Abstract
Abstract Carbon neutrality has become a goal of European Union countries as they held agreement on the European Green Deal; the goal needs to be achieved by 2050. To achieve this goal production industry plays major role as this sector produces considerable amount of greenhouse gas emissions. This paper analyses processes within fish processing industry as the consumption of fish products has increased; therefore, production rate in this area also has been growing. Even more, the consumption of fish products per capita is forecasted to keep increasing for at least the next further years as fish products are great protein source. Thus, it is important to improve efficiency in the fish processing industry, to reduce the amount of emissions, waste and pollution produced in the industry, to evaluate the use of water and energy as well as the resources used in order to achieve sustainable production and carbon neutrality. Data envelopment multicriteria analysis method was used in this research to evaluate energy efficiency in the fish processing industry within sterilization process. The results have shown that the full water immersion autoclave and the water and steam autoclaves are the most efficient from four technologies analysed.
Highlights
Fish product industry is an important food production industry in Latvia
The efficiency of fish production companies is characterized by the amount of resources used, as well as by energy efficiency, technological improvements [2], the possibility to implement principles of the circular economy, including criteria that covers sustainable production
The main aim of this study is to perform an evaluation where technological process sterilization is being analysed by using the multi-criteria analysis (MCA) method data envelopment analysis (DEA) in order to find the most efficient sterilization methods
Summary
Fish product industry is an important food production industry in Latvia. The efficiency of fish production companies is characterized by the amount of resources used, as well as by energy efficiency, technological improvements [2], the possibility to implement principles of the circular economy (e.g., evaluating life cycle of the product [3]), including criteria that covers sustainable production (environmental, engineering, economic, and social aspects). Energy efficiency directly affects various important processes in the company, for example, production costs, labour costs, and resource and delivery costs. European Union (EU) member countries have agreed on the European Green Deal and have set a goal to achieve carbon neutrality by 2050 [4]. Different production industries play an important role in achieving this goal. In order for EU member countries to make the most
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