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Dr. Liu ChangshengOil Crops Research InstituteChinese Academy of Agricultural SciencesWuhan, China, 430062E-mail:[email protected]
Influence of Distillate Tar Oil on Biodiesel Characteristics
Staffs in the Oil Crops Research Institute: 265
3 Research fellows5 Associate research fellows10 Assistant research fellows and 8 graduate students
Staffs of the lab of oilseeds processing and nutritional research
Major Research fields
Oil seeds processing technologyBiomass energy (Biodiesel, bio-oil, biogas, etc.) Oil chemical productsMeal FeedOil and protein sciences Healthy and functional foods
Introduction
Biomass tar: a byproduct of agricultural and forestry wasters
TarGasifier system
Crop stalk,sawdust,wood bark,etc.
Introduction
The tar output accounts for 10% of the total amount of biomass
Causing the environment pollution
2,000,000,000 tons agricultural and forestry wasters per year in China (available 65%)
Introduction
The utilization technology of biomass tar：1. Fractionnation<110 ℃: as wood vinegar110-190 ℃:medium calorific value，as fuel and chemical material190-230 ℃:asphalt plasticezer、aitioxidants、technical creosote
2. Catalytic pyrolysisPermanent combustible gas（750-900℃ ）
To separate water and solid
Tar Centrifuge Tar sample
Pretreatment of Tar
0.1
1a
4.63
41.3
0.87
134
0.02
PME*
/1710%residual carbon（%）
1a1bCopper strip corrosion/50℃,3h
3.0-8.0183.6Viscosity/40℃/(mm2/s )
42.323Calorific value（MJ/kg）
0.830.99Density（20℃）/（g/cm3）
7998Flash point/℃
011.8Water content/%
0#DieselTar
Quality Analysis of Tar
*PME, Palm methyl ester
Finnigan Trace MS (GC/MS) HP-5 capillary column 15m×0.25 mm×0.25μm，
Temperature program：50℃(2min)-(10℃/min)-290℃(15min), inlect:250℃,helium, split ratio 35：1，Ionization source：EI, electron impact energy：70eV，m/z：30-550amu，scanning interval:0.35s
Component Analysis of Tar
Component Analysis of Tar
Main composition of tar by GC-MS
0.752(3H)-furanone,5-ethyldihydro-5-I 2(3H)18.63101.512-cyclopentene-1-undecanol 17.392.49Phenol,2-methoxy-4-(1-propeny)9.9482.04Phenol,2-methoxy-4-propyl8.8374.84Phenol,4-ethyl-2-methoxy 7.716
11.72Phenol,2-methoxy-4-methyl6.555
4.81Phenol,2,3-dimethyl6.17410.11Phenol,2-methyl5.283
15.22Phenol,2-methoxy4.98246.51Carbamic acid, phenyl ester/phenol3.921
Relative content（%）ComponentsRetention time
Component Analysis of Tar
TGA Analysis of Tar and PME
-0.05
0.00
0.05
0.10
0.15
0
20
40
60
80
100
120
0 100 200 300 400 500 600 700-0.01
0.00
0.01
0.02
0.03
0.04
0
20
40
60
80
100
0 100 200 300 400 500 600 700
PME Tar
Distillation Analysis of Tar
Distillate Tar Oil (DTO)
Volume percent of fraction at different temperature section
/Final boiling point：216℃
33>200
22150-200
16100-150
8<100
/Initial amplitude boiling point：98℃
Fraction（%）（℃）
Distilation Analysis of Tar
Temperature of different fraction section
21633
21230
20525
19020
14015
10210
995
Temperature（℃）Fraction（%）
Distillation Analysis of Tar
100℃:two layer, water and light fraction 100-150℃:brown150-200℃:light brown>200℃：high viscosity, floc,black
Distillation Analysis of Tar
Distillation Analysis of Tar
/0.9974.65Deep brownTar distillation100-216 ℃
5.10.9125.31Light yellowAqueous solution100 ℃
PHDensity/（g/cm3）Percent(%)ColorFraction
Distillation Analysis of Tar
/0.10.110%residual carbon（%）
1a
4.63
41.3
0.87
134
0.02
PME
1a1aCopper strip corrosion/50℃,3h
3.0-8.03.91Viscosity/40℃/(mm2/s )
42.336.4Calorific value（MJ/kg）
0.830.99Density（20℃）/（g/cm3）
7996Flash point/℃
01.2Water content/%
0#DieselTar distillation
Sediment，layeredLayeredHomogeneous dissolutionDissolving status
80g90g95gPME
20g10g5gTar oil
Bio20Bio10Bio5
Distillation Analysis of Tar
Sediment， layeredLayeredHomogeneous dissolutionDissolving status
80g90g95g0#Diesel
20g10g5gTar oil
BTD20BTD10BTD5
Dissolving Status of Tar in Diesel or Biodiesel
10%5%
Bio5 Bio10
BTD5 BTD10
5% 10%
0.099
1a
2.83
41.7
0.85
79
BTD5
/0.10.110%residual carbon（%）
1a
4.63
41.3
0.87
134
PME
1a1aCopper strip corrosion/50℃,3h
3.0-8.04.45Viscosity/40℃/(mm2/s )
42.340.9Calorific value（MJ/kg）
0.830.88Density（20℃）/（g/cm3）
79100Flash point/℃
0#DieselBio5
Comparison of Chemical and Physical Properties
Application of Tar Distillation in Engine
3.02
3.05
2.96
Consumption（kg）
5BTD5
5Bio5
50#diesel
Time（h）Sample
Economic Analysis
945.8 or (135$)//Crude Profit
95415000.636 tTar pitch
188.816000.118 tAcid solution
135355000.246 tDistillation oil
350//Processing cost
120012001 tTar price
Price/RMEUnit price/tAmountItem
Conclusions
Main components :Benzene hydroxyl derivatives bio-oilTar distillation (100 ℃-216 ℃ ) accounted for 24.63%Tar distillation dissolved in PME and 0# diesel partly(5%)The crude profit was 135$
Fuel performance of light distillation
Single components research: extraction, application
Next Research Plan
Thank You !