利用响应面方法优化磷酸生产过程中的参数:迈向仿生过程

IF 3.4 3区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Mehdi Abdelouahhab, Sliman Manar and Rachid Benhida
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引用次数: 0

摘要

为了提高工艺的性能和效率,了解各种变量对预期产出或响应的影响是工程挑战中的一项常见任务。本文旨在研究磷酸生产过程中游离 H2SO4 速率、固体速率和 P2O5 百分比(范围分别为 2.4-5.8%、32-37% 和 28-32%)这三个参数对反应结晶阶段的影响。实验使用过滤性工作台和半连续反应器进行,复制了二水工艺的操作条件。使用因子法和箱-贝肯法进行的调查使优化和确定影响磷酸浆过滤性的重要操作条件成为可能。总体而言,响应面方法(RSM)与传统的一次性单变量优化方法相比具有若干优势,包括能够评估变量之间对相关响应的交互影响,以及能够从有限的实验中生成大量数据。此外,我们还成功采用了可取函数方法来确定最佳条件,并对具有高过滤性和低过滤性的磷石膏晶体进行了表征和比较。最后,我们预计我们的论文将为解释奈卡和普尔皮的天然巨型石膏晶体是如何形成的奠定基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Optimization of parameters during phosphoric acid production using response surface methodology: toward a biomimetic process†

Optimization of parameters during phosphoric acid production using response surface methodology: toward a biomimetic process†

Optimization of parameters during phosphoric acid production using response surface methodology: toward a biomimetic process†

In order to improve the performance and efficiency of a process, understanding the influence of various variables on a desired output or response is a common task in engineering challenges. This paper aims to investigate the effect of three parameters – namely the free H2SO4 rate, the solid rate, and the percentage of P2O5 in the ranges of 2.4–5.8%, 32–37%, and 28–32%, respectively – on the reactive crystallization phase during the phosphoric acid production. The experiments were carried out using a filterability workbench and a semi-continuous reactor that replicated the operating conditions of the dihydrate process. The investigation conducted using the factorial and Box–Behnken methods enabled the optimization and determination of operational significant conditions affecting the filterability of the phosphoric slurry to be thoroughly evaluated and controlled. Overall, response surface methodology (RSM) has several advantages over classical one-variable-at-a-time optimization, including the ability to assess the interaction effect between variables on the response of interest and the ability to generate large amounts of data from a limited number of experiments. Furthermore, the desirability function approach has been successfully implemented for the identification of the optimal conditions, and phosphogypsum crystals offering high and low filterabilities were characterized and compared. Finally, we anticipate that our paper will serve as a foundation for the explanation of how the natural giant gypsum crystals of Naica and Pulpí were formed.

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来源期刊
Reaction Chemistry & Engineering
Reaction Chemistry & Engineering Chemistry-Chemistry (miscellaneous)
CiteScore
6.60
自引率
7.70%
发文量
227
期刊介绍: Reaction Chemistry & Engineering is a new journal reporting cutting edge research into all aspects of making molecules for the benefit of fundamental research, applied processes and wider society. From fundamental, molecular-level chemistry to large scale chemical production, Reaction Chemistry & Engineering brings together communities of chemists and chemical engineers working to ensure the crucial role of reaction chemistry in today’s world.
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