nhiên liệu diezel

8/13/2019 nhin liu diezel

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DIESEL FUELPhmMinh c

TrnhQuang Thanh

PhmThanh Tng


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2008


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Petrolimex Corporation :S1 KhmThin,nga, HNi, VitNam

PV Oil: S 194 Thi Thnh, Phng Lng H,Qun ng a, TP. H Ni

www.themegallery.com


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990,77 (

USD/ 1

tndu)

19800

ng/l


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Gaiesel M: 20000/ ltGaxng M: 16000 /lt



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NHIN LIU DIESEL


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NHIN LIU DIESEL


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NHIN LIU DIESEL


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TNH CHT NHIN LIU DIESEL

DIESELFUEL

Boiling point

Pour point

Cetan number

Heat Value

Viscosity


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C TNH NG C


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Motor Gasoline



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Diesel engines



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Fuel injection


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Turbocharging



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Turbocharging



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Supercharging



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Supercharging



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Two Stroke Cycle



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Diesel Engines And Emissions

Nox

Hydrocacbon

CO

Particulates



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Emission Reduction Technologies

Higher Ijection Pressures.

Careful Ijection Targeting.

Charge Shaping.

More Air Motion.

Charge Cooling ( Forcus Air Induction

Engines).Lower Oil Consumption.

Exhaust Gas Recirulation ( EGR ).



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Exhaust Aftertreatment Systems


Particulate traps, or filters, filter the exhaust

gas.

Catalytic converters HC and CO.

Exhaust Gas Recirulation ( EGR ).

Selective catalytic reduction ( SCR ).


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Diesel Fuil Additives

Engine and fuel delivery system

performance.

Fuel handing.

Fuel stability.

Contaminant control.


E i d f l d li


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Engine and fuel delivery system.

performance

Cetane Number Improves

Additives:

Alkyl nitrates.

Ether nitrates.

Peroxides.

Nitroso ( RN=O ).0,050,4 % wt

Ditertiary butyl

peroxide

DTBPwww.themegallery.com

E i d f l d li t


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performance

Injector Cleanlines

Additives:

Ashless polymeric

detergent.50300 ppm


E i d f l d li t


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performance

Lubricity Additives:

Mono acids: 1050 ppm.

Amides: 50

250 ppm.Esters:50250 ppm.

Smoke Suppressants:

Organometallic.


D 975EN 590


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Fuel Handling Additives

Antifoam Additives:

Organosilicone: 10 ppm.

De-Icing Additives:Low molecular weight alcohols or glycols.



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Low-Temperature Operability Additives:

Specialized additives for narrow boiling range

fuels.

General purpose additives.

Specialized additives for high final boiling point

fuels.



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Conductivity Additives

Drag Reducing AdditivesHigh molecular weight polymers 15 ppm.



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Fuel Stability Additives

Antioxidants:Phenol.

Amines.


1080 ppm


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Stabilizers:Strongly basic amines.


50150 ppm


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Metal Deactivators:


115 ppm


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Dispersants


15100 ppm


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Contaminant Control Additives

Biocides:

200 600 ppm.

Demulsfiers:5 30 ppm.

Corrosion Inhibitors:

5 -15 ppm.



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Contaminant Control Additives

Biocides:

200 600 ppm.

Demulsfiers:5 30 ppm.

Corrosion Inhibitors:

5 -15 ppm.



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Use of Additives


Lubricity additive.

Pour point reducers.

Stability additive.A cetan number improver.

Coud point.


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Distribution System Additization


A detergent/ dispersant.

Lubricity improver.

One or more stabilizing additives.

A cetan number improver.

A low temperature operability additive.

A conductivity additive.

A biocide.

A corrosion inhibitor.


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Additives in Viet Nam

A cetan number improver.

A low temperature operability additive.

Water Remover.

Diesel Fuel Treatment & Injector Cleaner.

Fuel Injector & Carburetor Treatment.

Diesel Fuel Energizer.

A corrosion inhibitor.


Diesel Fuel


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Diesel Fuel

Specifications and Test Methods

Content

Diesel and Biodiesel fuel

Specification

Test methods


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Diesel fuel specification

EU Vietnam

Text in

here

Unit Viet Nam USA EU


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Cetane number 46 40

Density at 15oC Kg/m3 820-870 820-845

Polycyclic aromatic HC % (m/m) 11 max

Sulfur content mg/kg 500, 2500 15, 500,5000 10, 50

Flash point oC 55 38, 52, 55 >55

Carbon residue (10% Dist. residue)

% (m/m), max 0.3 0.15(1D),0.35(2D 0.3

Ash content % (m/m), max 0.01 0.01 0.01

Water content mg/kg, max 200 0.05 %Volume 200

Total contamination mg/kg, max 24

Copper strip corrosion (3h at 50oC) No.1 No.3 No.1

Viscosity at 40oC mm2/sec

(cSt)

2-5 1.3, 2.4 (1D),

1.9, 4.1 (2D)

2-4.5

Fatty acid methyl esters % V/V 5 max


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Biodiesel specification


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USA

EU Vietnam

Text in

here

Property Unit Viet nam USA EU

Ca, Mg ppm < 5 < 5

Flash point oC >=130 93 >= 120

MeOH content % mass < 0.2 < 0.2

Water %vol < 0.05 < 0.05 < 0.05

Viscosity cSt 1.9 -6 1.9 -6 1.9 -6

Sulfur ppm 15, 500 =< 10

Copper strip corrosion Class 1 Class 3 Class 1

Cetane 47 47 51

Cloud point oC Report Report

Carbon Residue 100% sample % mass < 0.05 < 0.05 < 0.3

Acid number mgKOH/g < 0.5 < 0.5 < 0.5


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Property Unit Viet nam USA EU

Free glycerin % mass < 0.02 < 0.02 < 0.02

Total Glycerin % mass 0.24 0.24 0.25

Phosphorus content ppm < 10 < 10 < 10

Sodium/potassium ppm < 5 < 5 < 5

Oxidation stability hours > 6 > 3 > 6

Ester content % mass > 96.5 > 96.5

Test Methods


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Test MethodsViet Nam USA EU

Cetane number ASTM D613 D613, D976 EN ISO-5165

Density at 15oC D1298, D4052 EN ISO-3675

Polycyclic aromatic HC EN ISO 12916

Sulfur content D5453, D2622 D5453, D2622,

D129

EN ISO-20846

Flash point D3828, D93 D93 EV ISO 2719

Carbon residue (10% Dist. residue) D189, D4530 D524 EN ISO-10370

Ash content D482 D482 EN ISO-6245

Water content D203 D2709, D1796 EN ISO-12937

Total contamination EN ISO-12662

Copper strip corrosion (3h, 50oC) D130 D130 EN ISO-2160

Oxidation stability EN ISO-12205

Viscosity at 40oC D445 D445 EN ISO-3104

Fatty acid methyl esters EN ISO-14078www.themegallery.com

Test Methods


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Test Methods

Cetane index,

Cetane number

Sulfur

Test

Copper stripcorrosion


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Cetane number

1) ASTM D613: CN = 0100

2) Other methods: Ignition Quality Tester (IQT)

ASTM D6890: ID (ignition delay) = 3.1 6.5 ms (64-33 DCN)

ASTM D7170: ID = 2.784.89 ms (59.6 35 DCN)


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ASTM D613


IQTASTM D6890
http://localhost/var/www/apps/conversion/tmp/scratch_2/IQT%20D6890.mp4http://localhost/var/www/apps/conversion/tmp/scratch_2/IQT%20D6890.mp4


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IQTASTM D6890
http://localhost/var/www/apps/conversion/tmp/scratch_2/IQT%20D6890.mp4http://localhost/var/www/apps/conversion/tmp/scratch_2/IQT%20D6890.mp4


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Calculated cetane index

ASTM D976: hight- sulfur contentASTM D4737Calculated cetane index by fourvariable equation.o Procedure A: Grade 1-D S500, 1-D S5000, 2-D

S5000 and 4-D S5000.o Procedure B: Grade 2-D S500



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Sulfur

ASTM D5453:

ASTM D2622:

ASTM D129:


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ASTM D5453


High temperature

combustion tube

Diesel Sample

O2

H2O

SO2UV

SO2

SO2*

All grade (referee method for all S15 grades)

Sulfur concentration Fluorescence emitted


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ASTM D129

Referee for 1-D, 2-D S5000, 4-D


SO2 BaSO4 Sulfur concentrationDiesel sample

Copper strip corrosion


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pp p

ASTM D130



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Appendix

ASTM D976

G: oAPI

M: t50,oF


2

2 2

420.34 0.016 0.192 logM

65.01(logM) 0.0001809

CCI G G

M

D4737 P d A


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D4737 Procedure A


D4737 P d B


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D4737 Procedure B


ASTM D2622


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ASTM D2622

Referee for all S500 grades


Diesel sample

X-ray

Sulfur x-ray luorescence Sulfur concentration


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