The Recent Development of F-T Technology and its  Commercialization in China
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The Recent Development of F-T Technology and its Commercialization in China. 中国新一代间接液化技术和产业化发展. 孙 启 文. Qiwen Sun. Fischer- Tropsch. ketones/ aldehydes. Fischer-Tropsch process. LTFT Technology Development. Catalysts - Fe-based catalyst - Co-based catalyst Reactors

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中国新一代间接液化技术和产业化发展

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The Recent Development of F-T Technology and its Commercialization in China

中国新一代间接液化技术和产业化发展

孙 启 文

Qiwen Sun

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Fischer-

Tropsch

ketones/

aldehydes

Fischer-Tropsch

process

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LTFT Technology Development

  • Catalysts

  • -Fe-based catalyst

  • -Co-based catalyst

  • Reactors

    -Slurry bed reactor

  • well mixed, isothermal

  • high yield

  • catalyst loading/unloading on line

  • minimal differential pressure

  • flexibility, easy to control and low operating cost

  • simple structure

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tail gas outlet

anti-entrainment facility

cooling tubes

slurry bed

gas distributor

syngas intet

HTFT Technology Development

  • Catalysts

  • Reactors

    Fixed Fluidized-bed

precipitated

Fe-based

fused iron

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HTFT Technology Development

HTFT CTL Process Diagram

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Product selectivity comparison of LTFT and HTFT

Comparison of selectivity for LTFT and HTFT

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LTFT: major products: diesels, naphtha

HTFT: major products: gasoline, diesel, olefins and oxygenates

Product selectivity comparison of LTFT and HTFT

Comparison of end products from LTFT and HTFT processes

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Product Commercialization of CTL Fischer-Tropsch Technology

Main process Steps

(1) coal gasification and ASU

(2) gas purification and sulphur recovery

(3) Fischer-Tropsch synthesis

(4) light end recovery

(5) tail gas H2 recovery

(6) product upgrading

(7) reaction water treatment

(8) gas turbine using tail gas as fuel

(9) power generation using reaction heat generated steam

Process diagram for a million ton/ year

CTL plant using Fischer-Tropsch Technology

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A super CTL complex with a LTFT capacity of 3 million ton/ year, a HTFT capacity of 2 million ton/ year and a power generation capacity of 300MW using tail gas as gas turbine fuel. The productions of different products are:

  • Diesel 3280 kton/year

  • Gasoline 300 kton/year

  • Olefins 1000 kton/year

  • Solvent oils 120 kton/year

  • Speciality wax 50 kton/year

  • Alcohols 180 kton/year (including methanol, ethanol, propanol, ect. )

  • Ketones/ aldehydes 20 kton/year

  • Acids 50 kton/year

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Prediction on development of commercial fischer tropsch synthesis

Prediction on Development of Commercial Fischer-Tropsch Synthesis

  • 2008–2010, 1 million ton/year demonstration facility

  • 2015, 5 million ton/year

  • 2020, 30 million ton/year

  • Enhance efficiency

  • Utilization and sequestration of CO2

  • More environmentally friendly

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