Life cycle inventory data generation by process simulation for conventional, feedstock recycling and power-to-X technologies for base chemical production

Keller, Florian; Soliz, Patricio Mamani; Seidl, Ludwig Georg; Lee, Roh Pin; Meyer, Bernd

doi:10.1016/j.dib.2022.107848

Cited by 8 publications

(1 citation statement)

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“…This process requires a high level of waste separation and large amounts of energy [77]. One of the key parameters is the yield of the desired chemical, and some expected values are reported to be equal to about 0.378 m 3 of biofuel per dry t of rMSW [78], while values expected from theoretical simulations of similar processes are reported to be up to 677 kg of methanol per t of RDF [79], corresponding to 0.855 m 3 of methanol per t of RDF. Despite the long timeline of the operation of the plant in Edmonton, there is little public information on the effective yields of the process, the consumption of the plant and the quality of the feed flow.…”

Section: Waste To Chemicalsmentioning

confidence: 99%

Energy Recovery from Residual Municipal Solid Waste: State of the Art and Perspectives within the Challenge to Climate Change

Lombardi,

Castaldi

2024

Energies

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Among the technologies for the recovery of energy from waste, in particular residual municipal solid waste (rMSW), combustion is the most widely used thermo-chemical treatment process associated with thermal and electric power production by a steam cycle, named, shortly, Waste to Energy (WtE). Today, more than 500 WtE plants in the EU, about 400 in China and 76 in the USA are in operation, based on efficient technologies and advanced air pollution control systems. Energy recovery can be accomplished also by means of gasification; however, the presence of impurities together with the atmospheric pressure, at which syngas is normally produced, impose the feeding of syngas to a conventional steam cycle, leading to generally lower performances than WtE. The energy recovered by WtE offsets traditional energy sources such as fossil fuels and related emissions, providing savings in term of climate change. However, the savings obtainable by replacing electricity and/or heat will diminish as the energy systems will hopefully become increasingly renewable. Over this medium–long-term horizon, one possibility is to capture the CO2 from WtE flue gases and to store/use it. From the life cycle assessment perspective, it has been calculated that the introduction of CO2 capture and storage in WtE, despite energy penalties, is able to reduce the impact on climate change. The alternative approach, proposed to contain the emissions of greenhouse gases in the thermal treatment of waste, is using the carbon contained in it to produce commonly used chemical compounds (waste to chemicals). The benefits, in terms of reductions of greenhouse gases, are expected from the possibility of obtaining chemicals that can replace their analogue normally produced from fossil sources. To date, only one WtC demonstration plant is operating by being fed by rMSW-derived waste, and some similar initiatives are planned, but still adequate assurances in terms of robust knowledge of the involved complex processes, above all, if applied to highly inhomogeneous feed streams such as those obtained from rMSW, are not available. Once the several initiatives come to completion, it will enable waste management professionals to assess performance and to begin to consider such a facility in their planning.

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Section: Waste To Chemicalsmentioning

confidence: 99%