Combined distiller waste utilisation and combustion gases desulphurisation method

Tomasz Kasikowski, Roman Buczkowski, Marcin Cichosz and Eliza Lemanowska

Resources, Conservation & Recycling, 2007, vol. 51, issue 3, 665-690

Abstract: In this paper, a concept of technology that can be helpful for lowering the negative influence of the synthetic (based on the Solvay process) soda ash plant on the natural environment is presented. We describe the desulphurisation of combustion gases from the factory's power plant, which is based on their absorption in the overflow of distiller waste. The excess of lime milk, which is added in the process of ammonia regeneration from filter liquor, results in a strong alkalinity of distiller waste. The high pH of distiller waste favours absorption of acidic combustion gases. The laboratory-scale tests showed about 80% efficiency of the desulphurisation process. The suspension samples we obtained consist mainly of CaCO3. We suggest using the obtained solid phase as an adsorbent-insert in Fluidised Bed Combustion technology (FBC).

Keywords: Solvay method improvement; Desulphurisation; Absorption; Eco-cost estimation (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:recore:v:51:y:2007:i:3:p:665-690

DOI: 10.1016/j.resconrec.2006.11.009

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