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Application of Pd-Sn modified Ru-Ir electrode for treating high chlorine ammonia-nitrogen wastewater https://doi.org/10.1080/09593330.2022.2137434 |
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jafuson: ½ð±Ò+10 2022-12-23 09:22:05
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Application of Pd-Sn modified Ru-Ir electrode for treating high chlorine ammonia-nitrogen wastewater ×÷Õß: Yang, ZX (Yang, Zhen-xing) [1] , [2] ; Xie, WY (Xie, Wen-yu) [1] ; Ye, FF (Ye, Fang-fang) [1] ; Li, DH (Li, De-hao) [3] DOI10.1080/09593330.2022.2137434 ÔÚÏß·¢±íOCT 2022 ÒÑË÷Òý2022-11-13 ÎÄÏ×ÀàÐÍReview; Early Access ÕªÒª Electro-catalytic technology is a promising approach for wastewater treatment, owing to its easy operation, minimal generation of secondary pollution, small foot-print and rapid start-up. In this work, the chlorine evolution potential of the Pd-Sn modified ruthenium(Ru)-iridium(Ir) electrode was investigated for the electro-catalytic treatment of high chlorine ammonia-nitrogen wastewater. The effect of reaction conditions on the removal of ammonia-nitrogen, kinetics and apparent activation energy of ammonia-nitrogen removal were studied. The possible denitrification process of high chlorine ammonia-nitrogen wastewater was discussed. The results indicated that the chlorine evolution potential of the Pd-Sn modified Ru-Ir electrode was 1.0956 V(vs. SCE). The electro-catalytic treatment of high chlorine ammonia-nitrogen conformed to zero-order kinetic law, and the apparent activation energy of removal process was 14.089 kJ/mol. With a current was 0.5 A, the removal efficiency of ammonia-nitrogen could achieve 100% at a reaction time of 40 min. Indirect oxidation played an essential role in the electro-catalytic ammonia-nitrogen removal using the Pd-Sn modified Ru-Ir electrode. This paper demonstrated that the electro-catalytic technology was a promising approach for efficiently treating the high chlorine ammonia-nitrogen wastewater. ¹Ø¼ü´Ê ×÷Õ߹ؼü´ÊElectro-catalytic technologyPd-Sn modified Ru-Ir electrodehigh chlorine ammonia-nitrogen wastewaterammonia-nitrogen removalindirect oxidation Keywords PlusELECTROCHEMICAL TREATMENTLANDFILL LEACHATEREMOVALOXIDATIONREACTORNITRIFICATIONDEGRADATIONCARBONPHOSPHATERECOVERY ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ· Xie, Wen-yu (ͨѶ×÷Õß) Guangdong Univ Petrochem Technol, Guangdong Prov Key Lab Petrochem Pollut Proc & Co, Maoming 525000, Guangdong, Peoples R China µØÖ· 1 Guangdong Univ Petrochem Technol, Guangdong Prov Key Lab Petrochem Pollut Proc & Co, Maoming 525000, Guangdong, Peoples R China 2 China Univ Petr, Beijing Key Lab Oil & Gas Pollut Control, Beijing, Peoples R China 3 Yangjiang Vocat & Tech Coll, Yangjiang, Peoples R China µç×ÓÓʼþµØÖ·gdmmxwy@163.com Àà±ð/·ÖÀà Ñо¿·½ÏòEnvironmental Sciences & Ecology ÒýÎÄÖ÷Ìâ 2 Chemistry 2.90 Water Treatment 2.90.313 Electrocoagulation ÎÄÏ×ÐÅÏ¢ ÓïÖÖEnglish Èë²ØºÅWOS:000873333700001 PubMed ID36250397 ISSN0959-3330 eISSN1479-487X ÆäËûÐÅÏ¢ IDS ºÅ5P7NQ À´×Ô MEDLINE® µÄ·ÖÖ÷Ìâ×Ó¿âIndex Medicus |

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