечение протекания пара двухфазной текучей среды через единственную секцию контактирования;(d) allowing vapor flow of the two-phase fluid through a single contacting section; (e) отвод из верхней части колонны потока газообразной фазы, который обогащен компонентами, имеющими низкие точки кипения;(e) withdrawing from the top of the column a gaseous phase stream that is enriched in components having low boiling points; (f) нагревание газового потока, полученного на стадии (е), в теплообменнике для получения нагретого газообразного потока;(f) heating the gas stream obtained in step (e) in a heat exchanger to obtain a heated gaseous stream; (g) сжатие нагретого газообразного потока, полученного на стадии (f), до давления топливного газа с получением топливного газа;(g) compressing the heated gaseous stream obtained in step (f) to the pressure of the fuel gas to produce fuel gas; (h) отделение рециркулирующего потока от топливного газа, полученного на стадии (g);(h) separating the recycle stream from the fuel gas obtained in step (g); (i) по меньшей мере, частичную конденсацию рециркулирующего потока, полученного на стадии (h), для получения потока флегмы; и(i) at least partially condensing the recycle stream obtained in step (h) to obtain a reflux stream; and (j) ввод потока флегмы, полученного на стадии (i), при давлении разделения на фазы, внутрь колонны выше единственной секции контактирования.(j) introducing the reflux stream obtained in step (i) at a phase separation pressure into the column above a single contacting section. 2. Способ по п.1, в котором стадия (с) включает накапливание в нижней части колонны жидкости из двухфазной текучей среды и удаление из нижней части колонны потока жидкости, имеющей пониженное содержание компонентов с низкими точками кипения; ввод потока жидкости, характеризующегося уменьшенным содержанием компонентов с низкими точками кипения в испарительную камеру при низком давлении; отвод второго газообразного потока из верхней части испарительной камеры; отвод из нижней части испарительной камеры потока жидкости с получением потока жидкого продукта.2. The method according to claim 1, in which stage (C) includes the accumulation in the lower part of the column of liquid from a two-phase fluid and removing from the bottom of the column a liquid stream having a reduced content of components with low boiling points; introducing a fluid stream characterized by a reduced content of components with low boiling points into the evaporation chamber at low pressure; the removal of the second gaseous stream from the upper part of the evaporation chamber; withdrawal of a liquid stream from the lower part of the evaporation chamber to obtain a liquid product stream. 3. Способ по п.2, кроме того, включающий нагревание второго газообразного потока в теплообменнике; сжатие второго газообразного потока до давления образования топливного газа; добавление второго газообразного потока к рециркулирующему потоку.3. The method according to claim 2, further comprising heating a second gaseous stream in a heat exchanger; compressing the second gaseous stream to a fuel gas generation pressure; adding a second gaseous stream to the recycle stream. 4. Способ по п.1, в котором, по меньшей мере, частичная конденсация рециркулирующего потока включает осуществление косвенного теплообмена рециркулирующего потока с газообразным потоком (потоками) в указанном теплообменнике.4. The method according to claim 1, in which at least partial condensation of the recycle stream includes the implementation of indirect heat exchange of the recycle stream with a gaseous stream (flows) in the specified heat exchanger. 5. Способ по п.2, в котором, по меньшей мере, частичная конденсация рециркулирующего потока включает осуществление косвенного теплообмена рециркулирующего потока с газообразным потоком (потоками) в указанном теплообменнике.5. The method according to claim 2, in which at least partial condensation of the recycle stream includes the implementation of indirect heat exchange of the recycle stream with a gaseous stream (flows) in the specified heat exchanger. 6. Способ по п.3, в котором, по меньшей мере, частичная конденсация рециркулирующего потока включает осуществление косвенного теплообмена рециркулирующего потока с газообразным потоком (потоками) в указанном теплообменнике.6. The method according to claim 3, in which at least partial condensation of the recycle stream includes the implementation of indirect heat exchange of the recycle stream with a gaseous stream (flows) in the specified heat exchanger. 7. Способ по п.1, в котором сжатие нагретого газообразного потока до давления образования топливного газа, производимое с целью получения топливного газа на стадии (g), дополнительно включает отвод теплоты сжатия.7. The method according to claim 1, wherein compressing the heated gaseous stream to a fuel gas generation pressure to produce fuel gas in step (g) further comprises removing heat of compression. 8. Способ по п.2, в котором сжатие нагретого газообразного потока до давления образования топливного газа, производимое с целью получения топливного газа на стадии (g), дополнительно включает отвод теплоты сжатия.8. The method according to claim 2, in which the compression of the heated gaseous stream to the pressure of the formation of fuel gas, produced in order to obtain fuel gas in stage (g), further includes the removal of heat of compression. 9. Способ по п.3, в котором сжатие нагретого газообразного потока до давления образования топливного газа, производимое с целью получения топливного газа на стадии (g), дополнительно включает отвод теплоты сжатия.9. The method according to claim 3, in which the compression of the heated gaseous stream to the pressure of formation of fuel gas, produced in order to obtain fuel gas in stage (g), further includes the removal of heat of compression. 10. Способ по п.4, в котором сжатие нагретого газообразного потока до давления образования топливного газа, производимое с целью получения топливного газа на стадии (g), дополнительно включает отвод теплоты сжатия.10. The method according to claim 4, in which the compression of the heated gaseous stream to the pressure of formation of fuel gas, produced in order to obtain fuel gas in stage (g), further includes the removal of heat of compression. 11. Способ по п.5, в котором сжатие нагретого газообразного потока до давления образования топливного газа, производимое с целью получения топливного газа на стадии (g), дополнительно включает отвод теплоты сжатия.11. The method according to claim 5, in which the compression of the heated gaseous stream to the pressure of the formation of fuel gas, produced in order to obtain fuel gas in stage (g), further includes the removal of heat of compression. 12. Способ по п.6, в котором сжатие нагретого газообразного потока до давления образования топливного газа, производимое с целью получения топливного газа на стадии (g), дополнительно включает отвод теплоты сжатия.12. The method according to claim 6, in which the compression of the heated gaseous stream to the pressure of formation of fuel gas, produced in order to obtain fuel gas in stage (g), further includes the removal of heat of compression. 13. Способ по п.1, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.13. The method according to claim 1, wherein the recycle stream separated from the fuel gas in step (h) is compressed to an elevated pressure before at least partial condensation thereof. 14. Способ по п.2, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.14. The method of claim 2, wherein the recycle stream separated from the fuel gas in step (h) is compressed to an elevated pressure before at least partial condensation thereof. 15. Способ по п.3, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.15. The method according to claim 3, in which the recycle stream, separated from the fuel gas in stage (h), is compressed to an elevated pressure before at least partial condensation. 16. Способ по п.4, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.16. The method according to claim 4, in which the recycle stream, separated from the fuel gas in stage (h), is compressed to an elevated pressure before at least partial condensation. 17. Способ по п.5, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.17. The method according to claim 5, in which the recycle stream, separated from the fuel gas in stage (h), is compressed to an elevated pressure before at least partial condensation. 18. Способ по п.6, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.18. The method according to claim 6, in which the recycle stream separated from the fuel gas in stage (h), is compressed to an increased pressure before at least partial condensation. 19. Способ по п.7, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.19. The method according to claim 7, in which the recycle stream separated from the fuel gas in stage (h), is compressed to an increased pressure before at least partial condensation. 20. Способ по п.8, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.20. The method of claim 8, wherein the recycle stream separated from the fuel gas in step (h) is compressed to an elevated pressure before at least partial condensation thereof. 21. Способ по п.9, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.21. The method according to claim 9, in which the recycle stream, separated from the fuel gas in stage (h), is compressed to an elevated pressure before at least partial condensation. 22. Способ по п.10, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.22. The method of claim 10, wherein the recycle stream separated from the fuel gas in step (h) is compressed to an elevated pressure before at least partial condensation thereof. 23. Способ по п.11, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.23. The method according to claim 11, in which the recycle stream, separated from the fuel gas in stage (h), is compressed to an elevated pressure before at least partial condensation. 24. Способ по п.12, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.24. The method of claim 12, wherein the recycle stream separated from the fuel gas in step (h) is compressed to an elevated pressure before at least partial condensation thereof. 25. Способ по п.13, в котором рециркулирующий поток, отделенный от топливного газа на стадии (h), сжимают до повышенного давления перед его, по меньшей мере, частичной конденсацией.25. The method according to item 13, in which the recycle stream, separated from the fuel gas in stage (h), is compressed to an elevated pressure before at least partial condensation. 26. Способ по одному или более из пп.1-25, в котором поступающий сжиженный природный газ содержит менее 7 мол.% компонентов с низкими точками кипения.26. The method according to one or more of claims 1 to 25, in which the incoming liquefied natural gas contains less than 7 mol.% Components with low boiling points.
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