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| Study on Harmless of Low SO2 Concentration by Sodium Citric Acid |
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| DOI：doi：10.3969/j.issn.1007-7545.年份.期号.顺序号 |
| KeyWord:Absorption,De-absorption,Sodium citric acid process,SO 2, |
| LI Wei-chang |
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| Abstract: |
| The mechanisms of low SO 2 concentration come from smelter absorption and de-absorption by sodium citric acid process are discussed. The theoretical analysis shows that original absorbing solution which pH is 4.5 should contain NaH 2Ci and Na 2HCi. The result is confirmed by middle test. |
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