Single-use-plastics (SUP) waste has become a grave problem as it is almost impossible to recycle practically due to its lower specific weight, collection, segregation, and treatment issues. One of the promising options to treat SUP waste is to produce valuable petroleum-like fuels through pyrolysis technology. In the current study, mixed SUP waste generated at Indian Railways was pyrolyzed to obtain raw pyro-oil (RPO), pyro-gas, and pyro-char. The recovery rate of raw oil during production processes varied between 57 and 66%. Produced fuels were analyzed as per ASTM standards to assess their physio-chemical properties like density, viscosity, flash and fire point, cloud and pour point, calorific value, ultimate analysis, and gas chromatography for understanding their use as transportation fuels. Hence, the current study aims to address the above issues by treating real-time single-use-plastic mixed waste on large-scale without segregation and inert gas usage, by thermo-chemical de-polymerization technology, so that the system would become sustainable and economically viable.

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An Attempt to Produce Pyro-Fuels from Indian Railways’ Mixed Single-Use-Plastic Waste

  • Sachinkumar Makwana,
  • Venkateswarlu Chintala

摘要

Single-use-plastics (SUP) waste has become a grave problem as it is almost impossible to recycle practically due to its lower specific weight, collection, segregation, and treatment issues. One of the promising options to treat SUP waste is to produce valuable petroleum-like fuels through pyrolysis technology. In the current study, mixed SUP waste generated at Indian Railways was pyrolyzed to obtain raw pyro-oil (RPO), pyro-gas, and pyro-char. The recovery rate of raw oil during production processes varied between 57 and 66%. Produced fuels were analyzed as per ASTM standards to assess their physio-chemical properties like density, viscosity, flash and fire point, cloud and pour point, calorific value, ultimate analysis, and gas chromatography for understanding their use as transportation fuels. Hence, the current study aims to address the above issues by treating real-time single-use-plastic mixed waste on large-scale without segregation and inert gas usage, by thermo-chemical de-polymerization technology, so that the system would become sustainable and economically viable.