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This paper presents a modern system for conversion with plasma with hydrogen of industrial liquid waste which has implemented a control system through thermoregulatory with PID control laws. Modeling and simulation of thermochemical plasma process performed using specialized software Matlab & Simulink, Ansys allows the optimum control of the temperatures and chemical reactions of the plasma reactor on hydrogen, allowing the conversion of hazardous industrial liquid waste into electrical and thermal energy and useful raw materials that can be reused in the production process.

This paper presents the design of some equipment within an installation for plasma processing of liquid hazardous waste with hydrogen. The authors present the design and simulation in Solidworks and Ansys of hydrogen plasma torches components used for heat treatment of hazardous industrial liquids, the development in Matlab & Simulink of algorithms for controlling the power sources of torches and the non-interactive multivariable control system through thermoregulatory with PID and PID one step ahead control laws from the power supply of the reactor, and the dimensional design and functional simulation of the pump blade that ensures the circulation of the cooling liquid (water) in the torch.

The paper presents a synthesis of the main technologies used in municipal waste management, highlighting the main technical characteristics, advantages and disadvantages, the main objective is to improve the technical and economic performance of a plant that uses an innovative and environmentally friendly technology based on hydrogen plasmas for the processing of municipal recyclable waste as a source of renewable and cheap energy. Plasma gasification is a innovative process, efficient technically and economically, with low impact on the environment and facilities using this technology have reduced carbon footprint. The main equipment of the installation is the assembly consisting of the reactor equipped with plasma torch and the hydrogen plasma gas purification system, powered by power sources controlled by automation devices controlled by advanced control algorithms that act online and anticipate thermal processes and chemicals that occur in the reactor.