Biorefinery in · PDF fileProduction of acrylamide in China 200,000 ton / a in China. Table ....
Transcript of Biorefinery in · PDF fileProduction of acrylamide in China 200,000 ton / a in China. Table ....
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Biorefinery in China
Tianwei Tan
College of life science and technology
Beijing University of Chemical Technology
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Outline
1. Background
2. Bioenergy
3. Biobased Chemicals
4. Biomaterials
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Beijing Key lab of Bioprocess
Biorefinery Center of Ministry of Education
• Beijing University of Chemical Technology is one of 211 Universities in China
• (1) Biocatalysts
• (2) Bioseparation
• (3) Bioenergy and Bioresources
• (4) Biomaterials
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Return to the Future:
Time Cycle of Chemical Engineering
Biochemical
Engineering
Coal Chemical
Engineering
Petrochemical
Engineering
Biomass
Petroleum Coal
Wine
Vinegar
etc.
Energy
Chemicals
Materials
Traditional Modern
Chronicl
e
Retur
n
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Energy Consumption
China’s booming economy has been driving the total
energy and oil consumption very rapidly
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Oil Import Dependence
The oil import has been rapidly increasing as
well,posing serious threat to energy security.
China’s Petroleum Balance in Selected Years
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Fuel Demand and Air Pollution
The number of car is increasing rapidly,causing rising
demand for transportion fuel and serious urban air
pollution.
Source China Statistic Yearbook 2006 Source: SETA
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30
1990 2000 2020 20302010 2050 2075 2100年
0
5
10
15
20
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Discharge proportion of CO2 in China(%)
USA
China Government Report (2007):
Economization of energy resources and
reduction of pollution are the emphasis of
government work in the future.
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Biomass is the mainstay to human civilization and for well-being of man
existence in great part of our history
Past Future
Biomass
Processes
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Feed stock for biorefineryUtilization of crop residues(biomass)
• Corn for biorefinery is impossible
• From 1995 to 2005, China produces some 620million tons of crop residues per year.
• Crop residues of corn, wheat and rice were 239, 137 and 116 million tons, respectively, accounting for nearly 80% of the total crop residues.
• About 33–45% of energy consumption for livelihood in rural areas.
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Utilization of crop residues
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Biomass
Biodiesel
Ethanol
Hydrogen
2. Bioenergy
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• There will be great potential progress about biodiesel in China theoretically.
• Raw materials
(1) The oil plants such as Jatropha and Chinese pistache could produce 5,000,000t biodiesel every year.
(2) Waste oil and fats are feat for 2,000,000t biodiesel production annually.
• Recently lots of biodiesel factories with output more than ten thousand tons have been established in China. It is expected that the requirement of biodiesel in China would be more than 20,000,000t till 2010.
(1)Bioenergy——Biodiesel
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Biodiesel in China
• 10 factories, total capacity: 200,000 ton/y
• Raw materials : waste oils,
• acid oil , animal fat
• other oils
• Production Methods:
• (1)Chemical conversion
• (2) Enzymatic conversion
• (3) high pressure method
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• More than 10
factories use
chemical conversion
• 100,000t/a factory
employed the
traditional alkali as
catalyst.
Bioenergy——Biodiesel
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Production of biodiesel by
enzymatic conversion
• Chemical method : alkaline catalyst
• (1) waste water problems
• (2) high energy consumption (100-200 C°)
• Enzymatic method
• (1) low pollution and environmental friendly
• (2) can be used to any oils and fats
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• a factory with output of 20,000 t/a had been built in Hunan province. Lipse of Novozyme 435 was used as catalyst. At the same time, a factory of 1,3-PDO production were built to deal with the by-product glycerol.
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The lipase from Candida sp. 99-125 was immobilized on a modified fabric
membrane by attachment. The fabric membrane chosen for use was
made from waste silk which has a low cost and are easy to obtain.
Immobilization of lipase
cellsproteins
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Reactor column packed with
immobilized lipase membranes
Immobilized lipase on a fabric
membrane
Immobilized lipase in reactor
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• In October 2007,
another factory
with lipase
catalysis have
been set up in
Shanghai.
• Lipase of Candida
sp. 99-125 was
used as catalyst in
the factory. Waste
oil from Shanghai
were used as raw
materials.
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In 2008,a factory
with output of
100,000t/a will be built
in Hebei province
Qinhuangdao city. The
factory also
introduces the
technice from BUCT.
Lipase will be the
catalyst, and the raw
materials are acid oil
from oil factory.
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Production of lipid from waate water for
biodieselRaw materials (oil) of biodiesel
is limited
US: soy bean oil
EU: rape seed oil
China: waste oil
☞ MSG wastewater:≥25 million tons / year
☞ Starch wastewater: ≥ 24 million tons / year
☞ Citric acid wastewater:≥ 20 million tons / year
☞ Papermaking wastewater: ≥ 3.67 billion tons /
year
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Production of microbial lipid from mixed
wastewaters
-20 0 20 40 60 80 100 120 140 160
0
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-100
-80
-60
-40
-20
0
20
40
60
80
100
DO
(%
)
pH
G
luco
se
(g
/L)
Time(h)
pH Glucose DO
0 20 40 60 80 100 120 140 160 180
-20
0
20
40
60
80
100
-25
-20
-15
-10
-5
0
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COD degradation
Bio
ma
ss (
g/L
)
Lip
id c
on
ten
t(%
)
CO
D d
eg
rad
atio
n(%
)Time (h)
Lipid content Biomass
time 72h 120h 156h
CODdegradation(%)53.22 50.38 53.04
Lipid content(%) 28.03 43.67 46.67
biomass(g/L) 30.6 36.2 43.18
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—— biodiesel use microbial lipid as raw materials
2.5 kg lipid / m3 waste water
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 min
0.0
0.5
1.0
1.5
2.0
2.5
3.0
μV(x1,000,000)色谱
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 min
-0.25
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
μV(x1,000,000)色谱
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 min
0.0
1.0
2.0
3.0
4.0
5.0
6.0
μV(x1,000,000)色谱
Microbial lipid
Fatty Acid Methyl Esters
(FAME)
Fatty Acid Ethyl Esters
(FAEE)
Conversions of microbial lipid into
Biodiesel catalyzed by lipase
Conversion into FAME:82.31%;
Conversion into FAEE :90.53%
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(2)Bioenergy—— Ethanol
China has launched a national program and is committed
to expand fuel ethanol program since 2000, aiming at
more than 100 million tone/year by 2020.
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0
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2000 2001 2002 2003 2004 2005
China Ethanol Production and Demand
Production (mil tons) Demand (mil tons)
Raw Material for Ethanol, China 2005
Wheet
4%
Cassava
35%
Molasses
11%
Corn
50%
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Fuel Ethanol Program Pilot Phase:2000-2005
State council decided to launch fuel ethanol program in 2001
Four plants were built to produce fuel ethanol from corn,
with total capacity of 1.02 million tone per year
PetroChina and Sinopec are responsible for blending fuel
with gasoline, distributing and selling gasohol(E10) as fuels
for road transport in 9 provinses
Fuel ethanol producers enjoy favorable policies, including
free income tax,VAT refunding,fiscal subsidies
By 2005, gasohol consumption accounts for nearly 20% of
national gasoline consumption
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Main Fuel Ethanol Plants in China, 2006
Huaren Group in Heilongjiang
Province Corn 400,000t/y
Jilin Province in North-east
China Corn 400,000t/y
Tianguan Group in Henan
Province Corn 400,000t/y
Fengyuan Group in Anhui
Province Corn 440,000t/y
Zhongliang Group in Guangxi
Province Cassava 1000,000t/y
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Typical Sweet Sorghum complex
HarvestingCane
crushing
JuiceTrashes Baggase
Pelletisation
Paper
makingAgro-pellets
Cell immobilized
fermentation
Dehydratation
SSF
Distilation Residue
Ethanol DDGS
Feed
S.Sorghum
Planting
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Ethanol production from concentrated sweet sorghum juice was carried out under
very high gravity (VHG) fermentation conditions, the maximum ethanol
concentration can keep steadily at 150 g/L .
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Pilot plant of cellulose ethanol
in China Resources
(Heilongjiang) Co. Ltd.
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Pilot plant for 3000 tons ethanol from
lignocellulosics per year in Dongping
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• A Two-step Technology for Hydrogen Production by
Organic Waste
(3) Hydrogen Production
Maximum Generation yield of Hydrogen:17m3H2/(d. m3)
Anaerobic Fermentation Digestor
Photosynthetic Bacteria Reactor
Hydrogen
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Industrial Demonstration for Hydrogen Bio-
production
Including :
• hydrogen production by bio-
fermentation
• purification
• strain production
• secondary Wastewater Treatment
•Hydrogen production yield: 40xl04m3/year
•Hydrogen purity: over 99.9%。
•Joint Practice Research :cooperated with fuel cell development group of
Tsinghua University
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Anaerobic
digestionstraw
Organic Fertilizer
household
Fuel
dejecta
garbage
Biogas
(4) Biogas in China
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Anaerobic digestion (biogas technology) is a bioconversion
technology widely adopted in China, especially in rural areas.
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• Chinese scientists have made several achievements for agricultural residues pyrolysis. Some new kind of reactor, the Hot Ceramic Ball Heated Down-flow Tuber Reactor, for example, was developed.
• On the other hand, some basic research on biomass develatilization characteristics at flash heating rates was conducted.
• Liquid fuel
• Gasification for electiricity
(5) Bioenergy—— Pyrolysis
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• Biomass Energy
Engineering Center
of Northeast
Forestry University
developed a new
type of rotary core
reactor with the
capacity of
200kg/hr.
Bioenergy—— Pyrolysis
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• University of Science and Technology of China built a large scale of fluidized bed biomass liquefaction system in 2006. The capacity is about 600kg/h and bio-oil obtained is 50% to the feeding biomass.
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CFB:circulating fluidized-bed CV: calorific values
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Oil Well
Grain Field
Processing/Refining
Processing/Refining
Unique
utilization
Unique
utilization
Alternatives
2. Based Chemicals
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Biomass-originated Pathway to Chemicals
ReactorRenewable
Resources
Reaction conditions
Ethylene
Acrylic Acid
Chemicals
…….
Microorganisms
Ethanol
Lactic acid
Chemicals
…….
Catalysts
Alternatives
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Biobased C2-C6 Monomers and Polymers
COOH
OH
COOHHO
HO OH
HOOCCOOH
HOOCCOOH
HOOH
O CHO
HO
OH
COOHHO
HO OH
OH
HOOCCOOH
OH
O CHOHOCH2O CO2HHO2C O CO2HHOCH2
Starch, Cellulose, Hemicellulose
Bio Polymer
Bio/Chem Process
Polym Process
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Biobased Chemicals —— Bio-ethylene
The production technology of the feedstock
Bio-ethanol is very mature presently.
The dehydration process has advantages,
such as low energy cost and less byproducts.
HO
Bio-ethanol Bio-ethyleneH2O
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BBCA GROUP’s 17 kt/year bio-ethylene production equipment imported from Petroleo
Brasileiro S.A., Brazil in 1980s.(Start using in 2004)
Tandem adiabatic reactor
SINOPEC’s 9 kt/year bio-ethylene productionequipment designed by SINOPEC Shanghai
Engineering Company (SSEC) in 1980s.
Isothermal bed-fixed tubular reactor
SINOPECBBCA GROUP
Present process design for Bio-ethylene
large-scale production
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25000 t/year acrylamide in Beijing
Production of acrylamide in China
200,000 ton / a in China
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Table . Comparison of Chemical method and
Biotransformations for acrylamide(AM)
Chemical
method
Biotransformate
Catalyst
Cu catalyst
Japan
immobilized
cells
China
free cells
Acrylonitrile
consumed 0.76 t/t AM 0.76 t/t AM 0.72 t/t AM
Conversion(%) 80% 99.9% 99.9%
Capacity of
reactor
96.15t AM/m3 120t AM/m3
Steam consumed 1 t/t AM 4 t/t AM 1.5 t/t AM
Electrical energy 315 kw.h 600 kw.h 200 kw.h
Cost of Catalyst 100U$/t AM 300Yuan/t AM 50-80Yuan/t
AM
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4. Biomaterials
L-lactic acid production inChina (2007)
Factory Product Output(T)
Henan Jindan Lactic Acid Co., Ltd. DL-lactic acid 40,000.00
Anhui BBCA & GALACTIC Lactic
Acid Co., Ltd.
L-lactic acid 25,000.00
Jiangsu Daosen Biochemical Co.,
Ltd.
L-lactic acid 5,000.00
Jiangxi Musashino Bio-Chem Co.,
Ltd.
L-lactic acid 4,500.00
SICHUAN YIBIN WULIANGYE
GROUP CO.,LTD.
DL-lactic acid 3,000.00
HeBei XinHua Lactic Acid Co., Ltd. L-lactic acid 2,200.00
HuNan AnHua Lactic Acid Co., Ltd. DL-lactic acid 2,000.00
HuBei GuangShui
National Chemical Co., Ltd.
L-lactic acid 1,500.00
Jiangsu Senda Biological Engineering
Co., Ltd.
DL-lactic acid 1,500.00
Total 84,700.00
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4. Biomaterials —— L-lactic acid
Radix Puerariae
Starch
Puerarin
Fermentation
L-lactic acidPLA
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0 20 40 60 80 100
0
40
80
120
160
200 Lactic acid
Glu
co
se
an
d L
actic a
cid
(g
/l)
T (hr)
Glucose
0 10 20 30 40 50 60 70 80
0
20
40
60
80
100
120
140
0
20
40
60
80
100
120
140
160
180
200
Glu
cose
(g
/l)
Time (hr)
Glucose
La
ctic
aci
d (
g/l)
Lacticacid
Lactic acid 204g/L
Time 82h
Optical purity 99%
The conversion rate 90%
Biomaterials —— L-lactic acid
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Biomaterials —— 1, 3-Propanediol
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1, 3-propanediol fermentation in 300 L bioreactor
0h 4h 8h 12h 16h 20h 24h 26h 28h 30h 32h
0
20
40
60
80
100
2
4
6
8
10
12
14
16
18
20
22
24
0
2
4
6
8
10
12
14
16
18
20
OD
60
0
Concetrition of glycerol
(g/L
)
1,3
-PD
O(g
/L)
t/hr
Yield of 1,3-PDO Concetrition of glycerol OD600
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Biomaterials —— Succinic Acid and PBS
可再生生物质原料
BioprocessPrior Art
Fossil resources
GS Pla
Sequestration of CO2, less green-house gas emission,
lower energy consumption
Pilot plant for fermentation of succinic acid at Jiangsu
Province, mass yield at 70%,productivity at 2.0 g/L·h. End
product yield up to 85% by membrane separation
First commercial plant of PBS of 20 kt/a at Jiangsu
Biomass resources
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Lang chain Dicarboxylic acid
• Lang chain Dicarboxylic acid C10 – C18
• Applications:
• synthesis of perfume materials (C13)
• polyester: polyamide 66
• heat melting gel for cotton
• Chemical synthesis is very difficult
• Production by bio-transformation
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Production of C13 dicarboxylic acid (20000 t/year)
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