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YYxiuyu
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- ×¢²á: 2010-02-02
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sunxuefei(½ð±Ò+30): 2010-08-23 10:39:34
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ºÇºÇ£¬ÕâÑù×Ó For the 0.074mm standard sieve processed mineral, the best reaction conditions are considered to be 5d of acid decomposition reaction at 750¡æ, with a 56ml(/g kosnarite) 85.56% phosphoric acid amount and 3h of ion exchange reaction at 930¡æ. Both the phosphorus and potassium apparentdissolution rate can get above 80%. The reaction mechanism of every step is discussed and thermodynamic analysis is carried out for the primary reactions. |
4Â¥2010-08-22 10:59:42
YYxiuyu
ľ³æ (СÓÐÃûÆø)
- ·ÒëEPI: 42
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 2158.7
- É¢½ð: 351
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- Ìû×Ó: 143
- ÔÚÏß: 51.3Сʱ
- ³æºÅ: 951537
- ×¢²á: 2010-02-02
- ÐÔ±ð: GG
- רҵ: ½ðÊô½á¹¹²ÄÁÏ
sunxuefei(½ð±Ò+20, ·ÒëEPI+1): 2010-08-22 09:34:20
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ÕâÑù×Ó£º£© The mineral was preprocessed by means of backward floatation process to get a higher grade of iron and aluminium;A mineral-sulphuric acid co-impregnation reaction system was built to seperate the low tempreture acid decomposition reaction of sulphuric acid and the middle tempreture ion exchange reaction; and influence factors like potassium apparentdissolution rate were also investigated. |
2Â¥2010-08-22 01:36:23
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