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��Щ��, (li��n)�ϟ��Ó��Ó��g(sh��)�ܵ��V��P(gu��n)ע, ��, ��y(t��ng)��(li��n)�ϟ��Ó��Ó��ˇ��Ó��b�ú��ڳ��m��ǰ��bһ��Ó��b��x��Դ߻�߀ԭ(SCR)��x��ԷǴ߻�߀ԭ(SNCR), �Ķ��F(xi��n)(li��n)��Ó��Ó��(combined desulfurization and denitrification). �@�N�ּ��ʽ��Hռ��e��, ��Ͷ�Y��\��M�ø�, �o��e�ƏV��Î��һ��y. ��˽��͟��M��, �_�l(f��)ͬ�rÓ��Ó��(simultaneous desulfurization and denitrification) �¼��g(sh��),��O(sh��)��ѳɞ��Ⱦ��I(l��ng)��ǰ��Ե��о��, ��(n��i)��^��P(gu��n)�о�, ��ڼ��g(sh��)�ͽ�(j��ng)��ȷ��ȱ��, �y�԰l(f��)չ�ɞ��^�錍�õļ��g(sh��).

�҂�ע�⵽��ѭ�h(hu��n)��Ó��g(sh��), ԓ��g(sh��)��ɵ��LLB(Lurgi Lentjes Bischoff)��˾�о��_�l(f��). ��(j��ng)�^20 ��ꌦ��ˇ�^�̵��о��͹��̌��`�ķe��, ��ѭ�h(hu��n)��Ó��g(sh��)�ڽ��õ��˿��ٰl(f��)չ. ��ԓ��g(sh��)Ͷ�Y��\��M�üs��Ó��ˇ��50%~70%[1], ��緶��(n��i)�õ��̘I(y��)��. ��͵ğ��ѭ�h(hu��n)��Ó��b��҇�Ͷ��ʹ��, ��ԓ��ˇ�]��ͬ�rÓ��. ��ԓ��ˇ��ռ��eС��Ͷ�Y��\��M�õ͵ȃ�(y��u)�c, ��ͬ�rÓ��, �䑪��ǰ��ǳ��V�.

�о��, ��е�NO ��ˮ�ĵ�NO2 ��ѭ�h(hu��n)��Ќ��F(xi��n)ͬ�rÓ��Ó��ļ��g(sh��)�P(gu��n)�I. �͜��NO ��g(sh��)��P(gu��n)�Y��^��, Chu ��Chien[2]��M��/NaOH��Һͬ�rÓ��NO ��SO2 ��о�. Hori ��[3]��򟟵��м��u��ɻ��F(xi��n)NO �Ŀ��. �҂��(j��ng)�^��о�, �_�l(f��)��“��”�͸߻��Մ�, ��ڹ̶��͹ܵ��ԇ��_��M��о�[4,5], ȡ��^�M��ĽY(ji��)��. ��ģ�M��, ��O(sh��)Ӌ��ѭ�h(hu��n)��M��ͬ�rÓ��Ó��ԇ�, �@��^�ߵ�Ó��Ó��Ч��; ͨ�^��򞌦��Մ��SO2 ��NO ��Ó��a(ch��n)��M��˳ɷֻ��W��, ��Ò��@΢�R��X �侀��V�x��߻��Մ��ú��,��“��”�߻��Մ��ͷ��“��”�߻��Մ��M��˱��΢�^(q��)��, �о��ԓ��Ը߻��Մ��Ó��Ó��C��.

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1 ��ϵ�y(t��ng)��ͬ�rÓ��Ó��ԇ�

ԇ��D1 ��ʾ��Ƶ�ԇ�ϵ�y(t��ng)��M��. ��w��һ��(n��i)��250 mm,��4500 mm �Ĵ�ֱ�AͲ, ��w��O(sh��)��ɜضȜy�c.

ԇ��ʹ��SO2-NO-H2O-�՚��Ϛ��w��ģ�M��H��, SO2 ��NO ��ڸ��Ե��ƿ. ԓ��Ϛ��w��(j��ng)늼ӟ��ӟ��M��. ��ϵ�y(t��ng)ʹ��L�C��Դ, ��ϵ�y(t��ng)��ؓ��\��. ��(n��i)�\�Љ��800 Pa.

�߻��Մ��ʽ�o�ϙC��뵽��, ͨ�^�{(di��o)��(ji��)��϶��м��Ͽڵ��_�ȁ��{(di��o)��(ji��)�o��. �ķ��Ĺ��w��Ͻ^�󲿷ֱ��L��m��ռ�, ��(j��ng)�ɻ��ȷ��ص��cѭ�h(hu��n).

ԇ��M�Еr, ͨ�^�߉�ˮ�îa(ch��n)��F��ˮ�Ώ��ײ��, �{(di��o)��(ji��)��.

�M��ϵ�y(t��ng)�ğ��SO2 ��NO �ĝ��ɟ��x(MRU 95/3CD ��,��)�y��. ��ß��x�y��. ��ض��ɟ��ż�y��.

2 ��Ը߻��Մ��Ƃ�

��Ը߻��Մ��Ƃ䅢��҂��ǰ�Ĺ��[4,5], ��Ƃ䷽��: ��ú��c��I(y��)ʯ��(��Ȟ�3�U1)��ˮ��, ��ضȞ�90��, ��r�g��6 h. ��ɺ��i�}(M)��ĩ, ��ʹ��߶ȷ�ɢ��Մ��ı��, �Ķ��Մ��γ��S��“��c”, �ɴ��Ƶþ��ͬ�rÓ��Ó��ܵ��Ը߻��Մ�.

3 Ó��Ч�ʴ_��΢�^(q��)��Ó��a(ch��n)��

Ó��Ч��ͨ�^�y��ϵ�y(t��ng)�П��M�� SO2 ��NO �ĝ�ȶ��_��; ��ú��,��Ը߻��Մ��ͷ��Ը߻��Մ��΢�^(q��)��ò��KYKY2800B �͒��@΢�R(�Ї��ƌWԺ�ƃx��޹ɷݹ�˾); ��ɷַ��SEM ��õ�Vantage DIS ��X �侀��V�x(EDS, �� Thermo NORAN ��˾); Ó��Ó��a(ch��n)��û��W��, ��,��t��^��ȷ��y��, ��}��N-(1-��)-�Ҷ��ȷ��y��, ��\��߀ԭ��y��}��.

4 ѭ�h(hu��n)��ʡ�ѭ�h(hu��n)��,��w�w��ĝ��

ѭ�h(hu��n)��,��ѭ�h(hu��n)��ʡ��w�w��ĝ�ȿ��Á��Մ��. ѭ�h(hu��n)��(kg·m−2·s−1)ͨ�^�y��Ӌ��@��. ��(n��i)��w�w��(kg·m−3)��Ӌ��ʽ��: ��(n��i)�w��|(zh��)��/��w�e. ѭ�h(hu��n)��ʞ�: Gs·A/mds, ��Gs ��ѭ�h(hu��n)��, A �鷴��e, mds ��Մ��. ��߾��ͨ�^��o�ϙC�{(di��o)��(ji��).

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(1) ��ʯ��,��ú��,��M ��ӄ��ԭ��, �Ƃ��˾��и߻��Ե��Մ�, SEM��X�侀��V��, ��Մ��^��, ��ú�Һ�ʯ�Ұl(f��)��ˏ��s�Ļ�ɽ�ҷ��, ԓ�߻��Մ��ı��ֲڶ�ס��иߵıȱ��e; M ��ӄ��ɢ��Մ��.

(2) ��Ƃ��Ը߻��Մ�, ��ѭ�h(hu��n)��M��˟��ͬ�rÓ��Ó��ԇ�.ԇ��, ��,��ض�,��ͣ��r�g��}�򵪱Ⱥ�ѭ�h(hu��n)��Ӱ�Ó��Ó��Ч�ʵ��ҪӰ��; �_��ѭ�h(hu��n)��ͬ�rÓ��Ó��ѹ�ˇ��(sh��)��: ѭ�h(hu��n)��ڟ��ض�, 130��; ��, 6.0%(�w�e��); M ��ӄ��, 1.6%; Ca/(S+N), 1.2; ѭ�h(hu��n)��, 85; ��ͣ��r�g, 2.4 s; ��, 400 m3/h. ��ˇ��(sh��)��, Ó��Ч�ʺ�Ó��Ч�ʷքe�_�� 95.5%��64.8%. M ��ӄ��ĺ��Ó��Ӱ��@��, ��Ó��Ч��Ӱ푲��.

(3) ��CFB �ϵ�ԇ�Y(ji��)��, �ڱ�ԇ�l��, Ó��Ó��Ч��جF(xi��n)��, ��˹�ˇ�^��, �\�з�(w��n)��, ��к܏��Ĺ��I(y��)��Ý��.

(4) ��(j��)SEM ��X ��V��, ��Y(ji��)��Ó��a(ch��n)��Ļ��W��Y(ji��)��, ��Ը߻��Մ��Ó��Ó��C��Ɣ��: ��NO ��NO2, �� SO2 һ��c��ˮ��Մ��Ca(OH)2 �l(f��)��^��, �γ��},��},��}�́��}.

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