this study investigated different concepts for natural-gas-fired power plants with the co2capture, and compared them based on the net plant efficiency and emission of co2. the cycles were based ona six oxy-fuel, one post-combustion and two pre-combustion capture concept. this paper presented theresults of an environmental evaluation performed by the application of the life cycle analysis (lca) ...

The amount of waste in the world continues to increase framework population, purchasing power and technological developments since past years this necessitates need for sustainable integrated management waste. disposal without being used recycling recovery process causes serious resource losses, both materially energy. "zero waste" movement has recently gained importance as an alternative domin...

Massive CO 2 removals will be necessary to avoid climate tipping. Comparing with past, current and future carbon stocks flows reveals the importance of avoiding fossil emissions completely developing scalable technical solutions.