Abstract This paper reviews metal enrichment processes - processes that transport gas from the galaxies to their environment and enrich the environment in this way with metals. The efficiency of the processes is important for the evolution of both the galaxies and their environment. Various processes can contribute to the gas transfer: ram-pressure stripping, galactic winds, AGN outflows, galaxy-galaxy interactions and others. It seems that all the processes can contribute to the enrichment. There is not a single process that always dominates the enrichment. The efficiencies of the processes vary strongly with galaxy and environmental properties.
Keywords galaxies: evolution galaxies: clusters: general intergalactic medium X-rays: galaxies: clusters
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