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| Research and Application of Low Sodium Carbonate Digestion of Sintering Clinker |
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Received:June 24, 2014
Revised:July 11, 2014
Accepted:July 14, 2014
Published Online:October 15, 2014
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| DOI：10.3969/j.issn.1007-7545.2014.11.008 |
| KeyWord:series process; sintering clinker; sodium carbonate; digestion; settlement |
| Author | Institution |
| Zhang Zhongbo |
中国铝业华兴有限公司 |
| Bo Tianmei |
中国铝业华兴有限公司 |
| wanghong |
中铝山西分公司 |
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| Abstract: |
| The innovative series process used in Shanxi Branch of Chalco applied alkali supplement process combining of raw liquor and digestion slurry of Bayer Process. High content of sodium carbonate in raw liquor sintering exerted a series of adverse effects on system and severely restricted application of new technique. By experiment in laboratory, digestion and settlement of low-carbon sodium sintering clinker were systematically investigated. The optimum technological conditions were determined. Industrial test and trial production were conducted. The results show that the concentration of sodium carbonate in raw liquor sintering drops to 5.97 g/L below. Indexes of digestion and settlement process are good with stable operation. |
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