Sustainable treatment of boron from oilfield produced water for optimum recovery using zirconium chloride oxo-precipitation

IF 5.5 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Sustainable Chemistry and Pharmacy Pub Date : 2024-09-12 DOI:10.1016/j.scp.2024.101762

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Abstract

This study focuses on the recovery of boron from oilfield-produced water employing the chemical oxo-precipitation method. Zirconium chloride was used to recover boron as a sustainable approach. The study aimed to optimize the parameters to achieve the highest possible boron recovery. It also sought to investigate the impact of operating parameters, including pH, time, oxidizing agent, and dosage of the precipitant, on boron recovery. The optimal operating conditions were optimized through response surface methodology (RSM). A comparative study was conducted with barium chloride (chemical oxo-precipitation) and calcium hydroxide (conventional precipitation). The results indicated that the highest boron recovery was achieved at 97% by utilizing chemical oxo-precipitation with zirconium chloride. Meanwhile, barium chloride and calcium hydroxide recovered boron at 89% and 88%, respectively. The precipitates were characterized by Fourier transform infrared (FTIR), x-ray fluorescence (XRF), scanning electron microscopy (SEM), and energy dispersive x-ray spectroscopy (EDX). The XRF and EDX characterization analysis confirmed the highest boron recovery at 97% with zirconium chloride. SEM showed that zirconium chloride precipitated visible amorphous insoluble solids. The chemical-oxo-precipitation procedure outperforms barium chloride and calcium hydroxide precipitation. The zirconium chloride oxo-precipitation method was proved to be a greener solution for boron recovery.

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利用氯化锆氧化沉淀对油田采出水中的硼进行可持续处理，以实现最佳回收效果

本研究的重点是采用化学氧化沉淀法从油田采出水中回收硼。氯化锆是一种可持续的硼回收方法。研究旨在优化参数，以实现尽可能高的硼回收率。研究还试图调查 pH 值、时间、氧化剂和沉淀剂用量等操作参数对硼回收的影响。通过响应面方法（RSM）对最佳操作条件进行了优化。对氯化钡（化学氧化沉淀法）和氢氧化钙（传统沉淀法）进行了比较研究。结果表明，采用氯化锆化学氧化沉淀法的硼回收率最高，达到 97%。同时，氯化钡和氢氧化钙的硼回收率分别为 89% 和 88%。傅立叶变换红外（FTIR）、X 射线荧光（XRF）、扫描电子显微镜（SEM）和能量色散 X 射线光谱（EDX）对沉淀物进行了表征。XRF 和 EDX 表征分析证实，氯化锆的硼回收率最高，达到 97%。扫描电镜显示，氯化锆析出了可见的无定形不溶性固体。化学氧化沉淀法优于氯化钡沉淀法和氢氧化钙沉淀法。事实证明，氯化锆氧化沉淀法是一种更环保的硼回收方法。

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来源期刊

Sustainable Chemistry and Pharmacy Environmental Science-Pollution

CiteScore

8.20

自引率

6.70%

发文量

274

审稿时长

37 days

期刊介绍： Sustainable Chemistry and Pharmacy publishes research that is related to chemistry, pharmacy and sustainability science in a forward oriented manner. It provides a unique forum for the publication of innovative research on the intersection and overlap of chemistry and pharmacy on the one hand and sustainability on the other hand. This includes contributions related to increasing sustainability of chemistry and pharmaceutical science and industries itself as well as their products in relation to the contribution of these to sustainability itself. As an interdisciplinary and transdisciplinary journal it addresses all sustainability related issues along the life cycle of chemical and pharmaceutical products form resource related topics until the end of life of products. This includes not only natural science based approaches and issues but also from humanities, social science and economics as far as they are dealing with sustainability related to chemistry and pharmacy. Sustainable Chemistry and Pharmacy aims at bridging between disciplines as well as developing and developed countries.