# Performance evaluation of an integrated pyrolysis-distillation reactor for in-situ wax-like oil elimination from polypropylene waste
> Longdong C.F.

URL kanonis: https://discover.unhas.ac.id/publications/pub_scopus_105031094731
Jurnal / Konferensi: Ecological Engineering and Environmental Technology
Tahun terbit: 2026
DOI: https://doi.org/10.12912/27197050/217577
ISSN: 27197050
Kuartil SJR: Q3
Citations: 0

## Authors
- Longdong C.F.

## Abstract
The pyrolysis efficiency of plastic waste into fuel is generally constrained by the formation of wax-textured oil fractions.So it requires a catalyst or a separate advanced distillation process to obtain a liquid-phase oil fraction, which adds to production costs.In this study, a design for an integrated pyrolysis-distillation reactor configuration with fractional condensation was developed to enable low-temperature operation by applying a dissected energy system.This study aims to identify empirical elimination patterns of wax-like oils via slow-heating-rate control in an integrated reactor at low temperatures.To achieve this goal, polypropylene (PP) plastic pyrolysis-distillation experiments were carried out with slow heating rate control (2 °C/min), low-temperature operational application (200 °C, 250 °C, and 300 °C), and the visual physical characteristics of the oil fraction produced without the formation of a waxy textured oil fraction.The fractional condensation of the oil phase produced in condenser 1 is clear golden yellow, and that from condenser 2 is light clear yellow, similar to the gasoline and kerosene fuel groups in the light-medium fraction with carbon bonds C5 to C16.Meanwhile, the oil phase in condenser 3 is clear reddish-brown, similar to the diesel fuel group in the medium fraction, with carbon bonds ranging from C15 to C20.The results of this study can contribute to the development of large-scale pyrolysis reactors that are more efficient, lower-cost, and capable of producing high-quality liquid fuel without wax-like oil.

## Keywords
- Waste management
- Polypropylene
- Environmental science
- Materials science
- Process engineering
- Pulp and paper industry
- Raw material
- Production (economics)
- Petroleum
- Metallurgy

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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