Compensatory measures to reduce GHGs in wastewater treatment plants in Southern Italy

被引：6
|
作者：
Ranieri, Ezio [1 ]
D'Onghia, Gianfranco [1 ]
Ranieri, Francesca [2 ]
Lopopolo, Luigi [1 ]
Gregorio, Sarah [1 ]
Ranieri, Ada Cristina [3 ,4 ]
机构：
[1] Univ Bari, Dipartimento Biol, Bari, Italy
[2] Univ Foggia, Dipartimento Dipartimento Econ Management & Terr, Foggia, Italy
[3] Politecn Bari, Dipartimento Interateneo Fis, Bari, Italy
[4] Univ Int Telemat Uninettuno, Rome, Italy
来源：
JOURNAL OF WATER PROCESS ENGINEERING | 2024年 / 60卷
关键词：
Energy electric; Dioxide carbon; GHG emissions; Methane; Nitrous oxide; Wastewater; GREENHOUSE-GAS EMISSIONS; NITROUS-OXIDE EMISSIONS; MUNICIPAL SOLID-WASTE; OF-THE-ART; METHANE EMISSIONS; ACTIVATED-SLUDGE; MULTIMETAL SOLUTIONS; ENERGY-CONSUMPTION; N2O; REMOVAL;
D O I：
10.1016/j.jwpe.2024.105128
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study evaluates Greenhouse Gas (GHGs) emissions in 183 Wastewater Treatment Plants (WWTPs) located in the Apulia region in Southern Italy. All WWTPs examined treat municipal wastewater. GHGs from each treatment unit were estimated in the current situation and compared, for the same WWTPs, to those emitted after assuming structural compensatory measures to mitigate them. Total GHGs emissions in current estimation have been estimated equal to 83 kg CO2eq/PE & sdot;y and equal to 62 kg CO2eq/PE & sdot;y after upgrade. Some compensatory measures have been also discussed to lower GHGs emitted: the recirculation of sludge thickened in treatment secondary; reduction of biogas systems leakage, aerobic digester and thickener coverage and new system to recovery biogas from anaerobic digester generating energy. All upgrade systems considered result in electrical energy reduction and in significant GHGs emission reduction especially for anaerobic digestion based WWTPs.
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收藏
页数：10
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