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In line with global trends and concerns regarding pollution and climate change, the transition towards non-polluting energy sources is on the rise, favoring clean/renewable energy while reducing reliance on fossil fuels, particularly coal. This shift is essential for lowering carbon emissions and mitigating climate change. Governmental efforts, through policies and regulations (such as carbon taxes and subsidies for renewables), focus on decarbonizing the energy economy. Meanwhile, companies are investing in renew...

The major changes occurred in Romanian mining industry imposed by the transition to the market economy, concentration of extraction to fewer output units in deeper seams, the high gas emission rates and coal rank, other current specific trends requires new methods to produce the optimum design and operation of a safe and economic methane drainage system. Under the circumstances, the paper describes a mathematical model together with a computer-aided optimization strategy to assist the analysis of the differences b...

The objective of mine closure is to prev ent or minimize long-term environmental damage, and to create a self-sustaining natural ecosystem or other land use based on an agreed set of objectives. The Romanian mine closure legislation s hould be enforced in the coming years for taking best follow up actions and management of post mining closure. The mine closure is a process which should begi ns during the pre-feasibility phase of a project and continues through operations to lease relinquishment. The closure of min...