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EFFECT
OF INTERFACE ON THE QUALITY OF PETROLEUM PRODUCT IN MULTI PURPOSE PIPELINE
SYSTEM
ABSTRACT
Interface on petroleum product in
multi-purpose pipeline system refers to as the zone of demarcation between two
products where mixing occurs. Generally, interface is a boundary layer,
so the boundary between two products when they are pumped in succession is
known as interface.
In Nigeria Petroleum Industries like
NNPC (PPMC) make use of multi-purpose pipeline system. This is where interface
comes in petroleum products. Interface as defined above plays a lot of
economics importance in petroleum product in multi purpose pipeline system
three main products were specifically considered in this research project which
also were the main products in Nigerian petroleum, they are PMS, AGO and
DPK. During the pumping of this products from refinery to depot station,
they are not allowed to get in contact with each other because of lack of
tolerance, due to this, they are pumped in successions and in-between two products
in pipeline, interface solution comes into play the role of intermixing.
The main objective of this research
project was to determine the effect of interface on the quality of products in
multi-purpose pipeline. Generally, interface if properly handled has no
effect on the quality of petroleum products in multi-purpose because it is a
product itself, but because of lack of proper handling, some effects are now
uncounted. The chief problem here is contamination, when interface is not
properly handled, it results to the product, therefore the degree of this
product were studied with distillation unit, flash point tester and hydrometer
used to effect the degree. The distillation unit was used for ASTM 36
test which confirm the products off or on. Specification various classes
of interface were analyzed, properties and factors affecting interface length
were all considered.
The cost of accomplishment for the
research project was N6500.00.
Contaminants which was the major
problem on the quality of petroleum product in multi-purpose system and the
methods used in rectifying the contamination were analyzed in this research
project. Some experimental tests which were carried out to determine the
degree of contamination on which the quality of the petroleum products will be
certified, when compared with that of standard showed only slight
difference. As the ASTM D86 distillation curve was gotten from the ASTM
D86 test distillation carried out on the three grade of products. The
curve shows that the higher the temperature, the more the products
vaporized. The effect of pipeline vandalization on the interface arrival
were treated. Alleviation on contaminants, characteristics, advantages
and disadvantages of petroleum products in multi-purpose pipeline were all
treated to improve the quality.
TABLE
OF CONTENTS
Chapter one
Introduction
Chapter two
Literature review
Historical development
Classes of interfaces
Products characteristics and properties
Factors affecting interface length
Effect of pipeline vandalization on the
interface arrival
Advantages and disadvantages of
petroleum product pipeline
Contamination limits
Disposal of interface contamination
Contaminants/impurities contained in
the products
Methods used in purifying petroleum
contaminated product
Chapter three
Experimental procedure
Chapter four
Results
Chapter five
Discussion
Chapter six
Conclusion and recommendation
Chapter seven
Reference
Chapter eight
Appendix
CHAPTER
ONE
1.0
INTRODUCTION
Nigerian Pipeline and Depot Operations
comprises of two main products; Viz: white and black products which are further
broken down into:
1.
White products
a.
Premium Motor Spirit (PMS)
b.
Automative Gas Oil (AGO)
c.
Dual Purpose Kerosene (DPK)
d.
House Hold Kerosene (HHK)
e.
Aviation Turbine Kerosene (ATK)
2.
BLACK PRODUCTS:
a.
Locally Produced Crude
b.
Gulf Crude
c.
Bonny light
d.
Ughlli Quality Control Crude
e.
Imported Crude
f.
Lagomar Crude
g.
Arabia Light Crude
In consideration of three major
sub-products in white products, namely, PMS, DPK, AGO. These products travel
through the pipeline network from one location storage facilities to another.
However, as the products are traveling through the pipeline network, there will
be a point or phase where two products will mix together. The pint of the
mixture is referred to as interface or when any two products are pumped in
succession through a multi-product pipeline, the zone of demarcation between
them where mixing occurs is called the interface. These three products
(DPK, AGO & PMS) are being used in our every day live, that is they are
being used in some heavy duty machines, cars, lorries, generators and for
domestic uses.
These products are being monitored when
they are traveling through the pipeline by checking their point or zone of
mixture (interface) with this type of checking, it will be hardly to obtained a
contaminated products.
It is implied that once interface has
correctly monitored and cut into its tank, there will be no room for a low
quality products; so that when concumed by the public will no impose larger to
human health, life, property and the environment generally.
Further more, almost all production
industries uses these products in the machine operation to enhance smooth,
production and efficiency of their machine. The interface is of two classes;
viz critical and non-critical interface, these two types are treated in the
literature review.
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