OCR Text |
Show 5) Conclusion From the results of the test conducted. the following is said of the catalytic denitrification method: I) By selecting an adequate SV value. the required denitrification efficiency may be attained. Therefore. it will be possible to attain Oller tlt.1'-'\. the nitrification ratio 8S~48h 88 90%. 501 Ii) To prevent catalyst from deteriorating due to attacks of~, alkali, etc. it is preferable to position the catalyst in the temperature higher than 260~, possible even higher than 28018. iii) The lower the flue gas temperature. the lower the denitrification efficiency, making the deterioration speed faster. However. an important factor is S03 concentration in the flue gas. 1 5 |