Application of copper tailings combined with persulfate for better removing methyl orange from wastewater
In this paper, wasted copper tailings (CT) were used to activate persulfate (PS) to degrade azo dye methyl orange (MO). The results show that a large amount of FeS contained in CT can slowly release Fe in the aqueous solution to activate PS to generate reactive oxygen species to degrade MO. When the...
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| Veröffentlicht in: | Water science and technology 2020-10, Vol.82 (8), p.1676-1686 |
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| creator | Wang, Jinpeng Zhang, Ming Zhou, Runjuan Li, Jiyuan Zhao, Wei Chen, Wenyuan Zeng, Jianping |
| description | In this paper, wasted copper tailings (CT) were used to activate persulfate (PS) to degrade azo dye methyl orange (MO). The results show that a large amount of FeS
contained in CT can slowly release Fe
in the aqueous solution to activate PS to generate reactive oxygen species to degrade MO. When the dosage of CT and PS was 2 g/L and 3 mM respectively, the MO degradation efficiency of 20 mg/L in the CT/PS system was 96.52% within 60 min. At the same time, it is found that CT has a certain adsorption capacity for MO, and the intra-particle diffusion model can well describe the adsorption process of MO by CT. The effects of related reaction parameters (CT dosage, PS dosage, initial MO concentration and solution pH) on MO degradation in CT/PS system were investigated. Compared with the direct addition of an equal amount of Fe
as in the CT/PS system, for homogeneous activated PS to degrade MO (Fe
/PS), the results showed that the degradation efficiency of Fe
/PS system for MO was lower than that of CT/PS system due to excessive Fe
consumption of SO
. By comparing the Fe
and Fe
concentrations in the two systems, it was found that the CT/PS system could maintain a low Fe
concentration during the reaction process, and the Fe
released by CT could be used by PS to degrade MO more efficiently. The free radical scavenging experiments showed that the reactive oxygen species in the CT/PS system was mainly SO
. This study not only proposed a new CT utilization approach, but also solved the problem of reduced degradation efficiency of organic pollutants caused by excessive Fe
in the Fenton-like reaction. |
| doi_str_mv | 10.2166/wst.2020.419 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2479475915</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2479475915</sourcerecordid><originalsourceid>FETCH-LOGICAL-c357t-21662bb1768d6aa6ba44c1896532d815024979b5a75dcdd9c55fc695208d5b9b3</originalsourceid><addsrcrecordid>eNo9kM1LwzAUwIMobk5vniXg1c58NElzHOIXDLzoOSRtunW0TU1Sy_57MzY9PR7v975-ANxitCSY88cpxCVBBC1zLM_AHEvJMykoOQdzRATNMCF0Bq5C2CGEBM3RJZhRipEoOJ6DZjUMbVPq2LgeuhqWbhish1E3bdNvQso70_S2glMTtzCVwtjWOlpYOw-NjTHB3nbuJ9Gws3G7b6Hzut8kwrsOTjpEO6UGfw0uat0Ge3OKC_D18vz59JatP17fn1brrKRMxOzwEzEGC15UXGtudJ6XuJCcUVIVmCGSSyEN04JVZVXJkrG65JIRVFTMSEMX4P44d_Due7Qhqp0bfZ9WKpILmQsmMUvUw5EqvQvB21oNvum03yuM1OEGlbyqg1eVvCb87jR0NJ2t_uE_kfQXqNN05g</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2479475915</pqid></control><display><type>article</type><title>Application of copper tailings combined with persulfate for better removing methyl orange from wastewater</title><source>MEDLINE</source><source>EZB-FREE-00999 freely available EZB journals</source><creator>Wang, Jinpeng ; Zhang, Ming ; Zhou, Runjuan ; Li, Jiyuan ; Zhao, Wei ; Chen, Wenyuan ; Zeng, Jianping</creator><creatorcontrib>Wang, Jinpeng ; Zhang, Ming ; Zhou, Runjuan ; Li, Jiyuan ; Zhao, Wei ; Chen, Wenyuan ; Zeng, Jianping</creatorcontrib><description>In this paper, wasted copper tailings (CT) were used to activate persulfate (PS) to degrade azo dye methyl orange (MO). The results show that a large amount of FeS
contained in CT can slowly release Fe
in the aqueous solution to activate PS to generate reactive oxygen species to degrade MO. When the dosage of CT and PS was 2 g/L and 3 mM respectively, the MO degradation efficiency of 20 mg/L in the CT/PS system was 96.52% within 60 min. At the same time, it is found that CT has a certain adsorption capacity for MO, and the intra-particle diffusion model can well describe the adsorption process of MO by CT. The effects of related reaction parameters (CT dosage, PS dosage, initial MO concentration and solution pH) on MO degradation in CT/PS system were investigated. Compared with the direct addition of an equal amount of Fe
as in the CT/PS system, for homogeneous activated PS to degrade MO (Fe
/PS), the results showed that the degradation efficiency of Fe
/PS system for MO was lower than that of CT/PS system due to excessive Fe
consumption of SO
. By comparing the Fe
and Fe
concentrations in the two systems, it was found that the CT/PS system could maintain a low Fe
concentration during the reaction process, and the Fe
released by CT could be used by PS to degrade MO more efficiently. The free radical scavenging experiments showed that the reactive oxygen species in the CT/PS system was mainly SO
. This study not only proposed a new CT utilization approach, but also solved the problem of reduced degradation efficiency of organic pollutants caused by excessive Fe
in the Fenton-like reaction.</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2020.419</identifier><identifier>PMID: 33107861</identifier><language>eng</language><publisher>England: IWA Publishing</publisher><subject>Adsorption ; Aqueous solutions ; Azo Compounds ; Azo dyes ; Copper ; Diffusion models ; Dosage ; Dyes ; Efficiency ; Experiments ; Fourier transforms ; Free radicals ; Iron ; Iron sulfides ; Mine tailings ; Minerals ; Oxidation ; Oxidation-Reduction ; Oxygen ; Particle diffusion ; Pollutants ; Pyrite ; Reactive oxygen species ; Scanning electron microscopy ; Scavenging ; Spectrum analysis ; Sulfates ; Waste Water ; Wastewater ; Water Pollutants, Chemical</subject><ispartof>Water science and technology, 2020-10, Vol.82 (8), p.1676-1686</ispartof><rights>Copyright IWA Publishing Oct 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-21662bb1768d6aa6ba44c1896532d815024979b5a75dcdd9c55fc695208d5b9b3</citedby><cites>FETCH-LOGICAL-c357t-21662bb1768d6aa6ba44c1896532d815024979b5a75dcdd9c55fc695208d5b9b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33107861$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Jinpeng</creatorcontrib><creatorcontrib>Zhang, Ming</creatorcontrib><creatorcontrib>Zhou, Runjuan</creatorcontrib><creatorcontrib>Li, Jiyuan</creatorcontrib><creatorcontrib>Zhao, Wei</creatorcontrib><creatorcontrib>Chen, Wenyuan</creatorcontrib><creatorcontrib>Zeng, Jianping</creatorcontrib><title>Application of copper tailings combined with persulfate for better removing methyl orange from wastewater</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>In this paper, wasted copper tailings (CT) were used to activate persulfate (PS) to degrade azo dye methyl orange (MO). The results show that a large amount of FeS
contained in CT can slowly release Fe
in the aqueous solution to activate PS to generate reactive oxygen species to degrade MO. When the dosage of CT and PS was 2 g/L and 3 mM respectively, the MO degradation efficiency of 20 mg/L in the CT/PS system was 96.52% within 60 min. At the same time, it is found that CT has a certain adsorption capacity for MO, and the intra-particle diffusion model can well describe the adsorption process of MO by CT. The effects of related reaction parameters (CT dosage, PS dosage, initial MO concentration and solution pH) on MO degradation in CT/PS system were investigated. Compared with the direct addition of an equal amount of Fe
as in the CT/PS system, for homogeneous activated PS to degrade MO (Fe
/PS), the results showed that the degradation efficiency of Fe
/PS system for MO was lower than that of CT/PS system due to excessive Fe
consumption of SO
. By comparing the Fe
and Fe
concentrations in the two systems, it was found that the CT/PS system could maintain a low Fe
concentration during the reaction process, and the Fe
released by CT could be used by PS to degrade MO more efficiently. The free radical scavenging experiments showed that the reactive oxygen species in the CT/PS system was mainly SO
. This study not only proposed a new CT utilization approach, but also solved the problem of reduced degradation efficiency of organic pollutants caused by excessive Fe
in the Fenton-like reaction.</description><subject>Adsorption</subject><subject>Aqueous solutions</subject><subject>Azo Compounds</subject><subject>Azo dyes</subject><subject>Copper</subject><subject>Diffusion models</subject><subject>Dosage</subject><subject>Dyes</subject><subject>Efficiency</subject><subject>Experiments</subject><subject>Fourier transforms</subject><subject>Free radicals</subject><subject>Iron</subject><subject>Iron sulfides</subject><subject>Mine tailings</subject><subject>Minerals</subject><subject>Oxidation</subject><subject>Oxidation-Reduction</subject><subject>Oxygen</subject><subject>Particle diffusion</subject><subject>Pollutants</subject><subject>Pyrite</subject><subject>Reactive oxygen species</subject><subject>Scanning electron microscopy</subject><subject>Scavenging</subject><subject>Spectrum analysis</subject><subject>Sulfates</subject><subject>Waste Water</subject><subject>Wastewater</subject><subject>Water Pollutants, Chemical</subject><issn>0273-1223</issn><issn>1996-9732</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNo9kM1LwzAUwIMobk5vniXg1c58NElzHOIXDLzoOSRtunW0TU1Sy_57MzY9PR7v975-ANxitCSY88cpxCVBBC1zLM_AHEvJMykoOQdzRATNMCF0Bq5C2CGEBM3RJZhRipEoOJ6DZjUMbVPq2LgeuhqWbhish1E3bdNvQso70_S2glMTtzCVwtjWOlpYOw-NjTHB3nbuJ9Gws3G7b6Hzut8kwrsOTjpEO6UGfw0uat0Ge3OKC_D18vz59JatP17fn1brrKRMxOzwEzEGC15UXGtudJ6XuJCcUVIVmCGSSyEN04JVZVXJkrG65JIRVFTMSEMX4P44d_Due7Qhqp0bfZ9WKpILmQsmMUvUw5EqvQvB21oNvum03yuM1OEGlbyqg1eVvCb87jR0NJ2t_uE_kfQXqNN05g</recordid><startdate>20201015</startdate><enddate>20201015</enddate><creator>Wang, Jinpeng</creator><creator>Zhang, Ming</creator><creator>Zhou, Runjuan</creator><creator>Li, Jiyuan</creator><creator>Zhao, Wei</creator><creator>Chen, Wenyuan</creator><creator>Zeng, Jianping</creator><general>IWA 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combined with persulfate for better removing methyl orange from wastewater</title><author>Wang, Jinpeng ; Zhang, Ming ; Zhou, Runjuan ; Li, Jiyuan ; Zhao, Wei ; Chen, Wenyuan ; Zeng, Jianping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-21662bb1768d6aa6ba44c1896532d815024979b5a75dcdd9c55fc695208d5b9b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adsorption</topic><topic>Aqueous solutions</topic><topic>Azo Compounds</topic><topic>Azo dyes</topic><topic>Copper</topic><topic>Diffusion models</topic><topic>Dosage</topic><topic>Dyes</topic><topic>Efficiency</topic><topic>Experiments</topic><topic>Fourier transforms</topic><topic>Free radicals</topic><topic>Iron</topic><topic>Iron sulfides</topic><topic>Mine tailings</topic><topic>Minerals</topic><topic>Oxidation</topic><topic>Oxidation-Reduction</topic><topic>Oxygen</topic><topic>Particle diffusion</topic><topic>Pollutants</topic><topic>Pyrite</topic><topic>Reactive oxygen species</topic><topic>Scanning electron microscopy</topic><topic>Scavenging</topic><topic>Spectrum analysis</topic><topic>Sulfates</topic><topic>Waste Water</topic><topic>Wastewater</topic><topic>Water Pollutants, Chemical</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Jinpeng</creatorcontrib><creatorcontrib>Zhang, Ming</creatorcontrib><creatorcontrib>Zhou, Runjuan</creatorcontrib><creatorcontrib>Li, Jiyuan</creatorcontrib><creatorcontrib>Zhao, Wei</creatorcontrib><creatorcontrib>Chen, Wenyuan</creatorcontrib><creatorcontrib>Zeng, Jianping</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central 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Technol</addtitle><date>2020-10-15</date><risdate>2020</risdate><volume>82</volume><issue>8</issue><spage>1676</spage><epage>1686</epage><pages>1676-1686</pages><issn>0273-1223</issn><eissn>1996-9732</eissn><abstract>In this paper, wasted copper tailings (CT) were used to activate persulfate (PS) to degrade azo dye methyl orange (MO). The results show that a large amount of FeS
contained in CT can slowly release Fe
in the aqueous solution to activate PS to generate reactive oxygen species to degrade MO. When the dosage of CT and PS was 2 g/L and 3 mM respectively, the MO degradation efficiency of 20 mg/L in the CT/PS system was 96.52% within 60 min. At the same time, it is found that CT has a certain adsorption capacity for MO, and the intra-particle diffusion model can well describe the adsorption process of MO by CT. The effects of related reaction parameters (CT dosage, PS dosage, initial MO concentration and solution pH) on MO degradation in CT/PS system were investigated. Compared with the direct addition of an equal amount of Fe
as in the CT/PS system, for homogeneous activated PS to degrade MO (Fe
/PS), the results showed that the degradation efficiency of Fe
/PS system for MO was lower than that of CT/PS system due to excessive Fe
consumption of SO
. By comparing the Fe
and Fe
concentrations in the two systems, it was found that the CT/PS system could maintain a low Fe
concentration during the reaction process, and the Fe
released by CT could be used by PS to degrade MO more efficiently. The free radical scavenging experiments showed that the reactive oxygen species in the CT/PS system was mainly SO
. This study not only proposed a new CT utilization approach, but also solved the problem of reduced degradation efficiency of organic pollutants caused by excessive Fe
in the Fenton-like reaction.</abstract><cop>England</cop><pub>IWA Publishing</pub><pmid>33107861</pmid><doi>10.2166/wst.2020.419</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Water science and technology, 2020-10, Vol.82 (8), p.1676-1686 |
| issn | 0273-1223 1996-9732 |
| language | eng |
| recordid | cdi_proquest_journals_2479475915 |
| source | MEDLINE; EZB-FREE-00999 freely available EZB journals |
| subjects | Adsorption Aqueous solutions Azo Compounds Azo dyes Copper Diffusion models Dosage Dyes Efficiency Experiments Fourier transforms Free radicals Iron Iron sulfides Mine tailings Minerals Oxidation Oxidation-Reduction Oxygen Particle diffusion Pollutants Pyrite Reactive oxygen species Scanning electron microscopy Scavenging Spectrum analysis Sulfates Waste Water Wastewater Water Pollutants, Chemical |
| title | Application of copper tailings combined with persulfate for better removing methyl orange from wastewater |
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