Abstract
The industry sector has a significant responsibility for the depletion of fossil fuels and emission of carbon dioxide. Thus, several initiatives have been implemented by the industry sector to mitigate those issues. One initiative corresponds to the implementation of energy efficiency strategies. In particular, the food industry is heavily dependent on fossil fuels, and the food demand is expected to grow significantly in the coming years. Therefore, developing energy efficiency strategies for this particular industrial sector is crucial. This paper investigates the different opportunities for energy efficiency in the food industry. It first provides a brief overview of the various food industries and related energy consumption. Then, the different options for energy efficiency in the thermal and electric sector are discussed. New trends and opportunities, arising from industry 4.0 and demand response, are also presented.
Highlights
Environmental concerns and fossil fuel depletion are forcing the development of policies to reduce greenhouse gas (GHG) emissions
Fossil fuels correspond to 80% of the total worldwide energy usage, and half of all electricity generated comes from fossil fuelled plants [1], [2]
The amount of energy used is different in each country, in developing countries, the energy consumed by the food industry is generally very high
Summary
Environmental concerns and fossil fuel depletion are forcing the development of policies to reduce greenhouse gas (GHG) emissions. Fossil fuels correspond to 80% of the total worldwide energy usage, and half of all electricity generated comes from fossil fuelled plants [1], [2] Another policy includes industrial energy efficiency [3], which is a major concern in developing countries, and it is defined as the ratio of service output of a process to the energy input into that process [2]. Clairand et al.: Review of Energy Efficiency Technologies in the Food Industry: Trends, Barriers, and Opportunities of fertilizers to grow crops [15]. The aim of this paper is to identify the main technologies of energy efficiency in food industry It explains the typical strategies, highlighting the new trends, barriers, and opportunities.
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