Utilisation of eggshell membrane as an adsorbent for carbon dioxide
by Arghya Banerjee, Sriparna Panda, Manojit Sidhantha, Sampa Chakrabarti, Basab Chaudhuri, Sekhar Bhattacharjee
International Journal of Global Warming (IJGW), Vol. 2, No. 3, 2010

Abstract: Carbon dioxide (CO₂) is a major greenhouse gas responsible for global warming. This work aims to explore a cheap and easy way for CO₂ adsorption from the atmosphere, by using an eggshell membrane. Eggshell membrane could be used up to four times with intermediate regeneration with acetic acid solution. Atomic absorption spectrophotometer (AAS) analysed the amount of CO₂ adsorbed as equivalent calcium (Ca) present in calcium carbonate (CaCO₃). An average of 6824 mg COCO₂ could be adsorbed per g of eggshell membrane. Scanning electron micrograph (SEM) was used to analyse the surface morphology of the fresh and regenerated eggshell membrane.

Online publication date: Fri, 22-Oct-2010

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