Electroplating wastewater treatment by in-situ formation of organic anions and inorganic anions intercalated layered double hydroxides
The electroplating wastewater containing various metal ions was treated by adding sodium dodecyl benzene sulfonate (SDBS) and regulating pH value, and the resulting precipitates were characterized by X-ray diffraction (XRD). The results showed that organic anions intercalated layered double hydroxid...
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| Veröffentlicht in: | Chemosphere (Oxford) 2023-10, Vol.338, p.139425-139425, Article 139425 |
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| creator | Ruan, Xiuxiu Zhu, Wangkai Jiang, Zili Zuo, Jianwei Frost, Ray L. Ayoko, Godwin A. Qian, Guangren |
| description | The electroplating wastewater containing various metal ions was treated by adding sodium dodecyl benzene sulfonate (SDBS) and regulating pH value, and the resulting precipitates were characterized by X-ray diffraction (XRD). The results showed that organic anions intercalated layered double hydroxides (OLDHs) and inorganic anions intercalated layered double hydroxides (ILDHs) were in-situ formed to remove heavy metals during the treatment process. In order to reveal the formation mechanism of the precipitates, SDB− intercalated Ni–Fe OLDHs, NO3− intercalated Ni–Fe ILDHs and Fe3+-DBS complexes were synthsized by co-precipitation at various pH values for comparison. These samples were characterized by XRD, Fourier Transform infrared (FTIR), element analysis as well as the aqueous residual concentrations of Ni2+ and Fe3+ were detected. The results showed that OLDHs with good crystal structures can be formed as pH≤7, while ILDHs began to form at pH = 8. When pH |
| doi_str_mv | 10.1016/j.chemosphere.2023.139425 |
| format | Article |
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[Display omitted]
•Formation processes for organic and inorganic LDHs were studied experimentally.•Visual MINTEQ software was applied to reveal LDH formation processes.•The Ksp for organic and inorganic LDHs in the precipitation process was compared.•A competitive formation mechanism for the organic and inorganic LDHs was proposed.</description><identifier>ISSN: 0045-6535</identifier><identifier>EISSN: 1879-1298</identifier><identifier>DOI: 10.1016/j.chemosphere.2023.139425</identifier><identifier>PMID: 37419155</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Anions ; Competition mechanism ; computer software ; coprecipitation ; Electroplating ; Fourier transform infrared spectroscopy ; Hydroxides - chemistry ; Layered double hydroxides ; Metals, Heavy ; Ni–Fe ILDHs ; Ni–Fe OLDHs ; sodium dodecylbenzenesulfonate ; solubility ; wastewater ; wastewater treatment ; Water - chemistry ; Water Purification ; X-ray diffraction</subject><ispartof>Chemosphere (Oxford), 2023-10, Vol.338, p.139425-139425, Article 139425</ispartof><rights>2023 Elsevier Ltd</rights><rights>Copyright © 2023 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c269t-4f18c6b2a8575d540702fc746a84bd86e08dff27f9c40ecea919c91158aec3ae3</cites><orcidid>0000-0001-8160-4209 ; 0000-0003-3036-3462</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0045653523016922$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37419155$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ruan, Xiuxiu</creatorcontrib><creatorcontrib>Zhu, Wangkai</creatorcontrib><creatorcontrib>Jiang, Zili</creatorcontrib><creatorcontrib>Zuo, Jianwei</creatorcontrib><creatorcontrib>Frost, Ray L.</creatorcontrib><creatorcontrib>Ayoko, Godwin A.</creatorcontrib><creatorcontrib>Qian, Guangren</creatorcontrib><title>Electroplating wastewater treatment by in-situ formation of organic anions and inorganic anions intercalated layered double hydroxides</title><title>Chemosphere (Oxford)</title><addtitle>Chemosphere</addtitle><description>The electroplating wastewater containing various metal ions was treated by adding sodium dodecyl benzene sulfonate (SDBS) and regulating pH value, and the resulting precipitates were characterized by X-ray diffraction (XRD). The results showed that organic anions intercalated layered double hydroxides (OLDHs) and inorganic anions intercalated layered double hydroxides (ILDHs) were in-situ formed to remove heavy metals during the treatment process. In order to reveal the formation mechanism of the precipitates, SDB− intercalated Ni–Fe OLDHs, NO3− intercalated Ni–Fe ILDHs and Fe3+-DBS complexes were synthsized by co-precipitation at various pH values for comparison. These samples were characterized by XRD, Fourier Transform infrared (FTIR), element analysis as well as the aqueous residual concentrations of Ni2+ and Fe3+ were detected. The results showed that OLDHs with good crystal structures can be formed as pH≤7, while ILDHs began to form at pH = 8. When pH < 7, complexes of Fe3+ and organic anions with the ordered layered structure were formed firstly, and then with increase in pH value, Ni2+ inserted into the solid complex and the OLDHs began to form. However, Ni–Fe ILDHs were not formed when pH ≤ 7. The Ksp (Solubility Product Constant) of OLDHs was calculated to be 3.24 × 10−19 and that of ILDHs was 2.98 × 10−18 at pH = 8, which suggested that OLDHs might be easier to form than ILDHs. The formation process of ILDHs and OLDHs were also simulated through MINTEQ software, and the simulation output verified that OLDHs could be easier to form than ILDHs at pH ≤ 7. Information from this study provides a theoretical basis for effective in-situ formation of OLDHs in wastewater treatment.
[Display omitted]
•Formation processes for organic and inorganic LDHs were studied experimentally.•Visual MINTEQ software was applied to reveal LDH formation processes.•The Ksp for organic and inorganic LDHs in the precipitation process was compared.•A competitive formation mechanism for the organic and inorganic LDHs was proposed.</description><subject>Anions</subject><subject>Competition mechanism</subject><subject>computer software</subject><subject>coprecipitation</subject><subject>Electroplating</subject><subject>Fourier transform infrared spectroscopy</subject><subject>Hydroxides - chemistry</subject><subject>Layered double hydroxides</subject><subject>Metals, Heavy</subject><subject>Ni–Fe ILDHs</subject><subject>Ni–Fe OLDHs</subject><subject>sodium dodecylbenzenesulfonate</subject><subject>solubility</subject><subject>wastewater</subject><subject>wastewater treatment</subject><subject>Water - chemistry</subject><subject>Water Purification</subject><subject>X-ray diffraction</subject><issn>0045-6535</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkcuOFCEUhonROD2jr2Bw56ZarlWwNJ3xkkziRteEglPTdKqgBcqxX2CeWyY9GuNqNpyEfP9_CB9CbynZUkL794et28OSynEPGbaMML6lXAsmn6ENVYPuKNPqOdoQImTXSy4v0GUpB0JaWOqX6IIPgmoq5QbdX8_gak7H2dYQb_GdLRXubIWMawZbF4gVjyccYldCXfGU8tLIFHGacMq3NgaH25FiacM37r_LEFuXs60ePJ7tqb3YY5_WcQa8P_mcfgUP5RV6Mdm5wOvHeYW-f7z-tvvc3Xz99GX34aZzrNe1ExNVrh-ZVXKQXgoyEDa5QfRWidGrHojy08SGSTtBwIHVVDtNqVQWHLfAr9C7c-8xpx8rlGqWUBzMs42Q1mKYElppORD-BJRLNnDFaUP1GXU5lZJhMsccFptPhhLzYMwczD_GzIMxczbWsm8e16zjAv5v8o-iBuzOALR_-Rkgm-ICRAc-5KbO-BSesOY32jKxQA</recordid><startdate>202310</startdate><enddate>202310</enddate><creator>Ruan, Xiuxiu</creator><creator>Zhu, Wangkai</creator><creator>Jiang, Zili</creator><creator>Zuo, Jianwei</creator><creator>Frost, Ray L.</creator><creator>Ayoko, Godwin A.</creator><creator>Qian, Guangren</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><orcidid>https://orcid.org/0000-0001-8160-4209</orcidid><orcidid>https://orcid.org/0000-0003-3036-3462</orcidid></search><sort><creationdate>202310</creationdate><title>Electroplating wastewater treatment by in-situ formation of organic anions and inorganic anions intercalated layered double hydroxides</title><author>Ruan, Xiuxiu ; Zhu, Wangkai ; Jiang, Zili ; Zuo, Jianwei ; Frost, Ray L. ; Ayoko, Godwin A. ; Qian, Guangren</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c269t-4f18c6b2a8575d540702fc746a84bd86e08dff27f9c40ecea919c91158aec3ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Anions</topic><topic>Competition mechanism</topic><topic>computer software</topic><topic>coprecipitation</topic><topic>Electroplating</topic><topic>Fourier transform infrared spectroscopy</topic><topic>Hydroxides - chemistry</topic><topic>Layered double hydroxides</topic><topic>Metals, Heavy</topic><topic>Ni–Fe ILDHs</topic><topic>Ni–Fe OLDHs</topic><topic>sodium dodecylbenzenesulfonate</topic><topic>solubility</topic><topic>wastewater</topic><topic>wastewater treatment</topic><topic>Water - chemistry</topic><topic>Water Purification</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ruan, Xiuxiu</creatorcontrib><creatorcontrib>Zhu, Wangkai</creatorcontrib><creatorcontrib>Jiang, Zili</creatorcontrib><creatorcontrib>Zuo, Jianwei</creatorcontrib><creatorcontrib>Frost, Ray L.</creatorcontrib><creatorcontrib>Ayoko, Godwin A.</creatorcontrib><creatorcontrib>Qian, Guangren</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ruan, Xiuxiu</au><au>Zhu, Wangkai</au><au>Jiang, Zili</au><au>Zuo, Jianwei</au><au>Frost, Ray L.</au><au>Ayoko, Godwin A.</au><au>Qian, Guangren</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electroplating wastewater treatment by in-situ formation of organic anions and inorganic anions intercalated layered double hydroxides</atitle><jtitle>Chemosphere (Oxford)</jtitle><addtitle>Chemosphere</addtitle><date>2023-10</date><risdate>2023</risdate><volume>338</volume><spage>139425</spage><epage>139425</epage><pages>139425-139425</pages><artnum>139425</artnum><issn>0045-6535</issn><eissn>1879-1298</eissn><abstract>The electroplating wastewater containing various metal ions was treated by adding sodium dodecyl benzene sulfonate (SDBS) and regulating pH value, and the resulting precipitates were characterized by X-ray diffraction (XRD). The results showed that organic anions intercalated layered double hydroxides (OLDHs) and inorganic anions intercalated layered double hydroxides (ILDHs) were in-situ formed to remove heavy metals during the treatment process. In order to reveal the formation mechanism of the precipitates, SDB− intercalated Ni–Fe OLDHs, NO3− intercalated Ni–Fe ILDHs and Fe3+-DBS complexes were synthsized by co-precipitation at various pH values for comparison. These samples were characterized by XRD, Fourier Transform infrared (FTIR), element analysis as well as the aqueous residual concentrations of Ni2+ and Fe3+ were detected. The results showed that OLDHs with good crystal structures can be formed as pH≤7, while ILDHs began to form at pH = 8. When pH < 7, complexes of Fe3+ and organic anions with the ordered layered structure were formed firstly, and then with increase in pH value, Ni2+ inserted into the solid complex and the OLDHs began to form. However, Ni–Fe ILDHs were not formed when pH ≤ 7. The Ksp (Solubility Product Constant) of OLDHs was calculated to be 3.24 × 10−19 and that of ILDHs was 2.98 × 10−18 at pH = 8, which suggested that OLDHs might be easier to form than ILDHs. The formation process of ILDHs and OLDHs were also simulated through MINTEQ software, and the simulation output verified that OLDHs could be easier to form than ILDHs at pH ≤ 7. Information from this study provides a theoretical basis for effective in-situ formation of OLDHs in wastewater treatment.
[Display omitted]
•Formation processes for organic and inorganic LDHs were studied experimentally.•Visual MINTEQ software was applied to reveal LDH formation processes.•The Ksp for organic and inorganic LDHs in the precipitation process was compared.•A competitive formation mechanism for the organic and inorganic LDHs was proposed.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>37419155</pmid><doi>10.1016/j.chemosphere.2023.139425</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-8160-4209</orcidid><orcidid>https://orcid.org/0000-0003-3036-3462</orcidid></addata></record> |
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| ispartof | Chemosphere (Oxford), 2023-10, Vol.338, p.139425-139425, Article 139425 |
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| subjects | Anions Competition mechanism computer software coprecipitation Electroplating Fourier transform infrared spectroscopy Hydroxides - chemistry Layered double hydroxides Metals, Heavy Ni–Fe ILDHs Ni–Fe OLDHs sodium dodecylbenzenesulfonate solubility wastewater wastewater treatment Water - chemistry Water Purification X-ray diffraction |
| title | Electroplating wastewater treatment by in-situ formation of organic anions and inorganic anions intercalated layered double hydroxides |
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