The Magnesia Scrubbing Process as Applied to an Oil-Fired Power Plant.

摘要

The report gives results of a full size demonstration of the magnesia wet-scrubbing system for flue gas desulfurization on an oil fired, 150MW generating unit. The project involved:design and construction of both an SO2removal system (based on firing 2.5% sulfur fuel) and an MgO regeneration facility for 50ton/day acid production;and operation of both plants over a 2year period. The report shows that the system removed 90% of the inlet SO2and controlled particulate emissions from the generating station,where 4000hours of operation were logged. Regenerated magnesia was recycled successfully and over 5000tons of acid was marketed from the regeneration plant,demonstrating the feasibility of the process. Correlations were developed both to determine SO2removal for varying boiler loads and fuel sulfur content,and to control regeneration of acceptable alkali. Several other studies of the process technology and chemistry were undertaken as part of the work.