Technical efficiency of SO2 scrubbers with byproduct contracts

Qingxin He and Jonathan Lee

Economics Letters, 2024, vol. 245, issue C

Abstract: This paper explores the impact of synthetic gypsum, a byproduct of sulfur dioxide (SO2) abatement, on the technical efficiency of SO2 scrubber technology. On average SO2 scrubbers are 60% efficient suggesting substantial emission reductions are possible by narrowing the efficiency gap. Gypsum marketability provides an economic incentive for improved power-plant operation of scrubbers with 8.8% average increases in technical efficiency. By contrast, we do not find any statistically significant evidence of innovative change in scrubbing technology.

Keywords: Coal combustion byproducts; FGD gypsum; Sulfur dioxide (SO2) emissions; Scrubber; Technical efficiency; Innovation (search for similar items in EconPapers)
JEL-codes: L78 L94 Q52 Q55 (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecolet:v:245:y:2024:i:c:s0165176524005330

DOI: 10.1016/j.econlet.2024.112049

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