overview of biodiesel specifications in thailand · • biodiesel usage becomes significant...
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Overview of biodiesel specifications in Thailand
Manida Tongroon
Renewable Energy Laboraty
National Metal and Materials Technology Center (MTEC)
The 1st APEC Workshop on Guidelines toward High Biodiesel Blend Diesel
(eg B20) Specification in the APEC Region
13-14 December 2017
CC405, Thailand Science Park, Thailand
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Outline
• Biodiesel policy in Thailand
• Development of biodiesel specification
• Current initiative for biodiesel blend higher than 7%
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Thai biodiesel specification
• Following EN standard
• 1st B100 specification issued in 2005 (for B0~B5)
– Oxidation stability > 6 hr, MG < 0.8%wt
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Thai biodiesel specification
• Following EN standard
• 1st B100 specification issued in 2005 (for B0 & B5)
– Oxidation stability > 6 hr, MG < 0.8%wt, water < 0.05%wt
• Revised B100 specification in 2007 (for B2 & B5)
– Change method:
Water from ASTM D2709 to EN ISO12937
Total contaminate from ASTM D5452 to EN12662
• Revised B100 specification in 2009 (for B2 & B5)
– Oxidation stability > 10 hr,
• Mandate blending of B3~5 in 2011
• Mandate blending of B5 in 2012
• Revised B100 specification in 2013
– MG < 0.7%wt
• Mandate blending of B7 in 2014
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Current B100 specs (2013)
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MG < 0.7%wt
Oxidation stability > 10hr
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Current diesel spec (up to B7)
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Water < 300ppm
Oxidation stability > 35hr
BDF < 7%
%BDF varied depending on CPO price
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Future B100 specs for B10
• JAMA recommendation
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Future B100 specs for B10
• Under investigation by DEDE and MTEC
– Following JAMA method to determine %MG that yields precipitation
< 50 mg/L from precipitation test at 5 ºC over 4 weeks
MG~0.4%wt
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Water content in B10
• Survey of current water content in B7 from 50 fuel stations
across Thailand shows water < 200ppm
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Water content
300ppm
200ppm
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B10 & B20/30 specs in Europe
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EN 16734:2016
B10
EN 16709:2015
B20 B30
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EN specification for Bxx
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No property Unit Limits Diesel B10 B20 B30 B100 Test method
1 Cetane number - minimum 51.0 51.0 51.0 51.0 51.0 EN ISO 5165 (B100 only)
EN 15195/EN 16144
EN 16715 (B10 also)
2 Cetane index - minimum 46 46 - - - EN ISO 4264
3 Density at 15 °C kg/m3 minimum
maximum
820.0
845.0
820.0
845.0
820.0
860.0
825.0
865.0
860
900
EN ISO 3675
EN ISO 12185
4 Polycyclic aromatic
hydrocarbons
%(m/m) maximum 8.0 8.0 8.0 8.0 - EN 12916
5 Sulfur content mg/kg minimum
maximum
-
10.0
-
10.0
-
10.0
-
10.0
-
10.0
EN ISO 20846
EN ISO 20884
EN ISO 13032
6 Manganese content mg/l maximum 2.0 2.0 2.0 2.0 - EN 16576
7 Flash point °C minimum 55.0 55.0 55.0 55.0 101 EN ISO 2719
8 Carbon residue
(on 10 % distillation residue)
%(m/m) maximum 0.30 0.30 - - - EN ISO 10370
9 Ash content %(m/m) maximum 0.010 0.010 0.010 0.010 - EN ISO 6245
10 Water content mg/kg maximum 200 200 260 290 500 EN ISO 12937
11 Total contamination mg/kg maximum 24 24 24 24 24 EN 12662
12 Copper strip corrosion (3 h at
50 °C)
rating minimum Class 1 Class 1 - - Class 1
EN ISO 2160
13 Fatty acid methyl ester
(FAME) content
%(V/V) minimum
maximum
-
7.0
-
10.0
14.0
20.0
24.0
30.0
96.5
%(m/m)
EN 14078
EN 14103 (B100)
14 Oxidation stability g/m3
h
maximum
minimum
25
20
25
20
-
20,0
-
20,0 8,0
EN ISO 12205
EN 15751
15 Lubricity, corrected wear scar
diameter (wsd 1,4) at 60 °C
µm maximum 460 460 - - - EN ISO 12156 -1
16 Viscosity at 40 °C mm2/s minimum
maximum
2.000
4.500
2.000
4.500
2.000
4.620
2.000
4.650
3.50
5.00
EN ISO 3104
17 Distillation
%(V/V) recovered at 250 °C
% (V/V) recovered at 350 °C
95 % (V/V) recovered at
%(V/V)
%(V/V)
°C
maximum
minimum
maximum
65
85
360
65
85
360.0
65
85
360.0
65
85
360.0
- EN ISO 3405
EN ISO 3924
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Conclusion
• Thai government aims to promote the usage of biodiesel
from palm oil surplus from edible oil consumption
• Biodiesel usage becomes significant fraction of total palm
oil production (now similar amount to edible oil
consumption)
• Target of B10 is in national plan with current testing efforts
among related stakeholders (oil producer, biodiesel
producer and car makers)
• Upgrading biodiesel may be a way to gain acceptance from
car makers in implementing B10
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Thank you
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