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Influence of components of FGD residue on thermal dissociation of potassium feldspar-CaSO4-CaCO3 system
Author(s): 
Pages: 7-9
Year: Issue:  5
Journal: Industrial Minerals and Processing

Keyword:  钾长石-硫酸钙-碳酸钙体系脱硫灰热分解钾肥;
Abstract: 研究了脱硫灰中的微量组分Na2SO4、Fe2O3、CaCl2及B2O3对钾长石-硫酸钙-碳酸钙体系热分解的影响.在物料配比为n(KAS6)∶n(CaSO4)∶n(CaCO3)=1∶1∶14的条件下,加入不同量的Na2SO4、Fe2O3、CaCl2及B2O3分别在1223 K、1323 K和1423 K下进行焙烧.研究结果表明,脱硫灰中的各组分对钾长石分解率有较大的影响,影响最大的是Na2SO4,其...
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