Adriana Wróbel-Kaszanek*, Sebastian Drużyński, Urszula Kiełkowska and Krzysztof Mazurek,
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引用次数: 0
摘要
本文介绍了利用偏钒酸钾将硝酸铵（V）转化为硝酸钾（V）的新型无废物技术的平衡测试结果。为了确定处理苏打-氯-盐硝石（SCS）生产过程中过滤后液体的最佳条件，需要对 KNO3 + NH4NO3 + KVO3 + NH4VO3 + H2O 五组分体系的等温线进行详细分析。采用等温饱和溶液法在 293.15 和 313.15 K 温度下进行了平衡测试。根据三重点 P1 的数据，硝酸铵（V）到偏钒酸铵的最大转化效率在 T = 293.15 K 时为 97.53%，在 T = 313.15 K 时为 98.69%。这些结果与文献数据一起，被用于编制采用 SCS 方法处理滤后液的拟议技术概念的物料平衡表。
Solubility Testing of the Five-Component KNO3 + NH4NO3 + KVO3 + NH4VO3 + H2O System at Temperatures of 293.15 and 313.15 K
This article presents the results of equilibrium tests regarding the development of a new waste-free technology for converting ammonium nitrate(V) to potassium nitrate(V) using potassium metavanadate. To establish the best conditions for disposing of postfiltration liquor from the soda-chlorine-saltpeter (SCS) production process, a detailed analysis of the isotherm in the five-component system KNO3 + NH4NO3 + KVO3 + NH4VO3 + H2O was required. Equilibrium tests were carried out by isothermal saturation of solutions method at temperatures of 293.15 and 313.15 K. The results obtained were used to plot solubility isotherms using the Jänecke method. The maximum conversion efficiencies of ammonium nitrate(V) to ammonium metavanadate are 97.53% at T = 293.15 K and 98.69% at T = 313.15 K based on the data for the triple point P1. These results, along with literature data, were used to prepare a material balance for the proposed technological concept for the disposal of postfiltration liquor using the SCS method.
期刊介绍：
The Journal of Chemical & Engineering Data is a monthly journal devoted to the publication of data obtained from both experiment and computation, which are viewed as complementary. It is the only American Chemical Society journal primarily concerned with articles containing data on the phase behavior and the physical, thermodynamic, and transport properties of well-defined materials, including complex mixtures of known compositions. While environmental and biological samples are of interest, their compositions must be known and reproducible. As a result, adsorption on natural product materials does not generally fit within the scope of Journal of Chemical & Engineering Data.
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