Fuels and Combustion (Lab)

Aniline Point

Rules of the Session

No Need to Read.

Just listen to the Handsome Presenter

Ali Rauf

(M08-CE12)

Mazher Alsam

(M08-CE24)

Baber Rafique

(M08-PG10)

Sajjad Rasool Chaudhry

(M08-PG12)

Group Members

Outline

Introduction

• Diesel Index• Cetane Number• Deterioration of Packing Material

Importance

• Procedure• Results• Discussion

Experimental Work

Questions & Answers Session

Introduction

The minimum equilibrium solution temperature for practically equal volumes of aniline and oil sample.

So Aniline Point is actually a temperature.

Importance

Aniline is an aromatic compound.

It becomes miscible with an oil by dissolving aromatic compounds present in it.

So it gives us an idea about the aromatic contents of any fuel or oil.

Introduction (Cont.

Aniline Point

Aromatic Contents

Aromatic Contents

Aniline Point

Importance

By telling about the aromatic

contents, aniline point help us to

determine.

The diesel

index of oil

Cetane

Number of

the OilPossible

deterioration of oil in

contact with rubber sealing and packing

Importance (Cont.)

Cetane Number

Diesel Index

A measure of a fuel's ignition

delay The time period

between the start of injection and start of ignition

of the fuel.)

Experimental Work (Cont.)

Procedure

Equal volumes of aniline and diesel sample were taken in round bottom tube and a cork was fitted on it.

A thermometer and stirrer were inserted in the tube through cork holes and tube was immersed in water bath

Heat was supplied until aniline and diesel sample became miscible

Heat source was removed immediately and the contents were allowed to cool

Temperature ( Aniline point) was noted when cloudiness appeared in the mixture due to separation of two layers

Experimental Work (Cont.)

Aniline Point = 164.3 oF

Specific Gravity = 0.8484

Observations & Calculations

API GravitySpecific Gravity

141.5131.5

API Gravity141.5

131.5 35.2840.8484

Experimental Work (Cont.)

Observations & Calculations

Aniline Point ( API GravityDiesel Index=

100

)oF

Diesel Index=164.3 35.284

57.97100

Cetane Number = Diesel Index- 3

Cetane Number = 57.97- 3 = 54.97

Experimental Work (Cont.)

For the given sample of Diesel Oil:

Aniline Point

= 164.3 oF

Diesel Index

= 57.97

Cetane Number

= 54.97

Results

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