RU2020124715A - SYNTHESIS GAS PURIFICATION METHOD - Google Patents

SYNTHESIS GAS PURIFICATION METHOD Download PDF

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Publication number
RU2020124715A
RU2020124715A RU2020124715A RU2020124715A RU2020124715A RU 2020124715 A RU2020124715 A RU 2020124715A RU 2020124715 A RU2020124715 A RU 2020124715A RU 2020124715 A RU2020124715 A RU 2020124715A RU 2020124715 A RU2020124715 A RU 2020124715A
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RU
Russia
Prior art keywords
synthesis gas
wastewater
soot
hcn
stream
Prior art date
Application number
RU2020124715A
Other languages
Russian (ru)
Inventor
Рохит Рамеш РЕВАГАД
Елле Сипке БАУМА
Томас Пауль ФОН КОССАК-ГЛОВЧЕВСКИЙ
Францискус Герардус ВАН ДОНГЕН
Original Assignee
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Шелл Интернэшнл Рисерч Маатсхаппий Б.В. filed Critical Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
Publication of RU2020124715A publication Critical patent/RU2020124715A/en

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1406—Multiple stage absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/002—Removal of contaminants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/002—Removal of contaminants
    • C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
    • C10K1/006—Hydrogen cyanide
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/02—Dust removal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
    • C10K1/06—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials combined with spraying with water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/101—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids with water only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/20—Purifying combustible gases containing carbon monoxide by treating with solids; Regenerating spent purifying masses
    • C10K1/26—Regeneration of the purifying material contains also apparatus for the regeneration of the purifying material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B01D2252/103—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/406—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/408—Cyanides, e.g. hydrogen cyanide (HCH)
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0415—Purification by absorption in liquids

Claims (12)

1. Способ очистки сырого синтез-газа, включающий следующие стадии: 1. The method of purification of raw synthesis gas, including the following stages: (a) приведение в контакт сырого синтез-газа с водой для удаления сажи, в результате чего образуются сточные воды с высоким содержанием сажи и синтез-газ с низким содержанием сажи;(a) contacting raw synthesis gas with water to remove soot, resulting in waste water with a high soot content and synthesis gas with a low soot content; (b) охлаждение синтез-газа с низким содержанием сажи, полученного на стадии (а), до температуры в диапазоне от 20°С до 50°С; и(b) cooling the low soot synthesis gas obtained in step (a) to a temperature in the range of 20°C to 50°C; and (c) приведение в контакт охлажденного синтез-газа с низким содержанием сажи, полученного на стадии (b), с водой для удаления HCN и NH3, в результате чего получают чистый синтез-газ и сточные воды, с высоким содержанием HCN/NH3,(c) contacting the cooled low soot synthesis gas from step (b) with water to remove HCN and NH3, resulting in clean synthesis gas and wastewater rich in HCN/NH3, при этом:wherein: (i) на стадии (а) сырой синтез-газ охлаждают ниже точки росы путем приведения его в контакт с водой;(i) in step (a) the raw synthesis gas is cooled below the dew point by bringing it into contact with water; (ii) полученные на стадии (с) сточные воды с высоким содержанием HCN/NH3 пропускают через по меньшей мере одну десорбционную колонну, в результате чего получают поток чистой воды и поток сточных вод; и(ii) the high HCN/NH3 wastewater obtained in step (c) is passed through at least one desorption column, resulting in a clean water stream and a wastewater stream; and (iii) по меньшей мере 50% (об./об.) часть потока чистой воды возвращают на стадию (с).(iii) at least 50% (v/v) of the pure water stream is returned to step (c). 2. Способ по п. 1, отличающийся тем, что первую часть сточных вод с высоким содержанием сажи, полученных на стадии (а), охлаждают и повторно применяют на стадии (а).2. Method according to claim 1, characterized in that the first part of the soot-rich wastewater obtained in step (a) is cooled and reused in step (a). 3. Способ по п. 2, отличающийся тем, что вторую часть сточных вод с высоким содержанием сажи очищают перед дальнейшей обработкой.3. Method according to claim 2, characterized in that the second part of the wastewater with a high soot content is cleaned before further treatment. 4. Способ по любому из пп. 1-3, отличающийся тем, что не более чем 90% (об./об.) потока чистой воды, полученной из потока сточных вод с высоким содержанием HCN/NH3, возвращают на стадию (с).4. The method according to any one of paragraphs. 1-3, characterized in that no more than 90% (vol./vol.) of the pure water stream obtained from the wastewater stream with a high content of HCN/NH3 is returned to stage (c). 5. Способ по любому из пп. 1-4, отличающийся тем, что не более чем 10% (об./об.) потока чистой воды, полученной из потока сточных вод с высоким содержанием HCN/NH3, возвращают на стадию (а).5. The method according to any one of paragraphs. 1-4, characterized in that no more than 10% (vol./vol.) of the clean water stream obtained from the wastewater stream with a high content of HCN/NH3 is returned to stage (a).
RU2020124715A 2017-12-27 2018-12-19 SYNTHESIS GAS PURIFICATION METHOD RU2020124715A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17210706.2 2017-12-27
EP17210706 2017-12-27
PCT/EP2018/085870 WO2019129578A1 (en) 2017-12-27 2018-12-19 Process for purifying syngas

Publications (1)

Publication Number Publication Date
RU2020124715A true RU2020124715A (en) 2022-01-27

Family

ID=60997252

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2020124715A RU2020124715A (en) 2017-12-27 2018-12-19 SYNTHESIS GAS PURIFICATION METHOD

Country Status (4)

Country Link
US (1) US20200339897A1 (en)
EP (1) EP3732128A1 (en)
RU (1) RU2020124715A (en)
WO (1) WO2019129578A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189307A (en) 1978-06-26 1980-02-19 Texaco Development Corporation Production of clean HCN-free synthesis gas
US4969932A (en) * 1986-12-22 1990-11-13 Shell Oil Company Flyslag treatment utilizing a solids-containing concentrated aqueous stream and a cementitious material
US5112586A (en) * 1990-10-18 1992-05-12 Shell Oil Company Process for purification of synthesis gas
US5948378A (en) 1998-01-30 1999-09-07 Exxon Research And Engineering Co. Removal of ammonia and cyanide from synthesis gas with water production
US7934383B2 (en) * 2007-01-04 2011-05-03 Siemens Energy, Inc. Power generation system incorporating multiple Rankine cycles
AU2008265232B2 (en) 2007-06-18 2011-09-22 Shell Internationale Research Maatschappij B.V. Process for removal of hydrogen cyanide and ammonia from synthesis gas
ES2641640T3 (en) 2011-02-08 2017-11-10 Neste Oyj Two stage gas washing method
US8764883B2 (en) * 2011-10-06 2014-07-01 Kellogg Brown & Root Llc Apparatus and methods for saturating and purifying syngas

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Publication number Publication date
EP3732128A1 (en) 2020-11-04
WO2019129578A1 (en) 2019-07-04
US20200339897A1 (en) 2020-10-29

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