| 热复分解法制备硫酸钾的研究 |
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| 引用本文： | 陈联梅,康泰然,王中华,陈天朗.热复分解法制备硫酸钾的研究[J].云南化工,2006,33(4):33-35,53. |
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| 作者姓名： | 陈联梅 康泰然 王中华 陈天朗 |
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| 作者单位： | 1. 西华师范大学,化学学院,四川,南充,637002
2. 四川大学,化学学院,四川,成都,610064 |
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| 摘 要： | 利用热复分解法来制备硫酸钾。将硫酸铵和氯化钾按一定比例充分混合,在高于340℃下反应1~2 h。反应过程中副产物氯化铵(NH4C l)升华分离出去,从而留下主产物硫酸钾(K2SO4)。由于主产物中氯的含量较高,必须想法降低其氯含量,达到无氯钾肥的合格标准。
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| 关 键 词： | 硫酸钾 硫酸铵 氯化钾 复分解法 |
| 文章编号： | 1004-275X（2006）04-0033-03 |
| 收稿时间： | 2006-03-22 |
| 修稿时间： | 2006-03-22 |
Investigation on the Preparation of Potassium Sulfate by Thermal Metathetical Reaction |
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| CHEN Lian-mei,KANG Tai-ran,WANG Zhong-hua,CHEN Tian-lang.Investigation on the Preparation of Potassium Sulfate by Thermal Metathetical Reaction[J].Yunnan Chemical Technology,2006,33(4):33-35,53. |
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| Authors: | CHEN Lian-mei KANG Tai-ran WANG Zhong-hua CHEN Tian-lang |
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| Affiliation: | 1. School of Chemistry and Chemical Engineering, China West Normal University, Nanehong 637000, China; 2. School of Chemistry, Siehuan University, Chengdu 610064, China |
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| Abstract: | The preparation of potassium sulfate by thermal metathetical reaction was investigated by heating the mixture of(NH_4)_2SO_4 with KCl at 340 ℃ for 1~2h.The by-product NH_4Cl was removed away by sublimation and the main-product K_2SO_4 was left. |
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| Keywords: | potassium sulfate ammonium sulfate potassium chloride metatheticaI reaction |
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