Refinery Final Products

The major products of oil refining are: gasoline, diesel, jet fuel, fuel oil and kerosene. Each of these products consists of a blend of several different streams produced by the various refinery processes to meet final specifications. These products are then stored in a tank farm on the refinery premises before being delivered to retail markets. Delivery may be via pipeline to area distribution terminals, or loaded onto tanker trucks for direct delivery to retail outlets.

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Prior to leaving the site, the product is often filtered and coalesced to remove solid contaminants and suspended water. Contaminants, such as rust and pipe scale can foul and erode distribution equipment (e.g. pumps, nozzles, meters) as well as end users’ equipment (e.g. engines, boilers). Water can also cause engine maintenance problems. Water in fuels often extracts highly corrosive sulfur compounds and chlorides enhancing corrosion and plugging in engine injection systems or the engine itself.

Figure 1: Refinery Final Products 

Filter Recommendations

Filter Location Recommended Pall Assembly Purpose of Filtration Benefits of Filtration
1 Pall Ultipleat High Flow Filter GF020, GF100, GF200
(2,10, 20 µm)
Removes scale, rust, and solid
• Reduces off-spec product due to solids
• Improves maintenance of equipment
(e.g. pump seal replacement, fouling of
downstream exchangers)
2 Pall AquaSepTM Plus liquid/liquid coalescer* Removes suspended water from fuel to a
concentration below 15 ppm
• Overall low cost of water removal
• Reduces off spec product due to suspended water
• Does not disarm in the presence of
known surfactants (ie. extremely efficient for
“high detergent” fuels)
• Effective in water/fuel mixtures with
interfacial tension lower than 3.5 dynes/cm
• Long service life
• Low disposal and maintenance costs

* A solids removal filter (described in filter location 1) used upstream of the AquaSep liquid/liquid coalescer is recommended to protect the coalescer.