Feeding preparation strategy for the supercritical water oxidation (SCWO) system for disposing of liquid hazardous waste

IF 2.3 Q2 Environmental Science

Journal of Water Reuse and Desalination Pub Date : 2021-02-09 DOI:10.2166/WRD.2021.089

Bo Wang, Mengshu Lu, Zhao Lixin, Zhezhou Zhang, Yihua Zhao, Song-yan Qin

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引用次数: 2

Abstract

Supercritical water oxidation (SCWO) technology has a great potential application for the disposal of liquid hazardous wastes. The feeding process is vital for the safety and normal operation of SCWO. This paper describes the feeding preparation strategy of SCWO with multilevel grouping and programming. Based on the physicochemical properties, the liquid hazardous wastes from various industrial manufacturers were first grouped into acid, neutral and alkaline groups. By mixing between samples, the primary grouping tanks were determined to be acid, alkali, amphoteric reacting, organic and organic high-chlorine liquid wastes. By distributing acid, alkali, amphoteric reacting liquid wastes into organic wastes, three parallel feeding routes are regulated for the homogenizing tank phase, which avoids the reaction between wastes. By calculating with the linear programming optimization model of MATLAB, the waste compatibility ratio of each feeding route was determined to meet the feeding requirements of SCWO. The feeding preparation strategy of this paper provides a practical instruction for the SCWO design and operation.

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超临界水氧化（SCWO）系统处理液体危险废物的投料制备策略

超临界水氧化(SCWO)技术在处理液体危险废物方面具有很大的应用潜力。进料过程对SCWO的安全、正常运行至关重要。本文研究了多级分组规划的SCWO进料准备策略。根据不同工业生产厂家的液体危险废物的理化性质，首先将其分为酸性、中性和碱性三类。通过样品之间的混合，确定了初级分组罐为酸、碱、两性反应、有机和有机高氯废液。通过将酸、碱、两性反应的液体废物分配到有机废物中，调节均匀池相的三条平行进料路线，避免了废物之间的反应。通过MATLAB的线性规划优化模型计算，确定各进料路线的废物配比，以满足SCWO的进料要求。本文所提出的进料制备策略对SCWO的设计和运行具有实际指导意义。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Water Reuse and Desalination ENGINEERING, ENVIRONMENTAL-WATER RESOURCES

CiteScore

4.30

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： Journal of Water Reuse and Desalination publishes refereed review articles, theoretical and experimental research papers, new findings and issues of unplanned and planned reuse. The journal welcomes contributions from developing and developed countries.

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