Abstract
Comparative Assessment of Environmental Effects by LCA Method of Natural Aggregates Extraction Processes and Production of their Substitutes from Waste in the City Mining System
Highlights
Since the great industrial revolution, the quality of life of societies has been steadily improving
The results of the first phase of the study definitively proved the environmental benefits of producing natural aggregate substitutes from recyclates
All examined parameter values for natural aggregate production were higher than those calculated for recycled aggregate production
Summary
Since the great industrial revolution, the quality of life of societies has been steadily improving. In spite of the many successes in this field, it is increasingly becoming apparent that these processes have resulted in a significant impoverishment and deterioration of the quality of the natural environment. The cause of this state of affairs is the excessive use of substrates for the production of new goods, which reduces natural resources. In almost all sectors of the economy, whether it is construction, knitting or automotive industry, items which have not lost their usefulness are sent to landfills to be replaced by new ones, e.g. only for aesthetic reasons. Over-consumption increases the demand for new products, producers meet the demand by drawing further resources from the environment, and the amount of products deposited in landfills continues to grow
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