engleski

Hydrodynamic cavitation effect as a tool for process intensification

Process Intensification (PI) presents a set of innovative principles in equipment and process design, which can bring significant benefits in terms of process and chain efficiency, operating and capital costs, quality of products, waste generation and process safety. PI strategies, based on 3P rules (profit, planet, people), is imperative in many industrial sectors nowadays: petrochemical sector, food ingredients and consumer food sectors, biotechnology sector, fine chemicals and pharmaceutical sectors. Hydrodynamic cavitation can be applied as innovative method for the generation of free radicals, increase of transport coefficients, interfacial area, extreme temperature and pressure conditions as well as for emulsification, microbial cell disruption and enzyme recovery which will contribute to the PI, especially in wastewater treatment process. Hydrodynamic cavitation reactors can be applied for the treatment of real industrial effluents, reduction in the toxicity of pollutants and for the increase in biodegradability of effluents. The efficiency of the process degradation and compliance with 3P rule depends on the constructional and designing aspects as well as on the operating parameters such as pressure, temperature, cavitation number and flow rate. In this paper, an overview of application possibilities of hydrodynamic cavitation effect in reactor systems for wastewater treatment was presented, according to the process intensification strategies.

hydrodinamic cavitation reactor, process intensification, wastewater process

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