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Reliability of flue gas desulphurisation installations - the essential condition of efficient air pollution control

100%

Miszczyk A., Darowicki K.

Polish Journal of Environmental Studies

2002

tom 11

nr 3

In order to minimise the adverse effects of SO2 and SO3 on the environment, many power plants and industrial facilities use flue gas desulphurisation (FGD) scrubbers to remove SO2 and SO3 from combustion gases. The conditions within a scrubber and accompanying installations are very severe and cause corrosion problems for common engineering materials. Failures impend over the environment for lengthy periods. This paper describes recent experience with corrosion and new construction materials of full-scale wet FGD systems. Materials description includes advantages and disadvantages, application areas, testing methods and relative costs of various materials.

Methods of evaluation of the corrosion hazard caused by stray currents to metal structures containing aggressive media

100%

Zakowski K., Darowicki K.

Polish Journal of Environmental Studies

2000

tom 09

nr 4

Typical methods have been characterised of determination of the corrosion hazard caused by stray currents to metal structures transporting or storing aggressive media (e.g. fuel pipelines, tanks). Monitoring of the hazard allows determination of its extent, facilitates choice of the most appropriate anticorrosion protection method individually for each structure, and also enables evaluation of the effectiveness of a functioning protective installation. In the paper the practicability of the above mentioned methods has been assessed. Application of methods leading to erroneous conclusions regarding the corrosion hazard of electrolytic corrosion in relation to real electrode processes occurring on the metallic surface of the structure can lead to dangerous consequences. The effect of corrosion processes is the corrosive perforation of the metal leading to leakage to the ground of aggressive media contaminating the natural environment. Seeking of new unequivocal methods regarding electrolytic corrosion processes proceeding on structures is a fundamental issue.

Ograniczanie wyników

2 Polish Journal of Environmental Studies

2 Darowicki K.

1 Miszczyk A.

1 Zakowski K.

1 2002

1 2000

Wyniki wyszukiwania

Reliability of flue gas desulphurisation installations - the essential condition of efficient air pollution control

Methods of evaluation of the corrosion hazard caused by stray currents to metal structures containing aggressive media