Article(id=1297161248152515475, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, articleNumber=null, orderNo=null, doi=10.13550/j.jxhg.20250307, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745856000000, receivedDateStr=2025-04-29, revisedDate=null, revisedDateStr=null, acceptedDate=1749052800000, acceptedDateStr=2025-06-05, onlineDate=1787196941650, onlineDateStr=2026-08-20, pubDate=1778774400000, pubDateStr=2026-05-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1787196941650, onlineIssueDateStr=2026-08-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1787196941650, creator=13701087609, updateTime=1787196941650, updator=13701087609, issue=Issue{id=1297161216049308076, tenantId=1146029695717560320, journalId=1296125381406982186, year='2026', volume='43', issue='5', pageStart='929', pageEnd='1184', issueExtLink='null', onlineDate='null', pubDate='1778774400000', pubDateStr='2026-05-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1787196933996, creator='13701087609', updateTime=1787202244949, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1297183491922354645, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1297183491922354646, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1160, endPage=1173, ext={EN=ArticleExt(id=1297161248307704724, articleId=1297161248152515475, tenantId=1146029695717560320, journalId=1296125381406982186, language=EN, title=Preparation of Fe catalyst supported on nitrogen and phosphorus co-doped activated carbon and its wet catalytic performance on piperazine degradation, columnId=null, journalTitle=Fine Chemicals, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Nitrogen and phosphorus co-doped activated carbon-supported iron catalyst (Fe/AC-NP) was synthesized from dicyandiamide, NaH2PO4 and FeCl3•6H2O via two-step impregnation-evaporation method, and subsequently employed for the catalytic degradation of piperazine in aqueous solution. The microstructure, chemical composition and textural properties of Fe/AC-NP were characterized by XRD, SEM, XPS and BET. The effects of raw materials ratio and heteroatom doping type on the chemical oxygen demand (COD) and ammonia nitrogen contents of the catalytic piperazine oxidation degradation by Fe/AC-NP were investigated, while the possible reaction mechanism was analyzed through radical quenching experiments, water contact angle measurements and XPS analyses. The results showed that the Fe/AC-NP prepared with n(C2H4N4)∶n(NaH2PO4)=2∶1 displayed the best properties, with a high specific surface area of 699.647 m2/g, a crystal lattice spacing of 0.0169 nm, and a uniform distribution of iron species without the formation of large agglomerates. The Fe species were successfully loaded and coordinated with N and P atoms, predominantly existing in the forms of Fe(Ⅱ) and Fe(Ⅲ). The optimal reaction conditions of Fe/AC-NP for piperazine degradation were temperature 230 ℃, pressure 1.2 MPa, catalyst dosage (mass concentration, the same below) 1.25 g/L, under which, COD was completely removed within 70 min, and the ammonia nitrogen removal efficiency reached > 88.7% after 150 min. Even after five successive recycles, the COD and ammonia nitrogen removal efficiencies remained high at 96.3% and 84.2%, respectively. The synergistic contribution of graphitic and pyrrolic nitrogen functionalities enhanced oxygen adsorption. The catalytic degradation process was primarily driven by hydroxyl radical chain reactions and facilitated by electron transfer between the carbon support and metal sites. Furthermore, phosphorus doping modulated the surface acidity/basicity and stabilized Fe—N bonds, enabling the N-P co-doped carbon matrix to maintain catalytic activity via electronic regulation throughout the reaction cycles.

, authors=Haoying WU, Zelin MENG, Jianchao MA*, authorsList=Haoying WU, Zelin MENG, Jianchao MA, authorCompany=null, correspAuthors=Jianchao MA, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1297161248714552214, articleId=1297161248152515475, tenantId=1146029695717560320, journalId=1296125381406982186, language=CN, title=氮磷共掺杂活性炭负载Fe催化剂制备及湿式催化降解哌嗪性能, columnId=1297161248391590805, journalTitle=精细化工, columnName=水处理技术与环境保护, runingTitle=null, highlight=null, articleAbstract=

以双氰胺、NaH2PO4和FeCl3•6H2O为主要原料,通过两步浸渍蒸发法制备了氮磷共掺杂活性炭负载Fe催化剂(Fe/AC-NP),并将其用于湿式催化降解哌嗪。采用XRD、SEM、XPS、BET对Fe/AC-NP的微观形貌、结构组成和孔隙参数进行了测定,考察了原料配比、杂原子掺杂类型对Fe/AC-NP催化氧化降解哌嗪的化学需氧量(COD)和氨氮含量的影响。通过自由基猝灭实验、水接触角测试和XPS表征,推测了催化反应的机理和历程。结果表明,由n(双氰胺)∶n(NaH2PO4)=2∶1制备的Fe/AC-NP性能最佳,其比表面积为699.647 m2/g,晶面间距为0.0169 nm,Fe/AC-NP上Fe分布均匀且未形成大颗粒,成功地负载并与N、P相互作用,主要以Fe(Ⅱ)和Fe(Ⅲ)形式存在。Fe/AC-NP湿式催化降解哌嗪的最优反应条件为:反应温度230 ℃、反应压力1.2 MPa、Fe/AC-NP加入量(质量浓度,下同)1.25 g/L。在该条件下,反应70 min即可完全去除COD,反应150 min氨氮去除率>88.7%,循环使用5次后,COD和氨氮去除率可达96.3%和84.2%。石墨氮和吡咯氮协同作用可促进氧气吸附,通过羟基自由基主导的链式反应及碳载体与金属间电子转移机制,实现了污染物的降解。通过掺杂磷调节催化剂的酸碱性,增强了Fe—N键稳定性,同时氮磷掺杂碳载体通过电子调控来维持反应循环。

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吴昊滢(2000—),女,硕士生,E-mail:

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马建超(1980—),男,教授,E-mail:
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氮磷共掺杂活性炭负载Fe催化剂制备及湿式催化降解哌嗪性能
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吴昊滢 , 孟泽霖 , 马建超 *
精细化工 | 水处理技术与环境保护 2026,43(5): 1160-1173
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精细化工 |水处理技术与环境保护 2026 , 43 (5) : 1160 -1173
氮磷共掺杂活性炭负载Fe催化剂制备及湿式催化降解哌嗪性能
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吴昊滢 , 孟泽霖, 马建超*
作者信息
  • 太原理工大学 矿业工程学院,山西 太原 030000
通讯作者:
马建超(1980—),男,教授,E-mail:
作者简介:

吴昊滢(2000—),女,硕士生,E-mail:

Preparation of Fe catalyst supported on nitrogen and phosphorus co-doped activated carbon and its wet catalytic performance on piperazine degradation
Haoying WU , Zelin MENG, Jianchao MA*
Affiliations
  • College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030000, Shanxi, China
出版时间: 2026-05-15 doi: 10.13550/j.jxhg.20250307
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以双氰胺、NaH2PO4和FeCl3•6H2O为主要原料,通过两步浸渍蒸发法制备了氮磷共掺杂活性炭负载Fe催化剂(Fe/AC-NP),并将其用于湿式催化降解哌嗪。采用XRD、SEM、XPS、BET对Fe/AC-NP的微观形貌、结构组成和孔隙参数进行了测定,考察了原料配比、杂原子掺杂类型对Fe/AC-NP催化氧化降解哌嗪的化学需氧量(COD)和氨氮含量的影响。通过自由基猝灭实验、水接触角测试和XPS表征,推测了催化反应的机理和历程。结果表明,由n(双氰胺)∶n(NaH2PO4)=2∶1制备的Fe/AC-NP性能最佳,其比表面积为699.647 m2/g,晶面间距为0.0169 nm,Fe/AC-NP上Fe分布均匀且未形成大颗粒,成功地负载并与N、P相互作用,主要以Fe(Ⅱ)和Fe(Ⅲ)形式存在。Fe/AC-NP湿式催化降解哌嗪的最优反应条件为:反应温度230 ℃、反应压力1.2 MPa、Fe/AC-NP加入量(质量浓度,下同)1.25 g/L。在该条件下,反应70 min即可完全去除COD,反应150 min氨氮去除率>88.7%,循环使用5次后,COD和氨氮去除率可达96.3%和84.2%。石墨氮和吡咯氮协同作用可促进氧气吸附,通过羟基自由基主导的链式反应及碳载体与金属间电子转移机制,实现了污染物的降解。通过掺杂磷调节催化剂的酸碱性,增强了Fe—N键稳定性,同时氮磷掺杂碳载体通过电子调控来维持反应循环。

共掺杂  /  煤基活性炭  /  湿式催化氧化  /  哌嗪  /  羟基自由基  /  水处理技术

Nitrogen and phosphorus co-doped activated carbon-supported iron catalyst (Fe/AC-NP) was synthesized from dicyandiamide, NaH2PO4 and FeCl3•6H2O via two-step impregnation-evaporation method, and subsequently employed for the catalytic degradation of piperazine in aqueous solution. The microstructure, chemical composition and textural properties of Fe/AC-NP were characterized by XRD, SEM, XPS and BET. The effects of raw materials ratio and heteroatom doping type on the chemical oxygen demand (COD) and ammonia nitrogen contents of the catalytic piperazine oxidation degradation by Fe/AC-NP were investigated, while the possible reaction mechanism was analyzed through radical quenching experiments, water contact angle measurements and XPS analyses. The results showed that the Fe/AC-NP prepared with n(C2H4N4)∶n(NaH2PO4)=2∶1 displayed the best properties, with a high specific surface area of 699.647 m2/g, a crystal lattice spacing of 0.0169 nm, and a uniform distribution of iron species without the formation of large agglomerates. The Fe species were successfully loaded and coordinated with N and P atoms, predominantly existing in the forms of Fe(Ⅱ) and Fe(Ⅲ). The optimal reaction conditions of Fe/AC-NP for piperazine degradation were temperature 230 ℃, pressure 1.2 MPa, catalyst dosage (mass concentration, the same below) 1.25 g/L, under which, COD was completely removed within 70 min, and the ammonia nitrogen removal efficiency reached > 88.7% after 150 min. Even after five successive recycles, the COD and ammonia nitrogen removal efficiencies remained high at 96.3% and 84.2%, respectively. The synergistic contribution of graphitic and pyrrolic nitrogen functionalities enhanced oxygen adsorption. The catalytic degradation process was primarily driven by hydroxyl radical chain reactions and facilitated by electron transfer between the carbon support and metal sites. Furthermore, phosphorus doping modulated the surface acidity/basicity and stabilized Fe—N bonds, enabling the N-P co-doped carbon matrix to maintain catalytic activity via electronic regulation throughout the reaction cycles.

co-doping  /  coal-based activated carbon  /  wet catalytic oxidation  /  piperazine  /  hydroxyl radicals  /  water treatment technology
吴昊滢, 孟泽霖, 马建超. 氮磷共掺杂活性炭负载Fe催化剂制备及湿式催化降解哌嗪性能. 精细化工, 2026 , 43 (5) : 1160 -1173 . DOI: 10.13550/j.jxhg.20250307
Haoying WU, Zelin MENG, Jianchao MA. Preparation of Fe catalyst supported on nitrogen and phosphorus co-doped activated carbon and its wet catalytic performance on piperazine degradation[J]. Fine Chemicals, 2026 , 43 (5) : 1160 -1173 . DOI: 10.13550/j.jxhg.20250307
  • 国家重点研发计划项目(2019YFC0408604-4)
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doi: 10.13550/j.jxhg.20250307
  • 接收时间:2025-04-29
  • 首发时间:2026-08-20
  • 出版时间:2026-05-15
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  • 收稿日期:2025-04-29
  • 录用日期:2025-06-05
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国家重点研发计划项目(2019YFC0408604-4)
作者信息
    太原理工大学 矿业工程学院,山西 太原 030000

通讯作者:

马建超(1980—),男,教授,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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