“Gray Carbon” in Sewage Treatment Plants: A Neglected Carbon Sink
Yabing Meng,
Xin Du,
Nianzhi Jiao
Abstract:This study introduces the concept of “gray carbon,” emphasizing its critical role in carbon sequestration in sewage treatment. By focusing on recalcitrant dissolved organic carbon (RDOC) in sewage effluents and its subsequent transformation in marine environments, we underscore the significant impact of sewage-derived organic carbon on the efficiency of carbon sequestration. Through analysis of carboxylic-rich alicyclic molecules, this study illuminates the convergence in the molecular compositions of RDOC acr… Show more
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