Baseline and symbiotic life-cycle assessment boundaries for data centre–WWTP integration. (IMAGE)
Caption
Baseline and symbiotic life-cycle assessment boundaries for data centre–WWTP integration.Comparison of the baseline (a) and symbiotic (b) scenarios for a data centre and a wastewater treatment plant (WWTP). In the baseline, the two facilities operate independently: the data centre relies on freshwater for cooling, and the WWTP discharges treated effluent. In the symbiotic scenario, treated WWTP effluent (after tertiary treatment) replaces freshwater for data centre cooling, while waste heat from the data centre is recovered to support anaerobic digestion and sludge drying in the WWTP. Grey shading highlights the added infrastructure (pipes, pumps, heat exchangers) enabling the symbiosis. Arrows indicate water, electricity, material, and heat flows.
Credit
Environmental Science and Ecotechnology
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