11 China Liyongwang

7/29/2019 11 China Liyongwang

1/22

Indirect Coal LiquefactionIndirect Coal Liquefaction

Better Solution to Clean Energy SystemBetter Solution to Clean Energy System

YongYong--Wang Li,Wang Li, Director, Chief ScientistDirector, Chief ScientistSynfuelsSynfuels ChinaChina

State Key Laboratory of Coal ConversionState Key Laboratory of Coal Conversion

Institute of Coal ChemistryInstitute of Coal ChemistryChinese Academy of SciencesChinese Academy of Sciences

TaiyuanTaiyuan 030001030001


2/22

Clean Energy system 2005Clean Energy system 2005 SynfuelsSynfuels ChinaChina

EEU III / 2.0L diesel engineU III / 2.0L diesel engine VolksVolks WagenWagen CADDY SDI 2.0CADDY SDI 2.0 EEconomic fuel consumption ~5.0 L /100 kmconomic fuel consumption ~5.0 L /100 km

CCetaneetane No. > 70No. > 70

EExtremely low S and Nxtremely low S and N

EEU IV emission limitU IV emission limit

FFirst Car Fueled by 100% First Car Fueled by 100% F--T Super Clean DieselT Super Clean Diesel


3/22


Main points

Energy status in China

CTL solution

CTL development in China

Future development

Summary

Main pointsMain points

Energy status in ChinaEnergy status in China

CTL solutionCTL solution

CTL development in ChinaCTL development in China

Future developmentFuture development

SummarySummary


4/22


ReservesCoal

Oil

Gas 010 0

20 0

30 0

40 0

50 0

60 0

70 0

20 00 20 05 20 10 2 020

A

B

C

Year

Million tons

Production in China 2020:Production in China 2020:

200 million tons/a200 million tons/a

Demands:Demands:

A: 610 million tons/aA: 610 million tons/aB: 560 million tons/aB: 560 million tons/a

C: 450 million tons/aC: 450 million tons/a

Gap:Gap:

250250--410 mill ion tons/a410 million tons/a

Coal as major primary energyCoal as major primary energy

Oil insufficiency for the growing demandsOil insufficiency for the growing demands

Solutions needed for sustainable developmentSolutions needed for sustainable development

Energy status in ChinaEnergy status in China


5/22


CTL SolutionCTL Solution

SyngasSyngas

productionproductionSyngasSyngas

PurificationPurificationSynthesisSynthesis

BiomassBiomass

CoalCoalOrganic wastesOrganic wastes

NOWNOW FUTUREFUTURE

CTL pointing to the sustainable solutions on the basis of GAIFICTL pointing to the sustainable solutions on the basis of GAIFICATIONCATION

Less limited life span of CTL initialized production systemLess limited life span of CTL initialized production system

PowerPower

GenerationGeneration

Electr icity Liquid fuels Naphtha & Chemicals HydrogenElectric ity Liquid fuels Naphtha & Chemicals Hydrogen

HighlyHighly

IntegratedIntegrated

SystemSystem

COCO22controlcontrol


6/22


CTL SolutionCTL Solution

FischerFischer--TropschTropsch SynthesisSynthesis

Commercial scale operationCommercial scale operationSASOLSASOL

HTFT gasHTFT gas--solid fluidized bed iron light fractionssolid fluidized bed iron light fractions

LTFT slurry phase /fixed bed iron and cobalt heavy fracLTFT slurry phase /fixed bed iron and cobalt heavy fractionstions

SHELLSHELL

SMDS Fixed bed cobaltSMDS Fixed bed cobalt

Technology in China: pilot plant provenTechnology in China: pilot plant proven

SynfuelsSynfuels China iron (main) cobalt (in development)China iron (main) cobalt (in development)

HFPTHFPT slurry phaseslurry phase--low temperature


7/22


CTL in China: Brief history 1950CTL in China: Brief history 1950--19621962

First BASF FTS technologyFirst BASF FTS technology

Cobalt catalyst at normal pressureCobalt catalyst at normal pressure

74(X13ton) fixed bed reactors74(X13ton) fixed bed reactors 30000ton Hydrocarbons/ a30000ton Hydrocarbons/ a

The plant was removed due to oilThe plant was removed due to oilfield discovery in 1960s in Chinafield discovery in 1960s in China

CTL Development In ChinaCTL Development In China


8/22


--19791979--1989: Development of iron catalysts1989: Development of iron catalysts

Fixed bed reactor up to single tube tests.Fixed bed reactor up to single tube tests.

Slurry phase test in laboratorySlurry phase test in laboratory



9/22


--19901990--1993:1993: 40 b /d demonstration plant test40 b /d demonstration plant test

Fixed bed reactor with about 2000 tubesFixed bed reactor with about 2000 tubes

1)1) DesulfurizationDesulfurization was not adequatewas not adequate

2) Extremely low oi l price2) Extremely low oil price



10/22


New enhanced development initialized in 1997New enhanced development init ialized in 1997

FischerFischer--TropschTropsch synthesis in slurry phasesynthesis in slurry phase



11/22


SynfuelsSynfuels ChinaChina

FTS catalystFTS catalyst

groupgroup

EngineeringEngineeringgroupgroup

SyncrudeSyncrude

workingupworkingup

FundamentalFundamental



12/22


FTS catalyst research and developmentFTS catalyst research and development-- Iron based ICCIron based ICC--I (heavy fraction) 230I (heavy fraction) 230--250250ooC, slurry phaseC, slurry phase-- Iron based ICCIron based ICC--II (lighter fraction) 260II (lighter fraction) 260--280280ooC, slurry phaseC, slurry phase

-- Cobalt based ICCCobalt based ICC--III 220III 220 ooC~240C~240ooC, slurry phase, fixed bedC, slurry phase, fixed bed


- 1 0 - 5 0 5 1 0

9 2

9 6

1 0 0

9 8

1 0 0

9 6

1 0 0

9 6

1 0 0

9 2

9 6

1 0 0

9 6

1 0 0

9 6

1 0 0

Transmission(%)

V e l o c i t y ( m m / s , r e l a t i v e t o - F e )

F M S A

F M S B

F M S D

F S C P

S P U W

F M S E

F M S C

1000 2000 3000 4000 50000

10

20

30

40

50

60

70

80

Conversion/Selectivity(%)

Time on stream(h)

CO con.H

2con.

CO+H2con.

CH4sel.

C5

+sel.

C2-C

4=sel.


13/22


Process development and integration analysisProcess development and integration analysis-- Simulation of FischerSimulation of Fischer--TropschTropsch loop for different catalyst systemsloop for different catalyst systems

-- Hydrodynamics of slurry phase FT reactors and relatedHydrodynamics of slurry phase FT reactors and related-- Pilot plant design & operationPilot plant design & operation

-- Large scale slurry reactor design (4 m~ 8 m)Large scale slurry reactor design (4 m~ 8 m)



14/22


SyncrudeSyncrude workup technologyworkup technology-- New hydrogenation catalysts for hydrogenating FTSNew hydrogenation catalysts for hydrogenating FTS crudescrudes

-- Cracking of FTS wax (new route)Cracking of FTS wax (new route)-- OligmerizationOligmerization of light olefinsof light olefins

-- Separation engineeringSeparation engineering



15/22


Engineering fundamentalEngineering fundamental-- CFD calculation of three phase reactorsCFD calculation of three phase reactors

-- Quantum calculations on catalytic mechanismQuantum calculations on catalytic mechanism

-- ThermodymicThermodymic datadata

-- Kinetics and reactor modelingKinetics and reactor modeling



16/22



Pilot plant 2001Pilot plant 2001--20042004-- Two types catalysts have been testedTwo types catalysts have been tested

-- Slurry phase reaction engineering well proved: reactor & relateSlurry phase reaction engineering well proved: reactor & related processd process-- Product workingProduct working--up provedup proved

-- Design package accomplished for the demonstration plant (3500Design package accomplished for the demonstration plant (3500 b/d)b/d)

Demonstration plant (Demonstration plant (SynfuelsSynfuels China+industriesChina+industries))

-- Iron catalyst + slurry phase reactor (~ 5.5m)Iron catalyst + slurry phase reactor (~ 5.5m)

-- Dry fed entrained flow gasification (2 GSP )Dry fed entrained flow gasification (2 GSP )

-- Diesel 70% Naphtha 18% LPG 12%Diesel 70% Naphtha 18% LPG 12%

-- Possible IGCC scheme is considered (If governmental support gotPossible IGCC scheme is considered (If governmental support got))

-- Efficiency ~ 43%Efficiency ~ 43%

Commercial action (Commercial action (Industries+governmentIndustries+government))-- Two trains 3.2 mil lion ton/yearTwo trains 3.2 mill ion ton/year ShenhuaShenhua NingmeiNingmei

-- SasolSasol technology (tendency)technology (tendency)

-- 20062006--2007 initializing2007 initializing


17/22


Preliminary results of the CTL diesel


18/22


CTL Future DevelopmentCTL Future Development

High selective catalysts developmentHigh selective catalysts development-- Narrowing to middle distillatesNarrowing to middle distil lates

-- Working at high temperature (280Working at high temperature (280ooC) but in slurry phaseC) but in slurry phase

-- Optimizing factors affecting efficiencyOptimizing factors affecting efficiency

Reactor & processesReactor & processes

-- Enhancing reaction heat recovery ( 15% energy ofEnhancing reaction heat recovery ( 15% energy ofsyngassyngas ))

-- Pressure up to 45 bars to increase single train productivityPressure up to 45 bars to increase single train productivity-- Process integration optimization (coProcess integration optimization (co--production evaluation)production evaluation)

-- Water saving and treatment technologiesWater saving and treatment technologies

New technology forNew technology forsyncrudesyncrude upup--gradinggrading-- S free catalyst for hydrogenation & crackingS free catalyst for hydrogenation & cracking

-- Light fraction utilizationLight fraction utilization-- New route for fuel productionNew route for fuel production

-- Chemicals fromChemicals from syncrudessyncrudes


19/22


CTL Future Development:CTL Future Development: CoCo--productionproduction

Syngas

product ion

F-T synt hesisProductupgrading

Electr icity

Steam (HP, MP,LP)

Coal 1000 ton s6500 kcal/kg

Oxygen681375 Nm 3

88.942 ton ST coalSyngas

1965125 Nm 3

800.087 ton ST coal

Tail gas

66.565 ton ST coal

928.571 ST coal

Steam MP50 tons4.911 ton ST coal

Electr icity30000 KWh

9.9 ton ST coal

Oil prod ucts 342.341 tons528.183 ton ST co al


9.9 ton ST coal

Steam (HP-MP)1200 ton s

117.857 ton ST coal

Steam (LP-MP)1883 tons

184.925 ton ST coal

Electr icity446412.827 KWh

147.316 ton ST coal

(1)

(2)

(3)

(4)

(5)

(6)

(9)

(10)

(8)

(7)

(10)Syngas

product ion

F-T synt hesisProductupgrading

Electr icity

Steam (HP, MP,LP)

Coal 1000 ton s6500 kcal/kg

Oxygen681375 Nm 3


1965125 Nm 3

800.087 ton ST coal

Tail gas

66.565 ton ST coal

928.571 ST coal

Steam MP50 tons4.911 ton ST coal


9.9 ton ST coal

Oil prod ucts 342.341 tons528.183 ton ST co al


9.9 ton ST coal

Steam (HP-MP)1200 ton s

117.857 ton ST coal

Steam (LP-MP)1883 tons

184.925 ton ST coal

Electr icity446412.827 KWh

147.316 ton ST coal

(1)

(2)

(3)

(4)

(5)

(6)

(9)

(10)

(8)

(7)

(10)

Energy points:

Air separation & other unrecoverable: 15~25%.

Recoverable: hot gas recovery 10%; tail gas 5.6%; reaction heat 15%.

Efficiency

Oil 43-45%

FTS thermal: 78-80%;

CTL thermal: 63-65%

Gasification thermal: 90%


20/22


Syngas

production

F-TProductupgrading

Electricity

Steam (HP, MP,LP)

Coal 1000 tons6500 kcal/kg

Oxygen681375 Nm3


1965125 Nm3

800.087 ton ST coal

Tai gas66.565 ton ST coal

928.571 ST coal

Steam MP

50 tons4.911 ton ST coal

Electricity30000 KWh9.9 ton ST coal

Oil products 342.341 tons528.183 ton ST coal


Steam (HP-MP)1200 tons117.857 ton ST coal

Steam (LP-MP)1883 tons184.925 ton ST coal

Electricity446412.827 KWh147.316 ton ST coal

(1)

(2)

(3)

(4)

(5)

(6)

(9)

(10)

(8)

(7)

(10)

IGCC

Steam1200 tons (HP-MP)1883 tons (LP)

Electricity2898036 MJ99.1 ton ST coal

(11)

(12)

Syngas

production

F-TProductupgrading

Electricity

Steam (HP, MP,LP)

Coal 1000 tons6500 kcal/kg

Oxygen681375 Nm3


1965125 Nm3

800.087 ton ST coal

Tai gas66.565 ton ST coal

928.571 ST coal

Steam MP

50 tons4.911 ton ST coal


Oil products 342.341 tons528.183 ton ST coal


Steam (HP-MP)1200 tons117.857 ton ST coal

Steam (LP-MP)1883 tons184.925 ton ST coal

Electricity446412.827 KWh147.316 ton ST coal

(1)

(2)

(3)

(4)

(5)

(6)

(9)

(10)

(8)

(7)

(10)

IGCC

Steam1200 tons (HP-MP)1883 tons (LP)

Electricity2898036 MJ99.1 ton ST coal

(11)

(12)

CoCo--generation an introductiongeneration an introduction

Efficiency

Oil_electricity 52-54%

FTS thermal: 78-80%;CTL thermal: 63-65%

Gasification thermal: 90%

Simple Co-production scheme can optimize the energy flows into valuable products


21/22


SummarySummary

CTL in whole has been well proved by large scale production anCTL in whole has been well proved by large scale product ion and is and is an

important and practical option for Chinaimportant and practical option for Chinas future liquid fuel supply.s future liquid fuel supply.

CTL route will bring us to a sustainable way in using our availCTL route will bring us to a sustainable way in using our availableable

sources viasources via syngassyngas..

CTL technology in China is approaching matured and will play imCTL technology in China is approaching matured and will play importantportant

roles in the growing market.roles in the growing market.

The superThe super--clean diesel produced via CTL route will largely impose greatclean diesel produced via CTL route will largely impose great

benefits from environment improvement.benefits from environment improvement.

CoCo--production solutions should be seriously considered.production solut ions should be seriously considered.


22/22


Thanks for your attentionThanks for your attention

Documents

11 China Liyongwang