i'd like to check my understanding on emission level for DLN 2.0+.

The rated NOx level as per spec is 25ppm.

My question is:

1. Is this 25ppm rated at ISO condition similar to how OEM rate their MW ?

2. Is this 25ppm is the lowest value the GT will emit or highest ?

3. Our CEMS shows value around 55 to 65 mg/m3. How do i convert to PPM ? They are many formulas found in Google. I'm just confused. Should i treat NOx = NO + NO2 or just NO2 ?

How about SOx and CO level ?

Normally we get zero or negative value for SOx and 5-6 mg/m3 for CO.

Is this normal ??

Pls help sir.

 

1. The rating is 25 ppm when in Premix Steady State combustion mode.

2. The 25 ppm rating is approximately the lowest NOx which can be achieved and still maintain optimal turbine operating conditions (low dynamic pressures; stable combustion).

3. No ideas. Ask your CEMS vendor or look at the CEMS manuals.