铁、氮共掺杂生物炭催化过氧化尿素降解水中罗丹明B的研究

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中图法分类号：X703 文献标识码：A 文章编号：1000-2324（2025）04-0573-09

Degradation of Rhodamine B by Urea Hydrogen Peroxide Catalyzed with Iron-nitrogen Co-doped Biochar

XU Xiao-dong'， LI Yu -pingl，LIU Lu1 ， ZHANG Yue-mei'，DONG Jing1*，LI Li²* 1.CollegeofhemistryandaterialScience/ShandongAgriculturalUniversityTai'an2718，China 2.Shandong5thGeo-mineralProspectingInstitute，Tai'an271018，China Abstract： Rhodamine B（RhB）exhibitscarcinogenic，teratogenic，and mutagenic effects，posing significant hreats tohuman health and theenvironment.This study prepares iron-nitrogen co-doped biochar （Fe-N-C）through aone-pot method using pomelo peel as the carbon source，urea as the nitrogen precursor，and ferric chloride hexahydrate （FeCl3⋅6H2O） as the iron source.SEM，FT-IR，XRD，XPS，andBET techniques indicate thatFeand are uniformly dispersed on the biochar surface， with a specific surface area reaching 79.89m2/g .Under optimal conditions 50mg/L RhB， 100mg/L catalyst， 50mg/L UHP， 20∘C ， pH=6 ），thedegradationrateofRhB reaches 99.31% within 30min when using Fe-N-C asa catalyst for RhB degradation in water.This provides asolution for rapid the rapid treatment oforganic dyes in wastewater.

Keywords：Biochar;urea-hydrogen peroxide;RhodamineB;degradation

罗丹明B（RhB）是一类典型的阳离子有机染料，具有水溶性高、色度强、性质稳定等特点，在印染、纺织、医疗等领域有着广泛应用[。（剩余12421字）