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Technical polygeneration potential in palm oil mills in Colombia: A case study
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.ORCID iD: 0000-0002-3950-0809
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Energy and Climate Studies, ECS.ORCID iD: 0000-0001-7972-0876
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.ORCID iD: 0000-0002-3661-7016
2013 (English)In: Sustainable Energy Technologies and Assessments, ISSN 2213-1388, Vol. 3, 40-52 p.Article in journal (Refereed) Published
Abstract [en]

Agricultural residues offer the possibility of reducing fossil fuel consumption, increasing energy security, and lowering  greenhouse gas emissions. However, certain residues, like palm oil residues, either represent a disposal problem for the processing industries or they are not used and thus, there is a considerable potential for improvement. These factors represent a strong driving force for the development of innovative polygeneration plants based on solid residues. This paper considers an energy analysis of a Palm Oil Mill (POM) in Colombia processing 30 ton of Fresh Fruit Bunch per hour (FFB/h).  Different heat and power generation options were considered with solid residues as feedstock. These configurations included steam cycles using backpressure or condensing-extraction turbines.  The possibilities to produce pellets from the residues and biodiesel from palm oil were also analyzed.  The steam cycle base operational parameters were 20 bar and 350 °C. More advanced steam conditions (40 bar) were also considered. The results show that it is possible to cover the demand of the POM and the required energy demand for residues preparation including possible pelletization and also biodiesel production. It is possible to obtain an excess of electricity between 0.4 and 3 MW if only residues are used.

Place, publisher, year, edition, pages
Elsevier, 2013. Vol. 3, 40-52 p.
Keyword [en]
Bioenergy, polygeneration, palm oil residues, biodiesel, palm oil
National Category
Energy Engineering
URN: urn:nbn:se:kth:diva-123673DOI: 10.1016/j.seta.2013.05.003ScopusID: 2-s2.0-84879804175OAI: diva2:628476
Sida Project SWE-2005-386.
Sida - Swedish International Development Cooperation Agency, 2005-386

QC 20130625

Available from: 2013-06-14 Created: 2013-06-14 Last updated: 2016-04-19Bibliographically approved
In thesis
1. On the optimal use of industrial-generated biomass residues for polygeneration
Open this publication in new window or tab >>On the optimal use of industrial-generated biomass residues for polygeneration
2014 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Increasing energy demand as well as climate change concerns call for an analysis and optimization of energy services. Efficient use of energy resources, mitigation of environmental effects and supply an increasing demand are just some of the issues that are relevant nowadays in the energy system. In this regard, worldwide efforts are being made to increase the use of renewable energy and to promote energy efficiency measures in order to reduce the emission of greenhouse gases.

Thus, sustainable solutions that take a holistic approach on covering the demands of the society are needed.  The work presented herein addresses the use of industrial derived biomass residues for energy purposes in different contexts. The analysis was focused on: a) different alternatives to use solid palm oil residues in the Colombian mills for energy purposes including services b) the possibilities of implementing biomass-based heat and power plants in the Swedish energy system and their integration with already established biomass processing industries for polygeneration purposes.

The assessment of the palm oil residues consisted on a technical analysis of the possible alternatives for electricity, heat, and biofuels production. For that, a thermodynamic approach was used to evaluate different alternatives.  The assessment of biomass power plant integrated with the Swedish industry considered the thermodynamic, economic and environmental factors associated with certain energy conversion technologies. In this case a multiobjective optimization methodology was used to perform the thermoeconomic analysis. This allowed the evaluation of two contrasting scenarios were polygeneration at industrial level could be suggested: a less economically developed country where environmental policies are limited and industrial energy efficiency has not been implemented and a high income country with energy and environmental policies well established and energy efficiency measures being encouraged.

Results show that the palm oil industry in Colombia has the capacity of being self-sufficient to cover of all their energy needs using the solid residues available. In the case of the thermoeconomic assessment of biomass-based integrated polygeneration plants in Sweden the results indicate that it is feasible to produce power while supplying the process steam required by nearby industries and district heating.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2014. xx, 100 p.
TRITA-KRV, ISSN 1100-7990 ; 2014:01
Polygeneration, Optimization, Palm Oil, Biomass, forest residues, Colombia, Sweden
National Category
Energy Engineering
urn:nbn:se:kth:diva-140312 (URN)978-91-7501-990-1 (ISBN)
Public defence
2014-02-04, B3, Brinellvägen 23, KTH Royal Institute of Technology, Stockholm, 10:00 (English)
Sida - Swedish International Development Cooperation Agency, SWE-2005-386Swedish Energy Agency, P30148

QC 20140121

Available from: 2014-01-21 Created: 2014-01-20 Last updated: 2014-01-21Bibliographically approved

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