Abstract
Compressed air is one of the most common systems used in industry. In countries such as Australia, Italia, France, China and USA, energy consumption of compressed air systems contributes about to 10% of the total electricity consumption in industry. In Colombia, this value reaches 8%, highlighting the textile industry, with a 24% of consumption. Despite of all its advantages, compressed air is expensive, between 10-30% of consumed energy reaches the end-use point. Improvements to compressed air systems can achieve between 20-60% of energy savings, with pay-back periods lower than two years. These are the reasons that they can be considered as one of the main targetsystems while planning energy efficiency actions in industry. Colombia through different strategies has proposed to implement a group of measures to improve energy efficiency and reduce electricity consumption to 2021 around 7 %. Implementation of good practices in compressed air systems is one of them. This paper is showed the share cost, electricity consumption and the savings potential of the compressed air systems in the different divisions of the Colombian manufacturing sector, the main sectors to be involved as well as the potential savings and reduction of dioxide carbon emissions.Keywords: Compressed air systems, electricity consumption, energy efficiency.JEL Classifications: Q47, L94, N66DOI: https://doi.org/10.32479/ijeep.8084
Highlights
Worldwide energy consumption increased 10.5% from 2011 to 2016, this behavior will continue, increasing by 35% from 2012 to 2040 (B.P Energy Outlook, 2018; Chikunov et al, 2018)
Colombia government has proposed a group of measures to improve energy efficiency and reduce electricity consumption by 2021 around 7%, enacting laws and national resolutions such as National Development Plan (PND), the indicative action plan (PROURE), the Colombian Low Carbon Development Strategy (ECDBC) and Law 1715 (Ocampo et al, 2018)
Three divisions consume the 60% of compressed air systems (CASs) electricity and the total energy savings reach 284.1 GWh/year being the manufacture divisions with most impact the food products with 73.5 GWh/year, rubber and plastics products with 49.3 GWh/year and textiles with 41.7 GWh/year. If it is considered the relationship between the savings potential and the number of companies in these three divisions, to analyze the impact in each company, it can be observed that the implementation of energy efficiency measures in the CASs will have the greater impact in textile manufactures
Summary
Worldwide energy consumption increased 10.5% from 2011 to 2016, this behavior will continue, increasing by 35% from 2012 to 2040 (B.P Energy Outlook, 2018; Chikunov et al, 2018). Colombia government has proposed a group of measures to improve energy efficiency and reduce electricity consumption by 2021 around 7%, enacting laws and national resolutions such as National Development Plan (PND), the indicative action plan (PROURE), the Colombian Low Carbon Development Strategy (ECDBC) and Law 1715 (Ocampo et al, 2018). These policies are focused on the objectives proposed in COP 21 in order to reduce 20% of GHG for 2030 considering an inertial scenario (Berruezo and Jiménez, 2017). This paper analyzes the energy efficiency measures that can be applied for CASs in Colombian manufacturing sector, the potential savings that its implementation would have for each of the manufacture divisions and the departments of the country where this measure would have the greatest impact
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