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Updated: Jan 21, 2026
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Fast Pyrolysis of Biomass Residues in a Twin-screw Mixing Reactor
Published on: September 9, 2016
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Mexican biomasses valorization through pyrolysis process: Environmental and costs analysis.
M M Parascanu1, P Sánchez1, G Soreanu2
1University of Castilla-La Mancha, Department of Chemical Engineering, Avda. Camilo José Cela, 12, 13071 Ciudad Real, Spain.
Waste Management (New York, N.Y.)
|July 29, 2019
Summary
Pinus sawdust pyrolysis shows the lowest environmental impact among Mexican biomasses. Despite environmental concerns, coffee pulp pyrolysis is financially viable, offering a sustainable waste management solution.
Area of Science:
- Environmental Science
- Chemical Engineering
- Sustainable Energy
Background:
- Biomass valorization via pyrolysis offers a sustainable alternative for waste management and energy production.
- Evaluating the environmental footprint of different biomass feedstocks is crucial for optimizing green technologies.
- Mexican agricultural residues present a significant opportunity for bioenergy development.
Purpose of the Study:
- To compare the environmental performance of castor husk, coffee pulp, and Pinus sawdust valorization through pyrolysis.
- To assess the environmental impacts associated with the equipment used in the pyrolysis process.
- To determine the financial viability of coffee pulp pyrolysis technology.
Main Methods:
- Life Cycle Assessment (LCA) was employed to evaluate environmental impacts.
- Key performance indicators including Global Warming Potential (GWP) were analyzed.
- Economic analysis was conducted for coffee pulp pyrolysis.
Main Results:
- Pinus sawdust exhibited the lowest environmental impact, followed by castor husk and coffee pulp.
- Global Warming Potential (GWP) exceeded 700 kg CO2eq for all studied biomasses, primarily due to CH4 and CO2 emissions.
- The separator, pyrolyzer, and cyclone were identified as equipment with the highest environmental impact.
- Coffee pulp pyrolysis demonstrated financial viability despite its environmental performance.
Conclusions:
- Pinus sawdust is the most environmentally favorable biomass for pyrolysis among the studied options.
- Pyrolysis technology, even for less favorable biomasses like coffee pulp, is financially sustainable.
- Addressing equipment-related emissions is key to improving the overall environmental performance of biomass pyrolysis.
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