The measurement of Base Number involves a complex potentiometric titration where the total alkaline reserve of one gram of oil dissolved in a mixed solvent is reacted with the gradual addition of a known excess of an acid solution. The reaction is monitored using a reference and a measuring electrode, where a graph of voltage (mV) vs. acid added (ml) is then plotted. The end point is detected from a point of inflection on the graph or, in the case of badly degraded oils, from a predetermined millivolt reading.

This test applies only to engine oil samples because these lubricants are deliberately formulated to contain a reserve alkalinity that enables them to neutralize the corrosive acidic by- products of the combustion process. The BN of an oil is a direct measurement of its alkaline reserve.

Every engine oil has an initial BN that gradually reduces during use.

Typical starting values for diesel engine oils are between 8 and 12. However, marine engines burning heavy fuel oil need a much higher BN, possibly as high as 80, to handle the harsh combustion conditions from fuels containing a high concentration of sulfur. A general rule of thumb is to discard the oil when the BN drops below half its beginning value.

While it may seem logical to assume that oils formulated to have a high BN would be most desirable, this is not always the case because some engines may suffer burnt valves if such an oil is used. This results from the high ash content of the oil and high valve temperatures causing fusion of the valve seats. Using a lubricant specifically formulated for diesel combustion in a gasoline engine could also prove detrimental, highlighting the importance of adhering to equipment manufacturers’ lubricant specifications.

BN measurements are performed only on samples from infrared results flagged for analysis. A BN can be predicted through the infrared data and, where this prediction is below the specified limit, a BN test is requested to confirm the degree of degradation evident in the infrared data. All samples having a predicted BN exceeding a safe limit are reported as having a BN of +6 while the actual result is reported for samples selected for the test.
 

 

MANUFACTURING PROCESS OF ENGINE OIL is not very complicated. For the production, there is need usable and tried a formulation, ingredients ( performance and another additives, base oils,foam agent, pour point depressant, etc. ) and process tank. For ingredients to be used, quantities to be used and ingredients usage rankings, you should look into this formulation and manufacturing process. Therefore, formulation and productıon process of MULTIGRADE, MONOGRADE,SYNTHETIC,SEMI SYNTHETIC MOTOR OIL are important. If you have not a good formulation, you cannot make healthy and  efficient production of any lubricating oils.
 

 

If you need any manufacturing formulations and production methods about
 

any engine oil 


LUBRICATING OIL

FORMULATIONS

ENCYCLOPEDİA

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LUBRICATING OIL FORMULATION ENCYCLOPEDIA has many formulations of greases, complex grease, lithium grease production,sodium greases formula, formulation,multigrade engine oils manufacturing process,motor oils making, gear oil production, synthetic engine oils,semi synthetic motor oils,gasoline oils,diesel oils production process,composition of turbine oils,transmission oil manufacturing, production of cycle motor engine, tractor oils,mineral based motor engine production,heat transfer oils, slideway oils formulation, formulations, cutting oils formula,formulas grinding oils,mould oils manufacturing process and etc.


All lubricating oils in the encyclopedia are producible easily.You need no help and no technıcal support. The encyclopedia is enough to produce lubricating oils and engine oils  itself.

LUBRICATING OIL

FORMULATIONS

ENCYCLOPEDIA

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