| Title | Migration of Sulfur and Nitrogen in the Pyrolysis Products of Waste and Contaminated Plastics |
|---|---|
| ID_Doc | 10422 |
| Authors | Scierski, W |
| Title | Migration of Sulfur and Nitrogen in the Pyrolysis Products of Waste and Contaminated Plastics |
| Year | 2021 |
| Published | Applied Sciences-Basel, 11, 10 |
| Abstract | The most advantageous way of managing plastics, according to circular economy assumptions, is recycling, i.e., reusing them. There are three types of plastics recycling: mechanical, chemical and energy recycling. The products of the pyrolysis process can be used for both chemical and energy recycling. Possibilities of further use of pyrolysis products depend on their physicochemical parameters. Getting to know these parameters was the aim of the research, some of which are presented in this article. The paper presents the research position for conducting the pyrolysis process and discusses the results of research on pyrolysis products of waste plastics. The process was conducted to obtain the temperature of 425 degrees C in the pyrolytic chamber. Such a value was chosen on the basis of my own previous research and literature analysis. The focus was on the migration of sulfur and nitrogen, as in some processes these substances may pose a certain problem. Studies have shown high possibilities of migration of these elements in products of pyrolysis process. It has been shown that the migration of sulfur is similar in the case of homogeneous and mixed waste plastics-it immobilizes mainly in pyrolytic oil. Different results were obtained for nitrogen. For homogeneous plastics, nitrogen immobilizes mainly in char and oil, whereas for mixed plastics, nitrogen immobilizes in pyrolytic gas. |
| https://www.mdpi.com/2076-3417/11/10/4374/pdf?version=1620805542 |
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