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根据通用中心旋转组合(CCD)试验设计原理,采用响应面分析法对复合抑制剂的配方进行试验设计与优化。研究了水热体系环境下由柠檬酸钠、硼砂、对硝基苯甲酸三乙醇胺酯(简称芳环醇胺酯)组成的复合抑制剂对WC粉氧化溶解程度的影响。试验测定了在不同配比抑制剂溶液中加入WC粉前后的电池电动势变化,并以ΔE为响应指标作响应面和等高线,分析了各因素之间的相互作用及WC在各溶液中的浸出程度。结果表明,响应值最大即WC氧化溶解程度最低时的复合抑制剂配方为柠檬酸钠0.983 5g/100mLH2O,硼砂2.507 4g/100mLH2O,摩尔比为1∶1.1的芳环醇胺酯2.510 3g/100mLH2O;回归模型预测值为0.059 07V,实际测定值为0.058 36V。
According to the principle of universal center rotating combination (CCD) test design, the design and optimization of compound inhibitor formulations were conducted by response surface analysis. The effect of complex inhibitors composed of sodium citrate, borax and triethanolamine p-nitrobenzoate on the oxidation and dissolution of WC powder under hydrothermal environment was studied. The change of the electromotive force of the battery before and after the addition of WC powder in different proportioning inhibitor solution was measured. The response surface and the contour line of ΔE were used as the response indexes. The interaction between the factors and the influence of WC in each solution Leaching degree. The results showed that the complex inhibitor formulation with the highest response and the lowest degree of WC oxidation dissolution was sodium citrate 0.983 5g / 100mLH2O, borax 2.507 4g / 100mLH2O and aromatic ring amine ester 2.5:1 3g / 100mLH2O with a molar ratio of 1: 1.1. The regression model predicted value of 0.059 07V, the actual measured value of 0.058 36V.