To prevent flow accelerated corrosion in HRSGs, we specify HRSG suppliers provide A106 grade B with a minimum chrome content of 0.016%. Several of the suppliers provide P11 with a chrome content over 1.0%. When the HRSG is chemically cleaned during startup, the waste is categorized as...
I am looking for treatment alternatives for the blowdown stream (8,000 ppm Chlorides) from a typical coal plant FGD system. Discharge offsite is not an option. We are currently considering an evaporator, using the concentrated waste stream to stabilize the byproduct storage area (ash). Any...
We are currently designing an ESP system for a 400 MW forced draft boiler and a 200 MW balanced draft boiler, both oil-fired.
NFPA 850 requires a fire detection system consisting of temperature sensors at the inlet and outlet ducts that alarm to the control room. The operator is then required...
I am looking for information/experience utilizing alkaline injection (MgO, NaHSO3, etc) in an oil-fired utility boiler to reduce SO3 emissions.
Due to stricter emission standards, we are planning to reduce opacity and particulate emissions utilizing dry ESP's in combination with alkaline...
Does anyone have any experience with draining demineralized water to the ground? We are trying to dispose of demineralized water which would NOT be released into any "waters of the state," however, the state environmental department is dragging their feet on giving us concurrence...
