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1,��NaOH(Na₂CO₃)Ó��,��Ó��Һ��Ҫ��NaOH(Na₂CO₃)ˮ��Һ��ѭ�h(hu��n)�^��Ќ�ˮ��,��ܵ�,��O�侏�ⸯ�g,��_ˢ��O��\�к;S�o,��

2,��c��Һ��SO₂��ٶȿ죬��^С��Һ��,��_��^�ߵ�Ó��Ч��,��һ��≥90%��

3,��Ó�򄩵��Ó��l(f��)��w��(n��i)��ĥ�p,��\�еĿɿ��ԣ��\�гɱ�,��

4,��Կ��ܞ�Ó��Y(ji��)��(g��u)��\�пɿ��Ը�,��¹ʰl(f��)��С,��ͣ��P≤600Pa,��

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1��ԭ��

SO₂��շ��Na₂CO₃��SO₂→Na₂SO₃��CO₂↑

��Մ��CaO��H₂O→Ca(OH)₂

Ca(OH)₂��Na₂SO₃��H₂O→2NaOH��CaSO₃·H₂O

2,��ˇ��

��䓠t�ğ��⽛(j��ng)�Q�ή��≤200��,��(j��ng)��M��Ó��Ó��(n��i)��ɌӔ�(sh��)ʮ֧��,��΢Һ��F��Ó��ܷe��(n��i),��c��Ó��Һ�M�г��Һ��Ͻ��|��ʹ��SO₂�ͻ҉m��Ó��Һ��,��,��_��Ó�m��SO₂��Ŀ�ġ��(j��ng)Ó��ϴ��ă��⽛(j��ng)��픳��F��Óˮ,��(j��ng)Ó��ϲ��M�럟��,��Ó��ѭ�h(hu��n)Һ��(j��ng)��(n��i)��Һ��|��SO₂�󣬽�(j��ng)��׹ܵ��ڴˌ��҉m��,��Һ��(j��ng)�ϲ��M�뷴��,��ڳ؃�(n��i)�cʯ��Һ�Ƃ��ʯ��M��Һ��ǰѭ�h(hu��n)��a��Na₂CO₃,��ɱô��Ó��Ó��SO₂ѭ�h(hu��n)ʹ��,��a(ch��n)��CaSO₃��^ʣ��ɵ�CaSO₄�ڳ��г��x��

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1,��ϵ�y(t��ng)

��䓟��⽛(j��ng)��L�Cֱ��M��Ó��,��Ó��Կ��ܽY(ji��)��(g��u)��OӋ��,��4.0m/s��,��С��≤600Pa��,��Ó��г��m,��Ó��ş��һ�w,��M�럟��,��Ó��ꮅ��ɰ̎��󣬭h(hu��n)��֬��6��,��(n��i)��Ҫ�Ǉ��ͷ��F��,��304��P䓲��|(zh��)��Ó��ó��F(xi��n)��ϕr,��Ó��ͣ��,��ͨ�^��⡣

2,��Ó��SO₂��ϵ�y(t��ng)

��M��Ó��c��ܵ�Ó��ʽϴ��,��Һ��ֽ��|��SO₂��Ó��Ç��ʽ��,��ڇ��F��,��ѳɟo��(sh��)Сֱ��Һ��,��係��e��(sh��)ǧ��,��ʹ��Һ��Գ�ֽ��|��Һ��|��eԽ��,��|(zh��)�ᷴ��,��Ч��Խ�ߡ��˻��a(ch��n)��T��Ԫ��ж��Ç��Y(ji��)��(g��u),��𵽸�Ч,��(ji��)�ܡ��r�͵ȃ�(y��u)�c,��Ó��(n��i)�AҺ�F��SO₂��ۉm,��Na₂SO₃��ͬ�r��NaOH��Na₂SO₃,��Ó��Һ�ų��M��cCa(OH) ₂��,��c�x�Ӳ��a��Na₂SO₃��NaOH��(j��ng)ѭ�h(hu��n)Ó��ô��Ó��ѭ�h(hu��n)��SO₂,��

��Ó��픲��b�г��F��,��(j��ng)��F��_��,��y��ğ��m��ˮ�Ρ��w�w��F��@��x,��F��O�ö��ڛ_ϴ�b��,��ֹ��F��

3,��Ó��a(ch��n)��̎��

Ó��a(ch��n)��K��ʯ��{,��w��CaSO₃��CaSO₄߀�в��ֱ��Na₂SO₄��ۉm,��Н�ˮ��{�Ïĳ��ų�̎��,��(j��ng)��Ȼ��l(f��)��ɡ��ʯ��{�к��й��w�s�|(zh��),��Ӱ�ʯ��|(zh��)��,��һ��Ԓ��ߡ��ų��؝{Һ�ɽ�(j��ng)ˮ��,��̺�,��̎��

4,��P(gu��n)�ڶ��Ⱦ�Ľ�Q

��c�}�p�A��Ó��ɽ�Q��һ�{�AÓ��Ķ��Ⱦ��},��c�}�p�A��Լ{�A��SO₂,��a(ch��n)��ʯ��{�A�^�m(x��)ʹ�ã��c�}�p�A��ܹ�(ji��)ʡ�A��,��ֶŽ^��Ⱦ��},��Na₂SO₄��܉��ʯ��{Һ�У��(j��ng)��Һ��x,��x�Ĺ��w��M�л��նѷ��,��Һ��^�m(x��)ʹ�ã��˲��a(ch��n)��Ⱦ,��

5,��c

��NaOH(Na₂CO₃)Ó��Ó��Һ��Ҫ��NaOH(Na₂CO₃)ˮ��Һ,��ѭ�h(hu��n)�^��Ќ�ˮ��,��ܵ��O�侏�ⸯ�g,��_ˢ��,��O��\�к;S�o��c��Һ��SO₂��ٶȿ�,��^С��Һ��,��_��^�ߵ�Ó��Ч�ʣ�һ��≥90%��

Ó�򄩵��Ó��l(f��)��w��(n��i)��ĥ�p,��\�еĿɿ��,��\�гɱ��Կ��ܞ�Ó��Y(ji��)��(g��u),��\�пɿ��Ը�,��¹ʰl(f��)��С��,��P≤600Pa,��

6��SO₂Ч�ʼ��ҪӰ��

PHֵ��PHֵ��,��SO₂��ʴ�,��Ó��Ч�ʸߣ�ͬ�rPHֵ��,��Y(ji��)��С,��Մ��漃��

�ضȣ��ضȵ��ښ�Һ��|(zh��),��ܽ�SO2,��ضȵ�Ӱ푷��ٶȣ��Ó�򄩵ĜضȲ��һ��Ĳ�׃��,��ȡ�Q��M��ğ��ض�,��

ʯ��ȼ��ȣ�Ҫ��ʯ�Ҽ��≥95%��ȿ��Pc200~300Ŀ��(n��i),��

Һ�{��ȣ��10~15%,��

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