Abstract
Controlling the life cycle of natural resources, from extraction within the design and the production of products to handling waste, is crucial to green growth and is a part of advancing a resource-efficient, circular economy where everything is fully utilised. One way of using resources more efficiently for a greener economy is to design a production process that takes cost and energy savings into account. From this point of view, the goal of the article is to create a causal description of sustainable woodworking—especially using renewable and non-renewable resources—in relation to changes in the concentration levels of CO2 in the atmosphere. After estimating the partial parameters, this model can be used to predict or simulate different CO2 concentration levels in the atmosphere—for example, based on the ratio of renewable to non-renewable sources. After a theoretical description, the subsequent practical goal is to identify the optimal settings of wood-milling process parameters for either minimising energy consumption per workpiece and unit variable costs or for maximising the overall customer benefit. For this purpose, a complete factorial design was used, and based on this, the consumption energy (direct cost) optimisation of the production process was supplemented by a profitable production calculation. The effect of reducing variability was verified using a statistical F-test. The impact of minimising energy consumption (economically expressed as the mean profit) was then validated using a Student’s t-test.
Highlights
The way society currently produces energy is not sustainable [1]
This is the basis of the general transformation process, which is implemented with the participation of all available renewable resources: energy material, transferable knowledge and personnel
Sustainable development is a method for developing a society that reconciles economic and social progress with the preservation of the environment
Summary
With the increase in greenhouse gas emissions, the world is witnessing the continuous melting of polar ice caps and frequent extreme weather events due to global warming [2]. These effects of global warming have seriously threatened the lives and productivity of humans; the control and reduction of greenhouse gas emissions has become an urgent problem [2,3]. Warming will continue for decades to come, even if we stabilise the carbon dioxide concentration level in the atmosphere at the current level. We must avoid increasing concentrations above 450 ppm, and according to the Paris Climate Agreement (2015), it is necessary to limit the temperature increase to 1.5 ◦C to avoid drastic social changes
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