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.

超临界水氧化（SCWO）技术在处理液体危险废物方面具有巨大的应用潜力。进料过程对SCWO的安全和正常运行至关重要。本文介绍了多级分组和编程的SCWO喂料准备策略。根据理化性质，首先将各个工业生产厂家的液态危险废物分为酸性、中性和碱性三类。经过样品之间的混合，初步分组罐被确定为酸、碱、两性反应、有机和有机高氯液体废物。通过将酸、碱、两性反应废液分配到有机废物中，调节均质槽相的三个平行进料路线，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。本文的进料准​​备策略为SCWO的设计和运行提供了实践指导。