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Ŀǰ��90% ��ȼú늏S��ʯ��ʯ - ʯ��Ó��WFGD��ˇ,��Ó��Ч��ָʯ��ʯ - ʯ��(y��ng)�b�� SO2��Ĵ�С,��Ó��Ч��Д��b��Ó�򷴑�(y��ng)�M��r��F(xi��n)��\��ˆT�܉��(j��)�估�r�ҵ�ȱ�ݣ��ͨ�^�{(di��o)��cÓ��Ч�ʵĸߵͺ�ϵ�y(t��ng)�ķ�(w��n)��\��P(gu��n)�ą��(sh��),��M��ʹ��_��ŷ�Ҫ��,��

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2.1 ��{ҺpHֵ��Ó��Ч�ʵ�Ӱ�

��C��{Һ pH ֵ��Ӱ�Ó��Ч��,��Ó��a(ch��n)��ɷֵ��P(gu��n)�I��(sh��),��(d��ng)�{�ϵ� pH ֵ�^С�r��ʯ��ʯ��Ca2+��ܽ�,�� SO2��Ҳ��,��y��ڝ{��У�Ч�ʴ�󽵵�,�� pH ֵ��u��,��һ��̶ȵĸ��g ,��pH ֵԽ��,��|(zh��)ϵ��(sh��)Խ�󣬜p��CaSO3· 1/2H2O �� CaSO4· 1/2H2O �D(zhu��n)�Q�ķ��(y��ng)��,��@��SO2��,��Ķ��γ�ҺĤ��K��(y��ng)��Mһ��M�С��,��pH ֵ�^�߿��ʹÓ��a(ch��n)��Y(ji��)��ڹܵ��λ��,��ӄ��ܵ��͇��ĥ�p��

��h,��ᘌ��H��Ó��r,��ȼ��ؓ��O(sh��)ӋҪ��ú�|(zh��)��(sh��)��{Һ pH ֵ��5.5~5.7,��

2.2 ��{Һ��Ȍ�Ó��Ч�ʵ�Ӱ�

Ӱ�Ó��Ч��{Һ�ɷ��Ҫ��̼��},��}�᲻��́��}��ڬF(xi��n)��Ó��ϵ�y(t��ng)��,��{Һ�ĝ�Ȳ��,��@��u�p�ف��} CaSO3· 0.5H2O �c O2�Ľ��|�C��{Һ��m(x��)��ӌ��Մ��^;ۼ�,��@ʹʯ��ʯ��β��K��Һ�ж��c̼��}�Ľ��|,��⣬��۷e��ӌ�(d��o)�� pH ֵ��,��p�� SO2��,��Ó��Ч�ʡ�һ��Ҫ��}�|(zh��)��?j��n)?sh��)��0.3%��,��

2.3 Һ��Ȍ�Ó��Ч�ʵ�Ӱ�

SO2��^��(n��i)��ɵ�,��Ҫ�^�̾��ǟ��еĶ��п՚Ⅲ�c�Ġ�B(t��i)�½��c��՝{Һ�е�̼��}�M�л��W(xu��)��(y��ng)�Ķ��,��SO2��Ч��cҺ��P(gu��n)��^�ģ��D1��Һ��ȼ�һ��ĕr�g��(n��i),��b�Ã�(n��i)ʯ��ʯ�{Һ�ć��cÓ��շ��(y��ng)�b�õğ��ֵ,��Ó��Ч�ʵ��P(gu��n)�IӰ푅��(sh��)��ڣ�WFGD��Ó��ϵ�y(t��ng)��,��Һ��,��ʹ��(n��i)�{Һ��Ąӣ��˝{Һ��ܶ�,��˚� – Һ��|(zh��)��e,��Ó��Ч�ʡ�һ��r��,��\��ˆT��(y��ng)��(j��) SO2��յ�Ч��ͳ��ڔ�(sh��)��(j��)��Ó��Ч�ʵ��؁��_��ѭ�h(hu��n)�{Һ�õĔ�(sh��)��,��{(di��o)��Һ��ȵı�ֵ��Һ��{(di��o)��һ��m�Ĕ�(sh��)��(j��),��_��_��h(hu��n)��ŷ�ָ��(bi��o)��Ҫ��,��ͬ�r��\��M�á�

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2.4 ��|(zh��)��Ó��Ч�ʵ�Ӱ�

�ģ�WFGD��Ó��ĽǶ��M�з��,��Ó��O(sh��)��\��⣬��S��ؓ��׃��^�l��,��(d��ng)ԭ��ж��ĝ�Ⱥ��^��g(sh��)�f(xi��)�hֵ�r,��Ó��Ч��Ҳ��׃��

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2.5 ʯ��ʯ��Ԍ�Ó��Ч�ʵ�Ӱ�

��Մ�Ʒ�|(zh��)ֱ��Ӱ�Ó��ϵ�y(t��ng)��O(sh��)Ӌ�Ϳɿ��\��,��(j��)��HJT 179—2005��(bi��o)��(zh��n)Ҫ��,��Ó��ϵ�y(t��ng)�x��Մ��Ҫ��ȡ�MgCO3��,��᲻��,��ȡ�Ӳ�Ⱥͻ��Եȷ��Ҫ��,��һ��,��ʯ��ʯ��Ҫ�� 90% ͨ�^ 250Ŀ�Y��ʯ��ʯ��һ��Ҫ�� 90%,��ʯ��ʯ��ȵ��90%,��s־SiO2��ߣ�ʯ��Ӳ�ȴ�,��(d��o)��ĥϵ�y(t��ng)�ĳ��,��w��ȴ֣��{Һ�|(zh��)��,��ʯ��ʯ�w��ԽС,��ȱ��eԽ��{Һ�ﷴ��(y��ng)�ȱ��eԽ��,��(y��ng)Խ��,��Խ�죬ʯ��ʯ��Խ��,��Ó��Ч��Խ�� ,��Մ��Ӱ푵��Մ��ܽ�Ⱥ��ܽ��ٶȣ��^�ߵ�ʯ��ʯ�ڱ��ͬ��ʯ��ʯ��ʵ��r��,��S��̼��}��Ӷ��,��ʯ�༃��Ҳ��(y��ng)��ߡ�

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3 �Y(ji��)�Z

�҇��Ĵ��Ⱦ��Ҫ��ú��͞��ȼúጷŵĶ��?q��)����B(t��i)�h(hu��n)��ϵ�y(t��ng)��ˇ�(y��n)�ص�Σ��,��˿��ƶ��ŷ��P(gu��n)��Ҫ,��ĽY(ji��)��Ó�򷴑�(y��ng)ԭ��Ó��F(xi��n)��`��ʯ��ʯ - ʯ��Ó��ϵ�y(t��ng)��WFGD��ڌ��H�đ�(y��ng)��Ӱ�Ó��Ч�ʵĸ��N��M�з��,��ᘌ��Ե��(y��ng)��ʩ,��_��Ó��\�е��P(gu��n)��(sh��)��ں��m�ķ��(n��i)��Դ_��Ó��ˇ�_��Ҫ��,��Ó��^��ṩ��(j��ng)��b�ͿƌW(xu��)ָ��(d��o),��

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��(bi��o)ע�e�`��ַ��ĺϷ��(qu��n)�棬Ո��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ,��҂��r��,��h��x�x,��