TW315311B - - Google Patents

Download PDF

Info

Publication number
TW315311B
TW315311B TW85107268A TW85107268A TW315311B TW 315311 B TW315311 B TW 315311B TW 85107268 A TW85107268 A TW 85107268A TW 85107268 A TW85107268 A TW 85107268A TW 315311 B TW315311 B TW 315311B
Authority
TW
Taiwan
Prior art keywords
exhaust gas
carbon dioxide
nitrogen
procedure
item
Prior art date
Application number
TW85107268A
Other languages
English (en)
Original Assignee
Air Prod & Chem
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.)
Filing date
Publication date
Application filed by Air Prod & Chem filed Critical Air Prod & Chem
Application granted granted Critical
Publication of TW315311B publication Critical patent/TW315311B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0462—Temperature swing adsorption
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/0476—Vacuum pressure swing adsorption
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • 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
    • F25J3/04—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 for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04527—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general
    • F25J3/04539—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the H2/CO synthesis by partial oxidation or oxygen consuming reforming processes of fuels
    • 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
    • F25J3/04—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 for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04527—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general
    • F25J3/04539—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the H2/CO synthesis by partial oxidation or oxygen consuming reforming processes of fuels
    • F25J3/04545—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the H2/CO synthesis by partial oxidation or oxygen consuming reforming processes of fuels for the gasification of solid or heavy liquid fuels, e.g. integrated gasification combined cycle [IGCC]
    • 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
    • F25J3/04—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 for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04527—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general
    • F25J3/04551—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the metal production
    • F25J3/04557—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the metal production for pig iron or steel making, e.g. blast furnace, Corex
    • 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
    • F25J3/04—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 for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04563—Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating
    • 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
    • F25J3/04—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 for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04563—Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating
    • F25J3/04587—Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating for the NH3 synthesis, e.g. for adjusting the H2/N2 ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/104—Alumina
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40001—Methods relating to additional, e.g. intermediate, treatment of process gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40043—Purging
    • B01D2259/4005—Nature of purge gas
    • B01D2259/40056—Gases other than recycled product or process gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40077—Direction of flow
    • B01D2259/40081—Counter-current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/416—Further details for adsorption processes and devices involving cryogenic temperature treatment
    • 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
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/284—Increasing the gas reduction potential of recycled exhaust gases by separation of nitrogen
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • 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
    • F25J2205/60—Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
    • F25J2205/66—Regenerating the adsorption vessel, e.g. kind of reactivation gas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/928—Recovery of carbon dioxide

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Treating Waste Gases (AREA)

Description

A7 B7_ 五、發明説明（i ) 發明的技術領域 本發明爲有關於一種將製造氧和氮的空氣分離廠與製 造含有二氧化碳的排出氣體之程序加以整合的方法，以及 一種裝置以將該二氧化碳自該排出氣體移離使得該排出氣 體可能被使用於進一步的程序中。 先前技藝的描述 業界已經計畫將鐵或鋼製造程序的操作（例如一種 COREX製鐵單元）與將鐵礦直接還原成鐵粉的工廠（例如 M IDREX類型）加以整合。來自CORE X製鐵廠的排出氣 體含有大量氫和一氧化碳，但是也含有二氧化碳和水蒸 氣，後者需要被移除之後該排出氣體才能被用於 ‘ MIDREX廠。自此種排出氣體流移除二氧化碳的標準方 法爲一種傳統的物理或化學吸收法，例如Selexol或 MEA(甲基乙醇胺）。 鐵或鋼製造程序需要氧補給，而此項需求通常由一種 產生氧和氮的極冷空氣分離單元供應，其中氮氣實質上爲 廢物。 經濟部中央梯準局貝工消費合作杜印製 (請先閲讀背面之注意事項再填寫本I) f 存在有已知的程序能從氣體流藉著將二氧化碳吸附在 —種固體吸附劑之上而將二氧化碳移除，該吸附劑週期地 被再生。再生可能是藉由加熱，如使用溫度增減吸附 (TSA);或減壓，如使用變壓吸附（PSA)。壓力可能被 減少到不低於周圍壓力，如在傳統的變壓吸附；或低於大 氣壓力，如在眞空增減吸附（VSA)。在每個情況中，自 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 經濟部中央標準局貝工消费合作社印製 A7 B7_：_ 五、發明説明（2 ) 吸附劑將二氧化碳去吸附的沖洗通常是藉著使用再生或沖 洗氣體的流動。已知該再生氣體中所含之該欲自吸附劑移 除的氣體的含量應該儘可能的低（見例如美國專利 5090973)° 發明的簡要描述 依照本發明，其提供一種將空氣分離成氧和氮而且使 用所產生氮的方法，該方法包含操作一種極冷空氣分離單 元以產生氧和氮；操作一種程序，其產生含有二氧化碳及 混合至少一其他氣體的排出氣體；而且藉由使二氧化碳吸 附在吸附劑之上以及使來自該空氣分離單元的該氮氣流過 該吸附劑而再生該吸附劑的更迭操作以將二氧化碳從該排 出氣體移離。 本發明包括一種空氣分離的裝置，其將空氣分離成氧 和氮而且使用所產生的氮，該裝置包含： 極冷空氣分離單元，其含有一個欲被分離之空氣的入 口和該空氣所分離之氧和氮成分的出口； 進行一種程序的裝置，其有供該程序進料物質的入口 和供該程序所產生排出氣體的出口； ^ 一種含有可再生的吸附劑之二氧化碳移除單元，其含 有一個供該排出氣體當做進料氣體進料到該二氧化碳移除 單元的入口，一個供在該二氧化碳移除單元裡再生該吸附 劑的沖洗氣體之氮氣的入口，和一個作爲含有減少二氧化 碳濃度的該排出氣體的出口；及 本紙張尺度通用中國國家標準（CNS ) Α4規格（210Χ297公釐） (請先閱讀背面之注意事項再填寫本頁)
,1T 經濟部中央揉準局貝工消費合作社印裂 S15S11 y 7 A7 _ * B7 五、發明説明（3 ) (1997年2月修正) 將氮氣從該空氣分離單元的氮氣出口供應到該二氧化
S 碳移除單元的氮氣入口的手段。 較佳爲，來自該空氣分離單元的氧被用在產生該排出 氣體的該程序，且該裝置因此包含從該空氣分離單元的氧 氣出口供應氧氣至進行一種程序的該裝置作爲進料氣體的 手段。 該程序可能是鐵或鋼製造程序而且該排出氣體將會含 有氫和一氧化碳以及該二氧化碳。 較佳爲，該二氧化碳已經被移除的排出氣體被用於一 種進一步程序，例如將鐵礦以直接還原製鐵或被再循環到 前述第一個程序以供使用。因此，該裝置較佳爲包括以供 進行一第二程序的裝置，其有一個入口供含有降低濃度二 氧化碳的排出氣體當做進料氣體。 該進行第二程序的裝置可能是將氧化鐵直接還原以製 造鐵的裝置。 本發明用途的另一個實施例將會是與一部分氧化烴以 製造氫的程序結合。烴被使用氧氧化成氫、一氧化碳和一 些二氧化碳，該氧可能由一座空氣分離廠供應而產生一股 ”廢"氮氣流。一氧化碳與水蒸氣在一個轉化器裡反應以產 生氫和二氧化碳。然後二氧化碳可如上所描述地使用氮來 再生吸附劑而與氫分離。氫可裤被用在許多程序中，其包 括氮的還原成氨或石油精煉。供氨反應的氮氣當^也可能 來自空氣分離廠。在這個例子中’到C〇2移除廠的進料壓 力可能是高很多例如最多可達8.0巴（batS> » -5 - 本紙張尺度適用中國國家標準（cys ) A4規格（2!0><297公釐） (請先閲讀背面之注意事項再填寫本頁)
、tT A ... 路 A7 ___B7__ 五、潑:明说明（4 ) (1997年2月修正) 因此，該進行第二程序的裝置可能是藉著氮的氫化作 用製造氨的裝置或石油精煉裝置。. 第三個實施例是氧煤（氧和煤的一種混合物）的使用以 當做鼓風爐裡的焦碳代用品》該鼓風爐產生的爐頂氣體將 會含有相當的燃料價値和C02。藉由遵照本發明除去二氧 化碳，吾人可將該爐頂氣體再循環以當做該鼓風爐的燃 料。此程序用的氧和再生C02吸收劑用的氮能由一座空氣 分離廠供應。 各種不同單元之間氣體的供應不需要是直接的連接， 也可能包括將氣體保存於中間的儲存體內。 圖示的簡要描述 圖1是根據本發明的裝置之一個槪要的工廠設備佈置 圖，其中10爲極冷空氣分離單元（ASU)，14爲COREX 製.鐵廠，20爲PSA廠，28爲直接還原製鐵廠，30及32爲. 容器。 發明的詳細描述 經濟部中央揉準局貝工消费合作社印裂 (請先閲讀背面之注意事項再填寫本頁) 如上所述，儘管本發明具有非常一般的適用性·，其可 能被應用在鐵或鋼製造廠與Μ IDREX類型鐵礦直接還原 程序的整合》因此本發明將會以該內容而被詳細地描述。 在此一系統中，本發明包括使用來自極冷空氣分離廠 的廢氮以再生空氣吸附程序裡的吸附劑，於其中大量的二 氧化碳被從氣體流中分離而且移除。該吸附程序能是TS A 類型但是將會較佳爲操作在變壓吸附系統（PSA)，其中再 生發生於眞空（VSA)或髙於或在大氣壓的壓力。最有利 -6 ~ 本紙張尺度適用中國國家標準（CNS ) A4規格（'210X297公釐） 經濟部中央標準局貝工消費合作社印製 315311 A7 __B7_ 五、發明説明（5 ) 的程序是一種再生在儘可能接近大氣壓進行的PSA。二氧 化碳的吸附將會在比再生氣體的壓力高的壓力發生。 該吸附系統能使用二或更多的循環操作吸附劑床，其 包括下列步驟： 吸附； 在壓力下以氮沖洗以置換進料氣體； 減壓； 低壓氮氣沖洗； 低壓產品氣沖洗以置換氮氣；和 以進料氣體及/或產品氣體加壓。 該些低壓步驟能在接近大氣壓或在眞空之下進行。循 環步驟的選擇決定於PSA程序整體效率（回收成本、動力 和資金成本）、成分和進料氣體的程序條件的需求，和 PSA流出的氣體對下游程序的限制而定。作爲此一方法的 一個實施例，本發明將會探討將一種極冷空氣分離單元 (ASU)與一種鐵和鋼的製造程序整合。 來自鐵和鋼製造程序的排出氣體含有大量的CO、Η 2 和C02。由於下游的程序利用該排出氣體的時候高分壓的 C02將會有不利的效應，所以有需要將C02從此一氣體 流移離。舉例來說，來自COREX製鐵程序的排出氣體能 被用在MIDREX類型還原廠將鐵礦直接地還原成鐵粉的 製造程序中。爲了讓排出氣體在作爲還原氣體將氧化鐵還 原成粉狀金屬鐵的時候具有最大效用，C02分壓應該是儘 可能的低。水也將會被移除。此現象主要地將會發生於在 本紙張尺度適用中國國家揉準（CNS ) A4規格（210X297公釐） (請先閲讀背面之注意事項再填寫本頁) -、17
A — I ....._ A7 B7 五、發明説明（） 6
周圍溫度附近進行C02吸附之前當排出氣體被冷卻的時 候。表1顯示典型的COREX排出氣體的成分和其於C02 移除之後的理想成分。該成分能因原料的品質和特定的操 作程序而改變。在一鋼廠，此一氣體流通常是由CORE X 廠的氣化爐或更傳統的鼓風爐系統產生。注意到水蒸氣含 量是零’因爲水被該吸附程序完全地移除。 表1 成分 在C〇2移除之前 在〇02移除之後 C0莫耳％ 4 3.0 5 8.2 H2莫耳％ 18.7 2 5.6 C〇2莫耳％ 2 6.5 . 2或更低 Α·Ν/Ν2 莫耳％ 8.6 11.7 ch4莫耳％ 1.75 2 5 H20莫耳％ 1.45 0 分離正常地操作於下列的程序邊界條件之下： (請先閱讀背面之注意事項再填寫本頁) A ! 經濟部中央榡準局貝工消費合作社印製 表2 單位 範圍 操作歷力 巴 」 3到2 2 進料溫度 ec 1 0 到 5 0 再生氣體壓力 巴 〇 · 1 到 3 本紙伕尺度適用中國國家榡準（CNS ) A4規格（210X297公釐） A7 B7 經濟部中央榡準局貝工消費合作社印製 五、發明説明（ 標準的吸附劑被用來進行該分離，例如活性碳、沸石 或活性氧化鋁。提供好的二氧化碳工作容量以於該些計畫 的循環裡吸附的其他新穎吸附劑包括化學地處理過的氧化 鋁（其有提高的C02容量）和混合的矽石/氧化鋁吸附劑^ 一種較佳經處理的氧化鋁之製造爲將一種碳酸鉀溶液吸附 到氧化鋁之上然後在溫度最多可達125 °C乾燥以獲得5重 暈％的K2C03塗覆量。這些吸附劑是較適合的因爲從 ASU可以得到大量的氮以再生它們。對於需要〇2的許多 類型程序，空氣分離廠是該系統整體的一部份而廢N2是 COREX實施例的副產品，氧是需要的產品以供注入熔鐵 容器。 參考所附的圖示本發明將會以一較佳的具體實施例的 描述而被進一步說明，其中： 圖1舉例說明上述的觀念以將C〇2自COREX製鐵程 序的排出氣體中移除。 如圖1所示，空氣在極冷空氣分離單元（ASU)IO裡被 分離成氧和氮而氧被導入管線12到COREX製鐵廠14， 從該處排出氣體經由管線16被導入壓縮機18。被壓縮機 18壓縮的排出氣體經由入口 24被導入一座以PSA操作之 C„.〇 2移除廠2 0。供再生用，PS A廠20有一個入口 22以供 來自ASU的氮。經純化的C02耗盡排出氣體從PSA廠的 出口 26被進料到一座直接還原製鐵廠28。 本紙張尺度適用中國國家標準（CNS ) A4C格（21 〇 X 297公釐） (讀先閲讀背面之注意事項再填寫本頁) 訂 A ! A7 B7_. 五、發明説明（8 ) 在另一具體實施例中，該COREX廠14可能被一個廠 取代以將烴氧化成氫和C02而且該製鐵廠28可能被一個 廠取代以製造氨。 PSA廠20可能是傅統..的設計而有著平行配置的第一 和第二容器3 0、3 2，其控制閥配置使得流程能循環進 行：線上流動、減壓、沖洗、氮氣流以供再生、產品沖 洗、再加壓和回返到線上操作以使得兩個容器其中之一總 是維持於線上操作中。 該進料氣體之壓力被維持在來自COREX廠14時爲大 約2巴或來自氣體儲槽時爲接近大氣壓。該氣體被過濾以 除去灰塵和在壓縮機18裡被壓縮到4巴壓力。它典型地被 冷卻到30°C，冷凝水被分離，而且該氣體被導經含有一 個雙床吸附系統的一張床之容器30»舉例來該，該吸附 劑是活性氧化鋁、矽石氧化鋁（例如Alcoa H156或 K2C03改質的氧化鋁）。該吸附劑也可能是活性氧化鋁和 經濟部中央標準局員工消费合作社印輦 (請先閱讀背面之注意事項再填寫本頁) 锋！ 分子篩的混合床，例如活性氧化鋁的第一層主要地用以除 去水和第二層1 3 X分子篩。該吸附劑除去水和二氧化碳。 在COREX成分表（表1)未列出的其他成分（微量）也可能 存在。其中一個例子是硫化氫。使用氧化鋁吸附劑，硫化 氫將會與C02吸附而且在再生/沖洗期間在尾氣中離開。 在這個情形下，該尾氣可能被以標準的方法進一步處理以 除去而且丟棄硫化氫。另外，進料氣體可能被以標準的方 法預純化以在吸附程序之前除去硫化氫和其他的污染物。 _；__-10- 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） A7 B7 五、發明説明（9 ) 進料流被繼續導入PSA容器30直到出口 C0 2濃度到 達舉例來說2%。下游處理操作將會設定流出物流裡可允 許的C Ο 2濃度。規格能從p p m水平變化到5 - 1 0 %。可選 擇地，該床能被以4巴氮氣同流沖洗以置換容器自由空間 中的進料氣體。然後容器30被逆流地減壓而且以來自 ASU 10乾燥無C02接近大氣壓的氮氣逆流地沖洗，該 ASU 10產生氧氣以供COREX程序。該氮氣從吸附劑去 吸附C 0 2和水。逆流或同流產品沖洗能被用來置換容器自 由空間中的氮。視產品氣體中的氮氣純度規格，此項可能 是或可能不是必需的。如果這個步驟是必需的，獲自系統 的CO和H2量將會減少。再生和沖洗完成之後，容器被以 進料或產品加壓。然後進料流被導經過床，而且循環重新 開始。典型的吸附週期是5到〗5分鐘而總循環時間是1 〇到 3〇分鐘（就雙床系統而言）。一個有標準循環時間的雙床 循環序列被顯示在表3。 表3 吸附3 60秒 Dp 40秒 氮沖洗 160秒 產品沖洗 40秒 產品Rp 120秒 Dp 40秒 氮沖洗 160秒 產品沖洗 40秒 產品Rp 120秒 吸附360秒 經濟部中央標準局貝工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 使用來自ASU的現有廢氮使得PSA有著較大的循環 設計彈性。來自ASU的氮是廢氣但是在再生吸附劑方面 本紙張尺度適用中國國家搮準（CNS ) A4規格（210 X 297公釐） 315311 ----— - 五、發明説明（1 0 ) (1997年2月修正) 有重要的價値。典型地，PS A操作被認爲是一種自足的單 元，因此該PSA的產量有其理論上的限度》導入外部來源 的氣體擴展其適用性的限度。使用這種"免费"再生氣體的 來源，該PS A系統能僅用溫'和的壓力增減操作而獲得髙回 收率因而將動力成本減到最少。除此之外，既然原料不需 _要被壓縮到高壓力而且通常不需要大的眞空行列，所以資 金的成本被減到最少。 雖然本發明已經藉由圖示所描述參考較佳的具體實施 例而獲得描述，然而可瞭解的是在本發明的範圍裡可能有 許多修正和變化。 I---------—^------r-ir.—-----A— (#先閲讀背面之注意事項再填寫本頁) 經濟部中央梯準局負工消费合作社印装 -1 2 - 本纸張尺度適用中固國家標準（CNS ) Μ規格（2r〇><297公釐）_

Claims (1)

  1. 經濟部中央梯準局男工消費合作社印製 A8 B8 C8 D8 六、申請專利範圍 1. 一種將空氣分離成氧和氮而且使用所產生氮的方 法，該方法包含操作一種極冷空氣分離單元以產生氧和 氮；操作一種程序，其產生含有二氧化碳及混合至少一其 他氣體的排出氣體；而且藉由使二氧化碳吸附在吸附劑之 上以及使來自該空氣分離單元的該氮氣流過該吸附劑而再 生該吸附劑的更迭操作以將二氧化碳從該排出氣體移離。 2. 如申請專利範圍第1項的方法，其中來自空氣分離 單元的g被用在該程序而產生該排出氣體。 3 .如申請專利範圍第2項的方法，其中該程序是鐵或 鋼製造程序而且該排出氣體含有氫和一氧化碳以及該二氧 化碳。 4. 如申請專利範圍第2項的方法，其中該程序是使用 該氧將烴部分氧化以製造氫的程序，·且產生一種含有該氫 和二氧化碳的排出氣體。 5. 如申請專利範圍第1項的方法，其進一步包含使用 該二氧化碳已經被移除的排出氣體於一進一步的程序或被 再循環到該相同的程序。 6. 如申請專利範圍第5項的方法，其中該進一步的程 序是藉著直接鐵礦而製造鐵。 -1 3 - 本紙張Μ逋用中國國家梯準（CNS ) A4規格（210X297公釐） (請先閲讀背面之注意事項再填寫本頁) 、1Τ A I 經濟部中央揉準局只工消費合作社印«. A8 Β8 C8 _ D8六、申請專利範圍 7. 如申請專利範圍第5項所申請的方法，其中該進一 步的程序是藉著使用該排出氣體中的氫將氮還原以製造色。 8. 如申請專利範圍第5項的方法，其中該進一步的程 序是藉著與該排出氣體中的氫反應而精煉油。 9 .如申請專利範圍第5項的方法，其中產生該排出氣 體的該程序是以氧煤爲部份燃料的鼓風爐操作，而且該排 出氣體在二氧化碳移除之後被當做燃料再循環到該鼓風 爐。 10. 如申請專利範圍第1項所申請的方法，其中該吸 附劑在氮於0.1到3巴壓力流動下而被再生。 11. 一種裝置，其將空氣分離成氧和氮而且使用所產 生的氮，該裝置包含： 一種極冷空氣分離單元，其含有一個作爲該欲被分離 的空氣的入口和一個作爲該空氣所分離得到之氧和氮成分 的出口； 進行一種程序的裝置，其有一個作爲該程序進料物質 的入口和一個作爲該程序所產生排出氣體的出口； __ (請先閲讀背面之注$項再填寫本頁) 訂 A I 本紙張尺度速用中困國家捸準（CNS ) A4規格（210X297公釐） 315311 經濟部中央標準局員工消費合作社印«. A8 B8 C8 D8々、申請專利範圍 一種含有可再生的吸附劑之二氧化碳移除單元，其含 有一個供該排出氣體當做進料氣體進料到該二氧化碳移除 單元的入口，一個供在該二氧化碳移除單元裡再生該吸附 劑的沖洗氣體之氮氣的入口，和一個供含有減少二氧化碳 濃度的該排出氣體使用的出口；和 將氮氣從該空氣分離單元的氮氣出口供應到該二氧化 碳移除單元的氮氣入口的手段。 12. 如申請專利範圔第11項的裝置，其進一步包含用 於進行一第二程序的一裝置，其有一個供該含有減少二氧 化碳濃度的排出氣體當做進料氣體的入口。 13. 如申請專利範圍第11項的裝置，其包含將氧當做 進料氣體自該空氣分離單元的該氧出口供應到進行一種程 序的該裝置之手段。 14. 如申請專利範圍第11項的裝置，其中進行一種程 序的該裝置是用於或鋼，而且該排出氣體含有氫和 一氧化碳以及被二氧化碳污染。 15. 如申請專利範圍第11項的裝置，其中進行一種程 序的該裝置是藉著部分氧化烴以製造氫的裝置。 4 L·! (請先閲讀背面之注意事項再填寫本頁) A ! -15- 本紙張尺度逍用中國國家標準（CNS ) A4規格（2丨0X297公釐） 315311 Bg ▲ C8 ._D8^ 六、申請專利範圍 16.如申請專利範圍第11項所申請的裝置，其中進行 一種程序的該裝置是以氧煤爲燃料的鼓風爐，而且其含有 一個作爲該含有減少二氧化碳濃度的排出氣體被當做該鼓 風爐之燃料物質的入口。 k__ (請先閲讀背面之注意事項再填寫本頁) 、1T A 經濟部中央標準局負工消費合作社印装 16 本紙張尺度適用中國國家橾準（CNS〉A4規格（210X297公釐）
TW85107268A 1995-10-04 1996-06-17 TW315311B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/538,878 US5582029A (en) 1995-10-04 1995-10-04 Use of nitrogen from an air separation plant in carbon dioxide removal from a feed gas to a further process

Publications (1)

Publication Number Publication Date
TW315311B true TW315311B (zh) 1997-09-11

Family

ID=24148804

Family Applications (1)

Application Number Title Priority Date Filing Date
TW85107268A TW315311B (zh) 1995-10-04 1996-06-17

Country Status (7)

Country Link
US (1) US5582029A (zh)
EP (1) EP0767349B1 (zh)
KR (1) KR100192690B1 (zh)
CA (1) CA2186679C (zh)
DE (1) DE69629990T2 (zh)
SG (1) SG69989A1 (zh)
TW (1) TW315311B (zh)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666800A (en) * 1994-06-14 1997-09-16 Air Products And Chemicals, Inc. Gasification combined cycle power generation process with heat-integrated chemical production
FR2744374B1 (fr) * 1996-02-01 1998-03-06 Air Liquide Procede et installation siderurgiques
US5779767A (en) † 1997-03-07 1998-07-14 Air Products And Chemicals, Inc. Use of zeolites and alumina in adsorption processes
US5964085A (en) * 1998-06-08 1999-10-12 Siemens Westinghouse Power Corporation System and method for generating a gaseous fuel from a solid fuel for use in a gas turbine based power plant
US6148602A (en) * 1998-08-12 2000-11-21 Norther Research & Engineering Corporation Solid-fueled power generation system with carbon dioxide sequestration and method therefor
US6045602A (en) * 1998-10-28 2000-04-04 Praxair Technology, Inc. Method for integrating a blast furnace and a direct reduction reactor using cryogenic rectification
US6190632B1 (en) * 1999-02-25 2001-02-20 Praxair Technology, Inc. Method and apparatus for the production of ammonia utilizing cryogenic rectification
FR2798304B1 (fr) 1999-09-13 2001-11-09 Air Liquide Utilisation d'une alumine activee pour eliminer le co2 d'un gaz
US6327872B1 (en) * 2000-01-05 2001-12-11 The Boc Group, Inc. Method and apparatus for producing a pressurized high purity liquid carbon dioxide stream
US6960242B2 (en) * 2002-10-02 2005-11-01 The Boc Group, Inc. CO2 recovery process for supercritical extraction
US6889508B2 (en) * 2002-10-02 2005-05-10 The Boc Group, Inc. High pressure CO2 purification and supply system
FR2884305A1 (fr) 2005-04-08 2006-10-13 Air Liquide Procede de recuperation et liquefaction du co2 contenu dans un gaz pauvre en co2
CN1916187A (zh) * 2006-09-12 2007-02-21 沈阳东方钢铁有限公司 纯氧煤气高炉炼铁工艺和设备
FR2906160B1 (fr) 2006-09-25 2009-06-05 Air Liquide Procede psa a lit d'adsorption composite forme d'un adsorbant et d'agglomerats de mcp
DE102006048601A1 (de) * 2006-10-13 2008-04-17 Voest-Alpine Industrieanlagenbau Gmbh & Co Verfahren und Vorrichtung zur Herstellung von geschmolzenem Material
DE102006048600B4 (de) * 2006-10-13 2012-03-29 Siemens Vai Metals Technologies Gmbh Verfahren und Vorrichtung zur Herstellung von geschmolzenem Material
US20080098769A1 (en) * 2006-10-31 2008-05-01 Min-Ching Huang Method for retarding greenhouse afect
US8133298B2 (en) * 2007-12-06 2012-03-13 Air Products And Chemicals, Inc. Blast furnace iron production with integrated power generation
US20100146982A1 (en) * 2007-12-06 2010-06-17 Air Products And Chemicals, Inc. Blast furnace iron production with integrated power generation
US8057734B2 (en) * 2009-02-24 2011-11-15 Praxair Technology, Inc. Producing metal and carbon dioxide with hydrogen recycle
US8771638B2 (en) 2009-04-20 2014-07-08 Midrex Technologies, Inc. Method and apparatus for sequestering carbon dioxide from a spent gas
US8377417B2 (en) * 2009-04-20 2013-02-19 Midrex Technologies, Inc. Method and apparatus for sequestering carbon dioxide from a spent gas
JP5075900B2 (ja) * 2009-09-30 2012-11-21 株式会社日立製作所 水素含有燃料対応燃焼器および、その低ＮＯｘ運転方法
EP2476477B1 (en) * 2011-01-13 2021-03-17 General Electric Technology GmbH A method for drying a wet co2 rich gas stream from an oxy-combustion process
CN103442785A (zh) 2011-04-08 2013-12-11 乔治洛德方法研究和开发液化空气有限公司 吸附剂与具有适应密度的相变材料的混合物
US8647409B2 (en) * 2012-05-24 2014-02-11 Praxair Technology, Inc. Air compression system and method
EP2706298B1 (en) * 2012-09-05 2017-12-20 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for providing fuel and air and/or an oxygen rich gas to at least two oxygen rich gas consuming units
US10065857B2 (en) 2013-03-12 2018-09-04 Midrex Technologies, Inc. Systems and methods for generating carbon dioxide for use as a reforming oxidant in making syngas or reformed gas
JP6791085B2 (ja) * 2017-09-28 2020-11-25 Ｊｆｅスチール株式会社 製鉄所副生ガスの分離設備及び分離方法
US20200355431A1 (en) 2019-05-06 2020-11-12 Messer Industries Usa, Inc. Impurity Control For A High Pressure CO2 Purification And Supply System
CN112516740A (zh) * 2020-11-06 2021-03-19 瑞必科净化设备（上海）有限公司 一种尾气脱氨工艺
US11167732B1 (en) * 2020-12-17 2021-11-09 Air Products And Chemicals, Inc. Hydrogen fueling station with integrated ammonia cracking unit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236059A (en) * 1962-08-29 1966-02-22 Air Prod & Chem Separation of gaseous mixtures
LU70847A1 (zh) * 1973-09-25 1975-01-02
DE2835852C2 (de) * 1978-08-16 1982-11-25 Kraftwerk Union AG, 4330 Mülheim Kombinierte Gas-Dampfkraftanlage mit einer Vergasungseinrichtung für den Brennstoff
JPS576282A (en) * 1980-06-14 1982-01-13 Kobe Steel Ltd Air separator
GB2080929B (en) * 1980-07-22 1984-02-08 Air Prod & Chem Producing gaseous oxygen
US4813980A (en) * 1987-10-16 1989-03-21 Air Products And Chemicals, Inc. Recovery of nitrogen, hydrogen and carbon dioxide from hydrocarbon reformate
US4806136A (en) * 1987-12-15 1989-02-21 Union Carbide Corporation Air separation method with integrated gas turbine
GB8904275D0 (en) * 1989-02-24 1989-04-12 Boc Group Plc Air separation
JPH02242080A (ja) * 1989-03-16 1990-09-26 Nippon Steel Corp 副生ガスの処理方法とその装置
US5090973A (en) * 1990-10-23 1992-02-25 The Boc Group, Inc. Psa employing high purity purging
DE4037977A1 (de) * 1990-11-29 1992-06-11 Voest Alpine Ind Anlagen Verfahren zur herstellung von roheisen bzw. eisenschwamm
FR2712383B1 (fr) * 1993-11-12 1995-12-22 Air Liquide Installation combinée d'une unité de production de métal et d'une unité de séparation de l'air.
AT405187B (de) * 1994-12-01 1999-06-25 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm sowie anlage zur durchführung des verfahrens

Also Published As

Publication number Publication date
EP0767349A2 (en) 1997-04-09
US5582029A (en) 1996-12-10
DE69629990D1 (de) 2003-10-23
KR100192690B1 (ko) 1999-06-15
DE69629990T2 (de) 2004-07-29
CA2186679A1 (en) 1997-04-05
EP0767349B1 (en) 2003-09-17
EP0767349A3 (en) 1998-01-14
KR970020167A (ko) 1997-05-28
CA2186679C (en) 2001-01-02
SG69989A1 (en) 2000-01-25

Similar Documents

Publication Publication Date Title
TW315311B (zh)
US5669960A (en) Hydrogen generation process
JP5038300B2 (ja) 水素及び一酸化炭素を同時に製造する方法
CA2745359C (en) A method and apparatus for producing power and hydrogen
US5980857A (en) Production of carbon monoxide from syngas
JP3279585B2 (ja) 精製された空気の製造法
KR940006239B1 (ko) 일산화탄소 생성을 위한 통합적 방법
EP2355918B1 (en) Multiple fixed-fluidized beds for contaminant removal
JP5479812B2 (ja) ガス流からの不純物減少のための方法及びシステム
EP2069230B1 (en) Process for removal of hydrogen sulphide, iron pentacarbonyl and nickel tetracarbonyl from a synthesis gas stream
JPH01131005A (ja) 炭化水素リホーメートからの窒素、水素および二酸化炭素の回収
CN106995389A (zh) 生产脲的方法
US9464246B2 (en) Method and system for purifying synthesis gas, in particular for ammonia synthesis
JP4316386B2 (ja) 水素リッチの供給ガスから水素を製造するための方法および装置
JPH06191801A (ja) 水素製造方法
JPH05321B2 (zh)
GB992161A (en) Improvements in hydrocarbon gasification processes
KR102350033B1 (ko) Finex 부생가스로부터 수소를 회수하는 방법 및 장치
WO2023042535A1 (ja) ガス分離方法
US20230331550A1 (en) Process and apparatus for producing low-nitrogen synthesis gas from nitrogen-containing natural gas
CN114574648B (zh) 气基竖炉还原气制备系统及方法
JPH07165B2 (ja) 炭化水素改質ガスの精製方法
JP2005177716A (ja) 水素ｐｓａ精製装置から排出されるオフガスの処理方法
JP6077169B1 (ja) 水素ガスの製造方法、およびバイオガス水素化設備
JP2004299995A (ja) 水素製造装置及び水素製造方法