STUDY OF FACTORS AFFECTING THE PROCESS OF FLOTATION SEPARATION OF POLYBUTYLENE TEREPHTHALATE AND ACRYLONITRILE BUTADIENE STYRENE MIXTURE

UDC 622.765.4

 

Kovaleva Anastasiya Aleksandrovna – PhD student. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: nastya.covaleva1969@mail.ru

Kulevets Polina Sergeevna – engineer, the Department of Processes and Apparatus for Chemical Production. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: polinka.kulevets@mail.ru

Levdanski Aleksandr Eduardovich – DSc (Engineering), Professor, Head of the Department of Processes and Apparatus for Chemical Production. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: alex_levdansky@mail.ru

 

DOI: https:// str doi.org/ 10.52065/2520-2669-2023-271-2-5 (In Russian).

 

Key words: froth flotation, factor, plastic, waste, surfactant, concentration, temperature, air flow rate, working solution column height.

 

For citation: Kovaleva A. A., Kulevets P. S., Levdanski A. E. Study of factors affecting the process of flotation separation of polybutylene terephthalate and acrylonitrile butadiene styrene mixture. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2023, no. 2 (271), pp. 35–41. DOI: 10.52065/2520-2669-2023-271-2-5 (In Russian).

Abstract

The study is devoted to the influence of various factors on the process of flotation separation of polybutylene terephthalate (PBT) and acrylonitrile butadiene styrene (ABS) mixture by froth flotation. Researches were carried out on the laboratory flotation installation of column type with pneumatic aeration. An analysis of influence of working parameters, such as concentration of surface-active substances, temperature of working solution, air consumption, height of working solution column, and ratio PBT : ABS in the initial mixture on efficiency of flotation process was carried out. Based on the results of the experiments the dependencies were built, which made it possible to determine the optimal ranges of flotation process parameters for a mixture of crushed plastics in order to achieve high separation efficiency. The obtained results can be used for development of more effective technologies of flotation separation of plastics.

 

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05.05.2023