Minimization of energy consumption of COmineralization using recyclable ammonium salts

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Mineral carbonation by aqueous pH swing using recyclable ammonium salts is a promising process to permanently sequester CO2 into stable carbonates. The ammonium salts are separated from the water solution and thermally regenerated at 300°C. Ammonium salts - water separation by thermal evaporation represents an energy intensive step, which limits the deployment of this technology. To overcome this challenge, the feasibility of using liquid-liquid extraction as an alternative salts/water separation process was evaluated here. The associated energy consumption was calculated, resulting in an energy saving between 26% and to 43% in comparison to water evaporation step depending on the conditions employed, and further research is required to optimise this process.

Original languageEnglish
Title of host publication5th International Conference on Accelerated Carbonation for Environmental and Material Engineering 2015
PublisherAIChE
Pages443-446
Number of pages4
ISBN (Electronic)9781510815490
Publication statusPublished - 2015
Event5th International Conference on Accelerated Carbonation for Environmental and Material Engineering 2015 - New York, United States
Duration: 21 Jun 201524 Jun 2015

Conference

Conference5th International Conference on Accelerated Carbonation for Environmental and Material Engineering 2015
Abbreviated titleACEME 2015
Country/TerritoryUnited States
CityNew York
Period21/06/1524/06/15

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

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