부산대학교 도서관

Until recently, the Ohio Edison Niles Generating Station operated particulate control equipment with an efficiency of about 70%. To comply with existing law, particulate emissions have now been reduced to less than 0.1 lbatmmBtu. While this has greatly improved the total suspended particulate levels in the vicinity of the plant, a new phenomenon has occurred requiring additional attention to emissions from the plant. The acidic matter emissions problem at Niles Plant was approached with the purpose of investigating all aspects of the problem. The testing of acids on car paint finishes indicated the type of damage that can be done by varying degrees of acidic solutions. The painted samples, when compared to car damage at the plant, verified the type of acid and strength of solution which caused the damage. Sulfuric acid was the main contributor. It also verified that other types of damage on the cars were not caused by the acidic matter. The analysis of deposits found in the ductwork and chimney showed that corrosion was not significant in the ducts. It also showed that ammonia, as was initially used to control the problem, was not sufficiently neutralizing the ash deposits in the chimney. That indicated that an intermittent use of ammonia was not sufficient to eliminate the problem.