In combustion of more than one type of fuel in the same combustion chamber, the emission limit value is weighted by the amount and type of fuel injected. ReportLoq implements support for this type of mixed fuel and thus only requires measurement of MW fueled material to calculate the limit value. The measurement is merely added to the other measured emission components and most often comes from a control system. The calculation of the limit value is then fully automated and does not require any manual procedures.
An example of the formula would by a mixture of biogas and oil and look like:
LIMIT_VALUE = (LVbiogas × MWbiogas + LVoil × MWoil) : (MWbiogas + MWoil)
The result is the limit value to be used in the relevant STA/LTA period (hour/day/month).
When using more than one type of fuel, it is often seen that the authorities require an additional report as supporting documentation for reporting. This is the report that shows the amount of incinerated MW for each type of fuel, and the calculated emission limit value.
This report is a standard report in ReportLoq and can be retrieved as any other report.
ReportLoq’s ability to generate emissions at STA / LTA level is a great help to operators who control the combustion. The function basically estimates how many emissions the hour or day has derived based on recent operations. If the emissions appear to exceed the limit values, the operator is warned so that an exceedance can be avoided.
This feature also works with balanced emission limit values. Here, ReportLoq views the current composition of spent fuels, and then also calculates the limit value, so the operator has an emission limit value and an emission value to relate to even though the interval is not yet over. If the emission value appears to be higher than the emission limit value, the operator is warned with a detailed explanation for the problem through graphs.
In order to avoid an actual exceedance in the case where the system has predicted a possible exceedance, ReportLoq calculates a SET point that the operator can use for support. That is the level the emissions must be lowered to for the rest of the interval, in order to avoid exceedances.
This advanced approach is unique to ReportLoq and includes many mathematical projections. It is all included in the package, and with ReportLoq’s intuitive user interface, you quickly learn to avoid making environmental exceedances.